Checklists for software errors, setup, and tool workflows.

Git Merge Conflict Checklist Before Merging

You're about to merge a branch, but you've been burned by merge conflicts before. This ch...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

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...

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 Python UnicodeDecodeError 'charmap' Codec

You're reading a file in Python and get:

UnicodeDecodeError: 'charmap' ...