Checklists for software errors, setup, and tool workflows.

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

How to Create a New Branch from a Detached HEAD in Git

If you see a message like "You are in 'detached HEAD' state" in Git, it means you...

Chrome Memory Use Too High on Mac? Here's How to Fix It

If your Mac slows down when Chrome is open, or you see high memory usage in Activity Monitor, you...

Fix 'Permission Denied' When Installing Python Packages Without sudo

If you see "Permission denied" when running pip install, you're not alon...

How to Fix Chrome Memory Hogging on Windows and Mac

You open Chrome, and your system slows to a crawl. The fan spins up, apps lag, and Task Manager s...