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Learn how to use container units and container queries to enhance an already flexible sidebar layout with some extra design control and full width breakout elements.

What is OpenID Connect?

Guidelines for Maintainable Tests

It's not always clear how to make the most of partials and helpers in Rails and know when to put what code where. Regardless of the methods, we all still...

In episode #95 we focused on parsing text and converting hashtags and mentions into links. Now let's add an @ mentions dropdown to any text field, so that you can select a user that you want to men...

You must have used concerns in Rails. Did you know you can also use concerns for your routes? They allow you to declare common routes to be reused in other resources and routes. This post covers the basics of routing concerns, including what they are, how they work, and when you might need them.

Paul Ramsey has some great examples of Postgres network analysis and graph theory in this sample code for playing the Kevin Bacon game. Both pgRouting and recursive CTE are used to solve graphing relationships.

Since the dawn of computing, humans have sought to estimate how long it takes to build software, and for just as long, they've consistently failed. Estimating even medium-sized projects is devilishly difficult, and estimating large projects is virtually impossible. Yet the industry keeps insisting that the method that hasn't worked for...

Premature returning from a controller action is a common idiom in Rails applications. I asked my followers in Twitter about whether they know or know how to do this correctly, and I am glad to see that most of them gave the correct answer. Let’s dive into the details.

As Rails developers, we often focus on writing clean, efficient Ruby code. However, as the application grows optimizing database performance is equally crucial for creating responsive applications. One of the most powerful tools in our arsenal for database optimization is indexing. Here I will talk about PostgreSQL indexing from a Rails developer’s perspective. The query plan generated by EXPLAIN will help us to make informed decisions about index creation, ensuring our database queries run as efficiently as possible.

Performance issues in the PostgreSQL layer usually start to manifest only when your app reaches a certain scale. In this blog post, I'll discuss easy-to-miss database config tweaks and common problems that I've encountered in multiple Rails projects.

Let's look at a few readily available techniques and tools to gather and investigate issues in your Ruby or Rails app.

Migrating the Miru app from Sidekiq to SolidQueue eliminated the dependency on Redis, reducing costs by utilizing database for job storage.

Rails 7.2 uses the foreman gem for process management, which has serious limitations when it comes to interactive debugging. The run-pty Node package is an excellent alternative.

We'll explore the basics of HTTP caching, cache layers, configuration, and how to cache in Rails.

This article introduces the Ruby test profiling toolbox called TestProf.

Nested forms with Rails can now be done without using any third-party gem! Turbo Stream’s is all you need to add nested fields to any form you want.

Staff+ engineers have years of technical knowledge stored away, but often have their skills overlooked or undermined.

I’ll explain the differences and benefits of Turbo Streams vs Turbo Frames in this HTML-first, test-driven tutorial. Only one line of JavaScript needed!

Snake was one of my favorite games to play on my Nokia cell phone circa 2007, so I decided to rebuild it with modern frontend web tooling.

How to upgrade Ruby on Rails from 7.1 to 7.2, including the deprecations, required configurations, application code changes, and webpacker API changes.

Find out how to test accessibility in your Rails app to make it usable for everyone. Learn simple tools and methods to improve your app’s inclusivity and user experience.

A place to learn Ruby on Rails

Read about the tools, techniques, mindset that got our client 5X faster tests.

We explore several solutions to a common Hotwire problem.