Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You set a breakpoint in VSCode, start debugging, and execution passes right through it. The debug...

If you're editing C++ code in Visual Studio Code and IntelliSense stops working—no auto-compl...

You try to run docker compose up and get an error like port is already allocat...

Git Fatal: Refusing to Merge Unrelated Histories – Workaround
You try to merge two Git branches and get this error:
fatal: refusing to merge unre...

Fix 'port already allocated' for Nginx in Docker Compose
You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

Nginx Configuration Test Failed: Fix Server Block Errors
When you run nginx -t and see "test failed" with a server block error, it us...