Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

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

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

Python Requests Timeout Not Working: Fixes & Checks
You set a timeout in requests.get(url, timeout=5), but the request hangs for minutes...

VS Code Terminal Blank Screen: Quick Fixes
You open the integrated terminal in VS Code, but instead of a prompt, you get a blank or black sc...

Fix Docker Hub Access Denied: Pull Image Not Working
You run docker pull and see access denied or denied: requested ac...

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...