{"provider_url":"https://hatena.blog","description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 public static T FirstOrDefault<T> ( this IEnumerable<T> self, Func<T, bool> predicate, T defaultValue ) { foreach ( var x in self ) { if ( predicate( x ) ) return x; } return defaultValue; }","provider_name":"Hatena Blog","categories":[],"version":"1.0","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2023%2F08%2F30%2F092720\" title=\"\u3010C#\u3011\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b FirstOrDefault - \u30b3\u30ac\u30cd\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>","author_url":"https://blog.hatena.ne.jp/baba_s/","published":"2023-08-30 09:27:20","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","image_url":null,"url":"https://baba-s.hatenablog.com/entry/2023/08/30/092720","author_name":"baba_s","type":"rich","height":"190","title":"\u3010C#\u3011\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b FirstOrDefault","blog_url":"https://baba-s.hatenablog.com/"}