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

Docker Container Exits Immediately in Foreground Mode: Fixes

You run a Docker container with docker run -it myimage and it exits immediately. The...

VSCode Breakpoint Not Hit Due to Source Maps: Fix

You set a breakpoint in your TypeScript or React source file, start debugging, and the breakpoint...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Windows Defender Real-Time Protection Registry Fix Guide

If Windows Defender real-time protection won't turn on or keeps turning off, a registry fix c...

How to Use a Cloudflare DNS Propagation Checker Tool

After you change a DNS record in Cloudflare, it takes time for the update to spread across the in...

Fix Nginx Upstream Connection Refused in Proxy Pass