Is Ruby dead? Hell no! - Analyzing RubyGems stats for 2016

Another year is behind us and many things have changed in the web development world - the number of JavaScript frameworks continues to grow, new programming languages are being developed faster than ever and people are still talking about the death of Ruby and Rails.

Ruby's Mysterious Triple Equals Operator, a.k.a. Case Equality Operator

You may have never used Ruby's triple-equals operator. But understanding it is key to unlocking the hidden power of `case`, `rescue` and other Ruby features.

How To Test Ruby CLI: The Setup

One of the most difficult tasks I met during Hanami development is to write integration tests for the Command Line Interface (CLI). 
This challenge required a deep knowledge of the Ruby toolchain. 

The Difference Between to_s & to_str In Ruby

A lot of people assume that to_s and `to_str` are the same methods, but the difference between them is actually quite major.

Rendering Ember components from Rails

Can we have Ember only in a part of our app? Or even is it possible to let Rails render only specific Ember components?

Rails + Postgres Array + ANY LIKE

In this short post I want to share my solution for the following problem: “find a record for which any of its tags contains a given string”.

The four indicators of a healthy Ruby On Rails project

Some projects are easy to analyze and the task just boils down to a look into a couple of classes, routes file, tests etc.; yet from time to time we realize that the actual problems might be harder to discover than we thought.

RethinkDB: why we failed

When we announced that RethinkDB is shutting down, I promised to write a post-mortem. I took some time to process the experience, and I can now write about it clearly.

Elixir for Rubyists

On the surface, Elixir and Ruby share a similar syntax. This familiarity may at first hide the striking differences between the two languages.

Holding a Program in One's Head

A good programmer working intensively on his own code can hold it in his mind the way a mathematician holds a problem he's working on. Mathematicians don't answer questions by working them out on paper the way schoolchildren are taught to.

pp_sql

Rails ActiveRecord SQL queries log beautifier