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How to vertically center content with variable height within a div?
... <div class="valign-inner">
Excuse me. What did you sleep in your clothes again last night. Really. You're gonna be in the car with her. Hey, not too early I sleep in on Saturday. Oh, McFly, your shoe's untied. Don't be so gullible, McFly. You got the place fixed up nice, McFl...
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...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...
上面三个类a是基类，b继承a，c和ab没有关系。
有一个函数void function(a&a);
现在有一个对象是b的实例b，一个c的实例c。
function(static_cast<a&>(b)可以通过而function(static<a&>(c))不能通过编译，因为在编译的时候编译器已经知道c和a...
Example for boost shared_mutex (multiple reads/one write)?
... unique lock
cout << "11" << endl;
boost::this_thread::sleep(boost::posix_time::seconds(1));
lock2.unlock();
}
void main() {
cout << "1" << endl;
SharedLock lock1(tempLock); // (1) aquire a shared lock
cout << "2" << endl;
boost::threa...
Node.js spawn child process and get terminal output live
I have a script that outputs 'hi', sleeps for a second, outputs 'hi', sleeps for 1 second, and so on and so forth. Now I thought I would be able to tackle this problem with this model.
...
How to install Android SDK Build Tools on the command line?
... update Android SDK on headless server FILTER=tool,platform,android-20 ( sleep 5 && while [ 1 ]; do sleep 1; echo y; done ) \ | android update sdk --no-ui --all \ --filter ${FILTER} </code></pre>
– i4niac
Aug 27 '14 at 0:01
...
LINQPad [extension] methods [closed]
... index = 0; index <= 100; index++)
{
pb.Percent = index;
Thread.Sleep(100);
}
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Can I do a synchronous request with volley?
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This solution blocks my thread forever, changed Thread.sleep instead of countDownLatch and problem solved
– snersesyan
Jul 25 '18 at 15:24
...
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;
}
...