Checklists for software errors, setup, and tool workflows.

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...

Fix npm install Permission Denied in VS Code Terminal

When you run npm install in the VS Code terminal and get a permission denied error, ...

Docker Prune Not Freeing Enough Space: Practical Fixes

You run docker system prune -a expecting a big space recovery, but the freed space i...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...