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  1. array = [{"name"=>"id", "value"=>"123"}, 
  2.          {"name"=>"type", "value"=>"app"}, 
  3.          {"name"=>"codes", "value"=>"12"}, 
  4.          {"name"=>"codes", "value"=>"345"}, 
  5.          {"name"=>"type", "value"=>"app1"}] 
  6.  
  7. sample_hash = Hash.new { |h, k| h[k] = [] }
  8.  
  9. array.each { |f| sample_hash[f['name']] << f['value'] }
  10.  
  11. p sample_hash
Success #stdin #stdout 0.01s 7456KB
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{"id"=>["123"], "type"=>["app", "app1"], "codes"=>["12", "345"]}
https://ideone.com/T4koPq
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

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