Ruby articles

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The inadequate guide to Rails security

Rails handles many security concerns out of the box, but even small applications face real threats from automated attacks, botnets, and malicious actors. This comprehensive guide covers eight critical vulnerability classes and shows you how to protect your Rails applications using the framework's built-in security features.

20 years of Rails deployments at RailsConf

At RailsConf 2025, I gave a presentation on the last 20 years of deploying in Rails. If you missed it, come check it out!

A Rubyist's guide to big-O notation

Big-O notation gives you insight into scaling. Uncover the meaning of things like O(N^2) and learn how to use these concepts to speed up your apps.

Managing PostgreSQL table partitioning in Ruby

PostgreSQL table partitioning is a great way to improve database bloat but is hard to manage. Honeybadger's pgpartitionmanager gem can help you maintain partitions.

Is No PaaS really a good idea for Rails?

Rails 8 promises to make it easier to deploy and host Rails apps, no-PaaS required. Jump in with us to see where it delivers and where it falls short.

Cool Ruby regex tricks

Ruby supports using regular expressions in lots of interesting ways that go beyond String#match. Check out this article to learn some uncommon Ruby regex tricks.

How to use Pry to debug Ruby apps

Understanding how a program behaves given certain inputs is hard enough for experienced developers. This article explores how to use Pry to debug Ruby apps.
  • A photo of Melissa Williams By Melissa Williams
  • Apr 2, 2025

Going deep on UUIDs and ULIDs

A chance conversation led me to the realization that the world of unique identifiers is larger and more wondrous than I ever could have imagined. In this post we discuss five types of UUIDs and their upstart cousin, the ULID. We explore what makes each of them special and when they may be particularly useful.

Better stability with Rails load testing in Apache JMeter

Every Rails app has a breaking point. Follow along and learn how to test your application's performance under load with the Apache JMeter's Rails load testing.

How to use Solid Cache in Rails

Learn how the database-backed Solid Cache gem can surprisingly outperform traditional memory-based caches in Rails.

Understanding the insertion sort algorithm in Ruby

There are lots of ways to sort data. Insertion sort is particularly interesting because it sorts the data in place and is pretty easy to understand. While most of us just use the #sort method, interviewers still love to ask questions about sorting algorithms and related topics like Big-O notation. In this post, you'll learn not only how insertion sort works but also how to implement it yourself in Ruby.

Rails async queries by example

Rails' 7+ released the ability to utilize multiple threads out of the box which can drastically improve the performance of your application. Read this article to learn how Rails async queries work and when to use them.

How Honeybadger migrated from Sidekiq to Karafka

Honeybadger recently migrated our background job processing from Sidekiq to Karafka. Dig in to see what we learned.

What's new in Ruby 3.4

From frozen string literals to default block parameters, Ruby 3.4 brings some nice improvements and changes. Jump in to learn what's new.

What's new in Rails 8

The latest release of Rails includes a ton of new options and defaults that making shipping applications without a PaaS even easier. Dig in to learn what's new in Rails 8.

Secure custom domains with Caddy

If you want to host custom domains for customers in your SaaS, you'll need to handle both DNS and SSL. Fortunately, Caddy can help with both. Read this article to learn how.

A practical GitHub Actions pipeline example with Rails

Continuous Integration is a vital tool for developing software, and GitHub Actions makes it easy to add to almost any project. Dig into this practical GitHub Actions pipeline example and learn how to setup Continuous Integration for a Ruby on Rails project.

The ultimate guide to Sidekiq scheduled jobs

Unlock the power of background processing in Ruby and Rails with Sidekiq. Learn how to effortlessly create, schedule, and manage background jobs with and without ActiveJob.

How Solid Queue works under the hood

Maybe you've used Solid Queue already, but how well do you understand it? In this article, we'll follow the journey of a Solid Queue job from enqueue to completion.

A practical guide to web scraping with Ruby

Web scraping with Ruby opens up a world of possibilities. Would you like to get a text message when something gets restocked online? Dig into this article, where we'll solve a practical shopping problem in Ruby with web scraping!

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