{"height":"190","blog_url":"https://shinkufencer.hateblo.jp/","published":"2019-08-08 00:00:00","image_url":null,"blog_title":"\u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69","categories":["Ruby","Tips"],"url":"https://shinkufencer.hateblo.jp/entry/2019/08/08/000000","provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinkufencer.hateblo.jp%2Fentry%2F2019%2F08%2F08%2F000000\" title=\"Ruby\u306b\u306f\u3044\u305a\u308c\u304b\u304c\u771f\u306b\u306a\u308b\u304b\u3092\u8abf\u3079\u308b one? \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b - \u30b3\u30fc\u30c9\u65e5\u9032\u6708\u6b69\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u306a\u308b\u307b\u3069\u3053\u3046\u3044\u3046\u306e\u3082\u6709\u308b\u306e\u304b\u3068\u3044\u3046\u3084\u3064\u3001\u6628\u65e5\u306e\u6295\u7a3f\u3068\u30bb\u30c3\u30c8\u3067\u304a\u697d\u3057\u307f\u304f\u3060\u3055\u3044\u3002 \u74b0\u5883 $ ruby -v ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-darwin18] \u4f7f\u3044\u65b9 \u30d6\u30ed\u30c3\u30af\u3092\u7528\u3044\u306a\u3044\u5834\u5408 \u3044\u305a\u308c\u304b\u304c\u771f\u3060\u3063\u305f\u3089true\u3092\u8fd4\u3059 [true,false,false].one? # => true [nil,false,false].one? # => false \u30d6\u30ed\u30c3\u30af\u3092\u7528\u3044\u308b\u5834\u5408 \u30d6\u30ed\u30c3\u30af\u5185\u306e\u8a55\u4fa1\u304c\u3072\u3068\u3064\u3067\u3082\u771f\u3067\u3042\u308c\u3070true\u3092\u8fd4\u3059 [10,100,1000].one? do |value| value > 100 end # \u2026","author_name":"shinkufencer","title":"Ruby\u306b\u306f\u3044\u305a\u308c\u304b\u304c\u771f\u306b\u306a\u308b\u304b\u3092\u8abf\u3079\u308b one? \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b","width":"100%","author_url":"https://blog.hatena.ne.jp/shinkufencer/"}