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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 […]

It’s all about databases in this edition!

I develop a lot of webapps locally, often at the same time. For Ruby-only applications, puma-dev is by far the most convenient way to handle the situation. A single setup command gets you a lot out of the box:

Learn about dark patterns and ways of spotting them, no matter the type of the pattern apply. We will shed the light for you.

Hi, this is Greg, bringing you the first edition of the Rails Tricks newsletter. Thank you for subscribing! I hope you will learn a few things over time.

I started this iteration of my blog because I grew dissatisfied with Medium. Like anyone migrating from any one platform to another I requested an export of ...

a bliki entry for Slack

Speaking at conferences can be a daunting task, and I am not here to deny that. But beyond that daunting task lies a bunch of benefits. Through this post, I am trying to shed light on some of those benefits and how you can make the task of speaking at...

Learn Ruby on Rails with the bootcamp-style Learning Path from GoRails

As your document or response size increases , it can result in much slower response time, lets look into some practices to make it faster.