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Practical use of `stackalloc` keyword
...CF_PLACEHOLDER_INFO_CLASS InfoClass,
PVOID InfoBuffer,
DWORD InfoBufferLength,
PDWORD ReturnedLength);
In order to call it in C# through interop,
[DllImport("Cfapi.dll")]
public static unsafe extern HResult CfGetPlaceholderInfo(IntPtr fi...
Detect if stdin is a terminal or pipe?
...ows you can use GetFileType.
HANDLE hIn = GetStdHandle(STD_INPUT_HANDLE);
DWORD type = GetFileType(hIn);
switch (type) {
case FILE_TYPE_CHAR:
// it's from a character device, almost certainly the console
case FILE_TYPE_DISK:
// redirected from a file
case FILE_TYPE_PIPE:
// piped from ...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...ize_t pathNameCapacity)
{
return GetModuleFileNameA(NULL, pathName, (DWORD)pathNameCapacity);
}
#elif defined(__linux__) /* elif of: #if defined(_WIN32) */
#include <unistd.h>
static size_t getExecutablePathName(char* pathName, size_t pathNameCapacity)
{
size_t pathNameSize =...
世界首富换人！身价5300亿 却只开一辆破车！ - 资讯 - 清泛网 - 专注C/C++及内核技术
...体采访，要不是富豪榜榜单，甚至大多数人都不知道他的存在。
他总是穿着合身的老旧衬衫，穿梭在各部门间“监工”，并且和员工一起在公司餐厅就餐，他最爱吃的食物是廉价的马铃薯，总是能吃得干干净净，一点不浪费。
...
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...过自残来换取活下去的希望。对于互联网项目而言，同样存在着很多生死考验，比如：访问量激增；数据库宕机等等，此时如果没有合理的降级方案，那么结局必然是死路一条。
任何问题一旦脱离了实际情况，便失去了讨论的...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...有结束以前，再次被调用可能会产生错误。可重入函数不存在这样的问题。
不可重入函数在实现时候通常使用了全局的资源，在多线程的环境下，如果没有很好的处理数据保护和互斥访问，就会发生错误。
常见的不可重入函...
How do I get my solution in Visual Studio back online in TFS?
...(in my case I was missing AutoReconnect), right click and and create a new DWORD(32-bit) value with the desired missing name, AutoReconnect or Offline.
Again, make sure both values are set to zero.
Restart your solution
Additional info:
blog MSDN - When and how does my solution go offline?
...
How do I shutdown, restart, or log off Windows via a bat file?
...n signature for ExitWindowsEx is:
BOOL WINAPI ExitWindowsEx(UINT uFlags, DWORD dwReserved);
in 2011: "Throwing garbage on the sidewalk: The sad history of the rundll32 program"
And to make it crystal-clear:
in 2013 "What's the guidance on when to use rundll32? Easy: Don't use it":
Rund...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...包数据格式与广播数据格式一样，可以用于拓展广播数据大小，数据最大同样为31字节。
通常动态数据使用常规广播包发送，固定数据则使用响应包进行发送。广播间隔BLE设备每次广播时，会在3个广播信道（37/38/39，对应的中...
Which is faster : if (bool) or if(int)?
...ax, conventionally the memory operand is tagged with BYTE PTR, WORD PTR or DWORD PTR instead of putting a suffix on the opcode.
– CB Bailey
Apr 23 '11 at 16:00
...