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Questions tagged [eventqueue]

77 questions
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How to create queue of events in order by date

I am trying to create a queue of events and I want to be able to insert and delete from the middle of the queue in constant time, something like this: 3446 --- 9493 --- 15969 --- 48381 where the number could be millis from now, or whatnot. How…
user12211419
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Event queue cleanup

In my Tcl extension, a secondary thread is filling the Tcl event queue with events; the events contain pointers to structures with a dynamic life time. What is the right strategy for ensuring that no events with dangling pointers to de-allocated…
user1254127
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How to return a custom type from View (GUI) to controller?

I'm making an MVC game called Swingy for a 42 project, it requires me to have a console and a GUI view implemented in the MVC pattern. I figured that I would have an instance of my view (either GUI or console within the controller). So I made an…
tstephen
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Is there any difference between event queue and task queue?

I am a little confused about these two names,are they the same with each other?
Chor
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JavaScript Runtime : criteria to be in the `Event Queue`

In many examples explaining the Event Loop, they always use the setTimeout to illustrate it. According to those explanations, when the JS runtime meets the setTimeout instruction, it knows there is a callback so it puts the instruction in the Event…
Pil
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How to process large DefaultStyledDocument and catch a cancel event?

I have a JTextPane with an extended DefaultStyledDocument. Updating the document takes about 2 minutes. Currently I am breaking it up into steps and updating on the swing thread with InvokeAndWait for each step. I have a progress bar and a cancel…
user1819780
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eventqueue meaning of arrow

because I couldn't find anything in google that would explain that, I decided to turn myself to ask you what the arrow in this specific example does, I never saw that expression so I don't really get it what it does. Site I try to learn from:…
zapole
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What's wrong with this use of EventQueue.invokeLater?

So I was trying to figure out how this snake game works: http://zetcode.com/tutorials/javagamestutorial/snake/ When I copied the code into a compiler, I got many errors in this one block of code: public static void main(String[] args) { …
lefty
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How to properly asychronously load UI component using Event Queues in ZK framework?

I have a custom composer/controller class that extends GenericForwardComposer. Inside this class I have some methods that are being used to initialize UI components with data. This is a very long operation and takes time to complete. Due to…
tony
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Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: org.opencv.core.Mat.n_Mat()J

I'm doing OpenCv program in Java. This error keep popping up. Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: org.opencv.core.Mat.n_Mat()J at org.opencv.core.Mat.n_Mat(Native Method) at…
Kantie
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In the case of node js the event queue or task queue is only meant for queuing tasks?

In the case of nodeJs the event queue or task queue is only meant for queuing tasks and if any kind of asynchronous call is there , is that handled by c++ api's present within libuv library . for example if any db query is happening , how exactly…
Piyush Biswal
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Having "AWT-EventQueue-0" java.lang.StackOverflowError with specific variable set

I am coding this program to solve the following equation: ax+by+cz+....+nk <= d a, b, c, ..., n and d will be input by user. Imaging that a, b, c, ..., n are the price list and x y z... k are the quantity. Giving you a money amount of d, you need to…
Khoa Đặng Quang
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How to prepend message to Javascript event queue? (Canceling long running methods)

I have a nonstandard scenario, I am making a embedded ebook reader which uses webview to show local html epub files. What I do is via ajax I load all the html files, parse their contents and append them to body, ajaxes area quick but the callbacks…
urSus
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On closing the main Swing window, the other thread on the EventQueue gets not created

I write Java SE 8 desktop application. It's got a Swing UI. Platform: Eclipse IDE Windows 10 OS Now when I close the main window, by pressing on the "X" on the top-right-corner, I have a listener to listen for such event. The listener right here: …
ucas
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A Non Blocking Event Loop in Nodejs

I was trying to implement an event loop. The purpose of the loop is simple: If, the queue is not empty, let task be the oldest entry in the queue. Process task If, task generates a return value, cache it. Check the queue for task. If, the queue is…
Abrar Hossain
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