{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhacchi-man.hatenablog.com%2Fentry%2F2023%2F08%2F04%2F220000\" title=\"\u3010C#\u3011\u6574\u6570\u5024\u3092\u7279\u5b9a\u306e\u65b9\u6cd5\u3067\u5909\u63db\u3057\u3066\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u5217\u3068\u3057\u3066\u8fd4\u3059\u51e6\u7406 - \u3046\u306b\u3066\u3043\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://hacchi-man.hatenablog.com/","type":"rich","url":"https://hacchi-man.hatenablog.com/entry/2023/08/04/220000","image_url":null,"categories":[],"author_url":"https://blog.hatena.ne.jp/hacchi_man/","provider_name":"Hatena Blog","author_name":"hacchi_man","published":"2023-08-04 22:00:00","description":"private string GetNumberName(int num) { string result = \"\"; while (num >= 0) { result = (char)(num % 26 + 'A') + result; num = num / 26 - 1; } return result; } // A GetNumberName(0) // Z GetNumberName(25) // AA GetNumberName(26) // MHYV GetNumberName(234567)","title":"\u3010C#\u3011\u6574\u6570\u5024\u3092\u7279\u5b9a\u306e\u65b9\u6cd5\u3067\u5909\u63db\u3057\u3066\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u5217\u3068\u3057\u3066\u8fd4\u3059\u51e6\u7406","width":"100%","blog_title":"\u3046\u306b\u3066\u3043\u30d6\u30ed\u30b0","height":"190","provider_url":"https://hatena.blog"}