Codeminer42's Engineering Blog
The Miners

How Far Can AI Self-Validate Rails Code?
A few weeks ago, I wrote Stop Reading AI Code, Start Measuring It: A Rails Playbook. The idea there was that if you stop hand-reviewing every line of AI-generated code,…
What Puma, Falcon, and Pitchfork teach you about Ruby concurrency
I went on a tour of Ruby concurrency while preparing a RubyConf talk on Ractors. Going in, I knew Puma, Falcon, and Unicorn. Coming out, I'd added Pitchfork to that…
My First Two Weeks as an Agentic Engineer
There's a version of this post where I tell you AI made me 10x more productive, everything clicked on the first try, and I'm now shipping software while sipping coffee…
AI TIP: Plan Mode into PRD/ERD as Session Handoffs
Plan Heavy with Claude: Plan Mode, DDD, and PRD/ERD as Session Handoffs If you've used Claude Code on anything bigger than a weekend project, you've hit this wall: you're three…
How to configure Claude Code for any language
I mostly work with TypeScript and GDScript, but lately Claude Code has been pulling towards new horizons with Elixir and Rust projects, which I'd never touched before. This post is…