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Confession: I’ve always struggled to understand the difference between stubbing and doubles…

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Today we take a look at a Stimulus implementation for nested forms in Ruby on Rails 7. It's a bit of a follow-up to the cocoon video we did the other day.Che...

A practical guide on how you can build a pure-CSS direction-aware hover effect for your navigation menu bar using :has() pseudo-class.🔗 LinksCodepen Demo: h...

Something non-designers understandably struggle with is how to make things look good. One of those things is long form content that’s well set and readable. Luckily, CSS makes this easy, you just have to know what to change. That’s exactly what we’re going to teach you in this article.

If you find yourself wrestling with CSS layout, it’s likely you’re making decisions for browsers they should be making themselves.

For years, developers have passed around a set of styles like a magic incantation. It's time we made it a web standard.

Fixing N+1 issues is often the lowest-hanging fruit in optimizing a Rails app performance. However, for non-trivial cases choosing a correct fix could be challenging. Incorrectly applied eager loading does not work or even worsens response times. In this blog post, I describe tools and techniques I use to simplify resolving N+1 issues.

Compare git rebase with the related git merge command and identify all of the potential opportunities to incorporate rebasing into the typical Git workflow

Is it an Alert, Toast, Callout, Popup, Snackbar, or Notification?

Despite its strong opinions and powerful conventions, Rails is a highly flexible and configurable framework. If you don’t like something, there’s almost certainly a way to change it. This article provides a brief overview of configuring Rails applications and environments.

Understanding PostgreSQL views and materialized views is essential to fully grasp one of the most popular features in Timescale that will save you time and disk space: continuous aggregates.

Developers are passionate about their tools - sometimes to a fault. There is value in being open to change and new directions.

It's easy to get going with logging with Rails, but not so easy to master it. Discover how you can get the most from your logs.

It’s a popular internet recommendation to use eager loading in Ruby on Rails applications to eliminate the N+1 query problem. It may seem…

Let's dive into how Kredis works and how you can use it to store short-term UI state.

What is RailsEngine? A Rails engine is a self-contained piece of functionality that can be...

My team’s Managing Director and advisor on the project I’m working on, Kirsten, has noticed how reluctant I am in facilitating meetings 🤣 and running team retrospectives. So she subtly challenged me to come up with new ways of running a retro.

🎓 Start writing CSS with more confidence with one of my courses: https://kevinpowell.co/courses🔗 Links✅ Full list of filter effects: https://developer.mozi...

Calling freeze on an object may not provide the immutability you expect. Here we dig into some of freeze's nuances to explore a surprise of my own making I encountered working with ActiveSupport.

Learn how to effectively render tooltips in Rails without writing any JavaScript.

Rails protects your web application from CSRF attack by including an authenticity token in the HTML forms. This token is also stored in the user's session. Upon receiving a request, Rails compares these two tokens to decide if the request is verified.

7 techniques to increase the developer’s experience during a Rails console session

A close look at the process we used to make our version of Kanban nice and useful on mobile devices.

More 'things I forgot' - using create_with and where in making new records. We can make use of the resulting association to create new records that match our previous parameters.