Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run npm install and see errors like Unsupported engine or req...

Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Resolving Python Dependency Conflicts in setup.py
When you run pip install . or python setup.py develop, a dependency con...

How to Use Git LFS Track for Large Files
If you've ever tried to push a repository containing large binary files—like design assets, d...

How to Set Python Path in Windows 10
If you've installed Python on Windows 10 but get 'python' is not recognized

Fix Virtual Environment Not Activating in Terminal
Why Your Virtual Environment Won't Activate
You open a terminal, navigate to your pro...