Checklists for software errors, setup, and tool workflows.

How to Recover from a Detached HEAD in Git After a Rebase

You're in the middle of a rebase, you see a message like 'detached HEAD', and you'...

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

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

fatal: Unable to create &#...

Fixing Python Memory Errors When Processing Large Files in Parts

When you try to process a large file (e.g., multi-GB CSV, log, or binary) in Python, you might hi...

Python Requests: Setting Timeout for POST Requests

When your Python script makes a POST request to an external API or web service, a slow or unrespo...

Fix VS Code Terminal Not Opening PowerShell

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...