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Ruby5 #600

Ruby5

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