{"version":"1.0","published":"2009-01-02 00:00:00","height":"190","title":" \u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306e\u8ce2\u3044\u7701\u7565","type":"rich","url":"https://mametter.hatenablog.com/entry/20090102/p1","categories":["Ruby"],"blog_title":"\u307e\u3081\u3081\u3082","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmametter.hatenablog.com%2Fentry%2F20090102%2Fp1\" title=\" \u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306e\u8ce2\u3044\u7701\u7565 - \u307e\u3081\u3081\u3082\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/ku-ma-me/","description":"Ruby \u306f\u4f8b\u5916\u7d42\u4e86\u6642\u306b\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u8868\u793a\u3057\u307e\u3059\u304c\u3001\u9577\u3044\u3068\u304d\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7701\u7565\u3092\u3057\u307e\u3059\u3002 $ ruby19 -e ' def fib(n) n <= 1 ? n : fib(n - 1) + fib(n - 2) end fib(30000) ' -e:3:in `fib': stack level too deep (SystemStackError) from -e:3:in `fib' from -e:3:in `fib' from -e:3:in `fib' from -e:3:in `fib' from -e:3:in `fib' from -e:3:in `fib' from \u2026","blog_url":"https://mametter.hatenablog.com/","provider_name":"Hatena Blog","author_name":"ku-ma-me","image_url":null}