{"version":"1.0","categories":["Ruby"],"type":"rich","author_url":"https://blog.hatena.ne.jp/murajun1978/","provider_url":"https://hatena.blog","blog_title":"Murajun's Style","description":"Hash\u3067\u8981\u7d20\u306e\u6570\u3092\u53d6\u5f97\u3057\u3066\u307f\u308b Hash#length\u3068Hash#size favorites_language = { bob: 'Ruby', jone: 'Ruby', tiger: 'Perl' } favorites_language.length #=> 3 favorites_language.size #=> 3 Enumerable#count favorites_language = { bob: 'Ruby', jone: 'Ruby', tiger: 'Perl' } favorites_language.count #=> 3 \u3067\u306f\u3001Value\u304c'Ruby'\u3067\u3042\u308b\u8981\u2026","height":"190","url":"https://murajun1978.hatenadiary.com/entry/2015/02/23/221552","published":"2015-02-23 22:15:52","image_url":null,"title":"Ruby\u306eHash\u3067\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b\u30d8(^o^)\u30ce","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmurajun1978.hatenadiary.com%2Fentry%2F2015%2F02%2F23%2F221552\" title=\"Ruby\u306eHash\u3067\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b\u30d8(^o^)\u30ce - Murajun&#39;s Style\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"murajun1978","blog_url":"https://murajun1978.hatenadiary.com/","width":"100%"}