{"blog_url":"https://baba-s.hatenablog.com/","width":"100%","title":"\u3010C#\u3011\u4e8c\u91cd\u30eb\u30fc\u30d7\u3092 LINQ \u3067\u8a18\u8ff0\u3059\u308b","published":"2020-01-10 09:00:00","url":"https://baba-s.hatenablog.com/entry/2020/01/10/090000","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaba-s.hatenablog.com%2Fentry%2F2020%2F01%2F10%2F090000\" title=\"\u3010C#\u3011\u4e8c\u91cd\u30eb\u30fc\u30d7\u3092 LINQ \u3067\u8a18\u8ff0\u3059\u308b - \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>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/baba_s/20180826/20180826160156.png","blog_title":"\u30b3\u30ac\u30cd\u30d6\u30ed\u30b0","version":"1.0","author_name":"baba_s","categories":["C#"],"author_url":"https://blog.hatena.ne.jp/baba_s/","provider_url":"https://hatena.blog","type":"rich","height":"190","description":"\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9 \u901a\u5e38 var list1 = Enumerable.Range( 1, 3 ); var list2 = Enumerable.Range( 1, 3 ); foreach ( var i1 in list1 ) { foreach ( var i2 in list2 ) { Console.WriteLine( i1 + \", \" + i2 ); } } LINQ var list1 = Enumerable.Range( 1, 3 ); var list2 = Enumerable.Range( 1, 3 ); var result = list1.SelectMany( i\u2026"}