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

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Setting Timeouts on Python Requests GET: A Practical Guide

When your Python script makes a GET request and the server is slow or unresponsive, the script ca...

Fix Chrome Black Screen Flickering from Hardware Acceleration

If Chrome shows a black screen or flickers when watching videos, scrolling, or opening menus, har...

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

Symptom

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

Fix npm ENOLOCAL Error: package.json Not Found on Windows 10

You try to run an npm command and get an error like ENOENT: no such file or directory, open...