Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You set a timeout in requests.get(url, timeout=5), but the request hangs for minutes...

You open a JavaScript file in VSCode, but IntelliSense is silent — no autocompletions, no suggest...

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

When you run git clone, git pull, or git fetch over HTTPS,...

When you run a Docker build and see an error like context canceled or no space...

Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules
You run npm install or npm start and get something like:
...