This question already has an answer here:                           JavaScript closure inside loops – simple practical example                                      43 answers                                     I am running an event loop of th...
I can't wrap my head around AngularJS' concept of promises.  I have a provider:  var packingProvider = angular.module('packingProvider',[]);  packingProvider.provider('packingProvider',function(){     return{        $get: func...
Lets asume I have a code like the following:  var shared = 100; function workWithIt(){     shared += 100; }  setTimeout(workWithIt, 500); setTimeout(workWithIt, 500);   Ideally, this piece of code should add 200 to the variable shared, which is 300 a...
I have a problem in my project.   To describe this issue I have wrote simplified code snippet:  function waitFor(fnReady, fnCallback) {     var check = function() {         if (fnReady()) {             fnCallback();         }         else {...
I need to invent a method to synchronize multiple devices that are connected to a Website. Lets say I have a Tablet and a Laptop and change some elements of the dom on the laptop. Then the website on the Tablet should change accordingly.  At first I...
I'm working on a game, which has score based on a JavaScript countdown: the faster you finish the level before the countdown reaches zero, the bigger your score is.  How can I make sure it is not somehow altered when I finally receive it from cli...
I have a NodeJS server application. I have this line of code for my logging:    fs.writeFileSync(__dirname + "/../../logs/download.html.xml", doc.toString());   Sometimes it works correctly, but under heavy load it gives this exception:  Erro...
I have a function which is an event handler for websocket.onmessage, now since the server can send multiple messages (one after another) and each message will trigger that event, and since the function block may take a few seconds (a lot of rendering...
What's the easiest way to sync the state of backbone models across users? I'm running a node.js server. All communication is done vis websockets. I want to set it up so that models can be pushed to different clients and any shared models auto...

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