{"provider_url":"https://hatena.blog","type":"rich","version":"1.0","description":"\u4eca\u56de\u306f\u3001Count(LongCount)\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3067\u3059\u3002 Count\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6587\u5b57\u901a\u308a\u4ef6\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002 Count\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306e\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002 public static int Count<TSource>( this IEnumerable<TSource> source ) public static int Count<TSource>( this IEnumerable<TSource> source, Func<TSource, bool> predicate ) \u4e00\u3064\u76ee\u306e\u66f8\u5f0f\u304c\u4e00\u756a\u3088\u304f\u5229\u7528\u3055\u308c\u308b\u5f62\u306e\u3082\u306e\u3067\u3059\u306d\u3002 2\u3064\u3081\u306e\u66f8\u5f0f\u306f\u3001\u4e00\u3064\u76ee\u306e\u5206\u306bpredicat\u2026","published":"2010-09-09 00:00:00","url":"https://devlights.hatenablog.com/entry/20100909/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevlights.hatenablog.com%2Fentry%2F20100909%2Fp1\" title=\" Linq\u5165\u9580\u8a18-35 (LINQ To Object, Count, LongCount) - \u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\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>","image_url":null,"height":"190","provider_name":"Hatena Blog","categories":["C#","Linq"],"width":"100%","blog_title":"\u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18","blog_url":"https://devlights.hatenablog.com/","title":" Linq\u5165\u9580\u8a18-35 (LINQ To Object, Count, LongCount)","author_url":"https://blog.hatena.ne.jp/gsf_zero1/","author_name":"gsf_zero1"}