Checklists for software errors, setup, and tool workflows.

How to Fix Git Detached HEAD Error

You run git status and see "HEAD detached at" followed by a commit hash. Thi...

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

Symptom

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

Fix Chrome Black Screen on Mac: Hardware Acceleration Issue

You open Chrome on your Mac, and the screen goes black—or parts of the page are garbled. This oft...

Fix Node Sass Build Failed GYP Error: Step-by-Step Guide

When you see "node sass build failed" with a "gyp error" during npm install, it u...

Fix VS Code Terminal Not Opening with Docker

If your VS Code terminal refuses to open when Docker is running or after installing Docker extens...

Docker Compose Ports Not Working: Common Fixes

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...