You imagine? Right, there s more than one possibility, this time I ll give you tree. One for your private data, one for the common data in order to receive data from other applications like Excel, WinWord etc. and at last, I ll give you a handy-dandy class you can derive ANY MFC object from, to make it a drop target
Sqlserver2000壓力測試
數(shù)據(jù)庫請自己建，附腳本。不懂的可以發(fā)郵件問我：killwolf@163.com
10萬
109640ms 插入
23078ms 清空
20萬
216281ms
8391馬上
40萬：
416781
9381
if exists (select * from dbo.sysobjects where id = object_id(N [dbo].[StuInfo] ) and OBJECTPROPERTY(id, N IsUserTable ) = 1)
drop table [dbo].[StuInfo]
GO
CREATE TABLE [dbo].[StuInfo] (
[StuID] [float] NULL
) ON [PRIMARY]
GO
DevExpress.ExpressSideBar.v5.37.for.Delphi.BCB.Full.Source
delphi和 bcb源碼，能輕松實現(xiàn)outlook風格的側邊欄，效果很好，推薦！
ExpressSideBar is a VCL implementation of the MS
Outlook bar. Designed to be easy to use and built with
a significant feature set. Just drop it on a form,
double click the control and in a few moments, you can
customize the ExpressSideBar for your needs.
螺旋槳PID控制
In response to constant pressure to design more efficient, faster, smaller, and better systems, engineers are constantly looking for ways to improve existing designs or replace them with better ones. Facing large fuel costs, the aerospace industry in particular has been researching alternative designs to increase fuel efficiency and performance. One such alternative is the development of reconfigurable aircraft wings. These wings would be able to adapt to the current environment increasing lift or reducing drag when appropriate.
Windows CE 1.0 does not support the cascading menu. In the use of Windows CE 1.0, it can not insert a MF_POPUP menu to another drop-down menu. Window CE 1.0 does not support the following signs:
orumThemes.com - Breezet vBulletin Theme
www.forumthemes.com
ForumThemes.com would like to thank you for purchasing one of our themes. If at
anytime you have any problems with installation please visit our forums at
www.forumthemes.com/forums.
Included
- Fluid XML files
- Custom Java Script for drop downs (clientscript) (All it does is remove the little white arrows in the drop downs)
alter table tbl_name add col_name type
例如,給表增加一列weight
mysql>alter table pet add weight int
刪除列
alter table tbl_name drop col_name
例如，刪除列weight：
mysql>alter table pet drop weight
改變列
alter table tbl_name modify col_name type
例如，改變weight的類型：
mysql> alter table pet modify weight samllint
另一種方法是：
alter table tbl_name change old_col_name col_name type
例如：
mysql> alter table pet change weight weight samllint
給列更名
mysql>alter table pet change weight wei
給表更名
alter table tbl_name rename new_tbl
例如，把pet表更名為animal
mysql>alter table pet rename animal
This is a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with QoS mechanisms. The payload type including circuit-switched voice, VoIP and web traffic, and the performance including packet drop, delay can be analyzed. The implemented QoS mechanism is DiffServ, with 4 RED queues for different services with different priorities.
