Checklists for software errors, setup, and tool workflows.

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

How to Reset Microsoft Edge Sync Settings

If your bookmarks, passwords, or other data aren't syncing in Microsoft Edge, resetting the s...

Fix node-sass Build Failed: node-gyp Rebuild Error

If you see node-sass build failed with node-gyp rebuild in your termina...

Fix Python Memory Errors on Mac with Large Files

If you’re seeing a MemoryError in Python on your Mac while trying to load or process...

Fix Error 0x80070005 in Windows 10 Update

When you try to install a Windows 10 update, you may see error 0x80070005 with a...