Ruby5 #618

Ruby5 - Episode #618 - February 12th, 2016

• Proper Counter Cache
  • UPDATE posts SET comments_count = (SELECT count(1) FROM comments
• GLI
  • Make awesome command-line applications the easy way
• ERB Template Rendering
  • Ruby 2.3 is almost 4x faster
  • Yay! Ruby 2.3 is almost 4x faster in this example. And it
• Kill Your Dependencies
  • mime-types gem recently optimized its memory usage
  • json, oj, multi_json, or yajl-ruby -> Just require 'json'
  • different HTTP clients: faraday, rest-client, httparty, excon, typhoeus, curb, etc -> Net::HTTP
  • Nokogiri -> Oga (nice, simpler alternative), REXML