大约有 2,300 项符合查询结果（耗时：0.0182秒） [XML]
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-...
How many threads can a Java VM support?
...{
try {
Thread.sleep(1000);
} catch (Exception e){
System.err.println(e);
}
}
}
}).start();
...
How to use WPF Background Worker
... backgroundWorker.ReportProgress(i);
Thread.Sleep(1000);
e.Result = 1000;
}
}
static void backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
Console.WriteLine("Compl...
When to use thread pool in C#? [closed]
...might say, can easily half the performance of your program (say you have 3 sleeping threads and 2 active threads). Thus if those downloading threads are just waiting they're eating up tons of CPU and cooling down the cache for your real application
...
Queue.Queue vs. collections.deque
...offered by Queue, which ensure that the thread waiting for data will go to sleep and not waste CPU time.
– max
Feb 22 '17 at 0:22
3
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How do I put an already-running process under nohup?
...l bash script called loop.sh, which prints the pid of itself with a minute sleep in an infinite loop.
$./loop.sh
Now get the PID of this process somehow. Usually ps -C loop.sh is good enough, but it is printed in my case.
Now we can switch to another terminal (or press ^Z and in the same termina...
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)
{
...
Is there a performance gain in using single quotes vs double quotes in ruby?
...ent story, of course. 'foo' will be almost exactly 1 second faster than "#{sleep 1; nil}foo".
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Heroku free account limited?
...ong time (5-10 sec)
If a free dyno isn't accessed frequently it goes into sleep mode. After that there is a delay for the dyno to become active again. For me this takes 5-10sec. You cannot fool the system by accessing it frequently because this is consuming your free dyno hours.
...
how to show progress bar(circle) in an activity having a listview before loading the listview with d
...);
stringValues.add("String 5");
try {
Thread.sleep(3000);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
}
this activity display progress for 3sec then it will display listview, instead of adding data statically...