Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're browsing in Firefox on Windows 10 and get a full-page error: Secure Connection Fai...

Fix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...

Fix npm 'package.json not found' Error in Subdirectories You're working in a subdirectory of your project, run npm install or npm r...

Fix VS Code Terminal Not Opening Due to Settings You click the terminal panel icon in VS Code, but nothing happens. The panel doesn't slide up...

How to Use Chrome's Built-in Memory Cleanup Tool If Chrome is eating up your system memory and slowing everything down, you don't need third-p...

Checklist for Pushing Large Files with Git You've likely hit this: you try to push a commit, and Git rejects it because a file is too la...