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windows service vs scheduled task
...fter you have written all of that, you think, why didn't I just use Thread.Sleep? That allows me to let the current thread keep running until it has finished and then the pause interval kicks in, thread goes to sleep and kicks off again after the required time. Neat!
Then you then read all the advi...
How to get time difference in minutes in PHP
...
<?php
$date1 = time();
sleep(2000);
$date2 = time();
$mins = ($date2 - $date1) / 60;
echo $mins;
?>
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Running multiple async tasks and waiting for them all to complete
...; sequence, Func<T, Task> action) {
return Task.WhenAll(sequence.Select(action));
}
Call it like this:
await sequence.ForEachAsync(item => item.SomethingAsync(blah));
Or with an async lambda:
await sequence.ForEachAsync(async item => {
var more = await GetMoreAsync(item);
...
How to use QueryPerformanceCounter?
...(li.QuadPart-CounterStart)/PCFreq;
}
int main()
{
StartCounter();
Sleep(1000);
cout << GetCounter() <<"\n";
return 0;
}
This program should output a number close to 1000 (windows sleep isn't that accurate, but it should be like 999).
The StartCounter() function record...
Threading pool similar to the multiprocessing Pool?
...ame__ == '__main__':
from random import randrange
from time import sleep
delays = [randrange(1, 10) for i in range(100)]
def wait_delay(d):
print 'sleeping for (%d)sec' % d
sleep(d)
pool = ThreadPool(20)
for i, d in enumerate(delays):
pool.add_task...
How does the ARM architecture differ from x86? [closed]
...ay it back, and repeat. Even a really fast processor can't spend much time sleeping, so for tasks like this, ARM does really well.
Intel's processors (especially their Atom processors, which are actually intended for low power applications) are extremely competitive in terms of energy consumption. W...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...HQ CPU (4 cores / 8 threads), 2x Samsung M471A2K43BB1-CRC RAM (2x 16GiB).
sleep
Non-busy sleep does not count in either user or sys, only real.
For example, a program that sleeps for a second:
#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <unistd.h>
int main(void) {
sle...
Custom thread pool in Java 8 parallel stream
...ommon.parallelism", "20");
s.parallel().forEach(i -> {
try { Thread.sleep(100); } catch (Exception ignore) {}
System.out.print((System.currentTimeMillis() - start) + " ");
});
The output is:
215 216 216 216 216 216 216 216 315 316 316 316 316 316 316 316 415 416 416 416
So you can...
Meaning of Choreographer messages in Logcat [duplicate]
...anvas canvas) {
super.onDraw(canvas);
long sleep = (long)(Math.random() * 1000L);
setText("" + sleep);
try {
Thread.sleep(sleep);
} catch (Exception exc) {}
}
});
}
}
... whi...
try/catch versus throws Exception
...ad= new Thread();
thread.start();
try {
thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// thread.sleep(10);
// here we can not use public void show() ...