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

Fix VS Code Source Control Not Detecting File Modifications

You edit a file, save it, but the Source Control panel in VS Code shows nothing. No pending chang...

Fix Python venv 'No such file or directory' Error on Activation

You create a virtual environment with python -m venv myenv, then try to activate it ...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

How to Fix Git Refusing to Merge Unrelated Histories

When you try to merge two Git branches that have no common commit history, Git stops you with the...

How to Fix Cloudflare Error 521: Server Not Responding

Cloudflare error 521 appears when your origin server refuses the connection from Cloudflare's...

Git Merge --allow-unrelated-histories: When and How to Use It

You run git merge and get an error: fatal: refusing to merge unrelated histories...