Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Explorer keeps restarting and you see error 0xc0000005, it usually means a critical pr...

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

If you work with Docker regularly, you've likely seen the dreaded "no space left on devic...

You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Fix Nginx Upstream Connection Refused Socket Error
When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix VSCode Breakpoints Not Hitting in TypeScript
You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...