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How to Calculate Execution Time of a Code Snippet in C++
...lt;< a << std::endl;
}
{
NLTimerScoped timer( "sleep( 4 )" );
sleep( 4 );
}
return 0;
}
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How do I create a nice-looking DMG for Mac OS X using command-line tools?
...mg
Mount the disk image, and store the device name (you might want to use sleep for a few seconds after this operation):
device=$(hdiutil attach -readwrite -noverify -noautoopen "pack.temp.dmg" | \
egrep '^/dev/' | sed 1q | awk '{print $1}')
Store the background picture (in PNG format) i...
Does Parallel.ForEach limit the number of active threads?
... {
monitor.Add(monitor.Count);
System.Threading.Thread.Sleep(1000);
monitor.TryTake(out int result);
monitorOut.Add(result);
});
Console.WriteLine("Max concurrency: " + monitorOut.OrderByDescending(x => x).First());
}
I haven't made any changes yet ...
How do you print in a Go test using the “testing” package?
...lel()
for i := 0; i < 15; i++ {
t.Logf("%d", i)
time.Sleep(3 * time.Second)
}
}
func TestBar(t *testing.T) {
t.Parallel()
for i := 0; i < 15; i++ {
t.Logf("%d", i)
time.Sleep(2 * time.Second)
}
}
func TestBaz(t *testing.T) {
t.Parallel()
...
How to catch an Exception from a thread
...read() {
@Override
public void run() {
System.out.println("Sleeping ...");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
System.out.println("Interrupted.");
}
System.out.println("Throwing exception ...");
...
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...
Do zombies exist … in .NET?
...("test.txt", FileMode.OpenOrCreate);
while (true)
{
Thread.Sleep(1);
}
GC.KeepAlive(file);
}
Despite making some pretty awful mistakes, the handle to "test.txt" is still closed as soon as Abort is called (as part of the finalizer for file which under the covers uses SafeFil...
Creating a daemon in Linux
...nize.c
* This example daemonizes a process, writes a few log messages,
* sleeps 20 seconds and terminates afterwards.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sy...
Play audio from a stream using C#
...NAudio to start playing
while (ms.Length < 65536*10)
Thread.Sleep(1000);
ms.Position = 0;
using (WaveStream blockAlignedStream = new BlockAlignReductionStream(WaveFormatConversionStream.CreatePcmStream(new Mp3FileReader(ms))))
{
using (WaveOut waveOut = new WaveOu...
How does facebook, gmail send the real time notification?
... perhaps like the following pseudocode:
while(!has_event_happened()) {
sleep(5);
}
echo json_encode(get_events());
The has_event_happened function would just check if anything had happened in an events table or something, and then the get_events function would return a list of the new rows i...