Checklists for software errors, setup, and tool workflows.

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Git Push Rejected Non Fast Forward: How to Fix

You run git push and see: ! [rejected] main -> main (non-fast-forward)

Fix Chrome ERR_CONNECTION_RESET Due to Proxy Settings
You're browsing in Chrome and suddenly pages won't load, showing ERR_CONNECTION_R...

How to Create a New Branch from a Detached HEAD in Git
If you see a message like "You are in 'detached HEAD' state" in Git, it means you...

Python Virtual Environment Not Activating on Mac: Fixes
You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Fix VSCode Source Control Not Detecting Changes
You open the Source Control panel in Visual Studio Code, expecting to see your file changes, but ...

Fix Node.js Heap Out of Memory When Processing Large JSON Files
If you're seeing FATAL ERROR: Ineffective mark-compacts near heap limit Allocation fail...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Git Push Rejected Non Fast Forward: How to Fix

Fix Chrome ERR_CONNECTION_RESET Due to Proxy Settings

How to Create a New Branch from a Detached HEAD in Git

Python Virtual Environment Not Activating on Mac: Fixes

Fix VSCode Source Control Not Detecting Changes

Fix Node.js Heap Out of Memory When Processing Large JSON Files

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