download

TC Disrupt Hackathon 2014

It hasn’t took us too long to get back to yet another TechCrunch Disrupt Hackathon contest. We’re eager to hack some cool ideas, so just couldn’t miss another chance to participate. Previous time, in Berlin, we’ve presented SlowTrip project and Continue

pitfall

Pitfalls of Rspec boolean matchers

Rspec provides a bunch of build-in matchers. They include matchers that help us work with boolean values. But not always these matchers are safe to use. be_true and be_false matchers I guess everybody used RSpec matchers be_true and be_false. There Continue

ruby_time

Time comparison in Ruby

I believe every ruby developer has faced time comparison issue at least once and tests are one of the possible areas where it may happen. RSpec message like this may confuse:

What’s wrong? Investigation Let’s create two Time objects: Continue

erlang_to_erlang_1

Interconnecting Elixir nodes

Elixir is a functional language built on top of Erlang VM. Therefore it uses Erlang mechanism for communication with nodes. Erlang has one simple rule: everyone connects to everyone. It provides a simple authentication mechanism by tokens called cookie. In Continue