Checklists for software errors, setup, and tool workflows.

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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 Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Fix VS Code Terminal Not Opening with Docker

If your VS Code terminal refuses to open when Docker is running or after installing Docker extens...

Fix Cloudflare Wildcard Subdomain DNS Propagation Delay

You set up a wildcard DNS record (e.g., *.example.com) in Cloudflare, but new subdom...

Fix 'docker network not found' When Connecting Container

You try to connect a running container to a Docker network and get Error response from daem...

Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer
If you're seeing fatal: unable to access 'https://...': SSL certificate problem...