Ruby on Rails 16

DHH and the Expanding Developer Toolbox

David Heinemeier Hansson is more excited about AI than he is about Rails. Where does Rails fit into this new world?

AI

September 28, 2026 • 3 min read

Tracking your AWS costs

Write yourself a daily, weekly, or monthly report with your AWS costs broken down more granularly than AWS’ monthly invoice.

January 17, 2020 • 3 min read

Minimum Viable Test Suite

Ensure your test suite doesn’t have any important holes in coverage by enforcing a simple rule.

July 24, 2016 • 2 min read

Loading Buttons archived

Converting action buttons into loading buttons is a common way for AJAX applications indicate that it’s waiting on the server to verify an action and respond.

July 14, 2016 • 2 min read

Progress Bars archived

How to create a progress bar using Ruby on Rails, AJAX, and Twitter Bootstrap.

September 8, 2015 • 2 min read

f.label and errors.full_messages

Why you should never use the explicit “content” parameter of label_tag or the form builder’s label method.

May 18, 2015 • 1 min read

Time Zones and datetime_select

A simple fix for using datetime_select and time_zone_select together.

May 12, 2015 • 1 min read

views/mailers directory

Avoid cluttering up app/views by moving mailer directories underneath a single parent.

March 4, 2015 • 1 min read

Mailing Lists archived

Mailing lists remain an effective way for groups to communicate. We’ll explore how to implement them in your Rails application to improve its overall user-ex...

February 21, 2015 • 5 min read

Beware ActiveRecord callbacks

ActiveRecord is a fantastically well-made ORM that makes working with databases a breeze, but one feature in the callback structure is incredibly bug-prone.

July 17, 2014 • 2 min read

Infinite Scrolling with AJAX archived

Ruby on Rails and jQuery team up to allow your visitors to scroll through all your content without initially loading them all.

June 16, 2014 • 2 min read

Finding Your Most Active Users

Google Analytics is normally used to track a website’s visitors and pageviews, but it can also track specific users, which can be invaluable information as y...

May 29, 2014 • 2 min read

Browsing Files & Directories in S3

Amazon’s S3 makes storing files easy but viewing directories isn’t intuitive. Let me explain how you can emulate a file structure using Plain-Old-Ruby-Objects.

April 16, 2014 • 2 min read

Ajax Toggle Buttons archived

How to create toggle buttons using Ruby on Rails, ajax, and unobtrusive javascript. Straight-forward and boring, just how I like it.

April 16, 2014 • 2 min read

The Tricky World of Using Web APIs archived

When your application interacts with the web a lot can go wrong. Working with Ruby on Rails over the last five years, I’ve seen a lot of them first hand, and...

March 15, 2012 • 4 min read

Protecting Yourself from Malicious params archived

The issues and solutions to making your application’s handling of user parameters secure by default, before Ruby on Rails offered an out-of-the-box solution.

Gems

March 14, 2012 • 3 min read