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Emulating a do-while loop in Bash
...(not before first or after last), such as echo "Retrying in five seconds"; sleep 5. Or print delimiters between values:
i=1; while printf '%d' "$((i++))"; (( i <= 4)); do printf ','; done; printf '\n'
I changed the test to use double parentheses since you appear to be comparing integers. Insid...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 2
3 import org.eclipse.swt.SWT;
4 import org.eclipse.swt.events.SelectionAdapter;
5 import org.eclipse.swt.events.SelectionEvent;
6 import org.eclipse.swt.widgets.Button;
7 import org.eclipse.swt.widgets.Dialog;
8 import org.eclipse.swt.widgets.Display;
9 import org.ec...
Resumable downloads when using PHP to send the file?
...ed));
flush();
ob_flush();
sleep(1);
}
fclose($fp);
return((connection_status() == 0) and ! connection_aborted());
}
/* Implementation */
// downloadFile('path_to_file/1.mp3', '1.mp3', 1024,...
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...
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...
Why do pthreads’ condition variable functions require a mutex?
...hat it was signaled (it is stateless). So then the original thread goes to sleep on the stateless synchronization object, and does not wake up, even though the condition it needs has already become true: lost wakeup.
The condition variable wait functions avoid the lost wake up by making sure that t...
Mutex example / tutorial? [closed]
... {
using namespace std;
this_thread::sleep_for(chrono::seconds(5));
// set event by setting the bool variable to true
// then notifying via the condition variable
m_bQuit = true;
cvQuit.notify_all();
}
...
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?
share
|
imp...
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
...