id
string
dataset
string
full_name
string
version
string
language
string
programming_language
string
task_type
string
difficulty
string
title
string
domain
string
instruction
string
code_context
string
intent
string
constraints
list
reference_solution
string
explanation
string
test_cases
list
quality_signals
dict
evaluation
dict
curation
dict
tags
list
J6-CFI-HQ-20K-00101
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
debugging
hard
Debugging — Fastapi Validation Route (python)
content_management
Debug the python FastAPI validation route in a content management module. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 72118fae76.
# case: 72118fae76 def normalize_72118fae76(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality debugging response for a python FastAPI validation route while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 72118fae76, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a python FastAPI validation route, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_72118fae76", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_72118fae76", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "72118fae76" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python FastAPI validation route.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "python", "content_management", "hard" ]
J6-CFI-HQ-20K-00102
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
ruby
code_generation
hard
Code Generation — Validation Helper (ruby)
cli_tools
Implement a ruby validation helper inside a production-facing developer tool. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: db6b057027.
# case: db6b057027 def normalize_db6b057027(items, strict: false) items.each_with_object([]) do |raw, result| if raw.nil? raise ArgumentError, "nil values are not allowed" if strict next end value = raw.to_s.strip.downcase result << value unless value.empty? end end
Produce a high-quality code generation response for a ruby validation helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case db6b057027, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a ruby validation helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_db6b057027", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_db6b057027", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "db6b057027" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete ruby validation helper.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "ruby", "cli_tools", "hard" ]
J6-CFI-HQ-20K-00103
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_explanation
easy
Code Explanation — Json Migration Script (python)
backend_api
Explain the python JSON migration script while preserving an existing workflow. Describe the data flow, one realistic failure mode, and what should be tested next. Case: fb26f98a59.
# case: fb26f98a59 def normalize_fb26f98a59(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code explanation response for a python JSON migration script while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case fb26f98a59, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a python JSON migration script, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_fb26f98a59", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_fb26f98a59", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "fb26f98a59" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python JSON migration script.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "python", "backend_api", "easy" ]
J6-CFI-HQ-20K-00104
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
code_explanation
medium
Code Explanation — Feature Flag Client (typescript)
content_management
Explain the typescript feature flag client for a realistic service boundary. Describe the data flow, one realistic failure mode, and what should be tested next. Case: 9fd8cc64f1.
// case: 9fd8cc64f1 type NormalizeOptions_9fd8cc64f1 = { strict?: boolean }; export function normalize_9fd8cc64f1(items: unknown[], options: NormalizeOptions_9fd8cc64f1 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality code explanation response for a typescript feature flag client while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case 9fd8cc64f1, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a typescript feature flag client, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_9fd8cc64f1", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_9fd8cc64f1", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "9fd8cc64f1" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript feature flag client.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "typescript", "content_management", "medium" ]
J6-CFI-HQ-20K-00105
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
debugging
hard
Debugging — Modal Controller (javascript)
content_management
Debug the javascript modal controller without changing unrelated behavior. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 2110b5edcd.
// case: 2110b5edcd export function normalize_2110b5edcd(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality debugging response for a javascript modal controller while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 2110b5edcd, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a javascript modal controller, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_2110b5edcd", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_2110b5edcd", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "2110b5edcd" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript modal controller.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "javascript", "content_management", "hard" ]
J6-CFI-HQ-20K-00106
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
refactoring
hard
Refactoring — Infinite Scroll Loader (javascript)
authentication
Refactor the javascript infinite scroll loader in a authentication module. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 83c60c80e8.
// case: 83c60c80e8 export function normalize_83c60c80e8(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality refactoring response for a javascript infinite scroll loader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 83c60c80e8, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a javascript infinite scroll loader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_83c60c80e8", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_83c60c80e8", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "83c60c80e8" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript infinite scroll loader.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "javascript", "authentication", "hard" ]
J6-CFI-HQ-20K-00107
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
go
debugging
hard
Debugging — Cli Command (go)
developer_tools
Debug the go CLI command inside a production-facing developer tool. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 34494662ac.
// case: 34494662ac func Normalize_34494662ac(items []string, strict bool) ([]string, error) { result := make([]string, 0, len(items)) for _, raw := range items { value := strings.TrimSpace(raw) if value == "" { if strict { return nil, fmt.Errorf("empty values are not allowed") } ...
Produce a high-quality debugging response for a go CLI command while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 34494662ac, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a go CLI command, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_34494662ac", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_34494662ac", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "34494662ac" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete go CLI command.", "Instruction contains explicit behavioral constraints.", "Refere...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "go", "developer_tools", "hard" ]
J6-CFI-HQ-20K-00108
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
bash
algorithmic_reasoning
expert
Algorithmic Reasoning — Artifact Packaging Script (bash)
cli_tools
Solve the bash artifact packaging script problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 5666ed88ce.
#!/usr/bin/env bash # case: 5666ed88ce set -euo pipefail input_dir="${1:-./logs}" grep -R "ERROR" "$input_dir" | awk '{print $1}' | sort | uniq -c
Produce a high-quality algorithmic reasoning response for a bash artifact packaging script while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 5666ed88ce, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a bash artifact packaging script, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_5666ed88ce", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_5666ed88ce", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "5666ed88ce" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete bash artifact packaging script.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "bash", "cli_tools", "expert" ]
J6-CFI-HQ-20K-00109
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_explanation
easy
Code Explanation — Dictionary Normalizer (python)
security
Explain the python dictionary normalizer for a realistic service boundary. Describe the data flow, one realistic failure mode, and what should be tested next. Case: 98115256fe.
# case: 98115256fe def normalize_98115256fe(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code explanation response for a python dictionary normalizer while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case 98115256fe, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a python dictionary normalizer, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_98115256fe", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_98115256fe", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "98115256fe" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python dictionary normalizer.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "python", "security", "easy" ]
J6-CFI-HQ-20K-00110
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
algorithmic_reasoning
hard
Algorithmic Reasoning — Transaction Handler (java)
authentication
Solve the java transaction handler problem without changing unrelated behavior. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 590442b2dc.
// case: 590442b2dc public List<String> normalize_590442b2dc(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality algorithmic reasoning response for a java transaction handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 590442b2dc, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a java transaction handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_590442b2dc", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_590442b2dc", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "590442b2dc" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java transaction handler.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "java", "authentication", "hard" ]
J6-CFI-HQ-20K-00111
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
api_backend
expert
Api Backend — Fastapi Validation Route (python)
web_frontend
Design a safe backend/API change for the python FastAPI validation route in a web frontend module. Include validation, structured errors, and response-contract notes. Case: c577b9d6e6.
# case: c577b9d6e6 def normalize_c577b9d6e6(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality api backend response for a python FastAPI validation route while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Validate input before side effects", "Return structured error responses", "Avoid leaking internal exception details", "Keep response contracts stable" ]
For case c577b9d6e6, Validate the request before side effects, return stable structured errors, avoid leaking internals, and document backward-compatible response behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle api backend for a python FastAPI validation route, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_c577b9d6e6", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_c577b9d6e6", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "high", "quality_tier": "hq_synthetic", "unique_case_id": "c577b9d6e6" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_validation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python FastAPI validation route.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "api_backend", "python", "web_frontend", "expert" ]
J6-CFI-HQ-20K-00112
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
test_generation
easy
Test Generation — Typed Event Bus (typescript)
data_processing
Generate tests for the typescript typed event bus inside a production-facing developer tool. Cover success, boundary, failure, and regression cases with clear assertions. Case: 170405602d.
// case: 170405602d type NormalizeOptions_170405602d = { strict?: boolean }; export function normalize_170405602d(items: unknown[], options: NormalizeOptions_170405602d = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality test generation response for a typescript typed event bus while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 170405602d, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a typescript typed event bus, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_170405602d", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_170405602d", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "170405602d" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript typed event bus.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "typescript", "data_processing", "easy" ]
J6-CFI-HQ-20K-00113
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
api_backend
hard
Api Backend — Form Validation Module (javascript)
database
Design a safe backend/API change for the javascript form validation module while preserving an existing workflow. Include validation, structured errors, and response-contract notes. Case: d100253793.
// case: d100253793 export function normalize_d100253793(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality api backend response for a javascript form validation module while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Validate input before side effects", "Return structured error responses", "Avoid leaking internal exception details", "Keep response contracts stable" ]
For case d100253793, Validate the request before side effects, return stable structured errors, avoid leaking internals, and document backward-compatible response behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle api backend for a javascript form validation module, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_d100253793", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_d100253793", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "high", "quality_tier": "hq_synthetic", "unique_case_id": "d100253793" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_validation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript form validation module.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "api_backend", "javascript", "database", "hard" ]
J6-CFI-HQ-20K-00114
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
debugging
hard
Debugging — Dom Delegation Helper (javascript)
security
Debug the javascript DOM delegation helper for a realistic service boundary. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: b70c963f5c.
// case: b70c963f5c export function normalize_b70c963f5c(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality debugging response for a javascript DOM delegation helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case b70c963f5c, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a javascript DOM delegation helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b70c963f5c", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b70c963f5c", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "b70c963f5c" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript DOM delegation helper.", "Instruction contains explicit behavioral constrai...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "javascript", "security", "hard" ]
J6-CFI-HQ-20K-00115
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
php
code_review
medium
Code Review — Sitemap Generator (php)
admin_panels
Review the php sitemap generator without changing unrelated behavior. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: fd6e4a8727.
<?php // case: fd6e4a8727 function normalize_fd6e4a8727(array $items, bool $strict = false): array { $result = []; foreach ($items as $raw) { if ($raw === null) { if ($strict) { throw new InvalidArgumentException('Null values are not allowed'); } conti...
Produce a high-quality code review response for a php sitemap generator while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case fd6e4a8727, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a php sitemap generator, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_fd6e4a8727", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_fd6e4a8727", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "fd6e4a8727" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete php sitemap generator.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "php", "admin_panels", "medium" ]
J6-CFI-HQ-20K-00116
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
rust
debugging
hard
Debugging — Trait Adapter (rust)
data_processing
Debug the rust trait adapter in a data processing module. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: db831b4684.
// case: db831b4684 fn normalize_db831b4684(items: Vec<Option<String>>, strict: bool) -> Result<Vec<String>, String> { let mut result = Vec::new(); for raw in items { match raw { Some(value) => { let cleaned = value.trim().to_lowercase(); if !cleaned.is_empty(...
Produce a high-quality debugging response for a rust trait adapter while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case db831b4684, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a rust trait adapter, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_db831b4684", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_db831b4684", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "db831b4684" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete rust trait adapter.", "Instruction contains explicit behavioral constraints.", "Re...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "rust", "data_processing", "hard" ]
J6-CFI-HQ-20K-00117
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
sql_data_tasks
medium
Sql Data Tasks — Json Migration Script (python)
backend_api
Improve the SQL JSON migration script inside a production-facing developer tool. Preserve result semantics, handle NULL values, and discuss index or scan implications. Case: 2809cfd7ad.
# case: 2809cfd7ad def normalize_2809cfd7ad(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality sql data tasks response for a python JSON migration script while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Preserve result semantics", "Handle NULL values deliberately", "Use explicit joins or filters", "Discuss index or scan implications" ]
For case 2809cfd7ad, Make joins and filters explicit, define NULL handling, preserve aggregation semantics, and describe the index or query shape that reduces scanning.
This high-quality synthetic sample evaluates whether a coding assistant can handle sql data tasks for a python JSON migration script, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_2809cfd7ad", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_2809cfd7ad", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "2809cfd7ad" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_join", "missin...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python JSON migration script.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "sql_data_tasks", "python", "backend_api", "medium" ]
J6-CFI-HQ-20K-00118
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
rust
algorithmic_reasoning
medium
Algorithmic Reasoning — File Reader (rust)
admin_panels
Solve the rust file reader problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: b33d4ad010.
// case: b33d4ad010 fn normalize_b33d4ad010(items: Vec<Option<String>>, strict: bool) -> Result<Vec<String>, String> { let mut result = Vec::new(); for raw in items { match raw { Some(value) => { let cleaned = value.trim().to_lowercase(); if !cleaned.is_empty(...
Produce a high-quality algorithmic reasoning response for a rust file reader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case b33d4ad010, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a rust file reader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b33d4ad010", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b33d4ad010", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "b33d4ad010" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete rust file reader.", "Instruction contains explicit behavioral constraints.", "Refe...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "rust", "admin_panels", "medium" ]
J6-CFI-HQ-20K-00119
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
debugging
hard
Debugging — Stream Helper (java)
testing
Debug the java stream helper for a realistic service boundary. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 12e301d786.
// case: 12e301d786 public List<String> normalize_12e301d786(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality debugging response for a java stream helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 12e301d786, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a java stream helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_12e301d786", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_12e301d786", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "12e301d786" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java stream helper.", "Instruction contains explicit behavioral constraints.", "Re...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "java", "testing", "hard" ]
J6-CFI-HQ-20K-00120
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
php
code_generation
hard
Code Generation — Upload Validator (php)
web_frontend
Implement a php upload validator without changing unrelated behavior. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 7d62c103bb.
<?php // case: 7d62c103bb function normalize_7d62c103bb(array $items, bool $strict = false): array { $result = []; foreach ($items as $raw) { if ($raw === null) { if ($strict) { throw new InvalidArgumentException('Null values are not allowed'); } conti...
Produce a high-quality code generation response for a php upload validator while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 7d62c103bb, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a php upload validator, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_7d62c103bb", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_7d62c103bb", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "7d62c103bb" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete php upload validator.", "Instruction contains explicit behavioral constraints.", "...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "php", "web_frontend", "hard" ]
J6-CFI-HQ-20K-00121
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_generation
easy
Code Generation — Async Retry Wrapper (python)
file_processing
Implement a python async retry wrapper in a file processing module. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: bdf46e2c02.
# case: bdf46e2c02 def normalize_bdf46e2c02(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code generation response for a python async retry wrapper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case bdf46e2c02, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a python async retry wrapper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_bdf46e2c02", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_bdf46e2c02", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "bdf46e2c02" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python async retry wrapper.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "python", "file_processing", "easy" ]
J6-CFI-HQ-20K-00122
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
sql_data_tasks
hard
Sql Data Tasks — Form Validation Module (javascript)
testing
Improve the SQL form validation module inside a production-facing developer tool. Preserve result semantics, handle NULL values, and discuss index or scan implications. Case: f71ab5fc7f.
// case: f71ab5fc7f export function normalize_f71ab5fc7f(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality sql data tasks response for a javascript form validation module while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Preserve result semantics", "Handle NULL values deliberately", "Use explicit joins or filters", "Discuss index or scan implications" ]
For case f71ab5fc7f, Make joins and filters explicit, define NULL handling, preserve aggregation semantics, and describe the index or query shape that reduces scanning.
This high-quality synthetic sample evaluates whether a coding assistant can handle sql data tasks for a javascript form validation module, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_f71ab5fc7f", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_f71ab5fc7f", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "f71ab5fc7f" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_join", "missin...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript form validation module.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "sql_data_tasks", "javascript", "testing", "hard" ]
J6-CFI-HQ-20K-00123
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
refactoring
medium
Refactoring — React Form Component (typescript)
content_management
Refactor the typescript React form component while preserving an existing workflow. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 4200044952.
// case: 4200044952 type NormalizeOptions_4200044952 = { strict?: boolean }; export function normalize_4200044952(items: unknown[], options: NormalizeOptions_4200044952 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality refactoring response for a typescript React form component while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 4200044952, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a typescript React form component, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_4200044952", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_4200044952", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "4200044952" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript React form component.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "typescript", "content_management", "medium" ]
J6-CFI-HQ-20K-00124
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
algorithmic_reasoning
medium
Algorithmic Reasoning — Debounced Search Input (javascript)
admin_panels
Solve the javascript debounced search input problem for a realistic service boundary. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 499feb10e6.
// case: 499feb10e6 export function normalize_499feb10e6(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality algorithmic reasoning response for a javascript debounced search input while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 499feb10e6, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a javascript debounced search input, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_499feb10e6", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_499feb10e6", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "499feb10e6" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript debounced search input.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "javascript", "admin_panels", "medium" ]
J6-CFI-HQ-20K-00125
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_explanation
easy
Code Explanation — Pagination Builder (python)
security
Explain the python pagination builder without changing unrelated behavior. Describe the data flow, one realistic failure mode, and what should be tested next. Case: 92e232dde2.
# case: 92e232dde2 def normalize_92e232dde2(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code explanation response for a python pagination builder while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case 92e232dde2, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a python pagination builder, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_92e232dde2", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_92e232dde2", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "92e232dde2" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python pagination builder.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "python", "security", "easy" ]
J6-CFI-HQ-20K-00126
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
refactoring
hard
Refactoring — Dictionary Normalizer (python)
admin_panels
Refactor the python dictionary normalizer in a admin panels module. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 7de06ba8a9.
# case: 7de06ba8a9 def normalize_7de06ba8a9(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality refactoring response for a python dictionary normalizer while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 7de06ba8a9, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a python dictionary normalizer, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_7de06ba8a9", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_7de06ba8a9", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "7de06ba8a9" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python dictionary normalizer.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "python", "admin_panels", "hard" ]
J6-CFI-HQ-20K-00127
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
code_generation
easy
Code Generation — Range Query Helper (cpp)
authentication
Implement a cpp range query helper inside a production-facing developer tool. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 4ac3e6ba9d.
// case: 4ac3e6ba9d vector<string> normalize_4ac3e6ba9d(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality code generation response for a cpp range query helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 4ac3e6ba9d, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a cpp range query helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_4ac3e6ba9d", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_4ac3e6ba9d", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "4ac3e6ba9d" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp range query helper.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "cpp", "authentication", "easy" ]
J6-CFI-HQ-20K-00128
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
code_generation
medium
Code Generation — Service Worker Cache Helper (javascript)
data_processing
Implement a javascript service worker cache helper while preserving an existing workflow. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: b146e2721f.
// case: b146e2721f export function normalize_b146e2721f(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality code generation response for a javascript service worker cache helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case b146e2721f, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a javascript service worker cache helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b146e2721f", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b146e2721f", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "b146e2721f" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript service worker cache helper.", "Instruction contains explicit behavioral co...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "javascript", "data_processing", "medium" ]
J6-CFI-HQ-20K-00129
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
code_review
expert
Code Review — Priority Queue Handler (cpp)
automation
Review the cpp priority queue handler for a realistic service boundary. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 3f7713c1e4.
// case: 3f7713c1e4 vector<string> normalize_3f7713c1e4(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality code review response for a cpp priority queue handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 3f7713c1e4, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a cpp priority queue handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_3f7713c1e4", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_3f7713c1e4", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "3f7713c1e4" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp priority queue handler.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "cpp", "automation", "expert" ]
J6-CFI-HQ-20K-00130
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
refactoring
hard
Refactoring — Pagination Builder (python)
observability
Refactor the python pagination builder without changing unrelated behavior. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 3705ffc83e.
# case: 3705ffc83e def normalize_3705ffc83e(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality refactoring response for a python pagination builder while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 3705ffc83e, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a python pagination builder, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_3705ffc83e", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_3705ffc83e", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "3705ffc83e" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python pagination builder.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "python", "observability", "hard" ]
J6-CFI-HQ-20K-00131
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
debugging
hard
Debugging — Priority Queue Handler (cpp)
security
Debug the cpp priority queue handler in a security module. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: e8b767c10c.
// case: e8b767c10c vector<string> normalize_e8b767c10c(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality debugging response for a cpp priority queue handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case e8b767c10c, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a cpp priority queue handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_e8b767c10c", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_e8b767c10c", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "e8b767c10c" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp priority queue handler.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "cpp", "security", "hard" ]
J6-CFI-HQ-20K-00132
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
refactoring
hard
Refactoring — Service Worker Cache Helper (javascript)
security
Refactor the javascript service worker cache helper inside a production-facing developer tool. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: c2ee152f7a.
// case: c2ee152f7a export function normalize_c2ee152f7a(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality refactoring response for a javascript service worker cache helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case c2ee152f7a, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a javascript service worker cache helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_c2ee152f7a", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_c2ee152f7a", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "c2ee152f7a" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript service worker cache helper.", "Instruction contains explicit behavioral co...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "javascript", "security", "hard" ]
J6-CFI-HQ-20K-00133
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
algorithmic_reasoning
medium
Algorithmic Reasoning — Sdk Wrapper (typescript)
content_management
Solve the typescript SDK wrapper problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 88871755b7.
// case: 88871755b7 type NormalizeOptions_88871755b7 = { strict?: boolean }; export function normalize_88871755b7(items: unknown[], options: NormalizeOptions_88871755b7 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality algorithmic reasoning response for a typescript SDK wrapper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 88871755b7, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a typescript SDK wrapper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_88871755b7", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_88871755b7", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "88871755b7" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript SDK wrapper.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "typescript", "content_management", "medium" ]
J6-CFI-HQ-20K-00134
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
bash
code_explanation
medium
Code Explanation — File Cleanup Routine (bash)
testing
Explain the bash file cleanup routine for a realistic service boundary. Describe the data flow, one realistic failure mode, and what should be tested next. Case: f464e7630e.
#!/usr/bin/env bash # case: f464e7630e set -euo pipefail input_dir="${1:-./logs}" grep -R "ERROR" "$input_dir" | awk '{print $1}' | sort | uniq -c
Produce a high-quality code explanation response for a bash file cleanup routine while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case f464e7630e, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a bash file cleanup routine, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_f464e7630e", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_f464e7630e", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "f464e7630e" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete bash file cleanup routine.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "bash", "testing", "medium" ]
J6-CFI-HQ-20K-00135
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
html_css
test_generation
hard
Test Generation — Pricing Table (html_css)
developer_tools
Generate tests for the html_css pricing table without changing unrelated behavior. Cover success, boundary, failure, and regression cases with clear assertions. Case: 5272506093.
/* case: 5272506093 */ .component-5272506093 { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1rem; } .component-5272506093 .card { min-width: 0; padding: 1rem; }
Produce a high-quality test generation response for a html_css pricing table while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 5272506093, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a html_css pricing table, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_5272506093", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_5272506093", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "5272506093" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete html_css pricing table.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "html_css", "developer_tools", "hard" ]
J6-CFI-HQ-20K-00136
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
algorithmic_reasoning
medium
Algorithmic Reasoning — Debounced Search Input (javascript)
backend_api
Solve the javascript debounced search input problem in a backend api module. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: a70f1ec7a0.
// case: a70f1ec7a0 export function normalize_a70f1ec7a0(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality algorithmic reasoning response for a javascript debounced search input while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case a70f1ec7a0, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a javascript debounced search input, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a70f1ec7a0", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a70f1ec7a0", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "a70f1ec7a0" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript debounced search input.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "javascript", "backend_api", "medium" ]
J6-CFI-HQ-20K-00137
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_review
hard
Code Review — Async Retry Wrapper (python)
performance
Review the python async retry wrapper inside a production-facing developer tool. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 8077d4f637.
# case: 8077d4f637 def normalize_8077d4f637(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code review response for a python async retry wrapper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 8077d4f637, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a python async retry wrapper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_8077d4f637", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_8077d4f637", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "8077d4f637" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python async retry wrapper.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "python", "performance", "hard" ]
J6-CFI-HQ-20K-00138
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
csharp
debugging
hard
Debugging — Controller Action (csharp)
automation
Debug the csharp controller action while preserving an existing workflow. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 7818532565.
// case: 7818532565 public IEnumerable<string> Normalize_7818532565(IEnumerable<object?> items, bool strict = false) { foreach (var raw in items) { if (raw is null) { if (strict) throw new ArgumentException("Null values are not allowed"); continue; } var v...
Produce a high-quality debugging response for a csharp controller action while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 7818532565, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a csharp controller action, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_7818532565", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_7818532565", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "7818532565" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete csharp controller action.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "csharp", "automation", "hard" ]
J6-CFI-HQ-20K-00139
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
debugging
medium
Debugging — Rest Validation Controller (java)
web_frontend
Debug the java REST validation controller for a realistic service boundary. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 28f834203b.
// case: 28f834203b public List<String> normalize_28f834203b(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality debugging response for a java REST validation controller while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 28f834203b, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a java REST validation controller, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_28f834203b", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_28f834203b", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "28f834203b" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java REST validation controller.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "java", "web_frontend", "medium" ]
J6-CFI-HQ-20K-00140
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
debugging
hard
Debugging — Async State Reducer (typescript)
backend_api
Debug the typescript async state reducer without changing unrelated behavior. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: e8e63b56cc.
// case: e8e63b56cc type NormalizeOptions_e8e63b56cc = { strict?: boolean }; export function normalize_e8e63b56cc(items: unknown[], options: NormalizeOptions_e8e63b56cc = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality debugging response for a typescript async state reducer while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case e8e63b56cc, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a typescript async state reducer, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_e8e63b56cc", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_e8e63b56cc", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "e8e63b56cc" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript async state reducer.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "typescript", "backend_api", "hard" ]
J6-CFI-HQ-20K-00141
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
sql
test_generation
hard
Test Generation — Transaction Anomaly Check (sql)
cli_tools
Generate tests for the sql transaction anomaly check in a cli tools module. Cover success, boundary, failure, and regression cases with clear assertions. Case: 401c6a301d.
-- case: 401c6a301d SELECT account_id, COUNT(*) AS total_events, MAX(created_at) AS last_event_at FROM events_401c6a WHERE created_at >= CURRENT_DATE - INTERVAL '30 days' AND account_id IS NOT NULL GROUP BY account_id ORDER BY total_events DESC;
Produce a high-quality test generation response for a sql transaction anomaly check while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 401c6a301d, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a sql transaction anomaly check, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_401c6a301d", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_401c6a301d", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "401c6a301d" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete sql transaction anomaly check.", "Instruction contains explicit behavioral constraints...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "sql", "cli_tools", "hard" ]
J6-CFI-HQ-20K-00142
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
test_generation
easy
Test Generation — Cache Invalidation Helper (python)
backend_api
Generate tests for the python cache invalidation helper inside a production-facing developer tool. Cover success, boundary, failure, and regression cases with clear assertions. Case: a3df679f62.
# case: a3df679f62 def normalize_a3df679f62(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality test generation response for a python cache invalidation helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case a3df679f62, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a python cache invalidation helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a3df679f62", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a3df679f62", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "a3df679f62" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python cache invalidation helper.", "Instruction contains explicit behavioral constrai...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "python", "backend_api", "easy" ]
J6-CFI-HQ-20K-00143
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_review
hard
Code Review — Logging Middleware (python)
web_frontend
Review the python logging middleware while preserving an existing workflow. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 84211f2e7c.
# case: 84211f2e7c def normalize_84211f2e7c(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code review response for a python logging middleware while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 84211f2e7c, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a python logging middleware, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_84211f2e7c", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_84211f2e7c", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "84211f2e7c" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python logging middleware.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "python", "web_frontend", "hard" ]
J6-CFI-HQ-20K-00144
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
rust
code_generation
hard
Code Generation — Cli Config Loader (rust)
admin_panels
Implement a rust CLI config loader for a realistic service boundary. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 9060558734.
// case: 9060558734 fn normalize_9060558734(items: Vec<Option<String>>, strict: bool) -> Result<Vec<String>, String> { let mut result = Vec::new(); for raw in items { match raw { Some(value) => { let cleaned = value.trim().to_lowercase(); if !cleaned.is_empty(...
Produce a high-quality code generation response for a rust CLI config loader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 9060558734, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a rust CLI config loader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_9060558734", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_9060558734", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "9060558734" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete rust CLI config loader.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "rust", "admin_panels", "hard" ]
J6-CFI-HQ-20K-00145
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
algorithmic_reasoning
medium
Algorithmic Reasoning — Logging Middleware (python)
content_management
Solve the python logging middleware problem without changing unrelated behavior. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: a4c98b06bf.
# case: a4c98b06bf def normalize_a4c98b06bf(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality algorithmic reasoning response for a python logging middleware while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case a4c98b06bf, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a python logging middleware, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a4c98b06bf", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a4c98b06bf", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "a4c98b06bf" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python logging middleware.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "python", "content_management", "medium" ]
J6-CFI-HQ-20K-00146
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
refactoring
hard
Refactoring — Cache Invalidation Helper (python)
observability
Refactor the python cache invalidation helper in a observability module. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: ead398b3ff.
# case: ead398b3ff def normalize_ead398b3ff(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality refactoring response for a python cache invalidation helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case ead398b3ff, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a python cache invalidation helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_ead398b3ff", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_ead398b3ff", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "ead398b3ff" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python cache invalidation helper.", "Instruction contains explicit behavioral constrai...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "python", "observability", "hard" ]
J6-CFI-HQ-20K-00147
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
code_review
expert
Code Review — Fetch Retry Wrapper (javascript)
web_frontend
Review the javascript fetch retry wrapper inside a production-facing developer tool. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 34a7369bca.
// case: 34a7369bca export function normalize_34a7369bca(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality code review response for a javascript fetch retry wrapper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 34a7369bca, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a javascript fetch retry wrapper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_34a7369bca", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_34a7369bca", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "34a7369bca" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript fetch retry wrapper.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "javascript", "web_frontend", "expert" ]
J6-CFI-HQ-20K-00148
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
csharp
code_explanation
medium
Code Explanation — Exception Middleware (csharp)
content_management
Explain the csharp exception middleware while preserving an existing workflow. Describe the data flow, one realistic failure mode, and what should be tested next. Case: a43b808d4d.
// case: a43b808d4d public IEnumerable<string> Normalize_a43b808d4d(IEnumerable<object?> items, bool strict = false) { foreach (var raw in items) { if (raw is null) { if (strict) throw new ArgumentException("Null values are not allowed"); continue; } var v...
Produce a high-quality code explanation response for a csharp exception middleware while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case a43b808d4d, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a csharp exception middleware, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a43b808d4d", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a43b808d4d", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "a43b808d4d" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete csharp exception middleware.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "csharp", "content_management", "medium" ]
J6-CFI-HQ-20K-00149
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
code_review
hard
Code Review — Form Validation Module (javascript)
developer_tools
Review the javascript form validation module for a realistic service boundary. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: d9131c7136.
// case: d9131c7136 export function normalize_d9131c7136(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality code review response for a javascript form validation module while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case d9131c7136, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a javascript form validation module, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_d9131c7136", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_d9131c7136", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "d9131c7136" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript form validation module.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "javascript", "developer_tools", "hard" ]
J6-CFI-HQ-20K-00150
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
code_generation
hard
Code Generation — Cache Service (java)
cli_tools
Implement a java cache service without changing unrelated behavior. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 822b37e750.
// case: 822b37e750 public List<String> normalize_822b37e750(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality code generation response for a java cache service while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 822b37e750, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a java cache service, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_822b37e750", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_822b37e750", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "822b37e750" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java cache service.", "Instruction contains explicit behavioral constraints.", "Re...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "java", "cli_tools", "hard" ]
J6-CFI-HQ-20K-00151
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
debugging
medium
Debugging — Form Validation Module (javascript)
file_processing
Debug the javascript form validation module in a file processing module. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: e88d142080.
// case: e88d142080 export function normalize_e88d142080(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality debugging response for a javascript form validation module while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case e88d142080, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a javascript form validation module, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_e88d142080", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_e88d142080", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "e88d142080" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript form validation module.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "javascript", "file_processing", "medium" ]
J6-CFI-HQ-20K-00152
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
bash
code_explanation
medium
Code Explanation — Container Inspection Command (bash)
database
Explain the bash container inspection command inside a production-facing developer tool. Describe the data flow, one realistic failure mode, and what should be tested next. Case: edde4d77cb.
#!/usr/bin/env bash # case: edde4d77cb set -euo pipefail input_dir="${1:-./logs}" grep -R "ERROR" "$input_dir" | awk '{print $1}' | sort | uniq -c
Produce a high-quality code explanation response for a bash container inspection command while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case edde4d77cb, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a bash container inspection command, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_edde4d77cb", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_edde4d77cb", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "edde4d77cb" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete bash container inspection command.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "bash", "database", "medium" ]
J6-CFI-HQ-20K-00153
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
php
test_generation
hard
Test Generation — Image Metadata Parser (php)
security
Generate tests for the php image metadata parser while preserving an existing workflow. Cover success, boundary, failure, and regression cases with clear assertions. Case: cf9317e707.
<?php // case: cf9317e707 function normalize_cf9317e707(array $items, bool $strict = false): array { $result = []; foreach ($items as $raw) { if ($raw === null) { if ($strict) { throw new InvalidArgumentException('Null values are not allowed'); } conti...
Produce a high-quality test generation response for a php image metadata parser while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case cf9317e707, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a php image metadata parser, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_cf9317e707", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_cf9317e707", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "cf9317e707" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete php image metadata parser.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "php", "security", "hard" ]
J6-CFI-HQ-20K-00154
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
debugging
medium
Debugging — Typed Event Bus (typescript)
data_processing
Debug the typescript typed event bus for a realistic service boundary. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 2252929e7b.
// case: 2252929e7b type NormalizeOptions_2252929e7b = { strict?: boolean }; export function normalize_2252929e7b(items: unknown[], options: NormalizeOptions_2252929e7b = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality debugging response for a typescript typed event bus while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 2252929e7b, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a typescript typed event bus, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_2252929e7b", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_2252929e7b", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "2252929e7b" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript typed event bus.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "typescript", "data_processing", "medium" ]
J6-CFI-HQ-20K-00155
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
debugging
hard
Debugging — Stream Helper (java)
web_frontend
Debug the java stream helper without changing unrelated behavior. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: a5527705b6.
// case: a5527705b6 public List<String> normalize_a5527705b6(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality debugging response for a java stream helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case a5527705b6, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a java stream helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a5527705b6", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a5527705b6", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "a5527705b6" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java stream helper.", "Instruction contains explicit behavioral constraints.", "Re...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "java", "web_frontend", "hard" ]
J6-CFI-HQ-20K-00156
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_generation
hard
Code Generation — Csv Import Pipeline (python)
data_processing
Implement a python CSV import pipeline in a data processing module. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 53aa2f7f01.
# case: 53aa2f7f01 def normalize_53aa2f7f01(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code generation response for a python CSV import pipeline while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 53aa2f7f01, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a python CSV import pipeline, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_53aa2f7f01", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_53aa2f7f01", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "53aa2f7f01" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python CSV import pipeline.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "python", "data_processing", "hard" ]
J6-CFI-HQ-20K-00157
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
debugging
medium
Debugging — Authorization Guard (java)
developer_tools
Debug the java authorization guard inside a production-facing developer tool. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: d094acb637.
// case: d094acb637 public List<String> normalize_d094acb637(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality debugging response for a java authorization guard while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case d094acb637, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a java authorization guard, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_d094acb637", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_d094acb637", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "d094acb637" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java authorization guard.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "java", "developer_tools", "medium" ]
J6-CFI-HQ-20K-00158
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
debugging
hard
Debugging — Service Worker Cache Helper (javascript)
automation
Debug the javascript service worker cache helper while preserving an existing workflow. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 2360e398c9.
// case: 2360e398c9 export function normalize_2360e398c9(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality debugging response for a javascript service worker cache helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 2360e398c9, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a javascript service worker cache helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_2360e398c9", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_2360e398c9", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "2360e398c9" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript service worker cache helper.", "Instruction contains explicit behavioral co...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "javascript", "automation", "hard" ]
J6-CFI-HQ-20K-00159
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_explanation
easy
Code Explanation — Task Queue Worker (python)
observability
Explain the python task queue worker for a realistic service boundary. Describe the data flow, one realistic failure mode, and what should be tested next. Case: 82ac22fecb.
# case: 82ac22fecb def normalize_82ac22fecb(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code explanation response for a python task queue worker while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case 82ac22fecb, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a python task queue worker, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_82ac22fecb", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_82ac22fecb", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "82ac22fecb" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python task queue worker.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "python", "observability", "easy" ]
J6-CFI-HQ-20K-00160
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
csharp
code_generation
easy
Code Generation — Dto Converter (csharp)
automation
Implement a csharp DTO converter without changing unrelated behavior. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 5aa20e7468.
// case: 5aa20e7468 public IEnumerable<string> Normalize_5aa20e7468(IEnumerable<object?> items, bool strict = false) { foreach (var raw in items) { if (raw is null) { if (strict) throw new ArgumentException("Null values are not allowed"); continue; } var v...
Produce a high-quality code generation response for a csharp DTO converter while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 5aa20e7468, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a csharp DTO converter, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_5aa20e7468", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_5aa20e7468", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "5aa20e7468" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete csharp DTO converter.", "Instruction contains explicit behavioral constraints.", "...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "csharp", "automation", "easy" ]
J6-CFI-HQ-20K-00161
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
go
code_generation
medium
Code Generation — Cli Command (go)
developer_tools
Implement a go CLI command in a developer tools module. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 15dd54f274.
// case: 15dd54f274 func Normalize_15dd54f274(items []string, strict bool) ([]string, error) { result := make([]string, 0, len(items)) for _, raw := range items { value := strings.TrimSpace(raw) if value == "" { if strict { return nil, fmt.Errorf("empty values are not allowed") } ...
Produce a high-quality code generation response for a go CLI command while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 15dd54f274, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a go CLI command, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_15dd54f274", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_15dd54f274", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "15dd54f274" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete go CLI command.", "Instruction contains explicit behavioral constraints.", "Refere...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "go", "developer_tools", "medium" ]
J6-CFI-HQ-20K-00162
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
test_generation
hard
Test Generation — Infinite Scroll Loader (javascript)
backend_api
Generate tests for the javascript infinite scroll loader inside a production-facing developer tool. Cover success, boundary, failure, and regression cases with clear assertions. Case: 80d9cf0d00.
// case: 80d9cf0d00 export function normalize_80d9cf0d00(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality test generation response for a javascript infinite scroll loader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 80d9cf0d00, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a javascript infinite scroll loader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_80d9cf0d00", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_80d9cf0d00", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "80d9cf0d00" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript infinite scroll loader.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "javascript", "backend_api", "hard" ]
J6-CFI-HQ-20K-00163
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
algorithmic_reasoning
medium
Algorithmic Reasoning — Rest Validation Controller (java)
testing
Solve the java REST validation controller problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 29fe584fe0.
// case: 29fe584fe0 public List<String> normalize_29fe584fe0(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality algorithmic reasoning response for a java REST validation controller while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 29fe584fe0, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a java REST validation controller, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_29fe584fe0", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_29fe584fe0", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "29fe584fe0" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java REST validation controller.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "java", "testing", "medium" ]
J6-CFI-HQ-20K-00164
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
csharp
code_explanation
medium
Code Explanation — Authorization Policy (csharp)
content_management
Explain the csharp authorization policy for a realistic service boundary. Describe the data flow, one realistic failure mode, and what should be tested next. Case: eb1c253892.
// case: eb1c253892 public IEnumerable<string> Normalize_eb1c253892(IEnumerable<object?> items, bool strict = false) { foreach (var raw in items) { if (raw is null) { if (strict) throw new ArgumentException("Null values are not allowed"); continue; } var v...
Produce a high-quality code explanation response for a csharp authorization policy while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case eb1c253892, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a csharp authorization policy, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_eb1c253892", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_eb1c253892", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "eb1c253892" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete csharp authorization policy.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "csharp", "content_management", "medium" ]
J6-CFI-HQ-20K-00165
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
code_generation
hard
Code Generation — Feature Flag Client (typescript)
database
Implement a typescript feature flag client without changing unrelated behavior. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 955f599fe1.
// case: 955f599fe1 type NormalizeOptions_955f599fe1 = { strict?: boolean }; export function normalize_955f599fe1(items: unknown[], options: NormalizeOptions_955f599fe1 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality code generation response for a typescript feature flag client while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 955f599fe1, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a typescript feature flag client, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_955f599fe1", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_955f599fe1", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "955f599fe1" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript feature flag client.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "typescript", "database", "hard" ]
J6-CFI-HQ-20K-00166
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_generation
easy
Code Generation — Cache Invalidation Helper (python)
observability
Implement a python cache invalidation helper in a observability module. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 3b924e2c47.
# case: 3b924e2c47 def normalize_3b924e2c47(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code generation response for a python cache invalidation helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 3b924e2c47, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a python cache invalidation helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_3b924e2c47", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_3b924e2c47", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "3b924e2c47" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python cache invalidation helper.", "Instruction contains explicit behavioral constrai...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "python", "observability", "easy" ]
J6-CFI-HQ-20K-00167
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_review
hard
Code Review — Logging Middleware (python)
content_management
Review the python logging middleware inside a production-facing developer tool. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 53b552f08f.
# case: 53b552f08f def normalize_53b552f08f(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code review response for a python logging middleware while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 53b552f08f, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a python logging middleware, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_53b552f08f", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_53b552f08f", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "53b552f08f" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python logging middleware.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "python", "content_management", "hard" ]
J6-CFI-HQ-20K-00168
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
debugging
hard
Debugging — Matrix Traversal Function (cpp)
file_processing
Debug the cpp matrix traversal function while preserving an existing workflow. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 7262439495.
// case: 7262439495 vector<string> normalize_7262439495(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality debugging response for a cpp matrix traversal function while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 7262439495, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a cpp matrix traversal function, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_7262439495", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_7262439495", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "7262439495" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp matrix traversal function.", "Instruction contains explicit behavioral constraints...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "cpp", "file_processing", "hard" ]
J6-CFI-HQ-20K-00169
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
go
refactoring
medium
Refactoring — Configuration Loader (go)
database
Refactor the go configuration loader for a realistic service boundary. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 5d2e2396f9.
// case: 5d2e2396f9 func Normalize_5d2e2396f9(items []string, strict bool) ([]string, error) { result := make([]string, 0, len(items)) for _, raw := range items { value := strings.TrimSpace(raw) if value == "" { if strict { return nil, fmt.Errorf("empty values are not allowed") } ...
Produce a high-quality refactoring response for a go configuration loader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 5d2e2396f9, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a go configuration loader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_5d2e2396f9", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_5d2e2396f9", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "5d2e2396f9" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete go configuration loader.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "go", "database", "medium" ]
J6-CFI-HQ-20K-00170
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
php
algorithmic_reasoning
hard
Algorithmic Reasoning — Password Reset Handler (php)
testing
Solve the php password reset handler problem without changing unrelated behavior. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 70273af9c6.
<?php // case: 70273af9c6 function normalize_70273af9c6(array $items, bool $strict = false): array { $result = []; foreach ($items as $raw) { if ($raw === null) { if ($strict) { throw new InvalidArgumentException('Null values are not allowed'); } conti...
Produce a high-quality algorithmic reasoning response for a php password reset handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 70273af9c6, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a php password reset handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_70273af9c6", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_70273af9c6", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "70273af9c6" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete php password reset handler.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "php", "testing", "hard" ]
J6-CFI-HQ-20K-00171
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
html_css
code_review
expert
Code Review — Dashboard Layout Section (html_css)
performance
Review the html_css dashboard layout section in a performance module. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 9b555857ba.
/* case: 9b555857ba */ .component-9b555857ba { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1rem; } .component-9b555857ba .card { min-width: 0; padding: 1rem; }
Produce a high-quality code review response for a html_css dashboard layout section while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 9b555857ba, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a html_css dashboard layout section, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_9b555857ba", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_9b555857ba", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "9b555857ba" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete html_css dashboard layout section.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "html_css", "performance", "expert" ]
J6-CFI-HQ-20K-00172
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_explanation
medium
Code Explanation — File Deduplication Utility (python)
web_frontend
Explain the python file deduplication utility inside a production-facing developer tool. Describe the data flow, one realistic failure mode, and what should be tested next. Case: 9f8dfadc0e.
# case: 9f8dfadc0e def normalize_9f8dfadc0e(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code explanation response for a python file deduplication utility while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Explain what the code does before suggesting changes", "Call out one realistic failure mode", "Avoid rewriting the code", "Keep the explanation concise and technical" ]
For case 9f8dfadc0e, Walk through input handling, transformation, and output construction without rewriting the code. Mention one realistic failure mode and a focused test.
This high-quality synthetic sample evaluates whether a coding assistant can handle code explanation for a python file deduplication utility, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_9f8dfadc0e", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_9f8dfadc0e", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "9f8dfadc0e" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_explanation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python file deduplication utility.", "Instruction contains explicit behavioral constra...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_explanation", "python", "web_frontend", "medium" ]
J6-CFI-HQ-20K-00173
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
sql
debugging
hard
Debugging — Retention Cohort Query (sql)
backend_api
Debug the sql retention cohort query while preserving an existing workflow. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 0d19fe1ba6.
-- case: 0d19fe1ba6 SELECT account_id, COUNT(*) AS total_events, MAX(created_at) AS last_event_at FROM events_0d19fe WHERE created_at >= CURRENT_DATE - INTERVAL '30 days' AND account_id IS NOT NULL GROUP BY account_id ORDER BY total_events DESC;
Produce a high-quality debugging response for a sql retention cohort query while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 0d19fe1ba6, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a sql retention cohort query, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_0d19fe1ba6", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_0d19fe1ba6", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "0d19fe1ba6" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete sql retention cohort query.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "sql", "backend_api", "hard" ]
J6-CFI-HQ-20K-00174
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_review
expert
Code Review — Dictionary Normalizer (python)
admin_panels
Review the python dictionary normalizer for a realistic service boundary. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: b4f420bbcf.
# case: b4f420bbcf def normalize_b4f420bbcf(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code review response for a python dictionary normalizer while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case b4f420bbcf, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a python dictionary normalizer, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b4f420bbcf", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b4f420bbcf", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "b4f420bbcf" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python dictionary normalizer.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "python", "admin_panels", "expert" ]
J6-CFI-HQ-20K-00175
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
algorithmic_reasoning
medium
Algorithmic Reasoning — Sliding Window Function (cpp)
security
Solve the cpp sliding window function problem without changing unrelated behavior. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: ecd42af176.
// case: ecd42af176 vector<string> normalize_ecd42af176(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality algorithmic reasoning response for a cpp sliding window function while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case ecd42af176, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a cpp sliding window function, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_ecd42af176", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_ecd42af176", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "ecd42af176" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp sliding window function.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "cpp", "security", "medium" ]
J6-CFI-HQ-20K-00176
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
html_css
code_review
hard
Code Review — Blog Post Card (html_css)
admin_panels
Review the html_css blog post card in a admin panels module. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: a2f3f41d32.
/* case: a2f3f41d32 */ .component-a2f3f41d32 { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1rem; } .component-a2f3f41d32 .card { min-width: 0; padding: 1rem; }
Produce a high-quality code review response for a html_css blog post card while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case a2f3f41d32, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a html_css blog post card, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a2f3f41d32", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a2f3f41d32", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "a2f3f41d32" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete html_css blog post card.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "html_css", "admin_panels", "hard" ]
J6-CFI-HQ-20K-00177
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
debugging
hard
Debugging — Modal Controller (javascript)
web_frontend
Debug the javascript modal controller inside a production-facing developer tool. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 17147cc3f4.
// case: 17147cc3f4 export function normalize_17147cc3f4(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality debugging response for a javascript modal controller while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 17147cc3f4, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a javascript modal controller, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_17147cc3f4", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_17147cc3f4", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "17147cc3f4" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript modal controller.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "javascript", "web_frontend", "hard" ]
J6-CFI-HQ-20K-00178
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
html_css
algorithmic_reasoning
medium
Algorithmic Reasoning — Blog Post Card (html_css)
authentication
Solve the html_css blog post card problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: b62168beb7.
/* case: b62168beb7 */ .component-b62168beb7 { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1rem; } .component-b62168beb7 .card { min-width: 0; padding: 1rem; }
Produce a high-quality algorithmic reasoning response for a html_css blog post card while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case b62168beb7, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a html_css blog post card, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b62168beb7", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b62168beb7", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "b62168beb7" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete html_css blog post card.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "html_css", "authentication", "medium" ]
J6-CFI-HQ-20K-00179
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
test_generation
medium
Test Generation — React Form Component (typescript)
testing
Generate tests for the typescript React form component for a realistic service boundary. Cover success, boundary, failure, and regression cases with clear assertions. Case: 2bcbc45c08.
// case: 2bcbc45c08 type NormalizeOptions_2bcbc45c08 = { strict?: boolean }; export function normalize_2bcbc45c08(items: unknown[], options: NormalizeOptions_2bcbc45c08 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality test generation response for a typescript React form component while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 2bcbc45c08, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a typescript React form component, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_2bcbc45c08", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_2bcbc45c08", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "2bcbc45c08" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript React form component.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "typescript", "testing", "medium" ]
J6-CFI-HQ-20K-00180
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
debugging
hard
Debugging — Pagination Builder (python)
authentication
Debug the python pagination builder without changing unrelated behavior. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: b1c0b8cf31.
# case: b1c0b8cf31 def normalize_b1c0b8cf31(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality debugging response for a python pagination builder while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case b1c0b8cf31, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a python pagination builder, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_b1c0b8cf31", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_b1c0b8cf31", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "b1c0b8cf31" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python pagination builder.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "python", "authentication", "hard" ]
J6-CFI-HQ-20K-00181
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_review
medium
Code Review — Webhook Processor (python)
file_processing
Review the python webhook processor in a file processing module. Prioritize correctness, data safety, maintainability, and test coverage with actionable findings. Case: 83e45ca69f.
# case: 83e45ca69f def normalize_83e45ca69f(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code review response for a python webhook processor while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Prioritize correctness and data safety before style", "Provide actionable findings with severity", "Avoid vague feedback", "Mention at least one test or verification step" ]
For case 83e45ca69f, Return prioritized findings with severity, impact, and remediation. Focus on correctness and safety before style and include at least one verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle code review for a python webhook processor, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_83e45ca69f", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_83e45ca69f", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "83e45ca69f" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "generic_review", "mi...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python webhook processor.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_review", "python", "file_processing", "medium" ]
J6-CFI-HQ-20K-00182
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
sql
sql_data_tasks
hard
Sql Data Tasks — Duplicate Detection Query (sql)
authentication
Improve the SQL duplicate detection query inside a production-facing developer tool. Preserve result semantics, handle NULL values, and discuss index or scan implications. Case: 3ec539f038.
-- case: 3ec539f038 SELECT account_id, COUNT(*) AS total_events, MAX(created_at) AS last_event_at FROM events_3ec539 WHERE created_at >= CURRENT_DATE - INTERVAL '30 days' AND account_id IS NOT NULL GROUP BY account_id ORDER BY total_events DESC;
Produce a high-quality sql data tasks response for a sql duplicate detection query while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Preserve result semantics", "Handle NULL values deliberately", "Use explicit joins or filters", "Discuss index or scan implications" ]
For case 3ec539f038, Make joins and filters explicit, define NULL handling, preserve aggregation semantics, and describe the index or query shape that reduces scanning.
This high-quality synthetic sample evaluates whether a coding assistant can handle sql data tasks for a sql duplicate detection query, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_3ec539f038", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_3ec539f038", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "3ec539f038" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_join", "missin...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete sql duplicate detection query.", "Instruction contains explicit behavioral constraints...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "sql_data_tasks", "sql", "authentication", "hard" ]
J6-CFI-HQ-20K-00183
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
rust
coding_agent_instructions
medium
Coding Agent Instructions — Ownership-Safe Transformer (rust)
testing
Act as a coding agent for the rust ownership-safe transformer while preserving an existing workflow. Do not rewrite the whole file; identify the exact edit location and verification step. Case: 0a81e66bbb.
// case: 0a81e66bbb fn normalize_0a81e66bbb(items: Vec<Option<String>>, strict: bool) -> Result<Vec<String>, String> { let mut result = Vec::new(); for raw in items { match raw { Some(value) => { let cleaned = value.trim().to_lowercase(); if !cleaned.is_empty(...
Produce a high-quality coding agent instructions response for a rust ownership-safe transformer while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not rewrite the whole file", "Identify the exact edit location", "Make the smallest safe change", "Include a verification step" ]
For case 0a81e66bbb, Locate the smallest target block, state the exact insertion or replacement point, avoid full-file rewrites, and include a focused verification step.
This high-quality synthetic sample evaluates whether a coding assistant can handle coding agent instructions for a rust ownership-safe transformer, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_0a81e66bbb", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_0a81e66bbb", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "0a81e66bbb" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "over_rewrite", "igno...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete rust ownership-safe transformer.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "coding_agent_instructions", "rust", "testing", "medium" ]
J6-CFI-HQ-20K-00184
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
cpp
debugging
medium
Debugging — Graph Traversal Routine (cpp)
file_processing
Debug the cpp graph traversal routine for a realistic service boundary. Identify the root cause before patching, make the narrowest safe fix, and add a regression check. Case: 64c0df898d.
// case: 64c0df898d vector<string> normalize_64c0df898d(const vector<string>& items) { vector<string> result; for (const auto& raw : items) { string value = trim(raw); if (!value.empty()) result.push_back(to_lower(value)); } return result; }
Produce a high-quality debugging response for a cpp graph traversal routine while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Identify the likely root cause before proposing code", "Make the narrowest safe fix", "Preserve the public API and current call sites", "Include one regression check" ]
For case 64c0df898d, Start by reproducing the failure path, isolate the invalid assumption, patch the narrowest branch, preserve the contract, and add a regression check that fails before the fix.
This high-quality synthetic sample evaluates whether a coding assistant can handle debugging for a cpp graph traversal routine, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_64c0df898d", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_64c0df898d", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "64c0df898d" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "incorrect_root_cause", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete cpp graph traversal routine.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "debugging", "cpp", "file_processing", "medium" ]
J6-CFI-HQ-20K-00185
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
test_generation
medium
Test Generation — Chart Data Mapper (javascript)
developer_tools
Generate tests for the javascript chart data mapper without changing unrelated behavior. Cover success, boundary, failure, and regression cases with clear assertions. Case: 9814d8dccd.
// case: 9814d8dccd export function normalize_9814d8dccd(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality test generation response for a javascript chart data mapper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case 9814d8dccd, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a javascript chart data mapper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_9814d8dccd", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_9814d8dccd", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "9814d8dccd" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript chart data mapper.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "javascript", "developer_tools", "medium" ]
J6-CFI-HQ-20K-00186
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
csharp
test_generation
hard
Test Generation — Configuration Loader (csharp)
authentication
Generate tests for the csharp configuration loader in a authentication module. Cover success, boundary, failure, and regression cases with clear assertions. Case: dc0a6e3381.
// case: dc0a6e3381 public IEnumerable<string> Normalize_dc0a6e3381(IEnumerable<object?> items, bool strict = false) { foreach (var raw in items) { if (raw is null) { if (strict) throw new ArgumentException("Null values are not allowed"); continue; } var v...
Produce a high-quality test generation response for a csharp configuration loader while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case dc0a6e3381, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a csharp configuration loader, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_dc0a6e3381", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_dc0a6e3381", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "dc0a6e3381" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete csharp configuration loader.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "csharp", "authentication", "hard" ]
J6-CFI-HQ-20K-00187
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
sql_data_tasks
medium
Sql Data Tasks — Pagination Builder (python)
security
Improve the SQL pagination builder inside a production-facing developer tool. Preserve result semantics, handle NULL values, and discuss index or scan implications. Case: 382882ad38.
# case: 382882ad38 def normalize_382882ad38(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality sql data tasks response for a python pagination builder while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Preserve result semantics", "Handle NULL values deliberately", "Use explicit joins or filters", "Discuss index or scan implications" ]
For case 382882ad38, Make joins and filters explicit, define NULL handling, preserve aggregation semantics, and describe the index or query shape that reduces scanning.
This high-quality synthetic sample evaluates whether a coding assistant can handle sql data tasks for a python pagination builder, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_382882ad38", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_382882ad38", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "382882ad38" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_join", "missin...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python pagination builder.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "sql_data_tasks", "python", "security", "medium" ]
J6-CFI-HQ-20K-00188
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
refactoring
hard
Refactoring — Task Queue Worker (python)
automation
Refactor the python task queue worker while preserving an existing workflow. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: a72731f7ab.
# case: a72731f7ab def normalize_a72731f7ab(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality refactoring response for a python task queue worker while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case a72731f7ab, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a python task queue worker, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_a72731f7ab", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_a72731f7ab", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "a72731f7ab" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python task queue worker.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "python", "automation", "hard" ]
J6-CFI-HQ-20K-00189
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
rust
code_generation
hard
Code Generation — Tokio Task Coordinator (rust)
testing
Implement a rust Tokio task coordinator for a realistic service boundary. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 3edc14bf8e.
// case: 3edc14bf8e fn normalize_3edc14bf8e(items: Vec<Option<String>>, strict: bool) -> Result<Vec<String>, String> { let mut result = Vec::new(); for raw in items { match raw { Some(value) => { let cleaned = value.trim().to_lowercase(); if !cleaned.is_empty(...
Produce a high-quality code generation response for a rust Tokio task coordinator while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 3edc14bf8e, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a rust Tokio task coordinator, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_3edc14bf8e", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_3edc14bf8e", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "3edc14bf8e" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete rust Tokio task coordinator.", "Instruction contains explicit behavioral constraints."...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "rust", "testing", "hard" ]
J6-CFI-HQ-20K-00190
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
sql_data_tasks
hard
Sql Data Tasks — Webhook Processor (python)
payment_systems
Improve the SQL webhook processor without changing unrelated behavior. Preserve result semantics, handle NULL values, and discuss index or scan implications. Case: 5ad5299ed0.
# case: 5ad5299ed0 def normalize_5ad5299ed0(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality sql data tasks response for a python webhook processor while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Preserve result semantics", "Handle NULL values deliberately", "Use explicit joins or filters", "Discuss index or scan implications" ]
For case 5ad5299ed0, Make joins and filters explicit, define NULL handling, preserve aggregation semantics, and describe the index or query shape that reduces scanning.
This high-quality synthetic sample evaluates whether a coding assistant can handle sql data tasks for a python webhook processor, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_5ad5299ed0", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_5ad5299ed0", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "5ad5299ed0" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_join", "missin...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python webhook processor.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "sql_data_tasks", "python", "payment_systems", "hard" ]
J6-CFI-HQ-20K-00191
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
algorithmic_reasoning
hard
Algorithmic Reasoning — Stream Helper (java)
content_management
Solve the java stream helper problem in a content management module. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 8a9b0917a7.
// case: 8a9b0917a7 public List<String> normalize_8a9b0917a7(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality algorithmic reasoning response for a java stream helper while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 8a9b0917a7, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a java stream helper, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_8a9b0917a7", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_8a9b0917a7", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "8a9b0917a7" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java stream helper.", "Instruction contains explicit behavioral constraints.", "Re...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "java", "content_management", "hard" ]
J6-CFI-HQ-20K-00192
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
api_backend
expert
Api Backend — Transaction Handler (java)
observability
Design a safe backend/API change for the java transaction handler inside a production-facing developer tool. Include validation, structured errors, and response-contract notes. Case: f877934d61.
// case: f877934d61 public List<String> normalize_f877934d61(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality api backend response for a java transaction handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Validate input before side effects", "Return structured error responses", "Avoid leaking internal exception details", "Keep response contracts stable" ]
For case f877934d61, Validate the request before side effects, return stable structured errors, avoid leaking internals, and document backward-compatible response behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle api backend for a java transaction handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_f877934d61", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_f877934d61", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": true, "risk_level": "high", "quality_tier": "hq_synthetic", "unique_case_id": "f877934d61" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_validation", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java transaction handler.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "api_backend", "java", "observability", "expert" ]
J6-CFI-HQ-20K-00193
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
algorithmic_reasoning
medium
Algorithmic Reasoning — Accessible Dropdown (javascript)
payment_systems
Solve the javascript accessible dropdown problem while preserving an existing workflow. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 1171b17a9f.
// case: 1171b17a9f export function normalize_1171b17a9f(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality algorithmic reasoning response for a javascript accessible dropdown while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 1171b17a9f, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a javascript accessible dropdown, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_1171b17a9f", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_1171b17a9f", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "1171b17a9f" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript accessible dropdown.", "Instruction contains explicit behavioral constraint...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "javascript", "payment_systems", "medium" ]
J6-CFI-HQ-20K-00194
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
php
algorithmic_reasoning
hard
Algorithmic Reasoning — Password Reset Handler (php)
payment_systems
Solve the php password reset handler problem for a realistic service boundary. Explain the invariant, time complexity, space complexity, and boundary behavior. Case: 358e657882.
<?php // case: 358e657882 function normalize_358e657882(array $items, bool $strict = false): array { $result = []; foreach ($items as $raw) { if ($raw === null) { if ($strict) { throw new InvalidArgumentException('Null values are not allowed'); } conti...
Produce a high-quality algorithmic reasoning response for a php password reset handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "State the algorithmic invariant", "Give time and space complexity", "Handle empty and boundary inputs", "Avoid brute force when a better approach is expected" ]
For case 358e657882, Describe the invariant, choose the simplest algorithm that meets the complexity target, prove boundary behavior, and state time and space complexity.
This high-quality synthetic sample evaluates whether a coding assistant can handle algorithmic reasoning for a php password reset handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_358e657882", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_358e657882", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": true, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "358e657882" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "wrong_complexity", "...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete php password reset handler.", "Instruction contains explicit behavioral constraints.",...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "algorithmic_reasoning", "php", "payment_systems", "hard" ]
J6-CFI-HQ-20K-00195
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
java
code_generation
hard
Code Generation — Exception Handler (java)
developer_tools
Implement a java exception handler without changing unrelated behavior. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 84d3395a8e.
// case: 84d3395a8e public List<String> normalize_84d3395a8e(List<Object> items, boolean strict) { List<String> result = new ArrayList<>(); for (Object raw : items) { if (raw == null) { if (strict) throw new IllegalArgumentException("Null values are not allowed"); continue; ...
Produce a high-quality code generation response for a java exception handler while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 84d3395a8e, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a java exception handler, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_84d3395a8e", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_84d3395a8e", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "84d3395a8e" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete java exception handler.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "java", "developer_tools", "hard" ]
J6-CFI-HQ-20K-00196
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_generation
easy
Code Generation — Task Queue Worker (python)
security
Implement a python task queue worker in a security module. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 7a91b98a54.
# case: 7a91b98a54 def normalize_7a91b98a54(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code generation response for a python task queue worker while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 7a91b98a54, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a python task queue worker, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_7a91b98a54", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_7a91b98a54", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "7a91b98a54" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python task queue worker.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "python", "security", "easy" ]
J6-CFI-HQ-20K-00197
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
typescript
refactoring
medium
Refactoring — Zod Request Validator (typescript)
developer_tools
Refactor the typescript Zod request validator inside a production-facing developer tool. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 41b88c6837.
// case: 41b88c6837 type NormalizeOptions_41b88c6837 = { strict?: boolean }; export function normalize_41b88c6837(items: unknown[], options: NormalizeOptions_41b88c6837 = {}): string[] { const result: string[] = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null v...
Produce a high-quality refactoring response for a typescript Zod request validator while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 41b88c6837, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a typescript Zod request validator, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_41b88c6837", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_41b88c6837", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "41b88c6837" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete typescript Zod request validator.", "Instruction contains explicit behavioral constrai...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "typescript", "developer_tools", "medium" ]
J6-CFI-HQ-20K-00198
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
javascript
refactoring
hard
Refactoring — Localstorage Adapter (javascript)
observability
Refactor the javascript localStorage adapter while preserving an existing workflow. Preserve behavior and public names, reduce complexity, and explain why the refactor is safe. Case: 12534d336a.
// case: 12534d336a export function normalize_12534d336a(items, options = { strict: false }) { const result = []; for (const raw of items) { if (raw == null) { if (options.strict) throw new Error("Null values are not allowed"); continue; } const value = String(raw).trim(); if (value) res...
Produce a high-quality refactoring response for a javascript localStorage adapter while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Do not change observable behavior", "Keep public names stable unless asked otherwise", "Reduce complexity without broad rewrites", "Explain the safety of the refactor" ]
For case 12534d336a, Extract only the unclear or repeated logic into a focused helper, keep public names stable, compare before and after behavior, and avoid broad rewrites.
This high-quality synthetic sample evaluates whether a coding assistant can handle refactoring for a javascript localStorage adapter, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_12534d336a", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_12534d336a", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": false, "preserves_api": true, "risk_level": "medium", "quality_tier": "hq_synthetic", "unique_case_id": "12534d336a" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "behavior_change", "r...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete javascript localStorage adapter.", "Instruction contains explicit behavioral constrain...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "refactoring", "javascript", "observability", "hard" ]
J6-CFI-HQ-20K-00199
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
code_generation
easy
Code Generation — Logging Middleware (python)
payment_systems
Implement a python logging middleware for a realistic service boundary. Handle invalid input, keep the implementation dependency-light, and include a verification example. Case: 1a55d6d887.
# case: 1a55d6d887 def normalize_1a55d6d887(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality code generation response for a python logging middleware while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Keep the implementation dependency-light", "Handle invalid or boundary input explicitly", "Return deterministic output", "Include a small verification example" ]
For case 1a55d6d887, Create a compact implementation that validates inputs at the boundary, keeps control flow explicit, avoids unnecessary dependencies, and demonstrates normal plus boundary behavior.
This high-quality synthetic sample evaluates whether a coding assistant can handle code generation for a python logging middleware, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_1a55d6d887", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_1a55d6d887", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" } ]
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "1a55d6d887" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "missing_edge_case", ...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python logging middleware.", "Instruction contains explicit behavioral constraints.", ...
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "code_generation", "python", "payment_systems", "easy" ]
J6-CFI-HQ-20K-00200
J6-CFI-HQ-20K
JumpLander High-Quality 20K Code Feedback Instructions
1.0.0-hq-synthetic
en
python
test_generation
medium
Test Generation — Json Migration Script (python)
cli_tools
Generate tests for the python JSON migration script without changing unrelated behavior. Cover success, boundary, failure, and regression cases with clear assertions. Case: bdf4c45bbc.
# case: bdf4c45bbc def normalize_bdf4c45bbc(items, *, strict=False): result = [] for raw in items: if raw is None: if strict: raise ValueError("None is not allowed") continue value = str(raw).strip() if value: result.append(value.lower(...
Produce a high-quality test generation response for a python JSON migration script while preserving explicit developer constraints, edge-case behavior, and actionable engineering clarity.
[ "Cover success, boundary, and failure cases", "Use behavior-focused test names", "Avoid tests that depend on implementation details", "Include at least one regression-style case" ]
For case bdf4c45bbc, Build tests for normal input, boundary input, malformed input, and a regression scenario. Assert externally visible behavior rather than private implementation details.
This high-quality synthetic sample evaluates whether a coding assistant can handle test generation for a python JSON migration script, preserve constraints, avoid generic output, and provide verifiable engineering guidance.
[ { "name": "normal_behavior_bdf4c45bbc", "input": "representative valid input", "expected": "documented successful output" }, { "name": "boundary_behavior_bdf4c45bbc", "input": "empty, missing, minimum-size, or whitespace-only input", "expected": "safe deterministic handling" }, { ...
{ "requires_reasoning": false, "has_edge_cases": true, "has_tests": true, "preserves_api": false, "risk_level": "low", "quality_tier": "hq_synthetic", "unique_case_id": "bdf4c45bbc" }
{ "checks": [ "Matches the developer intent", "Preserves explicit constraints", "Avoids unnecessary rewrites or dependencies", "Includes actionable and testable guidance", "Handles at least one edge case", "Avoids generic filler" ], "failure_types_to_avoid": [ "weak_assertions", "m...
{ "status": "synthetic_hq_candidate", "duplicate_policy": "exact record, instruction, and code-context duplicates removed during generation", "human_reviewed": false, "quality_notes": [ "Scenario is tied to a concrete python JSON migration script.", "Instruction contains explicit behavioral constraints....
[ "coding", "code-feedback", "high-quality-synthetic", "instruction-tuning", "test_generation", "python", "cli_tools", "medium" ]