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

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Docker Compose Environment Variable from Shell Not Working: Fixes

You set an environment variable in your shell, but Docker Compose ignores it. This is a common pi...

Fix Windows Taskbar Icons Missing After Driver Update

After a driver update, your Windows taskbar icons might disappear, leaving empty spaces or no ico...

Fix Git Authentication Failed in VS Code on Mac

If you see "Git authentication failed" when pushing or pulling in VS Code on a Mac, the p...

Fix PowerShell Permission Denied in VS Code

When you try to run a PowerShell script in VS Code and get a "permission denied" error, i...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...