Spy vs Double vs Instance Double

When writing tests for services, you may sometimes want to use mock objects instead of real objects. In case you're using ActiveRecord and real objects, your tests may hit the database and slow down your suite.

The Ruby Community and Reputation

Fabio Akita shares his thoughts on current state of ruby community.

Avoid using exceptions for flow control

At first glance it may seem ok to user exceptions for flow control, but it’s not. Some would say because “exceptions are expensive” (in terms of performance), what is true but this is not the only reason.

My Rails Models Are Bloated. Should I Use Concerns?

tl;dr Probably not. It’ll just make the code worse.

How to Setup Solr on Rails with Sunspot

Solr is the incredibly powerful search solution from Apache. In this article, I’ll show you how to set it up do a basic search.

New framework defaults in Rails 5 to make upgrade easier

Rails 5 adds feature flags for all the breaking changes to make upgrade process easier.

What kind of tests should I write as a software developer?

In this article Pawel Niewiadomski shares his approach to testing.

Microservices: Real Architectural Patterns

A dissection of our favorite folk architecture.

Zchannel.rb

Provides a high level and easy to use API for sending objects between Ruby processes.