#354: Rails' CurrentAttributes considered harmful

Jobs

• Ruby on Rails Developer - Remote/UK basedWe're looking for a developer to help us build a variety of exciting new products and take ownership of our Rails apps. Helical Levity
• Senior Rails Developer (Remote)BookingSync is a completely remote startup in the vacation rental space, committed to giving a percentage of our profits to charity. BookingSync
• Web Application Engineer - Apple Inc. (California, USA)Our Media Products Engineering team is looking for a software engineer to build and enhance our algorithmic quality evaluation tools. Apple Inc.

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In brief

• Rails 5.1.2 RC1 Released news
  As well as 5.0.4. 
  Official Rails Blog
• Ruby 2.4 Deprecates TRUE, FALSE, and NIL Constants news 
  Big Binary
• JRuby 9.1.12.0 Released: A Minor Bugfix JRuby 9000 Release news 
  
• Jekyll 3.5 Released news 
  
• Everyday Rails Testing with RSpec Book Updated for 2017 news
  A paid book freshly updated for RSpec 3.6 and Rails 5.1. 
  Aaron Sumner
• Rails 5.1 Drops Dependency on jQuery from the Default Stack news 
  Neeraj Singh
• Precise Error Monitoring for Rails Apps Big and Small 🚀 
  Know definitively which bugs to fix and which to ignore with precise error data and filters for clearing noise. 
  Bugsnag  Sponsored
• Headless Capybara Feature Specs with Chrome tutorial
  Thanks to the latest Chrome, it’s now possible to run headless specs without Qt. 
  Thoughtbot
• Implementing Classification Using Logistic Regression tutorial
  Using the liblinear-ruby gem to do two other types of regressions with varying accuracy. 
  Practical Artificial Intelligence
• A Quick Overview of Spies in RSpec tutorial
  Learn the difference between doubles and spies. 
  Runtime Revolution
• The Template Method Pattern in Ruby tutorial 
  Josh Saint Jacque
• Faster Rails: Indexing Large Database Tables Without Downtime tutorial 
  Semaphore
• Heroku Dynos Spinning Up Other Dynos tutorial 
  Yoni Weisbrod
• Autoscaling for your Heroku dynos 
  Automatically scale up and down to handle increased workloads and avoid wasting money on idle resources. 
  HireFire  Sponsored
• Making Rails Move Faster: A Tale of Lessons Learned story
  How Distillery attacked their performance problems in Rails, including what did and didn’t work. 
  Distillery
• Implementing an Onboarding Tour with Mock Data in a Rails App story 
  Thibaut Barrère
• Rendering Charts with Chartkick and Groupdate video 
  GoRails
• Linux cloud hosting starting at 1GB of RAM for $5/mo   
  linode  Sponsored
• Anyway Config: Load Configuration Parameters from Any Source code 
  Vladimir Dementyev
• git-cop: Enforces Consistent Git Commits code
  A tool like RuboCop, but for Git best practices. 
  Brooke Kuhlmann