Knowledge base for software setup, errors, and daily tool work.

Node.js --max-old-space-size Setup Guide for Memory Issues

If your Node.js process crashes with a JavaScript heap out of memory error, you likely need to ad...

How to Fix Cloudflare Error 521: Origin Server Unreachable

If you see Cloudflare error 521, your origin server is not responding to Cloudflare's request...

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 Nginx Upstream Connection Refused in Proxy Pass