Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

When you try to push commits to a remote repository and see “rejected – non-fast-forward”, it mea...

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

You open VS Code, try to start the integrated terminal, and it either doesn't appear, flashes...

You're working in a subdirectory of your project, run npm install or npm r...

Fix npm run build failing due to ESLint errors
You run npm run build and it fails with a wall of ESLint errors. This is common when...