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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 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/...
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...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...of(event));
write(fd, &event_end, sizeof(event_end));
usleep(randomTill(ta));
}
close(fd);
return 0;
}
My full code for the issue be found here.
The program will ask for amplitude of "tremor" and it's frequency (thus, how many time in micro-seconds are between "tre...
What is the Python equivalent of Matlab's tic and toc functions?
... to fully use tic() and toc() just as in Matlab. For example
tic()
time.sleep(5)
toc() # returns "Elapsed time: 5.00 seconds."
Actually, this is more versatile than the built-in Matlab functions. Here, you could create another instance of the TicTocGenerator to keep track of multiple operatio...
Good example of livelock?
... if (spoon.owner != this) {
try { Thread.sleep(1); }
catch(InterruptedException e) { continue; }
continue;
}
// If spouse is hungry, insist upon passing the spoon.
...
ExecutorService that interrupts tasks after a timeout
...
while (i > counter.get()) {
Thread.sleep(10);
}
}
}
} finally {
service.shutdown();
}
}
The program exhausts the available memory, although it waits for the spawned Runnables to complete.
I though about th...
Listen for key press in .NET console app
...Start();
foreach (var file in files)
{
Thread.Sleep(1000);
Console.WriteLine("Procesing file {0}", file);
}
}
private static void BusyIndicator()
{
var busy = new ConsoleBusyIndicator();
busy.UpdateProgress();
}
p...
How to delete and replace last line in the terminal using bash?
...' tput rc;tput el # rc = restore cursor, el = erase to end of line sleep 1 done
– Nux
Mar 15 '16 at 13:04
@Nux...