{"author_name":"yuichi_katahira","author_url":"https://blog.hatena.ne.jp/yuichi_katahira/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkatahirado.hatenablog.com%2Fentry%2F20081209%2F1228781545\" title=\"mkstring - \u4ed9\u53f0 Ruby Vim JavaScript \u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30d7\u30ed\u30b0\u30e9\u30de\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"provider_url":"https://hatena.blog","blog_url":"https://katahirado.hatenablog.com/","description":"Scala scala> val lst=List(1,2,3) lst: List[Int] = List(1, 2, 3) scala> lst.mkString(\"|\") res17: String = 1|2|3 scala> lst.mkString(\"[\", \"|\", \"]\") res18: String = [1|2|3] Ruby >> array=[1,2,3] => [1, 2, 3] >> array.join(\"|\") => \"1|2|3\" >> \"[#{array.join(\"|\")}]\" => \"[1|2|3]\" \u3080\u3080\u3002","type":"rich","url":"https://katahirado.hatenablog.com/entry/20081209/1228781545","width":"100%","provider_name":"Hatena Blog","version":"1.0","published":"2008-12-09 09:12:25","title":"mkstring","categories":["Scala","Ruby"],"height":"190","blog_title":"\u4ed9\u53f0 Ruby Vim JavaScript \u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u30d7\u30ed\u30b0\u30e9\u30de"}