This week's Ruby news, issue 315

Jobs

• Senior Ruby and Fullstack Engineer (Wash. DC or São Paulo, Brazil)Passionate about software development? Spree Commerce is looking for a Senior Ruby and Fullstack Engineer to join the team. Come and help us build the technology powering the next generation of ecommerce. Spree Commerce
• Senior Engineer | Team LeadFormer Ycombinator alumnus are looking for full stack engineers with a love for Rails & JS frameworks, to join one of Europe's fastest growing startups, WebSummit.net to build the tools to move analogue conferences digital. WebSummit.net
• Stop Applying to Jobs - Let Companies Come To YouOn Hired, engineers typically get 5+ job offers in 1 week. Find that new opportunity you've been craving and get access to 4,000+ companies instantly. Hired.com

In brief

• Be a RubyConf 2016 Guide or Apply for a Scholarship news 
  RubyConf
• Free eBook: Why Continuous Integration Is Important 
  In this eBook, we will walk you through the benefits of Continuous Integration not only from a development team's perspective but also from a business perspective. 
  Codeship   Sponsored
• How To: Continuous Deployment of Rails with SemaphoreCI tutorial
  A very thorough start-to-finish walkthrough. 
  Sarmad Sabih
• Enumerable: Ruby’s Swiss Army Knife tutorial
  Learning Enumerable’s methods and using them in your custom classes will make you a better developer. 
  Natasha Postolovski
• Running an IRC Bot in Ruby on OpenShift V3 tutorial
  Build and deploy an IRC bot on OpenShift using the Cinch gem. 
  Mike Dame
• Rails Form Objects With dry-rb tutorial
  A full example of using dry-rb to create a form object for an ActiveRecord model. 
  Michał Gutowski
• Setting Up A Rails Development Environment Using Docker tutorial 
  Jesal Gadhia
• A Look at One Rubyist's Development Environment and Tools tutorial 
  Goncalo Pereira
• How To Make Rails JSON Output Decimal Numbers Instead Of Strings tutorial 
  Weston Ganger
• Send SMS Messages from Rails with Twilio and Textris tutorial 
  Phil Nash
• 4.5 Ways to Install Ruby on Unix tutorial
  The .5 is Docker. 
  Dmitry Rocha
• Authentication Crash Course with Devise video
  Devise is a flexible auth solution for Rails based on Warden. Learn how to add it to your app in this 8 minute video. 
  Drifting Ruby
• An Easy Improvement to Rails Assertions opinion 
  Kir Shatov
• A Case for Composition Over Inheritance opinion 
  Li Ouyang
• Would You Use Trailblazer on a New Application? opinion 
  Reddit
• Lightning fast SSD hosts for your Ruby project tools
  Host Ruby 2.3.0 on Linode servers - the fastest cloud hosts available. Use code RUBY20 for $20 credit. 
  Linode   Sponsored
• Ioughta: Go-Like Constants in Ruby code
  A Ruby port of Go’s iota, used for declaring convenient sequential untyped integer constants. 
  Mike Pastore
• BlueHydra: Bluetooth Device Discovery and Tracking code 
  Pwnie Express
• BabySqueel: Build DB Queries without SQL Strings code
  e.g. Person.where { (name =~ 'Pat%') & (salary < 50000) | (name =~ 'Sam%') } 
  Ray Zane
• graphql-ruby: A Ruby Implementation of Facebook's GraphQL code 
  Robert Mosolgo