{"author_url":"https://blog.hatena.ne.jp/noriok/","categories":[],"version":"1.0","height":"190","blog_title":"C#\u7df4\u7fd2\u65e5\u8a18","title":"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c null \u306e\u5834\u5408\u3067\u3082\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u306f\u53ef\u80fd","image_url":null,"url":"https://noriok.hatenadiary.jp/entry/2016/06/13/231558","type":"rich","provider_name":"Hatena Blog","author_name":"noriok","published":"2016-06-13 23:15:58","provider_url":"https://hatena.blog","description":"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c null \u306e\u5834\u5408\u306b\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u3092\u884c\u3046\u3068\u3001System.NullReferenceException \u4f8b\u5916\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u304c\u3001\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c null \u3067\u3082\u547c\u3073\u51fa\u3057\u304c\u53ef\u80fd\u3067\u3059\u3002 using System; public class Foo { public void Hello() { Console.WriteLine(\"Hello!!\"); } } public static class Extension { public static void Goodbye(this Foo foo) { Console.WriteLine(\"Goodbye!!\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnoriok.hatenadiary.jp%2Fentry%2F2016%2F06%2F13%2F231558\" title=\"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c null \u306e\u5834\u5408\u3067\u3082\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u306f\u53ef\u80fd - C#\u7df4\u7fd2\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","blog_url":"https://noriok.hatenadiary.jp/"}