{"image_url":null,"version":"1.0","url":"https://blog.nishimu.land/entry/20071130/1196438912","published":"2007-11-30 01:08:32","blog_url":"https://blog.nishimu.land/","height":"190","title":" \u5f8c\u7f6e\u8a18\u6cd5\u3067\u306e\u8a08\u7b97\u306e\u6dfb\u524a\u306b\u4fbf\u4e57\u3057\u3066\u307f\u305f","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.nishimu.land%2Fentry%2F20071130%2F1196438912\" title=\" \u5f8c\u7f6e\u8a18\u6cd5\u3067\u306e\u8a08\u7b97\u306e\u6dfb\u524a\u306b\u4fbf\u4e57\u3057\u3066\u307f\u305f - \u3061\u306a\u307f\u306b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u3061\u306a\u307f\u306b","author_name":"Sixeight","type":"rich","author_url":"https://blog.hatena.ne.jp/Sixeight/","description":"UK\u3055\u3093\u306e404 NotFound\uff5c\u30b9\u30c6\u30ad\u306a\u30a6\u30a8\u30c7\u30a3\u30f3\u30b0\u3092\u3046\u3058\u3072\u3055\u3055\u3093\u304cnowa \u30b5\u30fc\u30d3\u30b9\u7d42\u4e86\u306e\u304a\u77e5\u3089\u305b\u306b\u3066\u6dfb\u524a\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3001\u4fbf\u4e57\u3057\u3066\u50d5\u3082\u66f8\u3044\u3066\u307f\u305f\u3002\u307e\u3060\u3046\u3058\u3072\u3055\u3055\u3093\u306e\u30b3\u30fc\u30c9\u306f\u8aad\u3093\u3067\u306a\u3044\u3002\u3044\u307e\u50d5\u304c\u6301\u3063\u3066\u308b\u77e5\u8b58\uff08\u5f53\u7136\u30de\u30cb\u30e5\u30a2\u30eb\u306f\u53c2\u7167\u3057\u305f\uff09\u3092\u4f7f\u3063\u3066\u50d5\u306a\u3089\u3069\u3046\u66f8\u304f\u304b\u3068\u3044\u3046\u73fe\u6bb5\u968e\u306e\u50d5\u306e\u7b54\u3048\u3067\u3059\u3002 \u307e\u305a\u3001\u5143\u306e\u30b3\u30fc\u30c9 class String def rpn @expr = self.split(\" \") stack = Array.new @expr.each {|i| if i == \"+\" || i == \"-\" || i == \"*\" || i == \"/\" stack = calc(i, st\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","categories":["Ruby"]}