Checklists for software errors, setup, and tool workflows.

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Fix npm run build TypeScript Compilation Errors

You run npm run build and get a wall of TypeScript errors. The build fails, and you&...

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 Virtual Environment Not Activating After Install: Fixes

You installed a Python virtual environment with python -m venv myenv, but when you t...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...