Ruby Question
Rails merge two array of hashes
I have two arrays of hashes and want to do one from it
first =
[{:frontman=>"aaa", :category=>"bbb", :subcategory=>nil, :detail=>nil},other hashes]
second =
[{:__content__=>"aaa", :id=>"9096290", :frontman=>"aaa"},other hashes]
I want to have
one large array of hashes
[{:__content__=>"aaa", :id=>"9096290", :frontman=>"aaa", :category=>"bbb", :subcategory=>nil, :detail=>nil},other hashes]
i have tried it
(first+second).group_by{|h| h[:frontman]}.map{|k,v| v.reduce(:merge)}
but it doesn't work for me
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Answer Source
You can use this way:
first.zip(second).map { |f, s| f.merge(s) }
#=> [{:frontman=>"aaa", :category=>"bbb", :subcategory=>nil, ...}]
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