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Is there a replacement for unistd.h for Windows (Visual C)?
I'm porting a relatively simple console program written for Unix to the Windows platform ( Visual C++ 8.0 ). All the source files include "unistd.h", which doesn't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random f...
Asp.net 4.0 has not been registered
When I try to open my Visual Studio project I get the following error:
13 Answers
13
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Is there a way to use shell_exec without waiting for the command to complete?
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On Windows 2003, to call another script without waiting, I used this:
$commandString = "start /b c:\\php\\php.EXE C:\\Inetpub\\wwwroot\\mysite.com\\phpforktest.php --passmsg=$testmsg";
pclose(popen($commandString, 'r'));
Thi...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tuple,相当于make_tuple(ref(a),ref(b),…)。可以通过tie()函数的使用方便的对tuple进行“解包”操作。看下面的代码：
#include <iostream>
#include <tuple>
int main ()
{
int myint;
char mychar;
float myfloat;
std::tuple<int,float,char> mytuple;
mytu...
How to remove all characters after a specific character in python?
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.partition wins -- 0.756 usec per loop, vs 1.13 for .split (comment formatting doesn't really let me show the exact tests, but I'm using @Ayman's text and separator) -- so, +1 for @Ayman's answer!
– Alex Martelli
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Why can't the C# constructor infer type?
... maintain backwards compatibility a ctor on a non-generic type must always win.
Is there a practical reason why the constructor can't support type inference?
Yes. Even if the benefit of the feature outweighs its costs -- which are considerable -- that's not sufficient to have a feature impleme...
BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
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来源：https://community.appinventor.mi ... android-14/124432/3
因此使用java11 编译出来的ble拓展即可解决这个问题，请使用最新编译出来的拓展（版本20240822）：https://www.fun123.cn/reference/iot/bluetoothle.html。
Automatically start a Windows Service on install
I have a Windows Service which I install using the InstallUtil.exe. Even though I have set the Startup Method to Automatic, the service does not start when installed, I have to manually open the services and click start. Is there a way to start it either via the command line, or through the code of ...
How to get the CPU Usage in C#?
... (@"\\"+ selectedServer +@"\root\CIMV2",
"SELECT * FROM Win32_PerfFormattedData_PerfOS_Processor WHERE Name=\"_Total\"");
ManagementObjectCollection collection = searcher.Get();
ManagementObject queryObj = collection.Cast<ManagementObject>().First();
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How to swap the buffers in 2 windows emacs
I am using emacs I find that sometimes I have 2 files separated into 2 windows.
8 Answers
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