Duplicate from dmeldrum6/Code_Debugging_QA

Co-authored-by: David Meldrum <dmeldrum6@users.noreply.huggingface.co>

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README.md

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+---
+license: mit
+---
+# Code Debugging Q&A Dataset
+*By [dmeldrum6](https://huggingface.co/dmeldrum6)*
+ 
+A curated dataset of 1,073 question-and-answer pairs covering common debugging scenarios across Python, JavaScript, SQL, and Bash. Designed for fine-tuning and instruction-tuning language models on code debugging tasks.
+ 
+## Dataset Summary
+ 
+Each pair presents a realistic bug symptom as a question and a structured answer containing:
+- A **buggy code block** demonstrating the problem
+- A **corrected code block** showing the fix
+- A **plain-language explanation** of the root cause
+ 
+## Languages and Coverage
+ 
+| Language   | Pairs | Topics Covered |
+|------------|-------|----------------|
+| Python     | 297   | TypeError, ValueError, scope errors, mutable default arguments, missing returns, off-by-one, loop logic |
+| JavaScript | 290   | Type coercion, undefined/null, typeof, async/await, Promises, var/let/const hoisting, closures, DOM, array methods |
+| SQL        | 298   | JOIN types, NULL handling, WHERE clause errors, GROUP BY, aggregate functions, type casting, subqueries |
+| Bash       | 188   | Variable quoting, word splitting, single vs double quotes, `$()` vs backticks, `[` vs `[[`, exit codes, file operations |
+| **Total**  | **1,073** | |
+ 
+## Data Format
+ 
+The dataset is provided as a JSON array. Each record contains two fields:
+ 
+```json
+[
+  {
+    "question": "Why does my Python function always return None even though it prints the correct value?",
+    "answer": "The function is missing a return statement...\n\nBuggy code:\n```python\ndef add(a, b):\n    print(a + b)\n```\n\nCorrected code:\n```python\ndef add(a, b):\n    return a + b\n```\n\nRoot cause: `print()` displays a value but does not return it. Without an explicit `return`, Python returns `None` by default."
+  }
+]
+```
+ 
+## Dataset Creation
+ 
+### Generation
+ 
+Q&A pairs were generated in thematic batches using a structured topic prompt that explicitly required:
+1. A question describing a realistic bug symptom
+2. A fenced code block showing the buggy code
+3. A fenced code block showing the corrected code
+4. A root cause explanation
+ 
+### Cleaning
+ 
+The raw generated dataset was processed as follows:
+- **Deduplication**: Near-duplicate questions (matching on first 60 characters) were identified and the shorter/less detailed copy removed
+- **Factual review**: Automated checks were run for common LLM errors in debugging explanations (e.g. `typeof null`, `COUNT(*)` vs `COUNT(col)` NULL behaviour, hoisting rules, range() semantics)
+- **Manual correction**: One confirmed factual error was corrected — a JavaScript hoisting explanation that conflated `var` (hoisted, initialized to `undefined`) with `const` (Temporal Dead Zone, throws `ReferenceError`)
+ 
+### Quality Notes
+ 
+- All answers contain at least two fenced code blocks (buggy + fixed)
+- Difficulty ranges from beginner to intermediate; advanced topics (e.g. metaclasses, complex query optimisation) are not covered
+- SQL examples use generic ANSI SQL; minor syntax variations may occur across dialects (MySQL, PostgreSQL, SQLite)
+- Bash examples target bash 4+; some `[[` behaviour may differ in POSIX sh
+ 
+## Intended Uses
+ 
+**Suitable for:**
+- Fine-tuning small-to-medium LLMs (7B–30B) on code debugging tasks
+