Build a SaaS App in Rails 8 is content complete

The book is content complete and is going through the process of making sure all the code samples, code ordering, etc is correct…along with some more grammer/editing. Check it out at:

Stop Using JS for Everything: Harnessing the Power of Pure CSS in 2026

I remember when building a simple dropdown menu or a sticky header required a library like jQuery…. [more inside]

When your code speaks Rails instead of the domain

I'm making a collectible limited-edition Ruby stained glass

Ever since I talked about my journey as a stained-glass maker turned developer on the IndieRails podcast, I’ve had this wild idea living rent-free in my head: what if I made a collector’s stained glass in tribute to Ruby?

RAG gives models memory.

Training gives them their nature. And when context becomes incomplete, the scorpion returns. My latest thoughts on local AI, Ruby, and why RAG isn’t a magic solution. #ruby #ai #ollama #rubyonrails [more inside]

rails-css_unused v0.2.1 — Find unused CSS classes in Rails apps, with smart dynamic

rails-css_unused is a static analysis gem that scans your stylesheets and all view files to report CSS classes that are defined but never used — no server required, no browser, pure file scanning. [more inside]

The Developer's Way to Track Traffic: Self-Hosting Ackee or Plausible

I recently took a long look at my Rails projects and realized I was carrying around a piece of… [more inside]

rails-tenantify — row-level multi-tenancy for Rails 7+

rails-tenantify adds row-level multi-tenancy to Rails 7+ apps — one database, one organization_id column, no external service. [more inside]

I Used Claude Code for 30 Days on My Rails App. Here's What I Learned

Spent 30 days using Claude Code as my primary AI assistant on a real Rails monolith. Not a toy app, not a tutorial project. [more inside]

I thought I needed a better AI model.

What I actually needed was better access to my own knowledge. [more inside]

Count, Length, or Size? Avoiding ActiveRecord Performance Traps

I remember when I first started with Rails, I thought .count, .length, and .size were exactly the… [more inside]

rails-persona — behavioral analytics for Rails models, no Mixpanel needed

rails-persona adds first-class behavioral tracking to any ActiveRecord model. Define trackable actions with a DSL, then query frequency, inactivity, leaderboards, and daily activity patterns — all in your own database. Supports async Sidekiq tracking and bulk inserts. A focused alternative to ahoy for model-level analytics. [more inside]

Implementing account-specific rate limits in Rails

How Rails Finds the View to Render

Rails does not render views by guessing filenames. It builds a template lookup query from the controller, action, format, variant, handler, and view paths, then asks Action View to resolve the best matching template. [more inside]

asgard v0.3.0 release Thor and Loki working for you!

I got tied of cussing the CLI task running that I’ve been using for a few years. It was good but it wasn’t Ruby. So I wrote my own. The power of The Mighty Thor for a great CLI experience with Loki managing the tricks of the trade. The power of Ruby endorsed by every mythical god of the higher realms. [more inside]

From ERB to Phlex: 5 Steps to Pure Ruby Views

I love Rails, but I’ve always found ERB to be a bit messy. You spend your whole day jumping between… [more inside]

View Primitives

I like the simplicity of traditional Rails apps and the component-based approach of ViewComponent, but I always felt the ecosystem was missing something like shadcn/ui. So I built View Primitives — a collection of reusable UI primitives powered by ViewComponent. Would love to hear your feedback.

UUID v7 vs. ULID: Which Sortable ID Should You Choose?

For a long time, if you wanted a primary key that was both unique and chronological, you reached for… [more inside]

Parse YAML 3x faster with rapidyaml bindings for Ruby

An impromptu lightning talk at Rubycon

Last week, I spent an extended weekend in Rimini, Italy, for the first edition of Rubycon. I decided to present an impromptu lightning talk to connect my reconversion story with the current trend of freezing hires of junior developers, and our responsibility as a community to offset/fight that trend.

Running local AI for Ruby development with Ollama, Aider, and VSCode.

No cloud APIs. No telemetry. No proprietary code leaving your machine. [more inside]

AI Didn't Create These Problems. It Just Stopped Routing Around Them.

Your codebase has gaps that only exist because the right people know to step over them. [more inside]

Stop Making Ugly Apps: Simple Tailwind Tricks for Backend Developers

I know the feeling of opening a blank index.html.erb file and having no idea how to make it look… [more inside]

Building user-customizable themes with Tailwind CSS

— Using OKLCH you can tweak one custom property, e.g. :root { --color-value: 60; } and get a UI in all the colours of the rainbow! 🌈😊

Inside Ruby’s OpenSSL stdlib:

how Ruby bridges native OpenSSL C APIs into elegant Ruby APIs powering HTTPS, TLS, certificates, digests, encryption, and secure communication across the Ruby ecosystem. [more inside]