{"blog_title":"\u30ce\u30f3\u30ab\u30d5\u30a7\u30a4\u30f3\u3067\u3042\u306a\u305f\u306b\u3084\u3055\u3057\u3044","provider_name":"Hatena Blog","blog_url":"https://akinobu.net/","published":"2022-01-06 12:49:59","version":"1.0","provider_url":"https://hatena.blog","author_name":"kuronekopunk","type":"rich","height":"190","categories":[],"description":"arr = [1, 2, 3, 2, 4, 1] arr.tally.filter_map { |k, v| k if v > 1 }.sort => [1, 2] arr.group_by{ |i| i }.reject{ |k,v| v.one? }.keys.sort => [1, 2] arr.filter_map{ |i| i if arr.count(i) > 1 }.uniq.sort => [1, 2]","image_url":null,"url":"https://akinobu.net/entry/2022/01/06/124959","width":"100%","author_url":"https://blog.hatena.ne.jp/kuronekopunk/","title":"Ruby \u914d\u5217\u3067\u91cd\u8907\u3057\u305f\u9805\u76ee\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fakinobu.net%2Fentry%2F2022%2F01%2F06%2F124959\" title=\"Ruby \u914d\u5217\u3067\u91cd\u8907\u3057\u305f\u9805\u76ee\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059 - \u30ce\u30f3\u30ab\u30d5\u30a7\u30a4\u30f3\u3067\u3042\u306a\u305f\u306b\u3084\u3055\u3057\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}