{"title":"LINQ\u306e\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u4e00\u89a7\u3068\u3001\u307b\u307c\u5168\u90e8\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002","description":"C#\u306eLINQ\u30e1\u30bd\u30c3\u30c9\u306f\u8d85\u4fbf\u5229!!\u3001\u306a\u3093\u3067\u3059\u304c\u2026\u809d\u5fc3\u306eAPI\u304c\u308f\u304b\u308a\u3065\u3089\u3044\u3067\u3059\u3002 \u305d\u3053\u3067\u3001\u7a2e\u985e\u3054\u3068\u306b\u307e\u3068\u3081\u3066\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002 \u7d50\u679c\u306e\u8868\u793a\u306b\u3001\u72ec\u81ea\u306e\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9 ToResult(this IEnumerable) \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u672c\u6587\u306e\u6700\u5f8c\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3053\u3061\u3089\u3002 \u8981\u7d20\u306e\u53d6\u5f97\uff08\u5358\u4e00\uff09 \u30e1\u30bd\u30c3\u30c9\u540d \u6a5f\u80fd ElementAtElementAtOrDefault \u6307\u5b9a\u3057\u305f\u4f4d\u7f6e(\u30a4\u30f3\u30c7\u30c3\u30af\u30b9)\u306b\u3042\u308b\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002 FirstFirstOrDefault \u6700\u521d\u306e\u8981\u7d20\u3092\u8fd4\u3057\u307e\u3059\u3002 LastLastOrDefault \u6700\u5f8c\u306e\u8981\u7d20\u3092\u8fd4\u3057\u307e\u2026","height":"190","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyujisoftware.hatenablog.com%2Fentry%2F20111031%2F1320068429\" title=\"LINQ\u306e\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u4e00\u89a7\u3068\u3001\u307b\u307c\u5168\u90e8\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002 - \u5730\u5e73\u7dda\u306b\u884c\u304f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://yujisoftware.hatenablog.com/entry/20111031/1320068429","published":"2011-10-31 22:40:29","width":"100%","blog_title":"\u5730\u5e73\u7dda\u306b\u884c\u304f","provider_url":"https://hatena.blog","categories":["C#","LINQ"],"author_name":"chiheisen","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/chiheisen/","blog_url":"https://yujisoftware.hatenablog.com/"}