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dgmcguire/delete_empty_hash.rb Secret

Created December 15, 2014 14:34
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delete_empty_hash.rb
array = [{key1: value1}, {key2: nil}, {key3: nil}]
array.reject! {|k,v| v.nil?} #=> [{key1: value1}, {}, {}]
# what method will return [{key1: value1}] instead?
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