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ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...格地说不是不可缺少的。毕竟，混合这两个为一个单独的函数是很容易的：
zmq_send (s, "tcp://192.168.0.111:5555", data, sizeof (data), 0);
分离的理论基础即是技术的又是学术的。技术方面的争论包括：
当我...
Why does pthread_cond_wait have spurious wakeups?
...e just checks the predicate again, sees an invalid state, and goes back to sleep. In either case, checking the predicate solves the problem. IMO, in general, users shouldn't use raw POSIX mutexes and conditionals.
– CubicleSoft
May 23 '16 at 9:40
...
Resumable downloads when using PHP to send the file?
...ed));
flush();
ob_flush();
sleep(1);
}
fclose($fp);
return((connection_status() == 0) and ! connection_aborted());
}
/* Implementation */
// downloadFile('path_to_file/1.mp3', '1.mp3', 1024,...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。由于标准的C++没有属性访问器，只能添加一个两个存取函数来实现对属性的访问，通过在属性名称前加上get_和put_前缀分别实现对属性的读写操作。即，由VC自动完成C++类对接口的封装。
本文所导入的接口对应的类和头文件...
Timer function to provide time in nano seconds using C++
...ypically your CPU won't throttle. But if you are measuring code involving sleep, mutex lock, condition_variable wait, etc, the rdtsc clock is likely to have inaccurate conversions to other units. It is a good idea to set your measurements up so that you can easily change and compare clocks (as sho...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...r.class)));
producer.tell("Produce", probe.ref());
Thread.sleep(1000);
}
}
class Producer extends UntypedProducerActor{
@Override
public String getEndpointUri() {
return "activemq:foo.bar";
}
}
class Consumer extends UntypedConsumerActor{
@Override
...
Can a local variable's memory be accessed outside its scope?
...otel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to the hotel, do not check in, sneak into your old room with your stolen key, and look in the drawer. Yo...
Download a file with Android, and showing the progress in a ProgressDialog
...urrentThread().isInterrupted()) {
try {
Thread.sleep(1000);
Message msg = new Message();
progress = getProgressPercentage();
handler.sendMessage(msg);
} catch (InterruptedException e) {
T...
Asserting successive calls to a mock method
...: def __init__(self):
...: import time
...: time.sleep(2) # <- Spends a lot of time here
...:
...: def do_work(self, arg1, arg2):
...: print("Called with %r and %r" % (arg1, arg2))
...:
here is some code that uses two instances of the H...
C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...await m2;
}
async Task m2()
{
await m3();
}
async Task m3()
{
Thread.Sleep(10000);
}
Does the movenext delegate get called multiple times in this situation ?
Just a punt really?
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