{"image_url":null,"blog_url":"https://mametter.hatenablog.com/","provider_name":"Hatena Blog","categories":["Ruby"],"type":"rich","height":"190","version":"1.0","published":"2009-04-23 00:00:00","author_url":"https://blog.hatena.ne.jp/ku-ma-me/","width":"100%","description":"\u3068\u601d\u3044\u307e\u305b\u3093\uff1f def foo(x) end foo(1, 2) #=> wrong number of arguments (2 for 1) (ArgumentError) 1.step(10, 0) { } #=> step can't be 0 (ArgumentError) a = []; a << a a.flatten #=> tried to flatten recursive array (ArgumentError) \u78ba\u304b\u306b\u3069\u308c\u3082 Argument \u306b\u95a2\u3059\u308b Error \u3067\u306f\u3042\u308b\u3093\u3060\u3051\u3069 *1 \u3001\u5168\u90e8\u540c\u3058\u4f8b\u5916\u30af\u30e9\u30b9\u3068\u3044\u3046\u306e\u306f\u7c97\u3059\u304e\u3067\u3059\u3088\u306d\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u8aad\u3081\u3070\u610f\u5473\u306f\u308f\u304b\u308b\u304b\u3089\u30c7\u2026","provider_url":"https://hatena.blog","url":"https://mametter.hatenablog.com/entry/20090423/p1","title":" Ruby \u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u5206\u985e\u304c\u7c97\u3059\u304e\u308b or \u7d30\u304b\u3059\u304e\u308b","author_name":"ku-ma-me","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmametter.hatenablog.com%2Fentry%2F20090423%2Fp1\" title=\" Ruby \u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u5206\u985e\u304c\u7c97\u3059\u304e\u308b or \u7d30\u304b\u3059\u304e\u308b - \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>","blog_title":"\u307e\u3081\u3081\u3082"}