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Recent snippets for: Yuzhen Situ
NSData *soundData = [NSData dataWithContentsOfURL:url]; AVAudioPlayer *avPlayer = [[AVAudioPlayer alloc] initWithData:soundData error: nil]; [avPlayer play];
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NSArray *myImages = [NSArray arrayWithObjects: [UIImage imageNamed:@"myImage1.png"], [UIImage imageNamed:@"myImage2.png"], [UIImage imageNamed:@"myImage3.png"], [UIImage imageNamed:@"myImage4.gif"], nil]; UIImageView *myAnimatedView = [UIImageView alloc]; [myAnimatedView initWithFrame:[self bounds]]; myAnimatedView.animationImages = myImages; myAnimatedView.animationDuration = 0.25; myAnimatedView.animationRepeatCount = 0;
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对《一个完善的ODBC数据库程序》一文的补充
作者:刘永超
下载源代码
编者注:本文是作者对不久前发布的一篇文章的补充,在阅读本文之前,最好先看一下原来的文章:“一个完善的ODBC数据库程序”。
从方便用户的角度考虑,应该在程序中采用动态创建数据源。经过编者的提醒,我查找了一些资料,还好最终实现了。代码如下:
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/* * test for Binary Tree * Vencient Yu */ /**/////////////////////////////////////////////// // //filename: binaryTree.cpp //
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从MSDN找到的,有空在给你试一下吧 改IP地址可以用AddIPAddress DWORD AddIPAddress( IPAddr Address // IP address to add IPMask IpMask //subnet mask for IP address DWORD IfIndex // index of adapter PULONG NTEContext // Net Table Entry context PULONG NTEInstance // Net Table Entry Instance ); 改网关:
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[url]http://hi.baidu.com/lujin49/blog/item/6fb971dafbc9aed8b6fd48e7.html[/url],向原作者表示敬意和感谢。 在这里需要使用一个cmd命令。就叫:netsh 具体的使用方法见: [url]http://rrot.blogchina.com/4146076.html[/url] 我将这些内容总结一下,以便于以后使用: 1、修改本机IP地址 并指定掩码: netsh interface ip set address "本地连接" static 192.168.1.15 255.255.255.0 192.168.1.1 1 2、给本机添加新的IP地址
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首先在程序的uses段中添加对ShellApi的引用,另外还要在“创建”按钮的响应过程中添加下列代码: procedure TForm1.btnCreateClick(Sender: TObject); begin CreateDirectory(PChar(ExtractFilePath(ParamStr(0))+’Test’),nil); end; 程序运行初期就会执行CreateDirectory(PChar(ExtractFilePath(ParamStr(0))+’Test’),nil)语句,在程序实例所在的目录中创建一个子目录test。 在程序运行过程中,单击“删除”按钮就可以将新创建的test子目录删除,响应代码如下:
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unit UnitCutPic;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs;
type
TFrmCutPic = class(TForm)
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uses mshtml;
var htmldoc: IHTMLDocument2;
MaxScrollWidth, MaxScrollHeight: Integer;
htmldoc := web.Document as IHTMLDocument2;
MaxScrollHeight := htmldoc.body.getAttribute('ScrollHeight', 0); //获得滚动条最大高度
MaxScrollWidth := htmldoc.body.getAttribute('ScrollWidth', 0);//获得滚动条最大宽度
Web.OleObject.Document.ParentWindow.ScrollBy(MaxScrollWidth, MaxScrollHeight ); //滚动到最右最下
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Delphi中canvas(画布)的运用。 在DELPHI为编程者提供了一个灵活的绘图场所,即本文所述的 CANVAS类,在DELPHI中的很多控件都具有此属性,使编程者可以 在这些的控件的表面随心所欲的绘图,这对完善用户界面或者制 作一些屏幕特技都有着非凡的作用,下面举例说明几种特殊屏幕 效果的形成过程。 一、CANVAS必备基本知识:
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var d:THandle;
begin
d:=getdc(panel1.Handle);
bitblt(image2.Canvas.Handle,0,0,panel1.Width,panel1.Height,d,0,0,srccopy);
ReleaseDC(panel1.Handle,d);
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unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ComCtrls; type TForm1 = class(TForm)
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unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, nb30; // use nb30; type TForm1 = class(TForm)
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// WakeOnLan - commandline application to start computers via wake on lan enbaled // network interface card. // Author: erik.tornstam@home.se // Copyright: erik.tornstam@home.se #include "stdio.h" #include "iostream.h" #include "winsock2.h"
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,========================================================================= ,这个就是很多大哥们在网上苦苦寻找的代码。 ,========================================================================= ,CMagicPacket.cls '************************************************************************ ' ' CMagicPacket - AMD Magic Packet (Wake-On-Lan) Class Module (v1.1) ' By Richard Larson, 1999/2000 - Requires VB 6.0 or better. ' ' This class encapsulates the functionality necessary to send Wake-on-Lan
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procedure TForm1.Button1Click(Sender: TObject); var SendCode:string; TempStr:string; i:byte; begin SendCode:=StringofChar(#255,6); for i:=0 to 15 do begin TempStr:=TempStr
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Address( row, column, ref_type, ref_style, sheet_name ) =Address(4, 5) would return "$E$4" =Address(4, 5, 1) would return "$E$4" =Address(4, 5, 2) would return "E$4" =Address(4, 5, 3) would return "$E4" =Address(4, 5, 4) would return "E4" =Address(4, 5, 1, TRUE) would return "$E$4" =Address(4, 5, 1, FALSE) would return "R4C5" =Address(4, 5, 1, TRUE, "Sheet1") would return "Sheet1!$E$4"
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view plaincopy to clipboardprint? AnsiString GetExcelRangeCode(int row, int col) { AnsiString asExcelCode = "" ; while ( col ) { asExcelCode = (AnsiString)(char)('A'+(col-1)%26) + asExcelCode ; col = (col-1)/26 ; } return asExcelCode ;//+IntToStr(row) ; }
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function CodeFormat(SpaceCode: string): string;
begin
with TStringList.Create do
begin
CommaText := SpaceCode;
Delimiter := '-';
Result := DelimitedText;
end;
end;
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