Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

You run git remote add origin <url> and get: fatal: remote origin alread...

Fixing node-sass Build Failures on macOS
You run npm install and hit a wall: node-sass fails to compile native modules on mac...

Fix VS Code Breakpoint Condition Not Working
You set a conditional breakpoint in VS Code, but execution either stops every time or never stops...

Fix VSCode Git Auth Failed: Expired Token
You're working in Visual Studio Code, try to push or pull, and see an error like "Git: Au...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...