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How to view the assembly behind the code using Visual C++?
...ng namespace std;
static string my_exe(void){
char buf[MAX_PATH];
DWORD tmp = GetModuleFileNameA( NULL, // self
buf, MAX_PATH);
return buf;
}
int main() {
string dircmd = "dir ";
boost::filesystem::path p( my_exe() );
//boost::filesystem::p...
What does a type followed by _t (underscore-t) represent?
...stom defined types that are explicit, such as BYTE WORD (normally 16-bit) DWORD (32-bits).
int_t is not so good, because the definition of int varies between platforms -- so whose int are you conforming to? (Although, these days, most PC-centric development treats it as 32 bits, much stuff for ...
Algorithm to get the excel-like column name of a number
...n-letters-2
*
* @param int $num 欄數
* @param bool $uppercase 大小寫
* @return void
*/
function num_to_letters($n)
{
$n -= 1;
for ($r = ""; $n >= 0; $n = intval($n / 26) - 1)
$r = chr($n % 26 + 0x41) . $r;
return $r;
}
ex:
echo num_to_letters(1); ...
What is the best way to find the users home directory in Java?
...LT SHGetFolderPath( HWND hwndOwner, int nFolder, HANDLE hToken,
* DWORD dwFlags, LPTSTR pszPath);
*/
public int SHGetFolderPath(HWND hwndOwner, int nFolder, HANDLE hToken,
int dwFlags, char[] pszPath);
}
}
...
BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...O时，Java将IO读写委托给OS处理，需要将数据缓冲区地址和大小传给OS(银行卡和密码)，OS需要支持异步IO操作API）；
阻塞 ： ATM排队取款，你只能等待（使用阻塞IO时，Java调用会一直阻塞到读写完成才返回）；
非阻塞 ： 柜台取...
STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
..._Left < _Right);
}
};
原因是less结构中对key对象进行了大小比较，但是我们自定义的key类型a并没有对<操作符进行重载，于是报错。
那么map容器和less有什么关系呢，我们的代码怎么回链接到这里了？
看看map的模板定义就...
Capture characters from standard input without waiting for enter to be pressed
...ct if there's any input,
HANDLE handle = GetStdHandle(STD_INPUT_HANDLE);
DWORD events;
INPUT_RECORD buffer;
PeekConsoleInput( handle, &buffer, 1, &events );
then use ReadConsoleInput to "consume" the input character ..
PeekConsoleInput(handle, &buffer, 1, &events);
if(events >...
How do you get assembler output from C/C++ source in gcc?
...x into the more readable nasm syntax:
#!/usr/bin/perl -w
$ptr='(BYTE|WORD|DWORD|QWORD|XMMWORD) PTR ';
$reg='(?:[er]?(?:[abcd]x|[sd]i|[sb]p)|[abcd][hl]|r1?[0-589][dwb]?|mm[0-7]|xmm1?[0-9])';
open FH, '-|', '/usr/bin/objdump', '-w', '-M', 'intel', @ARGV or die;
$prev = "";
while(<FH>){
if(/...
Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...需讨论，那么就可以减少很多损耗。
除了给不同的语言设定语法风格指南，我们还给更抽象的事物设定了指南，如：如何撰写好的测试样例、如何组织代码模块来减少阅读时间。这些指南都不是一成不变的，而是会随着开...
'Operation is not valid due to the current state of the object' error during postback
...changed in the registry rather than a config file. It should be added as a DWORD named MaxHttpCollectionKeys in the registry under
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ASP.NET\1.1.4322.0
for 32-bit editions of Windows, and
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\ASP.NET\1.1.4322.0
...