Questions tagged [sleep]

sleep is a system call that suspends a process or thread for a specified amount of time

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Perl: Sleep for x seconds unless keypress

In perl is there a way to have a program sleep for a certain amount of time unless the user presses a key? The following is my code: use Term::ReadKey; ReadMode 4; while (not defined ($key = ReadKey(-1))) { sleep(50); } print "Get key…
Bijan
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get the number of seconds left for the sleep command to end in a shell script

I built a shell script that sleeps for a specified amount of minutes and shows notification when it is done. TIME=$(zenity --scale --title="Next Session in (?) minutes") sleep…
Merhawi Fissehaye
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Random Numbers in For Loops

Hi I have searched all over the internet for this answer and please let me explain before i get into the actual problem. it may seem simple to but the only choices that really helped me was Thread.Sleep and Thread.SpinWait but it basically stops my…
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Java: is wait(timeout) at least as precise as sleep(timeout) in suspending for timeout millisecs?

(Duplication: there are a lot of questions about wait() vs sleep(), but I need this specific detail, which I haven't found addressed in any on the answers.) Context: I have a scheduler implemented with sleep(), but I want to change its…
GozzoMan
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Is Thread.sleep(n) blocking other things from going? Something better to replace it?

I have a little application counting time by pressing a button, I just use thread.sleep() to count. When the button is pressed, it triggers the ActionListener which is a class that perform a thread.run(). The thread.sleep() is then started from…
伍柒貳
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how to make a counter in linux?

I'm trying to write a script where I want to make a countdown of three seconds (probably with the sleep command), but every second I want to display the text "break". After every second, I want to display a countdown next to the word "break", but…
Jim Peeters
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sleep method doesn't working if i call second time?

Here i am actually trying to do a simple animation. A circle will getting smaller and smaller with a particular speed. I used sleep method to set interval between each time of reducing the radius of the circle. I gave five seconds for sleep method.…
Ganesh
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Scheduling in Ruby on Rails and stopping sleep method

I want to schedule an execution for every 30 mins in Ruby on Rails. I know sleep can be used. Is there any other efficient method? Note that Cron jobs, "whenever" gems won't be helpful since I dont want it as a job just a part of execution. And once…
Daniel Sagayaraj
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Java multi-threading scope of Thread.sleep

According to Oracle's documentation for Thread.sleep: Thread.sleep causes the current thread to suspend execution for a specified period. I am wondering what is considered the current thread. I have a simple interface called Function: public…
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Wait for a time frame in Java: how does Thread.sleep(int) work?

Conventionally, I delay my programs for a short time with Thread.sleep(int) surrounded with an e.printStackTrace() try/catch block. I want to do away with the exception handling. I wrote this function: private static void pause(int millis) { …
Scruffy
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Computer does not stay awake after scheduled task

I have a scheduled task that wakes up the computer to run a batch file. However the computer turns back off after some time. I have my computer set to (never sleep) so after waking up from the task it should stay on. However after doing some reading…
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Is it ok to use sleep() in a loop to be nice?

I couldn't describe the question better. this is from redis-py github page. >>> while True: >>> message = p.get_message() >>> if message: >>> # do something with the message >>> time.sleep(0.001) # be nice to the system :) I…
eugene
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Update a buttons UIImage while a counter decreases iOS

I am trying to change a UIButton's UIImage every second, until a counter reaches 0. I have tried NSTimer, performSelector withDelay but I could not get either of those to work, plenty of googling came up with different options but pointed to the…
guytz72
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JFrame: Sleep between statements

I'm still very new to the world of programming and have recently noticed, that whenever I tell the programm to idle for some seconds between the code, it instead sleeps at the start and then goes through the remaining code. I've tried various ways…
CrazyBacon
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Terminate an unresponsive/infinite-looping WebWorker (Javascript)

I am writing a language for educational purpose, which should run in web browsers. The language compiles to JavaScript. So there is the problem of endless loops and recursion. Until that moment I thought the solution would be to have the runtime…
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