Answers for "hashes update"

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hashes update

#update hashes in ROR
h1 = { "a" => 100, "b" => 200 }
h2 = { "b" => 254, "c" => 300 }
h1.merge!(h2) { |key, v1, v2| v1 }
h1.merge! "a" => 500

Posted by: Guest on March-04-2022

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