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Have you ever wanted to create a hash where you could access the values like methods on an object? The OrderedOptions class in Rails lets you do just that. This post shows you how. We'll also explore how Rails implements this feature using Ruby's metaprogramming features.

Caching might seem a perfect solution to speed up slow database queries. However, caching in Rails apps can be easily misused, leading to poor maintainability or even slower performance than without it. In this blog post, I'll discuss the common pitfalls of caching SQL queries in Rails apps. I'll also describe my toolkit for assessing the cacheability of database queries and techniques for reducing the cost of caching infrastructure.

Generate OpenAPI schema from RSpec request specs. Contribute to exoego/rspec-openapi development by creating an account on GitHub.

This is a little reference of tools to help you detect n+1 queries on a rails app. Bullet Prosopite n plus one control strict loading Rack mini profiler

There are a few different ways to memoize complicated chunks of code in Ruby. Here's why .tap is my personal favorite.

Build an alpha color system without splitting out channels using this one neat trick.

Stripe Connect provides a suite of tools and APIs that allow you to create, manage, and scale your...

Learn how to use Rails' Action View Layouts by implicitly choosing them based on your controller's inheritance chain.

Do you need an efficient algorithm that checks a date range overlapping with some denoted set of date ranges? This article explains how to solve this problem with a subtle approach.

What a flaky test is and why they’re hard to fix A flaky test is a test that passes sometimes and fails sometimes even though no code has changed. There are several causes of flaky tests. The commonality among all the causes is that they all involve some form of non-determinism: code that doesn’t always […]

Use monkey patching to revert database changes in Rails mailer previews.

Effectively parse CSV with Ruby

Create forms that are easier for people to use

Stepping into a leadership role invites a whole host of new demands. So, how do you aptly prioritize them?

Imagine that you need to query for the records created in the “week before” of a given date. How would you do it?

Do you want to build powerful admin interfaces with little code, but you are not sure if you want to jump into a full admin solution like Active Admin, Administrate or Avo? Here I want to show you an alternative! A step by step guide to build a dynamic...

Let's explore some options to implement audit logs, including PaperTrail, Audited, AuditLog, AppSignal, and a custom implementation.

Level up your Rails controllers by extracting business logic into reusable, testable, and more organized code units. Learn how in this…

Understanding the difference between these window functions in SQL

Is it possible to do this without setting up a whole separate React app externally and making your Rails app support API requests from the front-end? It sure is. React is just JavaScript after all, even if you have to go through a transpilation step or two. Let’s go through a small example to see how this might be done.

Introducing Ruby Bytes, a toolkit to build, install and deploy Ruby and Rails application templates.

Feature flagging is a widely adopted technique used in software development that enables developers...

Did your organization decide to sunset your Rails application? Our team has developed a comprehensive approach to safely decommission your Ruby on Rails app.

Learn what sharding is, how sharding works, and some common sharding frameworks and tools.

Since the beginning, GitHub.com has been a Ruby on Rails monolith. Today, the application is nearly two million lines of code and more than 1,000 engineers collaborate on it daily. We deploy as often as 20 times a day, and nearly every week one of those deploys is a Rails upgrade. Upgrading Rails weekly Every […]