摘要： i.respective classes and interfaces related asychronouse invoking in .Net FrameWork. a) IAsycResult interface IAsyncResult stores relative asynchronouse invoking information,includi... 阅读全文

摘要： 1.Thread classification in .Net Framework (CLR [Common Language Runtime] Thread support) i.System.Threading.Thread; ii.System.Diagnostics.ProcessThread ( present an Operating system Th... 阅读全文

摘要： 1.what is Event in C# simplely speaking,Event in C# is that as one instance does one behaviour, it will receive the message and then react with the message. 2.Event Happening&Re-acting Mechan... 阅读全文

摘要： 1.How to install WCF you can locate o website: http://blogs.msdn.com/madhuponduru/archive/2006/02/22/537622.aspx (it 's supported only by windowsxp,2000,server2003,vista) 2 What is WCF(Windo... 阅读全文

摘要： MSMQ可以使得在不同计算机的application之间异步或者同步通讯，而且MSMQ不要求message的发送或者接收端的网络状态，即可以是offline的状态，也可以是online，而MSMQ service会自动检测消息接受或者目标端的状态。MSMQ可以发送各种各样的消息，简单到普通文本，再到transactional message,或者是大型对象的message均可。本文介绍了几种不同类型的消息发送和接收。 阅读全文

摘要： MSMQ is a technichque through which the processes or computers in distributed systems communicate and exchange data asychrounsely and stablely. 2 the type of MSMQ: 1.Private MQ this kind of MSMQ can... 阅读全文

摘要： 一、delete产生rollback，如果删除大数据量的表速度会很慢，同时会占用很多的rollback segments .truncate 是DDL操作，不产生rollback，速度快一些. Truncate table does not generate rollback information and redo records so it is much faster than d... 阅读全文

摘要： The original Linklist is as diagram shown: the codes are following node *reverse(node *head) { node *p1,*p2,*p3; if(head==NULL || head->next=-NULL) return head; //p1-->previou... 阅读全文

摘要： A: Never. cos virtual functions has costs. Each object of virtual function must have a v table to manage them.Therefore using virtual function will need system costs. for only a very small class and ... 阅读全文

摘要： A: virtual function uses virtual calling. virtual calling is a kind of operation mechanism which can run on the condition of part information being provided. it allows us to call a function that... 阅读全文