Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You’re trying to clone or push to a remote repository over HTTPS and Git throws an error like

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...

You edit a file, save it, but the Source Control panel in VS Code shows nothing. No pending chang...

You updated your Python environment or a package, and now your script throws import errors or ver...

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...