#374: Discussing Ruby 3.0 with Matz

Jobs

• Senior Rails Developer - RemoteWant to help us build the best CI/CD service in the world? We're looking for seasoned Rails developers to join our Product team. Semaphore
• Full Stack Rails Engineer (Remote in US, Canada, Brazil)Help us make the hiring process better for 100m+ job seekers across the globe. Work on product, scalability or internal tools. Interviewed (acquired by Indeed)

In brief

• Ruby Versions Used in Commercial Projects in 2017 news
  Over 80% are now on Ruby 2.0 and above. 
  Semaphore CI
• JRuby 9.1.14.0 Released news 
  
• RubyGems 2.7.2 Released: A Bugfix Release news 
  RubyGems Blog
• Hacking Pixel Art on Video Wall with Ruby and 23,000 Text Messages tutorial
  Kevin Thompson hacked the video wall at Twilio's SIGNAL and shares how he did it with Ruby. 
  Twilio  Sponsored
• Interactors in Ruby: Easy As Cake, Simple As Pie tutorial
  Use the interactor gem to create service objects and organize simple workflows. 
  Tiago Farias
• How 'require' Loads A Gem tutorial 
  Ryan Bigg
• Get 80% Smaller Rails Page Sizes with Rack Deflate tutorial 
  Richard Schneeman
• Quick Tip: A Pitfall of The &. Operator tutorial
  Spoiler: It changes behavior and precedence. 
  Anton Katunin
• How to Partition and Conquer a Large Postgres Table tutorial 
  Sergey Dolganov and Denis Lifanov
• Turn Rows Into Columns With The Array#transpose Method tutorial 
  Jesus Castello
• Upgrading a Rails App from 3.2 to 4.0 tutorial
  Still lots of older apps out there.. 
  Mauro Otonelli
• The Difference Between Mocks and Stubs (using RSpec) tutorial 
  Sergii Makagon
• Understanding the Model-View-Controller Architecture in Rails tutorial 
  Glenn Goodrich and Patrick Lenz
• Checklist For Migrating Your Ruby on Rails Application   
  Engine Yard  Sponsored
• Speeding Up Tests with 'parallel_tests' video
  Run tests in parallel across multiple CPU cores. 
  Drifting Ruby
• “CircleCI 2.0 is fast. We reduced builds from minutes to 12 seconds.” 
  Automate your dev process using continuous integration and delivery so you can focus on building great things. 
  CircleCI  Sponsored
• Arbolito: A Minimalist Currency Conversion Library code
  Uses Alpha Vantage for which you can get a key. 
  Juani Villarejo
• wsdirector: A Command Line Tool for Testing WebSockets code 
  Vladimir Dementyev