Software comparisons, alternatives, and tool decision notes.

docker compose set environment variable from file

When running Docker Compose, you often need to pass environment variables to your services. Hardc...

Fixing Cloudflare 521 Error: Origin Unreachable

When you see Cloudflare error 521, it means your origin server is refusing the connection from Cl...

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

Symptom

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

Fix Nginx Configuration Test Failure from Rewrite Rules

You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

VSCode Breakpoint Not Working? Here's How to Fix It

You set a breakpoint, start debugging, but the code runs past it without stopping. This is a comm...

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...