This week's Ruby news, issue 322

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Jobs

• Rails Developer at Ascent (Chicago)We're using machine learning to create an "intelligent SaaS" regtech product. Join our small, collaborative team where you’ll play an important role in our technology, product, process, and culture. Ascent
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In brief

• The 2017 Fukuoka Ruby Award Competition news
  Entries to be judged by Matz. Deadline is December 27, 2016. 
  
• String#concat, Array#concat and String#prepend Take Multiple Args in Ruby 2.4 news 
  Abhishek Jain
• Why 10 Healthcare Companies Chose Rails news 
  Robby Russell
• A Keep Ruby Weird 2016 Event Synopsis news 
  Aaron Lasseigne
• React on Rails Goes Over 2000 GitHub Stars news 
  Justin Gordon
• Founders/CTOs: We upgrade Rails so that your team doesn't have to. 
  UpgradeRails is a service from the founders of Hint.io and Honeybadger.io. Let our expert team keep your apps up to date so that you can focus on features, not maintenance. 
  UpgradeRails   Sponsored
• Rails Implementation of A 'Proper' Popularity System tutorial
  Taking issue with a previous article on ranking systems, Fabio Akita shows the right algorithm to assess popularity. 
  Fabio Akita
• Handling Type Safety with dry-validation tutorial
  Establish type safety at the boundaries of your app. 
  Piotr Solnica
• An Introduction to Fragment Caching in Rails 5 tutorial 
  Marcin Drozd
• The Purposes of Value Objects tutorial
  A look into writing value objects the correct way. 
  Luca Guidi
• Setting Up Your Rails 5 App For JavaScript Testing tutorial 
  Michael Crismali
• Use PostgreSQL UUIDs As Primary Keys with Rails 5 tutorial 
  Fabiano Leite
• Digging into Kernel.format tutorial
  Examples of formatting various floats, ints, and strings, along with exercises at the end. 
  Kristen Fletcher Wilde
• How to Create and Publish a Jekyll Theme Gem tutorial 
  David Darnes
• Validation Beyond ActiveModel tutorial
  Using dry-validation forces you to focus more on the input data, which is a good thing. 
  Krzysztof Wawer
• Build a Messaging System with Rails and ActionCable tutorial
  First of a two-part series. 
  Ilya Bodrov-Krukowski
• Autodeploying Angular Applications to AWS OpsWorks 
  Amazon OpsWorks is an excellent, low-cost option for Platform-as-a-Service hosting. Follow these step-by-step instructions. 
  Corgibytes   Sponsored
• Throttling Rails API Requests with Rack::Attack video 
  Drifting Ruby
• Debugging With Byebug video 
  Tom Dalling
• Fusuma: Multitouch Gesture Recognition with libinput Driver on X11 code 
  
• KMS: A Rails-Based CMS for Developers code 
  Gradus
• tz_offset: Simple Abstraction of Timezone Offsets code 
  Victor Shepelev