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Why is lock(this) {…} bad?
...()
{
lock (this)
{
System.Threading.Thread.Sleep(10000);
}
}
}
class Program
{
static void Main(string[] args)
{
var nancy = new Person {Name = "Nancy Drew", Age = 15};
var a = new Thread(nancy.LockThis);
a.Start();
...
How to make ThreadPoolExecutor's submit() method block if it is saturated?
...that getActiveCount() doesn't exceed getMaximumPoolSize(), and if it does, sleep and try again?
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WPF Timer Like C# Timer
...ling)
{
thread::Thread.Sleep(Interval);
Application.Current.Dispatcher.Invoke(AsyncTick);
}
}
else
{
canceled = false;
...
What does `kill -0 $pid` in a shell script do?
...Kill the process if it exists and accepts signals from
# the current user.
sleep 60 &
pid=$!
kill -0 $pid && kill $pid
# Check if a PID exists. When missing, this should result
# in output similar to:
# bash: kill: (6228) - No such process
# Exit status: 1
kill -0 $pid; echo "Exit...
UITableView load more when scrolling to bottom like Facebook application
... {
DispatchQueue.global(qos: .utility).async {
sleep(3)
DispatchQueue.main.async { [weak self] in
self?.activityIndicator.stop()
}
}
}
}
}
Full Sample
Do not forget to paste the solution cod...
w3wp process not found
... If it has been a while since you refreshed the page, the process may be sleeping. Wake it up with a refresh.
– Ruskin
Jan 22 '14 at 18:54
...
Force Screen On
...
Does that prevent the device from sleeping? If so, the commonness of WAKE_LOCK strikes me as a shocking mistake!
– Michael Cramer
Jan 25 '10 at 18:52
...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...1;
}
// close or remove file(remove usb device)
// close(fd);
sleep(5);
if(!check_fd_fine(fd)) {
printf("fd okay!\n");
} else {
printf("fd bad!\n");
}
close(fd);
return 0;
}
...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...功也就是为真的话，那么就循环，ping失败跳出循环
do
sleep 1 ＃ping通后，睡1秒
done
route del default ＃如果ping不通，来到这个语句。就删除前面ppp0的网关地址
route add default dev ppp1 gw 2...
std::unique_lock or std::lock_guard?
...e lock.
In particular, condition_variable unlocks its mutex when going to sleep upon calls to wait. That is why a lock_guard is not sufficient here.
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