Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

You set environment variables in a .env file next to your docker-compose.yml

Fix npm run build failing due to ESLint errors
You run npm run build and it fails with a wall of ESLint errors. This is common when...

Fix Windows Explorer Restarting with SFC Scannow
If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

How to Recover from Detached HEAD in Git
You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Fix Python Permission Denied When Installing Packages
You try to install a Python package with pip and get a PermissionError: [Errno 13] Permissi...