hash = { "d" => [11, 22], "f" => [33, 44, 55] } # case 1
hash.map {| k, vs | vs.map {| v | "# {k}: # {v}"}}. join (",")
=> "d: 11, d: 22, f: 33, f: 44, f: 55" # case 2
hash.map {| k, vs | против каждого {| v | "# {k}: # {v}" ...
вопрос задан: 12 December 2011 21:58