Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're editing a file in VS Code, hit save, and get a 'permission denied' error. This...

You set up a .env file for your Docker Compose project, but variables aren't bei...

You're browsing in Chrome on Windows 10 and suddenly see an error page with: STATUS_ACC...

Prevent Git Index Lock File Creation: Practical Fixes
If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Checklist for Nginx Configuration Test Failure
When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround
You try to merge two Git branches and get this error:
fatal: refusing to merge unre...