Checklists for software errors, setup, and tool workflows.

Fix 'python' Command Not Found on Windows 10 with Python 3.10

After installing Python 3.10 on Windows 10, you might type python in Command Prompt ...

Git Detached HEAD Warning Explained: Causes and Fixes

You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

Fix VS Code Git Authentication Failed Keychain Error

If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

Fix Python Permission Denied When Installing Package in Virtual Environment

You activate your Python virtual environment, run pip install somepackage, and get a...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules

You run npm install or npm start and get something like:

...