Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Cloudflare DNS Propagation: How to Check and Fix Delays

When you change DNS records on Cloudflare, propagation can take longer than expected. This articl...

Fixing VSCode IntelliSense Not Working for Go

You open a Go project in VSCode, start typing, and get no autocompletions, no hover info, no erro...

Fix Windows Explorer Restarting After Crash

If Windows Explorer (explorer.exe) crashes and then keeps restarting, you may see the desktop fla...

Git Detached HEAD Warning Explained: Causes and Fixes

You see a warning: "You are in 'detached HEAD' state." This happens when you chec...