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Huaqing Xu
Huaqing Xu

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5 ChatGPT Prompts Every Developer Should Bookmark

As developers, we spend hours on repetitive tasks: code review, debugging, writing tests, documenting APIs. What if ChatGPT could handle the grunt work while you focus on architecture and problem-solving?

Here are 5 prompt templates I use daily that have genuinely saved me time. These are from my collection of 100+ ChatGPT prompt templates.

1. The Code Review Assistant

Review the following [LANGUAGE] code for:
1. Bugs and potential runtime errors
2. Security vulnerabilities
3. Performance optimizations
4. Code style and readability
5. Missing error handling

For each issue, provide:
- Line number and severity (critical/warning/info)
- Clear explanation of the problem
- Suggested fix with code example

[PASTE YOUR CODE]
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Why it works: Instead of a vague "review this code" prompt, this template forces ChatGPT to analyze specific dimensions and provide structured, actionable feedback. The severity rating helps you prioritize fixes.

2. The Bug Debugger

I'm getting this error: [ERROR MESSAGE]
When running: [CODE OR COMMAND]

Expected behavior: [WHAT SHOULD HAPPEN]
Actual behavior: [WHAT ACTUALLY HAPPENS]
Steps already tried: [LIST WHAT YOU'VE ATTEMPTED]

Help me:
1. Identify the root cause
2. Provide a fix with code
3. Suggest prevention strategies for the future
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Why it works: Structured debugging prompts produce much better results than "fix my error." By providing expected vs actual behavior, ChatGPT can narrow down the issue faster. The "prevention strategies" section turns each bug into a learning opportunity.

3. The Test Case Generator

Generate comprehensive test cases for the following function:

[PASTE FUNCTION]

Include:
- Happy path tests (normal inputs)
- Edge cases (empty, null, boundary values)
- Error cases (invalid inputs, exceptions)
- Performance considerations
- Mock/stub setup code if needed

Use [TESTING FRAMEWORK] syntax.
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Why it works: Test generation is one of ChatGPT's strongest coding abilities. This template ensures you get coverage across all test categories, not just the obvious cases. The framework specification means the output is immediately usable.

4. The API Documentation Writer

Write API documentation for the following endpoint:

[PASTE CODE OR ENDPOINT DETAILS]

Include:
- Endpoint URL and HTTP method
- Request parameters (with types, required/optional, descriptions)
- Response format with example
- Error responses and codes
- Authentication requirements
- Rate limiting info
- 3 usage examples (curl, Python, JavaScript)
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Why it works: Nobody likes writing docs. This template produces consistent, complete API documentation with minimal effort. The multi-language examples make your API accessible to developers across different stacks.

5. The Refactoring Guide

Refactor the following code to improve:
1. Readability and naming
2. Performance
3. Maintainability
4. Adherence to [LANGUAGE] best practices

Before refactoring, explain:
- What problems exist in the current code
- Why each change improves it

After refactoring, provide:
- The improved code
- A summary of changes made
- Any trade-offs introduced

[PASTE CODE]
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Why it works: Refactoring prompts often produce code without explanation. This template forces ChatGPT to explain its reasoning before making changes, so you can verify the logic and learn from the improvements.

Get All 100+ Prompt Templates Free

These 5 prompts are just a sample. I've compiled 100+ prompt templates covering programming, writing, marketing, education, productivity, and career development into a single PDF.

The full collection is free to download. You'll also get 1TB of free cloud storage from TeraBox — useful for storing your code snippets, documentation, and project files.

👉 Download the 100+ ChatGPT Prompt Templates PDF (Free)

Pro Tips for Using These Prompts

  1. Replace ALL [BRACKETED] text with your specifics
  2. Paste actual code — don't describe it, show it
  3. Iterate — if the first response isn't perfect, ask for refinements
  4. Save good prompts — build your own library over time
  5. Share with your team — consistent prompts produce consistent results

Happy coding!

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