月归档:2012年05月

Running Cloudera in Distributed Mode

Running Cloudera in Distributed Mode

This section contains instructions for Cloudera Distribution for Hadoop (CDH3) installation on ubuntu. This is CDH[……]

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Running Cloudera in Distributed Mode

Running Cloudera in Distributed Mode

This section contains instructions for Cloudera Distribution for Hadoop (CDH3) installation on ubuntu. This is CDH[……]

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Managing Memory-Mapped Files

Managing Memory-Mapped Files

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Randy Kath
Microsoft Developer Network Technology Group

Created: Feb[……]

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Managing Memory-Mapped Files

Managing Memory-Mapped Files

65 out of 91 rated this helpful Rate this topic

 

Randy Kath
Microsoft Developer Network Technology Group

Created: Feb[……]

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Limit MongoDB memory use on Windows without Virtualization

Limit MongoDB memory use on Windows without Virtualization

Posted on February 27, 2011

I’ve seen the question of how to control MongoDB’s memory u[……]

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7 tricks to simplify your programs with LINQ

7 tricks to simplify your programs with LINQ

Ever since I learned about LINQ, I keep discovering new ways to use it to improve my code. Every trick ma[……]

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并发数据结构 : .NET Framework 中提供的读写锁

并发数据结构 : .NET Framework 中提供的读写锁

在多线程编程时,开发人员经常会遭遇多个线程读写某个资源的情况。这就需要进行 线程同步来保证线程安全。一般情况下,我们的同步措施是使用锁机制。但是,假如线程只对资源进行读取操作,那么根本不需要使用锁;反之,假如线程只对资源 进行写入操作,则[……]

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SQL Server 2005之嵌套事务学习

SQL Server 2005之嵌套事务学习

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显 式事务可以嵌套,即在显式事务中开始另一个显式事务是可能的。支持嵌套事务的最重要原因是为了允许在存储过程中使用事务而不必顾及这个事务本身是否是在另 一个事务中被调用的。但是SQL Server是如何处理嵌套事务的?我们可[……]

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SQL Server 2005之嵌套事务学习

SQL Server 2005之嵌套事务学习

83

推荐

显 式事务可以嵌套,即在显式事务中开始另一个显式事务是可能的。支持嵌套事务的最重要原因是为了允许在存储过程中使用事务而不必顾及这个事务本身是否是在另 一个事务中被调用的。但是SQL Server是如何处理嵌套事务的?我们可[……]

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Is MERGE an atomic statement in SQL2008?

Is MERGE an atomic statement in SQL2008?

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I am using a MERGE statement as an UPSERT to eit[……]

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