Software comparisons, alternatives, and tool decision notes.

Fix VSCode Breakpoints Not Hit in launch.json

You set a breakpoint in Visual Studio Code, start debugging with a launch.json confi...

Docker Compose ENV Not Passed to Entrypoint: Fix

You define an environment variable in your docker-compose.yml, but when the containe...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

Fix Cloudflare Wildcard Subdomain Not Resolving

You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...

Fixing Python Memory Errors When Generating Large Files

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

Fix Git 'index.lock' File Exists Error on Linux

When working with Git on Linux, you might see an error like:

fatal: Unable to creat...