Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git merge --abort to cancel a conflicted merge, but Git responds with someth...

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

How to Fix npm Run Build Failed Error
If you see "npm run build" fail with a generic error message, you're not alone. The i...

How to Enable Chrome Extensions That Aren't Loading
You open Chrome and see a grayed-out extension icon. Clicking 'Enable' does nothing, or t...

Fix Node Version Incompatibility When Running npm install
You run npm install and get an error like engine "node" is incompatibl...

How to Recover Stashed Changes in Git Detached HEAD
If you've stashed changes while in a detached HEAD state in Git, you might worry they're ...