Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're in the middle of a git merge, and instead of the usual conflict markers, you see

You try to run an npm command and get an error like ENOENT: no such file or directory, open...

Fix Chrome Memory Spikes When Watching Videos
You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Nginx Permission Denied After Restart: Fixes That Work
After restarting nginx, you might see errors like connect() to unix:/var/run/php-fpm.sock f...

Fix Git Clone Timeout in VS Code: Practical Steps
You're trying to clone a repository in VS Code, but the operation times out. This often happe...