Review this [LANGUAGE] code for bugs, security issues and performance problems. Give a fixed version with comments: [CODE]
Explain this code to a junior developer, line by line, then give a one-paragraph summary: [CODE]
Write unit tests for this function covering happy path, edge cases and error handling: [CODE]
Refactor this code to be more readable and follow [LANGUAGE] conventions. Explain each change: [CODE]
Generate a REST API design for [RESOURCE] with endpoints, request/response JSON, status codes and error format.
Write a regex that matches [PATTERN] and explain each part of it with 3 test cases.
Turn this SQL query into an optimized version and explain the index strategy: [QUERY]
Create a debugging checklist for [ERROR] ordered from most to least likely cause.
Write a README for this project: what it does, install, usage, config, and troubleshooting: [PROJECT]
Convert this code from [LANG_A] to [LANG_B] and note any behavioral differences: [CODE]