Checklists for software errors, setup, and tool workflows.

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Latest checklists

You run git push and get: ! [rejected] main -> main (non-fast-forward) erro...

Python Virtual Environment Not Activating on Ubuntu: Fixes
You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

How to Remove the Externally Managed Environment Flag in pip
If you're seeing error: externally-managed-environment when using pip on a moder...

Fix npm 'package.json not found' Error in Subdirectories
You're working in a subdirectory of your project, run npm install or npm r...

Fix 'npm permission denied' in VS Code Terminal
When you see a 'permission denied' error in the VS Code terminal while running npm comman...

How to Fix Git Clone Timeout Error on Mac
If you're seeing a timeout error when running git clone on your Mac, the clone f...