Stop using DateTime in 2026 (unless you work for UNESCO)

… and check why 5600+ Rails engineers read also this

#Ruby on Rails
Added: 20 Jan 2026
Rails 8.1 introduced except_on option for validations and callbacks

To skip validations for particular contexts, Rails added `except_on` option for validations and callbacks.

#Ruby on Rails
Added: 20 Jan 2026
My AGENTS.md file for building plans you actually read

Here are the key rules from my AGENTS.md file that make plan mode effective.

#AI
Added: 19 Jan 2026

This is my personal site, where I write about Ruby, programming, and any of my varied fascinations.

#CSS
Added: 19 Jan 2026
Inertia.js in Rails: a new era of effortless integration—Martian Chronicles, Evil Martians’ team blog

We want to make Inertia.js more popular within the Rails community, so we've started a project to provide both Rails-specific community docs and a set of tools for simply integrating Inertia into Rails apps.

#Javascript#Ruby on Rails
Added: 19 Jan 2026
Introducing CSS Grid Lanes

It’s here, the future of masonry layouts on the web!

#CSS
Added: 16 Jan 2026
Rapid prototyping with Claude Code: How we transformed our design sprint process

We’ve been running product design sprints for over a decade. Now Claude and Claude Code are helping us prototype faster than ever—without sacrificing quality. Here’s how we built a working prototype in hours, not days.

#AI#Design
Added: 16 Jan 2026
PostgreSQL as a Graph Database: Who Grabbed a Beer Together? · Taras Kloba

My name is Taras Kloba, Chief Partner Architect at Microsoft. This blog captures my journey through data engineering, certifications, and technology insights.

#postgres#database
Added: 16 Jan 2026
Build a File Deduplication System with ActiveStorage

Stop storing duplicate files. Learn how to detect identical uploads and reuse existing blobs to save storage costs and speed up uploads.

#Ruby on Rails#Tutorial
Added: 16 Jan 2026
Build a Feature Flag System in 50 Lines with Rails.app.creds

Skip the SaaS subscription. Rails 8.2's credentials system is all you need for feature flags - version controlled, environment-overridable, and free.

#Ruby on Rails
Added: 16 Jan 2026
Easy CloudFlare Tunnels With Rails

Set up a persistent HTTPS subdomain on your own domain for local Rails development. Perfect for testing webhooks, OAuth callbacks, and sharing work in progress.

#Ruby on Rails
Added: 14 Jan 2026
Which programming languages are most token-efficient?

Comparing token efficiency across 19 popular programming languages using RosettaCode data - from Clojure to C, there's a 2.6x difference.

#AI
Added: 14 Jan 2026
Exploring Rails Action Cable with Solid Cable

Learn how to use Rails Action Cable without Redis! Follow along and build a Solid Cable application with real-time features.

#Ruby on Rails
Added: 11 Jan 2026
One Year of Bootstrapping a Profitable AI SaaS on a Side

My journey on how to build a side project and not quit until it pans out

Added: 10 Jan 2026
Rails 8.2 introduces Rails.app.creds for unified credential management

Rails 8.2 adds Rails.app.creds to provide a unified API that checks environment variables first, then falls back to encrypted credentials.

#Ruby on Rails
Added: 7 Jan 2026
How a ÂŁ20 mirror solved a ÂŁ35,000 engineering problem (and why you, a Product Founder, CTO or Head of R&D should care)

Spoiler, the product wasn’t the problem. It was the customer experience. This is the mindset shift that will save you money, and keep your revenue recurring.

#Product Development
Added: 5 Jan 2026
Access Bearer Tokens Directly from the Request in Ruby on Rails

The new bearer_token method on the Request object is a nice addition to Rails. It removes boilerplate code and simplifies bearer token extraction. All Rails apps can now access bearer tokens the same way without having to write custom token extraction logic every time and worrying about edge cases.

#Ruby on Rails#Authentication#Backend
Added: 30 Dec 2025
Your legacy software is a ticking bomb

Tick tock… Act now, or this mess might blow up in your face.

#Consulting
Added: 30 Dec 2025
Ruby at the Front Line of Disaster Prevention

Ruby at the Front Line of Disaster Prevention December 26, 2025 How Tokyo Gas Uses Ruby to Protect Millions of People During Earthquakes Based on the RubyWorld Conference 2025 presentation by Maika…

#Ruby
Added: 27 Dec 2025
Tricks to work around nested form elements, for Rails | Island94.org

Tricks to work around nested form elements, for Rails

#Ruby on Rails#HTML
Added: 21 Dec 2025
My HTML Web Component boilerplate for 2026

My digital garden has an entire section with copy/paste code snippets and boilerplates. I use these nearly every day when writing code. It helps me start working faster, and saves me from having to rewrite the same code over-and-over again. I created web component boilerplate years ago. Since then, my approach to writing web component has changed quite a bit. I just updated the boilerplate, adding everything I’ve learned from working on Kelp UI.

#Frontend#HTML
Added: 19 Dec 2025
Add snow to your app with Stimulus

Let’s build a fun snow effect for your Rails app using a single Stimulus controller.

#Ruby on Rails#Frontend#Design
Added: 19 Dec 2025
Hotwire Native deep dive: Native Polish

Practical ways to make your Hotwire Native app feel right at home on iOS and Android.

#Ruby on Rails#Authentication#HOTWire#Native
Added: 19 Dec 2025
The Arrange/Act/Assert pattern

Organizing tests for readability.

#Ruby on Rails#testing
Added: 16 Dec 2025
Beautiful Rails confirmation dialogs (with zero JavaScript)

Upgrading the default data-turbo-confirm with a beautiful, native HTML dialog with animations

#Ruby on Rails#Tutorial
Added: 15 Dec 2025
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