Checklists for software errors, setup, and tool workflows.

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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 npm run build Failed on Windows: Common Causes and Solutions
When you run npm run build on Windows and it fails, the error message can be cryptic...

Activate Python Virtual Environment in VS Code
You've created a Python virtual environment but can't get VS Code to use it. The terminal...

Fix Docker Desktop Engine Not Running on Windows
You open Docker Desktop on Windows, see the whale icon stuck in the system tray, and the engine s...

Fix Chrome Black Screen with Hardware Acceleration and Zoom
If you're seeing a black screen in Chrome after zooming in or out, especially with hardware a...

Fix Nginx Upstream Connection Refused Socket Error
When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Checklists for software errors, setup, and tool workflows.

Latest checklists

Git Fatal: Refusing to Merge Unrelated Histories – Workaround

Fix npm run build Failed on Windows: Common Causes and Solutions

Activate Python Virtual Environment in VS Code

Fix Docker Desktop Engine Not Running on Windows

Fix Chrome Black Screen with Hardware Acceleration and Zoom

Fix Nginx Upstream Connection Refused Socket Error

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