大约有 548 项符合查询结果(耗时:0.0117秒) [XML]
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...
I don't think so, necessarily. IDisposable technically is meant to be used for things that have non-managed resources, but then the using directive is just a neat way of implementing a common pattern of try .. finally { dispose }.
A purist would argue 'yes - it's...
Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...的保护的源文件及文件的复制,不可复制也是缺点。
2、源码是自己的,版权有保证。
缺点:
1、服务器上必须安装Office软件。
2、导出PDF文件本身是个打印过程,Excel页面格式未设置,会出现一张表格打印出多页来,阅读体...
Optimizing away a “while(1);” in C++0x
...sume we have the following loops,
where count and count2 are global variables (or have had their address
taken), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p != 0; p = p -> next) {
++count2;
}
Coul...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...http://www.cnblogs.com/xianyunhe/archive/2011/09/02/2163842.html
8. Demo源码下载:MFC的多国语言界面的实现Demo.zip
9. 想了解内部实现原理的请参考:《基于MFC的中英文图形界面的实现》。MFC 多国语言 界面
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...译以后,函数名称以及变量名称没有做任何的更改,而C++源码在经过C++编译器编译以后,函数名称和变量名称都已经有过变化(可查看编译后的object文件),所以连接的时候会报错。
解决的办法有下列几种:
方法一
将汇编...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...
arm-linux-gnueabihf-raspbian-linux/install/arm-linux-gnueabihf/libc --enable-languages=c,c++,fo
rtran --disable-multilib --with-arch=armv6 --with-tune=arm1176jz-s --with-fpu=vfp --with-float=
hard --with-pkgversion='crosstool-NG linaro-1.13.1+bzr2458 - Linaro GCC 2012.08' --with-bugurl=
https:/...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...法登陆了。尝试几次,发现最大只能设置到100万。在查过源码后,才知道,原来在2.6.25内核之前有个宏定义,定义了这个值的最大值,为1024*1024,正好是100万,而在2.6.25内核及其之后,这个值是可以通过/proc/sys/fs/nr_open来设置。...
浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...负数的反码是原码除了符号位,其余为都取反,因此-1 的源码为 1 0000001 ,反码为 1 1111110, 现在再用反码来计算 1+(-1)
0000 0001
+ 1111 1110
————————
1111 1111 …………再转化为原码就是 1000 0000 = -0 ,虽然...
程序员之网络安全系列(三):数据加密之对称加密算法 - 更多技术 - 清泛网...
...8B4QCotyZkKf091WElCwG659QiVVw0=
Decrypeted: I Love You, Li Li
.NET 源码:
using System;
using System.Security.Cryptography;
using System.IO;
using System.Text;
namespace AES
{
class MainClass
{
public static void Main (string[] args)
{
string password = "Don't beli...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升
...SSCRIPT.OCX在C++程序中调用JavaScript及VBScript。效果截图:
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them ...