Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You updated Windows 11, and now you get a blue screen. If the error mentions hardware, it's o...

If Chrome crashes immediately upon launch, you risk losing bookmarks and other local data if you ...

You set environment variables in a .env file next to your docker-compose.yml

Fix Docker Nginx 502 Bad Gateway with MySQL
You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Fix 'Permission Denied' in VS Code Terminal for Python
You're in VS Code, you open the terminal, type python script.py, and get p...

How to Check Node Version Compatibility with a Package
You're about to install or update a package, and you see warnings like "requires Node.js ...