Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open a file or run a task in VS Code and see Error: EACCES: permission denied, open ...

Fix 'node sass build failed' During npm install
When running npm install, you might see an error like "node sass build f...

Fix Nginx Config Test 'Permission Denied' Error
Running nginx -t and seeing 'permission denied' can stop you from reloading ...

Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

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...