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rails sort_by and group_by

/ Published in: Ruby
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  1. @posts.sort_by(&:date).each do |post|
  2.     puts post
  3. end
  4.  
  5. @tasks = {}
  6. TaskList.find(:all).group_by(&:type) do |type, subtasks|
  7.     @tasks[type] = subtasks.group_by(&:name)
  8. end

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