{"image_url":null,"author_name":"bleis-tift","url":"https://bleis-tift.hatenablog.com/entry/20081128/1227804146","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/bleis-tift/","version":"1.0","description":"null\u8a31\u5bb9\u578b\u306f\u3001\u5024\u578b\u306a\u306e\u306bnull\u3092\u683c\u7d0d\u3067\u304d\u308b\u578b\u3067\u3001C#\u3067\u306f\u3053\u3046\u66f8\u304f\u3002 int? i = null; // null\u304c\u683c\u7d0d\u3067\u304d\u308b\uff01 \u3053\u308c\u3068\u540c\u3058\u8003\u3048\u65b9\u3067\u3001\u53c2\u7167\u578b\u306a\u306e\u306bnull\u3092\u683c\u7d0d\u3067\u304d\u306a\u3044\u578b\u3068\u304b\u3042\u308b\u3068\u4fbf\u5229\u3058\u3083\u306d\uff1f\u3068\u8a00\u3046\u3053\u3068\u3067\u3001\u3069\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u306e\u304b\u4ee5\u4e0b\u5984\u60f3\u3002 null\u8a31\u5bb9\u578b\u306f\u5024\u578b\u306e\u672b\u5c3e\u306b?\u3092\u4ed8\u3051\u308b\u3053\u3068\u3092\u771f\u4f3c\u3066\u3001null\u4e0d\u53ef\u80fd\u578b\u3067\u306f\u53c2\u7167\u578b\u306e\u672b\u5c3e\u306b!\u3092\u4ed8\u3051\u308b\u3002 // string\u306enull\u4e0d\u53ef\u80fd\u578b\u306b\u306f\u6587\u5b57\u5217\u30ea\u30c6\u30e9\u30eb\u304bstring\u306enull\u4e0d\u53ef\u80fd\u578b\u304c\u521d\u671f\u5316/\u4ee3\u5165\u53ef\u80fd string! str = \"\"; string! str2 = str; // null\u4e0d\u53ef\u80fd\u578b\u306bnull\u306f\u521d\u671f\u5316/\u4ee3\u5165\u4e0d\u53ef // s\u2026","title":"null\u8a31\u5bb9\u578b\u3092\u307e\u306d\u3066\u3001null\u4e0d\u53ef\u80fd\u578b\u3068\u304b\u3092\u5984\u60f3\u3057\u3066\u307f\u305f","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbleis-tift.hatenablog.com%2Fentry%2F20081128%2F1227804146\" title=\"null\u8a31\u5bb9\u578b\u3092\u307e\u306d\u3066\u3001null\u4e0d\u53ef\u80fd\u578b\u3068\u304b\u3092\u5984\u60f3\u3057\u3066\u307f\u305f - \u3050\u308b\u3050\u308b\uff5e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_url":"https://bleis-tift.hatenablog.com/","categories":["C#","\u5984\u60f3"],"type":"rich","provider_url":"https://hatena.blog","published":"2008-11-28 01:42:26","blog_title":"\u3050\u308b\u3050\u308b\uff5e"}