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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...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... }
try {
Thread.sleep(0);
} catch(InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
...
Timertask or Handler
...scheduled tasks and they are never run
Copied from:
TimerTask vs Thread.sleep vs Handler postDelayed - most accurate to call function every N milliseconds?
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“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术
...类抽象（class abstraction）的语言（如Java或C++），一门支持函数抽象（functional abstraction）的语言（如Lisp或ML），一门支持句法抽象（syntactic abstraction）的语言（如Lisp），一门支持说明性规约（declarative specification）的语言（如Prolog...
Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...测试是重要一环。我们撰写了覆盖各个环节（包括单元、函数和UI等）的测试案例。覆盖全面的测试可以帮助开发者快速前进，不需担心已有功能受影响。为了减少撰写测试案例的成本，我们投入大量时间开发测试框架（基于nose...
What is the difference between atomic and critical in OpenMP?
...head is roughly 2 atomic instructions OR two runs of the scheduler and the sleep time - that will usually be significantly more than 200x.
– Klaas van Gend
Apr 1 '16 at 11:37
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