Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

You run npm run build on your Linux machine and see Permission denied. ...

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

Fix VS Code Breakpoint Not Hit in Express App
You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Fixing VSCode IntelliSense Not Working for Go
You open a Go project in VSCode, start typing, and get no autocompletions, no hover info, no erro...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround
You try to merge two Git branches and get this error:
fatal: refusing to merge unre...