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

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix VS Code Source Control Not Detecting Changes in Subfolder

You open VS Code, see changes in the root folder, but the Source Control panel shows nothing for ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

When you run git clone, git pull, or git fetch over HTTPS,...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Fix Docker Pull Access Denied Due to Missing Credentials

If you see docker pull returning access denied with a message like ...