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LINQ: .NET Language-Integrated Query Don Box, Anders HejlsbergFebruary 2007Applies to:Visual Studio Code Name "Orcas".Net Framework 3.5Summary: General-purpose query facilities added to the .NET Frame... 阅读全文
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Visual Studio Technical ArticlesAn Extensive Examination of Data StructuresScott Mitchell4GuysFromRolla.comMarch 2004Summary: A graph, like a tree, is a collection of nodes and edges, but has no rules... 阅读全文
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简介:微软SQL Server数据库SQL语句导入导出大全,包括与其他数据库和文件的数据的导入导出。/******* 导出到excel EXEC master..xp_cmdshell ’bcp SettleDB.dbo.shanghu out c:temp1.xls -c -q -S"GNETDATA/GNETDATA" -U"sa" -P""’ /***********... 阅读全文
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一,哈希表(Hashtable)简述在.NET Framework中,Hashtable是System.Collections命名空间提供的一个容器,用于处理和表现类似key/value的键值对,其中key通常可用来快速查找,同时key是区分大小写;value用于存储对应于key的值。Hashtable中key/value键值对均为object类型,所以Hashtable可以支持任何类型的key/... 阅读全文