Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run a Docker container with docker run -it myimage and it exits immediately. The...

You're trying to access a site served by nginx, but you get a 403 Forbidden ...

You open a Rust project in VSCode, start typing, and get no completions, hover info, or error hig...

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

If you're running npm on Linux and see npm ERR! enoent ENOENT: no such file or director...

Python venv Not Working on Windows 10: Common Fixes
If you're trying to create or activate a Python virtual environment on Windows 10 and it'...