Checklists for software errors, setup, and tool workflows.

Fix Git Authentication Failed in VS Code on Mac

If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...

Fix VS Code Breakpoints Not Hitting in React Apps

You set a breakpoint in your React component, but when you run the app, the debugger never stops ...

Fix Docker Volume Permission Denied for Nginx

When running Nginx in a Docker container with a bind-mounted volume for static files, you might s...

Fix VS Code Source Control Not Detecting Changes with Permission Denied

You open VS Code, make edits, but the Source Control panel shows no changes. Or you see a "pe...

Fix Git 'index.lock' File Exists Error on Linux

When working with Git on Linux, you might see an error like:

fatal: Unable to creat...