Codeminer42's Engineering Blog

The Miners

  • Crystal by Numbers

    · 5 min read · by Dmitry Rocha

    TL;DR Kemal delivers 8.3x more requests than Rails and 1.5x than Sinatra, using only 15MiB (against 110MiB in Rails and 47MiB in Sinatra) and 56% of CPU (against 109% in…

  • NodeJS and Good Practices

    · 8 min read · by Talysson Oliveira

    Softwares are subject to change all the time, and one aspect that contributes to defining the quality of a code is precisely how easy it is to be altered. But…

  • Parallel Tests with AVA

    · 4 min read · by Paulo Diovani

    There are a lot of test frameworks for JavaScript/Node.js and I’ve been working with Mocha, Jasmine and Lab for a while. But I decided to give a try to AVA…

  • How to Test Shared Behavior in Elixir

    · 9 min read · by Thiago Araújo Silva

    Create a new mix project if you want to follow along: $ mix new calculator $ cd calculator Suppose you have a Calculator module and a sum_list function: defmodule Calculator…

  • Zero to Up and Running a Rails Project only using Docker

    · 4 min read · by Dmitry Rocha

    Disclaimer: this post is based on Quickstart: Compose and Rails — Docker the main difference is that I will run everything with my own user and cache the gems installations.…