Checklists for software errors, setup, and tool workflows.

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Fix 'git remote origin already exists' Error on Mac

If you see fatal: remote origin already exists when trying to add a remote repositor...

Fix Missing Taskbar Icons After Uninstalling a Program

You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...

Fix Missing Taskbar Icons in Windows Notification Area

You look down at the notification area (system tray) and an icon you rely on—like volume, network...

Fix Git Push Rejected Non-Fast-Forward After Pull

You run git pull, then git push, and get: ! [rejected] non-fast-f...

Fix Externally Managed Error: Create Virtual Environment
If you're on a modern Linux distribution and try to install a Python package with pip, you ma...