Software comparisons, alternatives, and tool decision notes.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

Nginx Redirect Loop: Common Causes and Fixes

You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...

Fix VS Code Permission Denied When Not Admin

You try to save a file or install an extension in VS Code, and get a "permission denied" ...

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...