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How can you run a command in bash over until success
... Easy to Ctr-C out of this: until passwd; do echo "Try again"; sleep 2; done - all you have to do is press Ctr-C right after (within the two seconds given) the echo did it's job.
– Christian
Aug 23 '13 at 20:14
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Bash script to calculate time elapsed
...
I find it very clean to use the internal variable "$SECONDS"
SECONDS=0 ; sleep 10 ; echo $SECONDS
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Understanding NSRunLoop
... will then return to its loop, processing input from various sources, and "sleeping" if there is no work to do.
That's a pretty high level description (trying to avoid too many details).
EDIT
An attempt to address the comment. I broke it into pieces.
it means that i can only access/run to...
Python Process Pool non-daemonic?
...lass MyPool(multiprocessing.pool.Pool):
Process = NoDaemonProcess
def sleepawhile(t):
print("Sleeping %i seconds..." % t)
time.sleep(t)
return t
def work(num_procs):
print("Creating %i (daemon) workers and jobs in child." % num_procs)
pool = multiprocessing.Pool(num_procs)
...
Is there any way to kill a Thread?
...text of this thread.
If the thread is busy in a system call (time.sleep(),
socket.accept(), ...), the exception is simply ignored.
If you are sure that your exception should terminate the thread,
one way to ensure that it works is:
t = ThreadWithExc( .....
Can you autoplay HTML5 videos on the iPad?
...s of creating an online alarm clock for iPhone Safari down the drain! We (sleep.fm) figured out a way to keep phone awake while app is open but now with iOS 6.1 the alarm audio wont play. It worked fine in iOS 6.0. Is there a work around?
– chaser7016
Jan 31...
传感器组件 · App Inventor 2 中文网
...下找到并使用位置提供者，或者等待位置改变时 事件。
模拟器并不模拟所有设备上的传感器，App应该在物理设备上进行测试。
属性
精度
位置传感器将能够根据卫星、手机信号塔和其他用于估计位置的数据的质量，以不...
Creating Threads in python
...m posting below to see how:
from threading import Thread
from time import sleep
def threaded_function(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.j...
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() ...
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 ...");
...