Knowledge base for software setup, errors, and daily tool work.

How to Resolve Git Merge Conflicts on the Same Line

You run git merge and get a conflict marker on a single line. The file shows both ve...

Fix Node Version Incompatible with npm Package Error

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix Cloudflare Error 521 After a Server Update

If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...

Fixing Python UnicodeDecodeError with latin-1 Codec

You're reading a file in Python and hit UnicodeDecodeError: 'charmap' codec can...