Build a powerhouse Retrieval-Augmented Generation (RAG) system with Ruby On Rails

I'm releasing strftime_roulette, a Ruby gem that adds a strftime_roulette method to Date and Time objects. Every call returns a randomly formatted string. That's it. That's the gem.

How I built a real-time voice agent using Gemini 2.0 and injected dynamic Spotify API data into its context window.

What I learned building an app that interfaces with Apple's Foundation Models AI.

I’ve been building a Hotwire Native iOS app with a Rails backend and recently created a custom bridge component called ApproachMapBridgeComponent. The goal was simple: when users click a button in the web view, it should open a native map modal in the iOS app. But instead of a working feature, the button did absolutely...

I'm working on a Hotwire Native iOS app, and I wanted the app to have that slick new Liquid Glass tab bar, which means that is is completely transparent and the content flows under and below the bottom tab bar. Here's how I updated my existing tab bar to have the modern Liquid Glass UI...

Rails 8 introduced a subtle but significant change to the stringify_keys method in ActiveSupport. Previously, stringify_keys only converted symbol keys in a hash to strings, leaving other key types such as integers untouched. Starting with Rails 8, the method converts all keys to strings, including numeric and other non-symbol keys. While this change simplifies behavior...

If you ended up on this page, you are either reading my technical blog or have been forwarded here via a domain name that I own...

As a professional Ruby on Rails developer based in Boston, I bring over a decade of professional experience building, scaling, and modernizing web and mobile applications. My work has consistently centered on solving complex technical challenges while keeping products elegant, maintainable, and fast. In my current role, I help lead the modernization of a mission-critical...