\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\n10\r\n20\r\n30\r\n<\/pre>\neach\u306f\u300c\u914d\u5217.each{|\u5909\u6570|\u301c}\u300d\u3067\u6307\u5b9a\u3057\u305f\u5909\u6570\u306b\u914d\u5217\u306e\u8981\u7d20\u30921\u3064\u305a\u3064\u53d6\u308a\u51fa\u3057\u3066\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u914d\u5217\u306e\u8981\u7d20\u3067\u3042\u308b10,20,30\u304c\u9806\u756a\u306b\u30d6\u30ed\u30c3\u30af\u306b\u6e21\u3055\u308c\u3066\u3044\u308b<\/b>\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059.<\/p>\neach_with_index(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u6271\u3046)<\/h3>\n
\u3055\u304d\u307b\u3069\u3001\u8aac\u660e\u3057\u305feach\u30e1\u30bd\u30c3\u30c9\u3060\u3051\u3067\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u3067\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u3082\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3082\u30d6\u30ed\u30c3\u30af\u3067\u6271\u3044\u305f\u3044\u3068\u304d\u306feach_with_index\u3068\u3044\u3046\u4fbf\u5229\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\narray = [10,20,30]\r\n\r\narray.each_with_index do |a,i|\r\n p \"#{i}\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f#{a}\u3067\u3059\u3002\"\r\nend\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\n\"0\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f10\u3067\u3059\u3002\"\r\n\"1\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f20\u3067\u3059\u3002\"\r\n\"2\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f30\u3067\u3059\u3002\"\r\n<\/pre>\n\u4e00\u756a\u521d\u3081\u306ea\u306b\u306f\u3001\u914d\u5217\u306e\u8981\u7d20\u304c\u4ee3\u5165\u3055\u308c\u3001\u4e8c\u756a\u76ee\u306ei\u306b\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3067\u3059\u304c\u3001\u304a\u6c17\u3065\u304d\u306e\u901a\u308a\u3053\u306e\u307e\u307e\u3067\u306f\u3001\u4e00\u756a\u521d\u3081\u306e\u8981\u7d20\u306e\u5834\u5408\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u304c\u300c0\u300d\u306a\u306e\u30670\u756a\u76ee\u306e\u8981\u7d20\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u30011\u756a\u76ee\u306e\u8981\u7d20\u3068\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306f\u4e0b\u8a18\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
each.with_index(\u521d\u671f\u5024\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u6271\u3046)<\/h3>\n
each.with_index\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u59cb\u3081\u306b\u521d\u671f\u5024\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u756a\u53f7\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002each_with_index\u3067\u306f0\u756a\u76ee\u306e\u8981\u7d20\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u90e8\u5206\u3092\u4fee\u6b63\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\narray = [10,20,30]\r\n\r\narray.each.with_index(1) do |a,i|\r\n p \"#{i}\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f#{a}\u3067\u3059\u3002\"\r\nend\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\n\"1\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f10\u3067\u3059\u3002\"\r\n\"2\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f20\u3067\u3059\u3002\"\r\n\"3\u756a\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u306f30\u3067\u3059\u3002\"\r\n<\/pre>\n(1)\u306e\u3088\u3046\u306b\u3001\u30ab\u30c3\u30b3\u5185\u306b\u4efb\u610f\u306e\u6570\u5024\u3092\u521d\u671f\u5024<\/b>\u3068\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002each_with_index\u30e1\u30bd\u30c3\u30c9\u3068each.with_index\u30e1\u30bd\u30c3\u30c9\u306f\u300c_\u300d\u3068\u300c.\u300d\u304c\u9055\u3046\u3060\u3051\u306a\u306e\u3067\u3001\u899a\u3048\u3084\u3059\u304f\u3001\u4f7f\u3044\u52dd\u624b\u3082\u3044\u3044\u306e\u3067\u307e\u3068\u3081\u3066\u899a\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\neach_slice(\u914d\u5217\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3057\u305f\u6570\u5024\u3067\u5207\u308a\u5206\u3051\u308b)<\/h3>\n
each_slice\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u914d\u5217\u306e\u8981\u7d20\u3092\u6307\u5b9a\u3057\u305f\u6570\u5024\u306b\u3057\u305f\u304c\u3063\u3066\u5206\u5272\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\narray = [10,20,30,40,50,60]\r\n\r\narray.each_slice(2) do |a|\r\n p a \r\nend\r\n\r\narray.each_slice(3) do |a|\r\n p a \r\nend\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\n[10, 20]\r\n[30, 40]\r\n[50, 60]\r\n\r\n[10, 20, 30]\r\n[40, 50, 60]\r\n<\/pre>\n\u3053\u306e\u3088\u3046\u306b\u30012\u3064\u305a\u3064\u306b\u5206\u5272\u3057\u305f\u3044\u3068\u304d\u306f2\u3092\u6307\u5b9a\u3057\u3066\u30013\u3064\u305a\u3064\u306b\u5206\u5272\u3057\u305f\u3044\u3068\u304d\u306f3\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3068\u3066\u3082\u76f4\u611f\u7684\u3067\u3059\u306d\u3002<\/p>\n
each_line(\u6539\u884c\u3054\u3068\u306b\u5207\u308a\u5206\u3051\u308b)<\/h3>\n
each_line\u30e1\u30bd\u30c3\u30c9\u306f\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u306e\u4e2d\u304b\u3089\u6539\u884c\u30b3\u30fc\u30c9\u3067\u5206\u5272\u3057\u30661\u884c\u305a\u3064\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nfruits = \"applenorangernmelonrnpineapple\"\r\nfruits.each_line {|line| p line.chomp }<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\u201capple\u201d\r\n\"orange\"\r\n\"melon\"\r\n\"pineapple\"<\/pre>\n\u3053\u306e\u3088\u3046\u306b\u6539\u884c\u30b3\u30fc\u30c9\u3054\u3068\u306b\u6587\u5b57\u5217\u304c\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\uff01<\/p>\n
\u30cf\u30c3\u30b7\u30e5\u3067\u306eeach<\/h2>\n\u30cf\u30c3\u30b7\u30e5\u306e\u6271\u3044\u65b9<\/h3>\n
\u30cf\u30c3\u30b7\u30e5\u3068\u306f\u3001key\u3068value\u306e\u30da\u30a2<\/b>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u8907\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53c2\u7167\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002key\u306f\u914d\u5217\u3067\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9(\u5404\u8981\u7d20\u306b\u632f\u308a\u5206\u3051\u3089\u308c\u305f\u756a\u53f7)\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n
\u30cf\u30c3\u30b7\u30e5\u306e\u5834\u5408\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u306f\u9055\u3044\u3001key\u3068\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3057\u3001\u305f\u3068\u3048\u3070\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3001<\/p>\n
\u3000h = { "abc" => 1, "def" => 2 }\r\n\u3000h["abc"]<\/pre>\n\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u30cf\u30c3\u30b7\u30e5\u306ekey\u306b\u306f\u3001\u4efb\u610f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n
keys(\u30cf\u30c3\u30b7\u30e5\u306ekey\u3092\u914d\u5217\u3067\u53d6\u5f97\u3059\u308b)<\/h3>\n
\u3053\u3053\u3067\u306f\u30cf\u30c3\u30b7\u30e5\u304b\u3089key\u3092\u53d6\u5f97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30cf\u30c3\u30b7\u30e5\u306e\u5404\u8981\u7d20\uff08key\u3068value\u306e\u30da\u30a2\uff09\u304b\u3089\u3001keys\u30e1\u30bd\u30c3\u30c9\u3067\u3001key\u306e\u307f\u3092\u914d\u5217\u3068\u3057\u3066\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002key\u3092\u914d\u5217\u3068\u3057\u3066\u53d6\u308a\u51fa\u3057\u3066\u3082\u3001\u30cf\u30c3\u30b7\u30e5\u81ea\u4f53\u306f\u4f55\u306e\u5f71\u97ff\u3082\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n
\u53d6\u308a\u51fa\u3057\u305fkey\u306f\u3001\u5358\u306a\u308b\u914d\u5217\u3067\u3059\u306e\u3067\u3001\u81ea\u7531\u306b\u7de8\u96c6\u30fb\u64cd\u4f5c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nh = { \"abc\" => 1, \"def\" => 2, \"ghi\" => 3 }\r\nk = h.keys\r\np k\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n[\"abc\", \"def\", \"ghi\"]\r\n<\/pre>\n\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001key\u3092\u914d\u5217\u3067\u53d6\u5f97\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
values(\u30cf\u30c3\u30b7\u30e5\u306evalue\u3092\u914d\u5217\u3067\u53d6\u5f97\u3059\u308b)<\/h3>\n
\u540c\u69d8\u306bvalue\u3082\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nh = { "abc" => 1, "def" => 2, "ghi" => 3 }\r\nk = h.values\r\np k<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n[1, 2, 3]<\/pre>\n\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001value\u3092\u914d\u5217\u3067\u53d6\u5f97\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
foreach\u306e\u3088\u3046\u306aeach (\u30d6\u30ed\u30c3\u30af\u306b\u30cf\u30c3\u30b7\u30e5\u306e\u30ad\u30fc\u3068\u5024\u3092\u7e70\u308a\u8fd4\u3057\u6e21\u3059)<\/h3>\n\r\nhash = { Samurai: 1, Ruby: 2, Rails: 3 , Swift: 4, Java: 5, PHP: 6}\r\nhash.each { |key, value| puts \"#{key} => #{value}\"}\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\nSamurai => 1\r\nRuby => 2\r\nRails => 3\r\nSwift => 4\r\nJava => 5\r\nPHP => 6<\/pre>\n\u3053\u306e\u3088\u3046\u306b\u3001key\u3068value\u3092\u540c\u6642\u306b\u53d6\u308a\u51fa\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u53b3\u5bc6\u306b\u306fforeach\u306fruby\u306b\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001ruby\u3067\u8868\u73fe\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3053\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
each_key\uff08\u30d6\u30ed\u30c3\u30af\u306b\u30cf\u30c3\u30b7\u30e5\u306e\u30ad\u30fc\u3060\u3051\u7e70\u308a\u8fd4\u3057\u6e21\u3059\uff09<\/h3>\n
\u914d\u5217\u306eeach\u30e1\u30bd\u30c3\u30c9\u306e\u3088\u3046\u306b\u3001\u30cf\u30c3\u30b7\u30e5\u3082each_key\u30e1\u30bd\u30c3\u30c9\u3067\u30eb\u30fc\u30d7\u3067\u304d\u307e\u3059\u3002\u914d\u5217\u3068each\u30e1\u30bd\u30c3\u30c9\u540c\u3058\u3088\u3046\u306beach_key\u3082\u30d6\u30ed\u30c3\u30af\u4ed8\u304d\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u306e\u3067\u3001\u901a\u5e38\u3001\u30d6\u30ed\u30c3\u30af\u3092\u5f15\u6570\u306b\u4e0e\u3048\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u30d6\u30ed\u30c3\u30af\u306e\u30d6\u30ed\u30c3\u30af\u5f15\u6570\u3067\u30cf\u30c3\u30b7\u30e5\u306ekey\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\nhash = { Samurai: 1, Ruby: 2, Rails: 3 , Swift: 4, Java: 5, PHP: 6}\r\nhash.each_key {|key| puts \"#{key}\" }\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\nSamurai\r\nRuby\r\nRails\r\nSwift\r\nJava\r\nPHP\r\n<\/pre>\n\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001each_key\u306b\u3088\u308a\u3001\u30cf\u30c3\u30b7\u30e5\u3092key\u3067\u30eb\u30fc\u30d7\u3067\u304d\u307e\u3057\u305f\u3002\u30d6\u30ed\u30c3\u30af\u5185\u3067\u306f\u3001\u30d6\u30ed\u30c3\u30af\u5909\u6570\u3068\u3057\u3066key\u3092\u53d6\u5f97\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
each_value\uff08\u30d6\u30ed\u30c3\u30af\u306b\u30cf\u30c3\u30b7\u30e5\u306e\u5024\u3060\u3051\u7e70\u308a\u8fd4\u3057\u6e21\u3059\uff09<\/h3>\n
\u540c\u69d8\u306b\u3001value\u3082\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\nhash = { Samurai: 1, Ruby: 2, Rails: 3 , Swift: 4, Java: 5, PHP: 6}\r\nhash.each_value { |value| puts \"#{value}\"}\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n<\/pre>\neach_with_object \uff08\u30d6\u30ed\u30c3\u30af\u306b\u5024\u3092\u6e21\u3057\u3066\u65b0\u305f\u306a\u914d\u5217\u3092\u4f5c\u6210\uff09<\/h3>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\n\r\nhash = { Samurai: 1, Ruby: 2, Rails: 3 , Swift: 4, Java: 5, PHP: 6}\r\npicked = hash.each_with_object([]) do |(key, value), array_new|\r\n array_new << key if value >= 4\r\nend\r\nputs picked\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\r\nSwift\r\nJava\r\nPHP\r\n<\/pre>\n\u3053\u306e\u5834\u5408\u306f\u3001value\u304c4\u4ee5\u4e0a\u306e\u30da\u30a2\u306ekey\u3092\u51fa\u529b\u3057\u3066\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001each_with_object\u3092\u4f7f\u3048\u3070\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3066\u30cf\u30c3\u30b7\u30e5\u304b\u3089\u65b0\u305f\u306a\u914d\u5217\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n
sort (\u30cf\u30c3\u30b7\u30e5\u3092key\u3067\u30bd\u30fc\u30c8\u3059\u308b)<\/h3>\n
\u30cf\u30c3\u30b7\u30e5\u304c\u4e0b\u8a18\u306e\u3088\u3046\u306a\u9806\u756a\u3067\u3042\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
h = { "def" => 1, "ghi" => 2, "abc" => 3 }<\/pre>\n\u30cf\u30c3\u30b7\u30e5h\u306ekey\u306f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u9806\u306b\u4e26\u3093\u3067\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u307e\u307eeach_key\u3067\u30eb\u30fc\u30d7\u3057\u3066\u3057\u307e\u3046\u3068\u3001<\/p>\n
\n- def<\/li>\n
- ghi<\/li>\n
- abc<\/li>\n<\/ol>\n
\u306e\u9806\u756a\u3067\u30eb\u30fc\u30d7\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u56f0\u308b\u969b\u306b\u3001\u30cf\u30c3\u30b7\u30e5\u3092key\u3067\u30bd\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u306a\u304aRubu1.9\u4ee5\u4e0a\u304b\u3089\u306f\u3001\u30cf\u30c3\u30b7\u30e5\u306e\u30bd\u30fc\u30c8\u7d50\u679c\u306f\u30cf\u30c3\u30b7\u30e5\u3067\u306f\u306a\u304f\u3001Enumerable\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nh = { \"def\" => 1, \"ghi\" => 2, \"abc\" => 3 }\r\np h.sort\r\np h\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n[[\"abc\", 3], [\"def\", 1], [\"ghi\", 2]]\r\n{\"def\"=>1, \"ghi\"=>2, \"abc\"=>3}\r\n<\/pre>\n\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001sort\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u5024\u304c\u3001key\u3067\u30bd\u30fc\u30c8\u3055\u308c\u305fEnumerable\u306b\u306a\u308a\u307e\u3059\u3002Enumerable\u3068\u306f\u3001\u914d\u5217\u3068\u540c\u7b49\u306e\u52d5\u4f5c\u3092\u3059\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u3053\u3068\u3067\u3059\u3002
\n\u901a\u5e38\u306f\u914d\u5217\u3068\u601d\u3063\u3066\u3044\u305f\u3060\u3044\u3066\u304b\u307e\u3044\u307e\u305b\u3093\u3002<\/p>\n
sort\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u5024\u306eEnumerable\u306f\u3001\u30cf\u30c3\u30b7\u30e5\u306e\u5404\u8981\u7d20\u3092\u3001\u914d\u5217[ key, value ] \u3068\u3044\u3046\u8981\u7d20\u3068\u3057\u3066\u6301\u3063\u3066\u3044\u308b\u914d\u5217\u3067\u3059\u3002\u307e\u305f\u3001sort\u30e1\u30bd\u30c3\u30c9\u3092\u9069\u7528\u3057\u305f\u30ec\u30b7\u30fc\u30d0\u306e\u30cf\u30c3\u30b7\u30e5h\u81ea\u4f53\u306f\u30bd\u30fc\u30c8\u3055\u308c\u306a\u3044\u3053\u3068\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
has_key (\u30cf\u30c3\u30b7\u30e5\u306bkey\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u304b\u3081\u308b)<\/h3>\n
\u30cf\u30c3\u30b7\u30e5\u304b\u3089\u5024\u3092\u53d6\u308a\u51fa\u3059\u306b\u306f\u3001key\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30cf\u30c3\u30b7\u30e5\u5185\u306b\u5b58\u5728\u3057\u306a\u3044key\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001nil\u5024\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u305f\u3081\u3001\u4e8b\u524d\u306bkey\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308bhas_key?\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308a\u3001\u4e8b\u524d\u306bkey\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001key\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3068\u3001key\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3067\u51e6\u7406\u3092\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nh = { \"abc\" => 1, \"def\" => 2, \"ghi\" => 3 }\r\nif h.has_key? \"xyz\" then\r\n p \"h has key xyz\"\r\nelse\r\n p \"h dose not have key xyz\"\r\nend\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\"h dose not have key xyz\"\r\n<\/pre>\n\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001has_key?\u30e1\u30bd\u30c3\u30c9\u306bkey\u306e\u5019\u88dc\u3092\u5f15\u6570\u3068\u3057\u3066\u4e0e\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30ec\u30b7\u30fc\u30d0\u306e\u30cf\u30c3\u30b7\u30e5\u304ckey\u306e\u5019\u88dc\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
has_value (\u30cf\u30c3\u30b7\u30e5\u306bvalue\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u304b\u3081\u308b) <\/h3>\n
\u540c\u69d8\u306b\u3001value\u306e\u5b58\u5728\u3082\u78ba\u304b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff1a<\/strong><\/p>\nh = { \"abc\" => 1, \"def\" => 2, \"ghi\" => 3 }\r\nif h.has_value? 4 then\r\n p \"h has value xyz\"\r\nelse\r\n p \"h dose not have value 4\"\r\nend\r\n<\/pre>\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u7d50\u679c\uff1a<\/strong><\/p>\n\"h dose not have value 4\"\r\n<\/pre>\n\u307e\u3068\u3081<\/h2>\n
\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u914d\u5217\u3084\u30cf\u30c3\u30b7\u30e5\u306b\u304a\u3051\u308beach\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n
\n- each\u3068\u306f\uff1f<\/li>\n
- \u914d\u5217\u3067\u306eeach\u30e1\u30bd\u30c3\u30c9\u306e\u6271\u3044\u65b9<\/li>\n
- \u30cf\u30c3\u30b7\u30e5\u3067\u306eeach\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/li>\n<\/ul>\n
each\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u305d\u306e\u6d3e\u751f\u30e1\u30bd\u30c3\u30c9\u542b\u3081\u3066\u4f7f\u7528\u306e\u983b\u5ea6\u304c\u9ad8\u3044\u306e\u3067\u3001\u65e9\u3044\u3046\u3061\u306b\u8eab\u306b\u3064\u3051\u3066\u304a\u304f\u3079\u304d\u3067\u3059\u3002\u305f\u304f\u3055\u3093\u30e1\u30bd\u30c3\u30c8\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306b\u306f\u914d\u5217\u3084\u3001\u30cf\u30c3\u30b7\u30e5\u306e\u8981\u7d20\u3092\u9806\u756a\u306b\u30d6\u30ed\u30c3\u30af\u306b\u6e21\u3057\u3066\u306a\u306b\u304b\u3057\u3089\u306e\u51e6\u7406\u3092\u52a0\u3048\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n
\u4e00\u5ea6\u306b\u305f\u304f\u3055\u3093\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u899a\u3048\u308b\u306e\u306f\u5927\u5909\u306a\u306e\u3067\u3001\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u307e\u305f\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u8fd4\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Ruby\u306eeach\u30e1\u30bd\u30c3\u30c9\u3067\u914d\u5217\u3084\u30cf\u30c3\u30b7\u30e5\u306e\u51e6\u7406\u3092\u884c\u3044\u305f\u3044 \u914d\u5217\u3084\u30cf\u30c3\u30b7\u30e5\u306e\u8981\u7d20\u3092\u9806\u756a\u306b\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u304c\u77e5\u308a\u305f\u3044 each\u30e1\u30bd\u30c3\u30c9\u3063\u3066\u3088\u304f\u898b\u304b\u3051\u308b\u3051\u3069\u3069\u3046\u3084\u3063\u3066\u4f7f\u3046\u306e\uff1f each\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308c\u3070\u914d\u5217\u3084\u30cf\u30c3\u30b7\u30e5\u306e\u8981\u7d20\u3092\u9806 […]<\/p>\n","protected":false},"author":4,"featured_media":92181,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2352],"tags":[551,114,68],"class_list":["post-15178","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ruby-study","tag-hash","tag-ruby","tag-68"],"acf":[],"yoast_head":"\n
\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sejuku.net\/blog\/15178\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sejuku.net\/blog\/15178\" \/>\n<meta property=\"og:site_name\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sejuku2013\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/sejuku2013\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-08T11:14:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-06T02:40:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"810\" \/>\n\t<meta property=\"og:image:height\" content=\"460\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178\"},\"author\":{\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\"},\"headline\":\"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046\",\"datePublished\":\"2017-02-08T11:14:50+00:00\",\"dateModified\":\"2024-05-06T02:40:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178\"},\"wordCount\":176,\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/02\\\/Rubyeach2.jpeg\",\"keywords\":[\"hash\",\"ruby\",\"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\"],\"articleSection\":[\"Ruby\u5b66\u7fd2\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178\",\"name\":\"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/02\\\/Rubyeach2.jpeg\",\"datePublished\":\"2017-02-08T11:14:50+00:00\",\"dateModified\":\"2024-05-06T02:40:24+00:00\",\"description\":\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#primaryimage\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/02\\\/Rubyeach2.jpeg\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/02\\\/Rubyeach2.jpeg\",\"width\":810,\"height\":460},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/15178#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\",\"description\":\"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#organization\",\"name\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/logo.png\",\"width\":600,\"height\":600,\"caption\":\"\u682a\u5f0f\u4f1a\u793eSAMURAI\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\",\"https:\\\/\\\/x.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\\\/featured\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\",\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g\",\"caption\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\"},\"description\":\"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\\\/Web\u958b\u767a\\\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\\\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\\\/\u30b2\u30fc\u30e0\u958b\u767a\\\/AI\\\/Web\u30c7\u30b6\u30a4\u30f3\",\"sameAs\":[\"https:\\\/\\\/www.sejuku.net\\\/\",\"https:\\\/\\\/www.facebook.com\\\/sejuku2013\\\/\",\"https:\\\/\\\/www.instagram.com\\\/samuraiengineer_official\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/samuraijuku\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCCFOQO5aDK0xXam4cUQXT8g\"],\"url\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/author\\\/samurai-blog\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sejuku.net\/blog\/15178","og_locale":"ja_JP","og_type":"article","og_title":"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","og_description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","og_url":"https:\/\/www.sejuku.net\/blog\/15178","og_site_name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","article_publisher":"https:\/\/www.facebook.com\/sejuku2013","article_author":"https:\/\/www.facebook.com\/sejuku2013\/","article_published_time":"2017-02-08T11:14:50+00:00","article_modified_time":"2024-05-06T02:40:24+00:00","og_image":[{"width":810,"height":460,"url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg","type":"image\/jpeg"}],"author":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/samuraijuku","twitter_site":"@samuraijuku","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.sejuku.net\/blog\/15178#article","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/15178"},"author":{"name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61"},"headline":"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046","datePublished":"2017-02-08T11:14:50+00:00","dateModified":"2024-05-06T02:40:24+00:00","mainEntityOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/15178"},"wordCount":176,"publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/15178#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg","keywords":["hash","ruby","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"articleSection":["Ruby\u5b66\u7fd2"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.sejuku.net\/blog\/15178","url":"https:\/\/www.sejuku.net\/blog\/15178","name":"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","isPartOf":{"@id":"https:\/\/www.sejuku.net\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sejuku.net\/blog\/15178#primaryimage"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/15178#primaryimage"},"thumbnailUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg","datePublished":"2017-02-08T11:14:50+00:00","dateModified":"2024-05-06T02:40:24+00:00","description":"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046 \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002","breadcrumb":{"@id":"https:\/\/www.sejuku.net\/blog\/15178#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sejuku.net\/blog\/15178"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/15178#primaryimage","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/Rubyeach2.jpeg","width":810,"height":460},{"@type":"BreadcrumbList","@id":"https:\/\/www.sejuku.net\/blog\/15178#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sejuku.net\/blog\/"},{"@type":"ListItem","position":2,"name":"\u3010Ruby each\u306e\u5fdc\u7528\u7de8\u3011\u3055\u307e\u3056\u307e\u306a\u4f7f\u3044\u65b9\u3092\u7db2\u7f85\u7684\u306b\u7406\u89e3\u3057\u3088\u3046"}]},{"@type":"WebSite","@id":"https:\/\/www.sejuku.net\/blog\/#website","url":"https:\/\/www.sejuku.net\/blog\/","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5b66\u7fd2\u306e\u3059\u3079\u3066\u304c\u30b3\u30b3\u306b\u3002","publisher":{"@id":"https:\/\/www.sejuku.net\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sejuku.net\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.sejuku.net\/blog\/#organization","name":"\u682a\u5f0f\u4f1a\u793eSAMURAI","url":"https:\/\/www.sejuku.net\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","contentUrl":"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2023\/07\/logo.png","width":600,"height":600,"caption":"\u682a\u5f0f\u4f1a\u793eSAMURAI"},"image":{"@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/sejuku2013","https:\/\/x.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g\/featured"]},{"@type":"Person","@id":"https:\/\/www.sejuku.net\/blog\/#\/schema\/person\/e8ca7fd09857a736a25e6b4455a3ab61","name":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/507c280c5c67d2c11fec4fdba20e5bf1ec2fe91f9deb42d2ec50382778b311bf?s=96&d=mm&r=g","caption":"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8"},"description":"\u3010\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3011 DX\u8a8d\u5b9a\u53d6\u5f97\u4e8b\u696d\u8005\u306b\u9078\u5b9a\u3055\u308c\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793eSAMURAI\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u90e8\u304c\u904b\u55b6\u3002\u300c\u8cea\u306e\u9ad8\u3044IT\u6559\u80b2\u3092\u3001\u3059\u3079\u3066\u306e\u4eba\u306b\u300d\u3092\u30df\u30c3\u30b7\u30e7\u30f3\u306b\u3001IT\u30fb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3073\u59cb\u3081\u305f\u521d\u5b66\u8005\u306e\u65b9\u306b\u5411\u3051\u8a18\u4e8b\u3092\u57f7\u7b46\u3002 \u7d2f\u8a08\u6307\u5c0e\u8005\u65704\u4e075,000\u540d\u4ee5\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u300c\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u3001\u7d2f\u8a08\u767b\u9332\u8005\u65701\u4e078,000\u4eba\u4ee5\u4e0a\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u5b66\u7fd2\u30b5\u30fc\u30d3\u30b9\u300c\u4f8d\u30c6\u30e9\u30b3\u30e4\u300d\u3067\u6271\u3046\u6559\u6750\u958b\u767a\u306e\u30ce\u30a6\u30cf\u30a6\u30012013\u5e74\u306e\u5275\u696d\u304b\u3089\u904b\u55b6\u3067\u5f97\u305f\u77e5\u898b\u306b\u57fa\u3065\u304d\u3001\u8a18\u4e8b\u306e\u57f7\u7b46\u3060\u3051\u3067\u306a\u304f\u7de8\u96c6\u30fb\u76e3\u4fee\u3082\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u3010\u5c02\u9580\u5206\u91ce\u3011 IT\/Web\u958b\u767a\/AI\u30fb\u30ed\u30dc\u30c3\u30c8\u958b\u767a\/\u30a4\u30f3\u30d5\u30e9\u958b\u767a\/\u30b2\u30fc\u30e0\u958b\u767a\/AI\/Web\u30c7\u30b6\u30a4\u30f3","sameAs":["https:\/\/www.sejuku.net\/","https:\/\/www.facebook.com\/sejuku2013\/","https:\/\/www.instagram.com\/samuraiengineer_official\/","https:\/\/x.com\/https:\/\/twitter.com\/samuraijuku","https:\/\/www.youtube.com\/channel\/UCCFOQO5aDK0xXam4cUQXT8g"],"url":"https:\/\/www.sejuku.net\/blog\/author\/samurai-blog"}]}},"_links":{"self":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/15178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/comments?post=15178"}],"version-history":[{"count":0,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/posts\/15178\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media\/92181"}],"wp:attachment":[{"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/media?parent=15178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/categories?post=15178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sejuku.net\/blog\/wp-json\/wp\/v2\/tags?post=15178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![](\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/06\/Rubyeach-150x85.jpeg\")
\n <\/div>\n