Ruby5 #600

Ruby5 - Episode #600 - November 13th, 2015

• Ruby2.3.0-preview1 Released
  • Frozen String Literal Pragma
  • Safe navigation operator
  • did_you_mean gem
• Hash Comparison in Ruby 2.3
  • { a: 1, b: 2 } >= { a: 1 }
• Rails 4.2.5.rc2 and 4.1.14.rc2 Released
  • mostly No Changes
• Slicing and Dicing Ruby Enumerables
  • slice_before, slice_when and slice_after
• How Heroku Migrated to Active Record 4
  • the performance of Active Record 4.2.4 was 13% worse than Active Record 3.0.20