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How does a Linux/Unix Bash script know its own PID?
...ss of the running process. It might be a bit ugly, but it works. Example:
sleep 1 &
mypid=$(ps -o ppid= -p "$!")
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Allow user to set up an SSH tunnel, but nothing else
...arted, shell disabled by the system administrator\r\n"
while [ true ] ; do
sleep 1000
done
exit 0
Fully explained here: http://blog.flowl.info/2011/ssh-tunnel-group-only-and-no-shell-please/
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runOnUiThread in fragment
...ry {
while (!isInterrupted()) {
Thread.sleep(1000);
mHandler.post(new Runnable() {
@Override
public void run() {
//Calendario para obtener fecha & hora
...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...If you run sc.makeRDD(0 to 9, 2).mapPartitions(it => { java.lang.Thread.sleep(new java.util.Random().nextInt(1000)); it } ).map(_.toString).fold("")(_ + _) with 2+ cores several times, I think you will see it produces random (partition-wise) order. I've updated my answer accordingly.
...
What is the maximum float in Python?
...t_info.max as a workaround when the earlier doesn't work, for example time.sleep(float("inf")) is not allowed :(
– Dima Tisnek
Oct 20 '16 at 11:27
2
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Selenium wait until document is ready
...ndition_function():
return True
else:
time.sleep(0.1)
raise Exception('Timeout waiting for {}'.format(condition_function.__name__))
Next, the solution relies on the fact that selenium records an (internal) id-number for all elements on a page, including the top-...
Android - Start service on boot
...ce may be getting shut down before it completes due to the device going to sleep after booting. You need to obtain a wake lock first. Luckily, the Support library gives us a class to do this:
public class SimpleWakefulReceiver extends WakefulBroadcastReceiver {
@Override
public void onRecei...
程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...ip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep
16、程序员最讨厌康熙的哪个儿子？ 答：胤禩，因为他是八阿哥。
17、程序员A：“哥们儿，最近手头紧，借点钱？” 程序员B：“成啊，要多少？” 程序员A：“...
Why do pthreads’ condition variable functions require a mutex?
...hat it was signaled (it is stateless). So then the original thread goes to sleep on the stateless synchronization object, and does not wake up, even though the condition it needs has already become true: lost wakeup.
The condition variable wait functions avoid the lost wake up by making sure that t...
How to wait for a keypress in R?
...olePrompt = "[click on graph then follow top prompt to continue]")
Sys.sleep(0.01)
return(keyPressed)
}
onKeybd <- function(key)
{
keyPressed <<- key
}
xaxis=c(1:10) # Set up the x-axis.
yaxis=runif(10,min=0,max=1) # Set up the y-axis.
plot(xaxis,yaxis)
for (i in xaxis)
{
...