Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

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Latest checklists

You run docker compose up and get an error like Error: Port 3306 is already al...

Fix pnpm Not Working After Node.js Update
After updating Node.js, you may find that pnpm commands fail with errors like command not f...

Fixing VS Code 'Permission Denied' Errors on All Files
If VS Code shows 'permission denied' for every file you try to open or edit, the problem ...

Fix VS Code Git Authentication Failed Keychain Error
If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

Fix ENOENT Error: package.json Not Found in React App
When running npm start or npm install in a React app, you may see an er...

Fix Docker Compose Environment Variable Substitution Failed
When running docker compose up, you might see errors like failed to resolve co...