This week's Ruby news, issue 300

Jobs

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In brief

• How do you detect errors in your Rails app? tools
  Get relevant notifications by email and into your Slack channel when a new error breaks your app. 
  ROR vs WILD   Sponsored
• Avdi Grimm Unveils RubyTapas 2.0, an Update of His Screencasting Site news 
  Avdi Grimm
• Rails 5 Adds 'ArrayInquirer' As Extra Way to Check Array Contents news 
  Mohit Natoo
• Rails 5 Introduces 'country_zones' Helper Method to ActiveSupport::TimeZone news 
  Mohit Natoo
• Rails 5 Provides Fragment Caching in Action Mailer Views news 
  Prajakta Tambe
• Rails 5 Adds 'OR' Support to Active Record news 
  Abhishek Jain
• How to Secure Your Rack Apps with JSON Web Tokens tutorial 
  Martin Gontovnikas
• A Comprehensive Guide to Interacting with IMAP using Ruby tutorial 
  Mauro Otonelli
• How Rails Handles Status Codes tutorial 
  Ilija Eftimov
• Using ES2015/ES6 with the Asset Pipeline on Rails tutorial 
  Nando Vieira
• Dockerized Rails Capybara Tests on top of Selenium tutorial 
  Alfredo Motta
• An Introduction to Concurrency in Ruby video 
  Thijs Cadier
• Packaging and Shipping Rails Apps with Docker video
  Docker optimizations and perf tuning techniques to keep your Rails packaging and shipping pipeline in shape. 
  Allan Espinosa
• Stuck in the Middle: Leverage the Power of Rack Middleware video 
  Amy Unger
• Deploying a Rails App in Production on Ubuntu video 
  Dave Kimura
• Flirting with Crystal, A Rubyist's Perspective opinion
  Crystal is a Ruby-esque compiled language. 
  Fabio Akita
• Trailblazer In 20 Minutes (Actually, Even Less) opinion
  A look at how Trailblazer’s extensions to conventional MVC could help you write better structured software. 
  Trailblazer
• An x-ray machine? For your production apps? Starting at $19? tools
  AppSignal alerts you about errors and detects performance issues. It’s the one tool every team should have. Try it now. 
  AppSignal   Sponsored
• Sysrandom: Secure Random Number Generation for Ruby code
  Uses system RNG facilities, such as /dev/urandom. 
  Cryptosphere
• bank_exchange_ruby_api: Official Ruby client for BankExchange code
  An API to get historical exchange rates from numerous central banks. 
  BankExchange
• Down: An open-uri Wrapper That Improves Upon open-uri code 
  Janko Marohnić
• latexml-ruby: A Ruby Wrapper for LaTeXML code
  LaTeXML is a LaTeX to XML/HTML/ePub converter. 
  Authorea