neue cc - LINQã®Whereã‚„Select連打ã®ãƒ‘フォーマンス最é©åŒ–ã«ã¤ã„ã¦
Where連打ã—ã¦ã„ã¾ã™ã‹ï¼Ÿãã‚Œã¨ã‚‚パフォーマンスã®æ‚ªåŒ–を心é…ã—ã¦&&連çµã«ã—ã¦ã„ã¾ã™ã‹ï¼ŸLINQã®ä»•çµ„ã¿ï¼†é…延評価ã®æ£ã—ã„åŸºç¤ŽçŸ¥è˜ ï¼ ï¼ ITã§ã¯Where+Selectã«å¯¾ã—㦠「WhereSelectEnumerableIteratorã€ã¨ãªã£ã¦ã„ã¦ã€åå‰ã®ã¨ãŠã‚Šã€Whereã¨SelectãŒçµ±åˆã•ã‚Œã¦ã„ã‚‹ã“ã¨ã§ã™ã€‚ã“ã‚Œã¯ã€ã€ŒWhereã€->「Selectã€ãŒé »å‡ºãƒ‘ターンãªã®ã§ã€ãれらを統åˆã™ã‚‹ã“ã¨ã§ãƒ‘フォーマンスをå‘上ã•ã›ã‚‹ãŸã‚ã§ã—ょã†ã€‚ ã¨æ›¸ãã¾ã—ãŸãŒã€ã§ã¯é€£æ‰“ã®å ´åˆã¯ã©ã†ãªã£ã¦ã„ã‚‹ã§ã—ょã†ã‹ã€‚見ã¦ã¿ã¾ã—ょã†ã€‚ var seq1 = Enumerable.Range(1, 10) .Where(x => x % 2 == 0) .Where(x => x % 3 == 0); // ã©ã†ã§ã‚‚ã„ã„ã‚“ã§ã™ãŒã€ã“ã‚Œã¯Visual Studio 11 Betaã§ã™ã€‚VS11最高ã§ã™ã‚ˆï¼ @
Reactive Extensionsã§éžåŒæœŸå‡¦ç†ã‚’ç°¡å˜ã«
2. Profile ï‚› Twitter => @neuecc ï‚› Blog => http://neue.cc/ ï‚› HNã¯neuecc èªã‚€ã¨ãã¯â€œã®ã„ãˆâ€ã¨èªã¾ã›ã¦ã¾ã™ ï¬ ãƒ‰ãƒ¡ã‚¤ãƒ³ç¹‹ã„ã ã ã‘ãªã®ã§ç™ºéŸ³ã™ã‚‹ã®è€ƒãˆã¦ãªã‹ã£ ãŸ(ã®ã§ccã¯æŠœãã§â†ç™ºéŸ³ã—ã«ãã„ã§ã™ã‹ã‚‰) ï‚› Microsoft MVP for Visual C#(2011/4-) ï‚› WP7ã§ä½œã£ãŸç‰© ï¬ ReactiveOAuth, Utakotoha ï‚› WP7ã®å¥½ããªtheme ï¬ light + lime 3. Agenda ï‚› LINQã®æ¦‚è¦/LINQã¨ã—ã¦ã®Reactive Extensions ï‚› éžåŒæœŸå‡¦ç†ã®é¢å€’ã•ã¨å¦‚何ã«RxãŒç™’ã™ã‹ ï‚› .NETã«ãŠã‘ã‚‹éžåŒæœŸãƒ‘ターンã®èª¬æ˜Ž ï‚› Rxã®åŸºæœ¬(è³¼èª, ã‚ャンセル, 例外処ç†) ï‚› éžåŒæœŸå‡¦ç†ã§ä½¿ã†Rxã®ãƒ¡ã‚½ãƒƒãƒ‰æ¦‚ç•¥ ï‚› 作ã£ãŸç‰©ç´¹ä»‹
IronRuby and the Reactive Extensions for .NET Together at Last | Matthew Podwysocki
IronRuby and the Reactive Extensions for .NET Together at Last Recently, there was a release of IronRuby 1.1, which had a number of new features including targeting .NET 4 only, as well as the most interesting part, the support for Extension Methods. Taking a cue from the examples, we can write a simple LINQ comprehension using extension methods defined in the System.Core library’s System.Linq na
ヒマをã¿ã¤ã‘ã¦Web開発 | Cassandraã®LINQProvider作ã£ãŸã‚ˆï¼ˆï¿£âˆ‡ ï¿£ ）
今をã¨ãã‚ãCassandraã®ã€LINQプãƒãƒã‚¤ãƒ€ã‚’作ã£ã¦ã¿ã¾ã—ãŸï¼ˆï¿£âˆ‡ ï¿£ ） Cassandraemon in CodePlex Cassandraemon ã“ã‚“ãªæ„Ÿã˜ã§ã€ãƒ‡ãƒ¼ã‚¿ã‚’å–ã£ã¦ã“ã‚Œã¾ã™ã€‚ public class Product { public int ID { get; set; } public string Name { get; set; } } using(var context = new CassandraContext("localhost", 9160, "KeySpace1")) { var products = from x in context.ColumnList where x.Key == "1" && x.ColumnFamily == "Product" select x.ToObject<product>(); foreach(var
GitHub - DbLinq/dblinq2007: LINQ provider for Oracle, PostgreSQL, MySQL, Ingres, SQLite, Firebird and ... SQL Server
Archived project: this project is not maintained anymore. #Welcome to DbLinq ##LINQ provider for Oracle, PostgreSQL, MySQL, Ingres, SQLite, Firebird and ... SQL Server (C# 3.0) DbLinq is THE LINQ provider that allows to use common databases with an API close to Linq to SQL. It currently supports (by order of appearance): MySQL, Oracle, PostgreSQL, SQLite, Ingres, Firebird... And still SQL Server.
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
Microsoft - AIã€ã‚¯ãƒ©ã‚¦ãƒ‰ã€ç”Ÿç”£æ€§å‘上ã€ã‚³ãƒ³ãƒ”ューティングã€ã‚²ãƒ¼ãƒ ã€ã‚¢ãƒ—リ
Google Code Archive - Long-term storage for Google Code Project Hosting.
Loading...
{{#tags}}- {{label}}
{{/tags}}