Software comparisons, alternatives, and tool decision notes.

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Resolving Git Merge Conflicts in package-lock.json

If you work on a Node.js project with multiple contributors, you've likely seen a merge confl...

Git Detached HEAD: Practical Checklist and Fixes

You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Fix Windows 11 WiFi Connected but No Internet After Sleep

You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

network "my...