Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...

You run npm install or npm start and get an error like ENOENT: no...

Fix ERR_CONNECTION_RESET by Clearing Browser Cache
When you see the ERR_CONNECTION_RESET error in Chrome, it usually means the conn...

Git Merge Conflict: How to See the Diff Between Versions
When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Fix pip Externally Managed Environment on Debian 12
If you're on Debian 12 and get error: externally-managed-environment when using ...