{"id":159,"date":"2018-12-13T16:10:59","date_gmt":"2018-12-13T16:10:59","guid":{"rendered":"https:\/\/oidema-jp.com\/media\/2018-12-13-161059\/"},"modified":"2018-12-13T16:10:59","modified_gmt":"2018-12-13T16:10:59","slug":"2018-12-13-161059","status":"publish","type":"post","link":"https:\/\/oidema-jp.com\/media\/2018-12-13-161059\/","title":{"rendered":"\u3010Ruby\u3011Ruby\u306b\u304a\u3051\u308b\u771f\u507d\u5024"},"content":{"rendered":"<h2 id=\"i-0\"><a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/Ruby\">Ruby<\/a>\u306e\u771f\u507d\u306e\u6349\u3048\u65b9<\/h2>\n<ul>\n<li>false\u3068<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/nil\">nil<\/a> = \u507d<\/li>\n<li>false\u3068<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/nil\">nil<\/a>\u4ee5\u5916 = \u771f<\/li>\n<\/ul>\n<p>\u4e0b\u8a18\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3057\u305f\u304c\u4ed6\u8a00\u8a9e\u306b\u6bd4\u3079\u3066\uff08\u7279\u306b<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/PHP\">PHP<\/a>\u3068\u304b\uff09<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/Ruby\">Ruby<\/a>\u304c\u3068\u3066\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u306e\u304b\u308f\u304b\u308b\u3002<br \/>\n<iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fblog.mirakui.com%2Fentry%2F20090604%2Ftruefalse\" title=\"\u5404\u8a00\u8a9e\u306b\u304a\u3051\u308btrue\/false\u307e\u3068\u3081 - \u663c\u30e1\u30b7\u7269\u8a9e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"><\/iframe><cite class=\"hatena-citation\"><a href=\"https:\/\/blog.mirakui.com\/entry\/20090604\/truefalse\">blog.mirakui.com<\/a><\/cite><\/p>\n<p>\u307e\u305f<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/Ruby\">Ruby<\/a>\u3067\u306f\u4ed6\u306e\u8a00\u8a9e\u3068\u306f\u9055\u3063\u305f\u7279\u5fb4\u304c\u3042\u308b\u3088\u3046\u3060\u3002<\/p>\n<blockquote>\n<p><a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/Ruby\">Ruby<\/a> \u306e\u9762\u767d\u3044\u306e\u306f\u3001Boolean \u3068\u3044\u3046\u30af\u30e9\u30b9\u306f\u7121\u304f\u3001 true \u3068 false \u306f\u305d\u308c\u305e\u308c TrueClass \u3068 FalseClass \u3068\u3044\u3046\u30af\u30e9\u30b9\u306e<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%A4%A5%F3%A5%B9%A5%BF%A5%F3%A5%B9\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/a>\u3067\u3042\u308b\u3002<\/p>\n<\/blockquote>\n<p>\u203b\u3053\u308cDuck Typing\u3068\u3044\u3046\u3082\u306e\u306b\u3068\u3066\u3082\u95a2\u4fc2\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u3053\u3061\u3089\u306f\u5225\u9014\u8abf\u3079\u3066\u8a18\u4e8b\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>Matz\u3055\u3093\u3082\u542b\u3081\u305f\u8b70\u8ad6\u304c\u3053\u3061\u3089\u306eQiita\u8a18\u4e8b\u3067\u5c55\u958b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u5171\u6709\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fqiita.com%2Fyatemmma%2Fitems%2F3597a0e20556fb846d3f\" title=\"Ruby\u3067BoolClass\u3067\u306f\u306a\u304fTrueClass\/FalseClass\u306a\u7406\u7531\u3092\u7406\u89e3\u3059\u308b - Qiita\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\"><\/iframe><cite class=\"hatena-citation\"><a href=\"https:\/\/qiita.com\/yatemmma\/items\/3597a0e20556fb846d3f\">qiita.com<\/a><\/cite><\/p>\n<h2 id=\"i-1\">\u6700\u5f8c\u306b<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u306f<a href=\"https:\/\/www.amazon.co.jp\/%E3%83%97%E3%83%AD%E3%82%92%E7%9B%AE%E6%8C%87%E3%81%99%E4%BA%BA%E3%81%AE%E3%81%9F%E3%82%81%E3%81%AERuby%E5%85%A5%E9%96%80-%E8%A8%80%E8%AA%9E%E4%BB%95%E6%A7%98%E3%81%8B%E3%82%89%E3%83%86%E3%82%B9%E3%83%88%E9%A7%86%E5%8B%95%E9%96%8B%E7%99%BA%E3%83%BB%E3%83%87%E3%83%90%E3%83%83%E3%82%B0%E6%8A%80%E6%B3%95%E3%81%BE%E3%81%A7-Software-Design-plus%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA\/dp\/4774193976\">\u30d7\u30ed\u3092\u76ee\u6307\u3059\u4eba\u306e\u305f\u3081\u306eRuby\u5165\u9580<\/a>\u304b\u3089\u5b66\u3093\u3060\u3053\u3068\u3092\u53c2\u8003\u306b\u3057\u3066\u5185\u5bb9\u304c\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/Ruby\">Ruby<\/a>\u3092\u672c\u683c\u7684\u306b\u52c9\u5f37\u3057\u305f\u3044\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u65b9\u306f\u662f\u975e\u3001\u4e0b\u8a18\u30ea\u30f3\u30af\u3088\u308a\u672c\u3092\u8cfc\u5165\u3057\u3066\u52c9\u5f37\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n<p><a target=\"_blank\" href=\"https:\/\/www.amazon.co.jp\/gp\/product\/4774193976\/ref=as_li_tl?ie=UTF8&amp;camp=247&amp;creative=1211&amp;creativeASIN=4774193976&amp;linkCode=as2&amp;tag=keisukegdk-22&amp;linkId=6761ac338134e7b4b20228e093d0f356\" rel=\"noopener\"><img decoding=\"async\" border=\"0\" src=\"\/\/ws-fe.amazon-adsystem.com\/widgets\/q?_encoding=UTF8&amp;MarketPlace=JP&amp;ASIN=4774193976&amp;ServiceVersion=20070822&amp;ID=AsinImage&amp;WS=1&amp;Format=_SL250_&amp;tag=keisukegdk-22\"><\/a><img loading=\"lazy\" decoding=\"async\" src=\"\/\/ir-jp.amazon-adsystem.com\/e\/ir?t=keisukegdk-22&amp;l=am2&amp;o=9&amp;a=4774193976\" width=\"1\" height=\"1\" border=\"0\" alt=\"\" style=\"border:none !important; margin:0px !important;\"><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/blog.hatena.ne.jp\/keisuke8925gdk\/keisuke8925gdk.hatenablog.com\/subscribe\/iframe\" allowtransparency=\"true\" frameborder=\"0\" scrolling=\"no\" width=\"150\" height=\"28\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ruby\u306e\u771f\u507d\u306e\u6349\u3048\u65b9 false\u3068nil = \u507d false\u3068nil\u4ee5\u5916 = \u771f \u4e0b\u8a18\u30b5\u30a4\u30c8\u3092\u53c2\u8003\u306b\u3057\u305f\u304c\u4ed6\u8a00\u8a9e\u306b\u6bd4\u3079\u3066\uff08\u7279\u306bPHP\u3068\u304b\uff09Ruby\u304c\u3068\u3066\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u306e\u304b\u308f\u304b\u308b\u3002 blog.mirakui.com \u307e\u305fR &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[11],"tags":[],"class_list":{"0":"post-159","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-ruby","7":"entry","8":"nothumb"},"acf":[],"aioseo_notices":[],"mb":[],"mfb_rest_fields":["title","aioseo_notices"],"_links":{"self":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/comments?post=159"}],"version-history":[{"count":0,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/159\/revisions"}],"wp:attachment":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/media?parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/categories?post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/tags?post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}