Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you see npm ERR! enoent ENOENT: no such file or directory, open '.../package.json&...

Fix Chrome High Memory Usage on Windows 10
If Chrome is slowing down your Windows 10 PC, high memory usage is often the culprit. You might n...

Fix Nginx Configuration Test Syntax Errors
When you run nginx -t and see syntax error, the nginx service will ...

Fix VSCode Source Control Not Detecting Changes
You're working in Visual Studio Code, you edit a file, but the Source Control view shows no c...

Fix Node.js Out of Memory When Building React Apps
When building a React app, you might see a fatal error like FATAL ERROR: Ineffective mark-c...

Fix Nginx Configuration Test Failure After SSL Setup
You've just added SSL certificates to your Nginx server block, but nginx -t retu...