Programming Tutorials

Your Rails Transaction Rolled Back. What Happened to the API Call, Email, or Job?

We are told that to scale Ruby background workloads across multiple CPU cores, we have two choices: process forking (e.g., Pitchfork) which incurs mas

When upgrading an old Rails app, I want to know what will block the upgrade before I start changing versions. I built rails-preflight to find those b

Diving back into Ruby on Rails 🖥️ Creating models in the terminal 🗺️ Routes 🔌 API 🧩 Microservices ☕ A lot of coffee bin/rails generate

There's only 4 weeks left to get tickets and they're selling fast. Come to access networking sessions, join community events, and catch talks by Iri

We launched a complete Shopify store in 24 hours: 10 products, mobile-first design, card + PayPal checkout — and we tested the full purchase path befo

Some time ago I decided to give Go a go, being used to mostly dynamic/interpreted languages, mainly Ruby, I thought the transition was going to be har

Hotwire Marten: Updating Just the Parts That Changed

The Smart Rubyist #1: I prefer to be in the top 10% developers who train AI with new ideas https://andymaleh.blogspot.com/2026/10/the-smart-rubyist-1

TL;DR Our Rails app's p95 response time had crept from 280 ms to 1.4 s over a year, and nobody could say why. I paired with Claude Code for

If an Active Admin backend works but still looks like a default admin panel, a theme gem can improve the interface without forcing a full frontend rew

This is a submission for the Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass What I Built AI knows a lot about mountains. My G

I started building MAF because I wanted to make AI more reliable and spend less on it. My idea was simple: use a paid claude based model for complex

If an Active Admin interface works but still feels like an internal tool from another decade, replacing the entire admin stack is usually too expensiv

A follow-up to my previous two posts on connecting a ZK fingerprint device to Rails. This one is about what actually broke in production, how I found

Two of the most common places Perspective API hides are a Discourse forum running the official discourse-perspective-api plugin, and a Coral Talk comm

Hi everyone, I'm a Rubyist and I've been building Enkihost, a hosting platform focused on Ruby and Rails apps. The idea is simple: something between

🚀 Elasticsearch + Ruby on Rails: Beyond Database Queries Ever noticed how searching millions of records can become slow and frustrating? When your a

I'm Hiroshi Shibata (hsbt), a Ruby committer and the lead maintainer of RubyGems and Bundler. TL;DR RubyGems and Bundler 4.1.0.beta2 shipp