{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchaika.hatenablog.com%2Fentry%2F2019%2F07%2F05%2F130000\" title=\"Ruby \u30e9\u30f3\u30c0\u30e0\u306b true / false \u3092\u8fd4\u3057\u305f\u3044 - \u304b\u3082\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://chaika.hatenablog.com/entry/2019/07/05/130000","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51uvDkOPVFL._SL160_.jpg","author_name":"kikiki-kiki","height":"190","width":"100%","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/kikiki-kiki/","published":"2019-07-05 13:00:00","blog_title":"\u304b\u3082\u30e1\u30e2","type":"rich","provider_url":"https://hatena.blog","description":"\u30e2\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u3063\u3066\u3044\u3066\u3001\u6761\u4ef6\u306b\u3088\u3063\u3066\u8868\u793a/\u975e\u8868\u793a\u304c\u5206\u304b\u308c\u308b\u8981\u7d20\u304c\u3042\u308a\u3001\u30e9\u30f3\u30c0\u30e0\u3067\u8868\u793a/\u975e\u8868\u793a\u3055\u305b\u305f\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u3002 \u30e9\u30f3\u30c0\u30e0\u306b 0 / 1 \u3092\u8fd4\u3059 \u3071\u3063\u3068\u601d\u3044\u3064\u3044\u305f\u306e\u304c\u4ed6\u306eJavaScript\u3068\u304b\u3067\u3082\u3088\u304f\u3084\u308b 0 || 1 \u3092\u8fd4\u3059\u65b9\u6cd5\u3002 Random.rand(0 .. 1) Random#rand \u306b Range \u3092\u6e21\u3059\u3068 Range \u5185\u306e\u5024\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u8fd4\u3055\u308c\u307e\u3059\u3002 \u305f\u3060\u3001Ruby\u306e\u5834\u5408 nil \u3068 false \u4ee5\u5916\u306f true \u306a\u306e\u3067 0 \u3082 true \u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066 if\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3055\u305b\u308b\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u66f8\u304b\u306a\u3051\u308c\u306a\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002 if Random.rand(0\u2026","categories":["Ruby"],"version":"1.0","title":"Ruby \u30e9\u30f3\u30c0\u30e0\u306b true / false \u3092\u8fd4\u3057\u305f\u3044","blog_url":"https://chaika.hatenablog.com/"}