{"title":"DateTime\u3067\u4e00\u6642\u9593\u30ba\u30e9\u3057\u305f\u3044\u5834\u5408","description":"DateTime\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b+1\u3057\u3066\u3082\u3001\u65e5\u4ed8\u304c\u9032\u3080\u3060\u3051\u3067\u3059\u3002 \u4e00\u6642\u9593\u305a\u3089\u3057\u305f\u3044\u5834\u5408\u306f\u6709\u7406\u6570\u3092\u6271\u3046Rational\u30af\u30e9\u30b9\u3092\u3064\u304b\u3044\u307e\u3059\u3002 require 'pp' require 'date' pp (DateTime.new(2014,1,8,19,00,00) + Rational(1, 24)).hour #=> 20 1\u65e5 \u5272\u308b 24 \u306f 1\u6642\u9593\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u306d\u3002 \u540c\u3058\u8981\u9818\u3067\u5206\u3084\u79d2\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 pp (DateTime.new(2014,1,8,19,00,00) + Rational(1, 24 * 60)).min #=> 1 pp (DateTime.new(2014,1,8,\u2026","blog_title":"Bye Bye Moore","author_name":"shuzo_kino","provider_name":"Hatena Blog","published":"2014-01-08 20:09:59","provider_url":"https://hatena.blog","blog_url":"https://shuzo-kino.hateblo.jp/","image_url":null,"author_url":"https://blog.hatena.ne.jp/shuzo_kino/","url":"https://shuzo-kino.hateblo.jp/entry/2014/01/08/200959","height":"190","version":"1.0","categories":["ruby"],"type":"rich","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2014%2F01%2F08%2F200959\" title=\"DateTime\u3067\u4e00\u6642\u9593\u30ba\u30e9\u3057\u305f\u3044\u5834\u5408 - Bye Bye Moore\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}