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SE80 -- edit source code. SE24 -- class create or display. SFP -- created and maintained independently of Web Dynpro applications using the Form Builder. SFW1 SFW2 SFW3 -- 与增强有关 SY-SUBRC 返 回代码值( 0,如果操 作成功)   SY-UNAME 用 户的登录名   SY-DATUM 当 前日期   SY-UZE…

1.how to find invalid status stored procedure and recompile them? SELECT OBJECT_NAME , status FROM user_objects WHERE OBJECT_TYPE = 'PROCEDURE'; Alter procedure schme.procedurename compile; 缺少练习的学习不是完整的学习,练习才是学习,总结才有思考. SELECT OBJECT_NAME , STATUS FR…

使用overlapped I/O并搭配event对象-----win32多线程-异步(asynchronous) I/O事例,会产生两个基础性问题. 第一个问题是,使用WaitForMultipleObjects(),你只能等待最多达MAXIMUM_WAIT_OBJECTS个对象,在Windows NT中此值最大为64. 第二个问题是,你必须不断根据“那一个handle被激发”而计算如何反应.你必须有一个分派表格(dispatch table)和WaitForMultipleObjects()的…

Drag and Drop is a common operation that makes the interface user friendly: a user can drag/drop information to controls instead of having to type etc. The following sample explains basics of drag and drop. For detailed information you should refer t…

本文转自:http://geekswithblogs.net/stun/archive/2009/03/05/mapping-stored-procedure-parameters-in-ssis-ole-db-source-editor.aspx I was working on a SSIS Data Flow Task by passing Package Variables into a Stored Procedure. I will be using [AdventureWorks]…

Code First - Insert, Update, Delete Stored Procedure Mapping: Entity Framework 6 Code-First provides the ability to create and use a stored procedure for add, update, and delete operations. This was not possible in the previous versions of Entity Fra…

8.4 Confidence Intervals for One Population Mean When σ Is Unknown 原先是 standardized version of x bar: 当没有提供population 的标准差时,采用S(样本标准差作为population 标准差),即studentized version of x bar t-Distributions and t-Curves t-curves have more spread than the stand…

Confidence Intervals for One Population Mean When σ Is Known Obtaining Confidence Intervals for a Population Mean When σ Is Known The z-interval procedure works reasonably well even when the variable is not normally distributed and the sample size is…

    一.UPnP简介   UPnP(Universal Plug and Play)技术是一种屏蔽各种数字设备的硬件和操作系统的通信协议.它是一种数字网络中间件技术,建立在TCP/IP.HTTP协议之上,采用XML来描述设备和控制信息.这种技术最开始是被微软,因特尔等公司使用在数字家庭中的,用来在家庭网络中完成多媒体资源共享,家电一体化等功能,例如在各种家电上实现IP数字化,加入网络传输和控制部分,从而让家电能组建UPnP网络,这种技术能让人们在上班或者外地出差时能查看家庭情况,如:是否有家…