Concurrency in Ruby 3 with Guilds

At Ruby Kaigi 2016, Koichi Sasada — designer of the current Ruby virtual machine and garbage collector — presented his proposal for a new concurrency model in Ruby 3. The result was a proposal for a new concurrent and parallel mechanism called Guilds.

How to dispel Ruby magic and understand your gems

When you build Rails apps, you’ll use piles of gems. Some of them seem totally magical! But how does that magic happen?

Sharing models between Rails Apps - Part 1

"Build a microservice and expose an API." That would be the quick answer if you ask any developer how to share business logic between applications. Although it makes sense in many number of situations, it's not a good answer all the time.

Parallel rendering in Rails

In this post, I will focus on the parallel rendering. Yes, that's right, parallel rendering in Rails. Although, it may sound advanced the concepts behind it are extremely simple. This post however is only relevant to web page rendering.

The SQL Alternative To Counter Caches

The counter cache feature has been in Rails since the early days. It is a strategy to efficiently display a count of related records for each item in a list.

Using Phoenix with Legacy Rails Applications

I love writing Elixir and Phoenix, but many of my clients have existing legacy Rails applications that have been running in production for years. Doing a full rewrite of all of their systems at once is time-consuming, expensive and potentially dangerous.

Embrace your inner Project Manager

Like any growing software company, we here at Greenhouse have technical debt. Face it: we all do. In our quest to reduce it, we recently completed an upgrade of our main software from Rails 3.2 to Rails 4.2.

counter_culture

Turbo-charged counter caches for your Rails app.