In this episode I explain the Hanami architecture related to views rendering, by using Hanami View, Hanami Actions and templates, to list articles for a blog applicaton.

Your code creates millions of Ruby objects every day, but do you actually know what happens to these objects?

In this talk, we’ll walk through the lifespan of a Ruby object from birth to the grave: from .new to having its slot reallocated. We’ll discuss…

As you grow your Rails app, is it starting to slow down? Let’s talk about how to identify slow code, speed it up, and verify positive change within your application. In this talk, you’ll learn about rack-mini-profiler, benchmark/ips, and performance optimization…

When we learn to code, we focus on writing features while we understand what the code is doing. When we debug, we don’t understand what our code is doing. The less we understand, the less likely it is that our usual programming mindset—the one we use for…

Learning to code is an individual journey filled with highs and lows, but for some, the lows seem far more abundant. For some learning to code, and even for some professionals, it feels like we're struggling to tread water while our peers swim laps around…

Hotwire enables realtime activity in our Rails application with very little Javascript. We'll build a realtime customer support application in just a few minutes using Hotwire for realtime updates and ActionMailbox for handling inbound emails.

DHH stunned the Rails world with his announcement of Hotwire from Basecamp. Even folks in the non-Rails web-development community took notice.

In this talk, you will learn about the building blocks of Hotwire and how they compose to create a streamlined…

Everything is cyclical, and web development is not an exception: ten years ago, we enjoyed developing Rails apps using HTML forms, a bit of AJAX, and jQuery—our productivity had no end! As interfaces gradually became more sophisticated, the "classic" approach…

How to enable jemalloc on Heroku for Rails apps

We take a look at whats new in Postgres 14, with idle and active connection scaling, memory monitoring, query IDs and more

I’ve wondered Why Rails becomes slow with JIT for a long time. Today, I’m pleased to share my answer to the question in this article, which…

ActiveJob in Rails 7 allows a range to be passed as an argument to perform method.

Ruby lets you express yourself like few other languages, with a minimum of boilerplate. It's fantastic until it isn't. Until one day when you think you're calling the `foo` method you wrote last week, but instead, you...

Ramblings from The Gnar Company team on all things tech, culture, and process.

Sorbet is now deeply integrated into our Rails app. That’s great.

Learn how to create and implement a row level security policy in Rails, allowing to limit the database rows a user can access.

Hi, zzak here! お久しぶりです! This time I will be recapping the past month or so of Rails. Hang on! There’s a ton of stuff to catch up on!!

Nobody likes to be the one to pick through your pull request for style guide and security violations. Here's how to ask robots to do the work for you, automatically!

Ruby's flexibility has always been both its greatest strength and its greatest weakness. You can write amazingly expressive programs. You can also slip and break them ...