Checklists for software errors, setup, and tool workflows.

Chrome Memory Not Decreasing After Closing Tabs – Fixes

You close a dozen tabs, but Chrome still eats 2 GB of RAM. This is normal up to a point—Chrome ca...

npm run build Failed: Troubleshooting Checklist

When npm run build fails, the error message can be cryptic. This checklist walks thr...

Fix Git 'index.lock file exists' Error

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

Python Requests Timeout: Default Value and How to Set It

When using the Python requests library, you might notice that some requests hang ind...

Fix Git Clone Connection Timed Out via HTTPS

When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...