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Questions tagged [event-queue]

13 questions
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How are the Event Loop, Callback Queue, and Javascript’s single thread connected?

GENERAL GOAL I’d like to know how the following pieces of a javascript environment interconnect as a system. Javascript Engine Event Loop Event Queue We can limit this to a browser environment since node has been covered in another article…
kurtcorbett
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Method to get the running thread id in javascript/jquery

I am new to javascript/jquery. I have a simple question one of java script function is running and wanted to see the thread id for that thread. In java we do like Thread.getID();//in java which will print the thread id of running thread. In the…
swati
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Java + Swing: writing code to coalesce change events

I have this data flow, roughly: DataGenerator -> DataFormatter -> UI DataGenerator is something that generates data rapidly; DataFormatter is something that formats it for display purposes; and the UI is just a bunch of Swing elements. I'd like to…
Jason S
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Can I change the event queue priority in JavaScript?

I need a distinct sound to play when a error occurs. The error is the result of a problem with one of perhaps two hundred barcodes that are being inputted in rapid fire. The event queue seems to handle keyboard input (which the barcode scanner…
dacracot
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Difference between SwingUtilities Threads and AWT.EventQueue threads

I am using using the Netbeans 7 IDE to develop a GUI desktop application. When I create the JFrame class , Netbeans uses the java.awt.EventQueue.invokeLater(new Runnable() { } To initiate the runnable object. But my application has swing…
CodeAngel
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Event Queue in SimPy

I'm coming from a SystemC world and I am trying to code something simple in Python. I wonder if Python has something similar to peq_with_get() (from SystemC) which is basically a queue that preserves all the triggers made to an event. I developed…
Amir
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Event Queuing in NodeJS

NodeJS uses a event driven model in which only one thread executes the events. I understand the first event executed will be the user JS code. Simple example from nodeJS website of a webserver is below var http =…
ekhan
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JS browser event handling

Right now I've got a little bit confused with browser events. I'm still not sure how event loop starts working. For example, when I dispatch custom event in the mid of some function, does event handling start right away or is it moved to the event…
Andrei Hrabouski
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Why does fireTableChanged() on AbstractTableModel notify listeners last to first?

This is obscure, but for some reason the notification in AbstractTableModel is last-to-first, causing a bug in my code. I can fix it, but I'm wondering if anyone knows why notification is done in this way? public void…
Garrett Hall
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How to queue multiple events to a single eventHandler in actionscript 3?

I am building a framework for loading minigames (in swf), and am running into a problem. I currently have a listener that listens for events that the child minigame sends to the parent framework. However, if the child sends two messages (events) too…
futureelite7
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Any of the collections or data structure is non blocking in java

In event processing a function puts values into a collection and another removes from the same collection. The items should be placed inside the collection in the order they received from the source (sockets) and read in the same way or else the…
user64287
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AWS lambda running the previous event's queue leftover functions

I am using AWS lambda for my application to get multiple records from dynamo using promises. Initially I set my context.callbackWaitsForEmptyEventLoop = true, so the handler will wait until the promises are resolved. Once the promises are resolved I…
itssiva
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Lightweight Message Bus with broadcasting and routing capabilities?

I am trying to find the most light-weight message bus (queue?) that can handle the following: Producer A subscribes to the bus. The bus is specified via a well known form of identification (like a name, a socket or something). Consumer B…
Ashkan Kh. Nazary
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