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How to send SMS in Java
...+CMGS="+quotes + phoneNumber +quotes+ "\r\n");
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// send("AT+CMGS=\""+ phoneNumber +"\"\r\n");
send(message + '\032');
S...
Really killing a process in Windows
...es could survive a kill -9 if they are in what's known as "Uninterruptible sleep" (shown by top and ps as state D) at which point the processes sleep so well that they can't process incoming signals (which is what kill does - sending signals).
Normally, Uninterruptible sleep should not last long, b...
What does flushing the buffer mean?
...de like:
for (int i = 0; i < 5; i++) {
std::cout << ".";
sleep(1); // or something similar
}
std::cout << "\n";
will output ..... at once (for exact sleep implementation, see this question). In such cases, you will want an additional << std::flush to ensure that the ...
How do I write a bash script to restart a process if it dies?
...Server 'myserver' crashed with exit code $?. Respawning.." >&2
sleep 1
done
The above piece of bash code runs myserver in an until loop. The first line starts myserver and waits for it to end. When it ends, until checks its exit status. If the exit status is 0, it means it ended gra...
How and when to use ‘async’ and ‘await’
...wait must be marked async.
// This line is reached after the 5 seconds sleep from DoSomethingAsync() method. Shouldn't it be reached immediately?
No, because async methods are not run on another thread by default.
// Is this executed on a background thread?
No.
You may find my async/...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
...et<>()来访问元组的元素。通过下面这段程序来认识这两个函数的用法：
#include <iostream>
#include <tuple>
#include <functional>
int main()
{
auto t1 = std::make_tuple(10, "Test", 3.14);
std::cout << "The value of t1 is "
<< "(" << std::get<0...
error LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12，该符号在函数 \...
...or LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12，该符号在函数 "long __stdcall WndProc(struct HWND__ *,unsigned int,unsigned int,long)" (?WndProc@@YGJPAUHWND__@@IIJ@Z) 中被引用#include <mmsystem.h>#pragma comment(lib, "WINMM.LIB")
#include <mmsystem.h>
#pragma comment...
SHFileOperation 这个API函数怎么用起来结果飘忽不定？ - C/C++ - 清泛网 -...
SHFileOperation 这个API函数怎么用起来结果飘忽不定？SHFileOperation方法有时不起作用，用起来结果飘忽不定，路径末尾加上' 0'也一样，笔者亲测，删除有时成功有时失败。解决：改用C++...SHFileOperation方法有时不起作用，用起来结果...
error LNK2019: 无法解析的外部符号 _GetFileVersionInfoSizeW@8，该符号在...
...2019: 无法解析的外部符号 _GetFileVersionInfoSizeW@8，该符号在函数 _wmain 中被引用GetFileVersionInfoSize build时出现link2019 链接错误：#pragma comment(lib, "version")解决。GetFileVersionInfoSize build时出现link2019 链接错误：
#pragma comment(lib, "version")
...
error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用 - C...
error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用解决方法如下：Cpp文件include语句之后加上如下代码：#pragma comment(lib,"netapi32.lib")解决方法如下：
Cpp文件include语句之后加上如下代码：
#pragma comment(lib,"netapi32.lib")
...