{"blog_title":"\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5","published":"2016-02-07 11:58:45","width":"100%","blog_url":"https://blog.emattsan.org/","description":"\u6642\u8a08\u56de\u308a\u306b90\u5ea6 \u884c\u3092\u53cd\u8ee2\u3057\u3066\u8ee2\u7f6e\uff08\u3042\u308b\u3044\u306f\u3001\u8ee2\u7f6e\u3057\u3066\u5217\u3092\u53cd\u8ee2\uff09 \u6642\u8a08\u56de\u308a\u306b180\u5ea6 \u884c\u3092\u53cd\u8ee2\u3057\u3066\u5217\u3092\u53cd\u8ee2\uff08\u3042\u308b\u3044\u306f\u3001\u5217\u3092\u53cd\u8ee2\u3057\u3066\u884c\u3092\u53cd\u8ee2\uff09 \u6642\u8a08\u56de\u308a\u306b270\u5ea6 \u8ee2\u7f6e\u3057\u3066\u884c\u3092\u53cd\u8ee2\uff08\u3042\u308b\u3044\u306f\u3001\u5217\u3092\u53cd\u8ee2\u3057\u3066\u8ee2\u7f6e\uff09 [1] pry(main)> a = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] => [[1, 2, 3], [4, 5, 6], [7, 8, 9]] [2] pry(main)> a.reverse.transpose => [[7, 4, 1], [8, 5, 2], [9, 6, 3]] [3] pry(main)> a.reverse.map(&:re\u2026","author_url":"https://blog.hatena.ne.jp/E_Mattsan/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.emattsan.org%2Fentry%2F20160207%2F1454813925\" title=\" \u914d\u5217\u306e\u56de\u8ee2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u7684\u611b\u60c5\" 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://blog.emattsan.org/entry/20160207/1454813925","provider_name":"Hatena Blog","author_name":"E_Mattsan","title":" \u914d\u5217\u306e\u56de\u8ee2","type":"rich","image_url":null,"categories":["Ruby","\u3081\u3082"],"provider_url":"https://hatena.blog","height":"190"}