Checklists for software errors, setup, and tool workflows.

Fix Git Push Rejected Non Fast Forward Rebase Error

If you see ! [rejected] and non-fast-forward after a rebase, it means y...

Fix Git Clone Connection Timed Out Due to Proxy Settings

You run git clone https://github.com/example/repo.git and after a long pause you get...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix VS Code Terminal Not Opening with Node

You open VS Code, try to start the integrated terminal, and it either doesn't appear, flashes...

Git Merge Conflict Auto Resolve Not Working: Common Fixes

You run git merge expecting conflicts to be resolved automatically, but instead you ...

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see:

fatal: Unable to ...