Checklists for software errors, setup, and tool workflows.

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Python Command Not Found in Windows Terminal: Fixes

When you type python or python3 in Windows Command Prompt or PowerShell...

Fix VSCode IntelliSense Not Working for PowerShell

If you're editing PowerShell scripts in VS Code and IntelliSense stops showing suggestions (n...

Fix Git Clone Connection Timed Out via HTTPS

When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...