Software comparisons, alternatives, and tool decision notes.

Understanding Git Merge Conflict Markers: A Practical Guide

When you merge branches in Git, you may encounter conflict markers in your files. These markers s...

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

Symptom

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

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

Docker Desktop Engine Stopped: Fix Firewall Block

If Docker Desktop shows “Engine Stopped” and you suspect a firewall block, here’s how to diagnose...

Fix 'docker network not found' Error on Mac

If you're on a Mac and Docker returns network not found when you try to run or i...