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

npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...

VSCode IntelliSense Not Working for Dart/Flutter: Fixes

You're writing Dart or Flutter code in VSCode, but IntelliSense (autocomplete, suggestions, g...

Fix Python Permission Denied When Running pip install -r requirements.txt

Python Memory Error When Processing Large Files: Troubleshooting Checklist

You're running a Python script that reads a large file—maybe a CSV with millions of rows, a l...

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6

If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...