Checklists for software errors, setup, and tool workflows.

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Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix VS Code Git Auth Failed with Personal Access Token

If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

Fix Nginx Configuration Test Failure After Adding Proxy Pass

You add a proxy_pass directive to an Nginx server block, run nginx -t, ...

Fix Git Stash Error: index.lock File Exists

You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...

Chrome Extensions Not Loading from Web Store: Fix Guide
You click “Add to Chrome” on the Web Store, but nothing happens, or the extension never appears. ...