Checklists for software errors, setup, and tool workflows.

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Latest checklists

If you click the terminal panel in VS Code and nothing appears, or it opens but stays blank, the ...

You run npm install and see: engine "node" is incompatible with this m...

Docker Compose .env File Not Loading: Common Fixes
You set environment variables in a .env file next to your docker-compose.yml

Fix npm run build Failed with PostCSS Error
You run npm run build and see a PostCSS error. This often happens after updating pac...

Fix PyCharm Virtual Environment Not Activating
When you open a terminal in PyCharm and see the base Python interpreter instead of your virtual e...

Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...