callback

C# -Delegates and Callbacks

Does the term callback in the context of delegates mean ,"a delegate delegating it works to another delegate inorder to finish some task" ? Example :(Based on my understanding,I have implemented a callback,correct me if it is wrong) namespace Test { public delegate string CallbackDemo(string str); class Program { static void ...

How to callback the button animation?

I found a nice menu which have a background image fade out, as shown here http://www.queness.com/post/411/create-an-attractive-jquery-menu-with-fadein-and-fadeout-effect But however when I rapidly mouse over the button for few times, it will keep animate non stop. I was informed that I need to add in a "callback". I'm not a javascript ...

jQuery callback happening too fast?

Hi, I am using ASP.NET MVC C# I have a jQuery call that deletes a Book, then in the callback I call a function that refreshes the list of Books. function rembook(id) { var agree=confirm("Deletion cannot be undone. Continue?"); if (agree) { jQuery.ajax({ url: "/Books/Delete/" + id, dataType: null, t...

How can I tell if I'm in beforeSave from an edit or a create? CakePHP

Hello, I have a model where I need to do some processing before saving (or in certain cases with an edit) but not usually when simply editing. In fact, if I do the processing on most edits, the resulting field will be wrong. Right now, I am working in the beforeSave callback of the model. How can I tell if I came from the edit or add...

Can I get DirectX(any version) to callback when logging an error?

I have output like this after choosing debug version in the directx cpl: Direct3D9: (WARN) :Ignoring redundant SetTextureStageState. Stage: 0, State: 3 Direct3D9: (ERROR) :Memory Address: 008307ec lAllocID=1 dwSize=00004bc4, ReturnAddr=7248d5ea (pid=000017d4) Is it possible to define a callback which is triggered when these notificati...

JQuery, AJAX, PHP, XML; Image overlay script stops working on callback content.

A button click fires my function that fetches image data via an AJAX-call: $("#toggle_album").click(function () { album_id = $("#album_id").val(); $.post('backend/load_album_thumbnails.php', { id: album_id }, function(xml) { var status = $(xml).find("status").text(); var timestamp = $(xm...

WCF duplex channel gets closed when using callbacks

My WCF service uses netTcpBinding, and has a callback object. I need to service multiple concurrent clients, and mantain sessions, so the service is decorated with [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession, ConcurrencyMode = ConcurrencyMode.Multiple] To avoid thread deadlocks, the callback class is decorated...

Calling C like callback within a thread

Hi; I have a C static library with, A callback definition: typedef void (*HandleEvents) (enum events eventID, int msgSize, char *msg); A function in the library: int init(HandleEvents _handleEvents) And another C++ GUI developed in VS. which links this static lib and calls init function of the lib giving a function pointer. ini...

ASP.NET UpdatePanel Javascript Callback

I came across this issue recently and thought it was really helpful. My question was, how would you call a piece of javascript after an updatepanel loads via AJAX in ASP.NET? I needed to reinitialize a jQuery datepicker after the panel had loaded. ...

jquery html callback

Is there a callback for the html() function or a way to check that it is finished. For example: $("#some_div").html('something here'); if($("#some_div").html() == ''){ //do something here } I am setting the html of an element from a post. Sometimes it doesnt load so when it doesnt load I would like for it to do something, is this pos...

How can I refer to the calling element in JQuery?

For example: <input type="text" size="5" id="question'+$qid+'"onKeyUp="checkanswer('+i+')"/></div> I want to refer to the "question'+$qid+'" element inside the function checkanswer(), how to do it? Maybe I can do it by onKeyUp="checkanswer('+$qid+')", is there other elegant way to do it? ...

is it possible to trigger events on class change events?

I want to do something to an HTML element after it has been processed by some other js process over which I have no control. for example, given ... ... and some 3rd party async app does $('div.x').each(function(){ /* do stuff */; this.addClass('processed');}); Is there some strategy for registering an interest in the div when its cl...

How to reference external function in javascript callback?

This is for a dialog in a Firefox extension. How can I make the following code work, so that when the listener callback is called, it can reference external function onSave2(). I keep getting function onSave2() is not defined. Also, I noticed that when confirm is called I get this: Error: Component returned failure code: 0x80004005 (...

WCF Calling a service from a callback method in Client

Hello, I have a scenario where, upon receiving a command on one of the callback methods in client, the client needs to call another service. For example: In OnNewCommand() callback method client receives a message X. Now the client must call Service1() defined in the server. Note, Client has registered to the callback of Service1(). I c...

How to get reliable call-backs with WCF using NetTcpBinding

I am planning to use the NetTcpBinding for an application that needs to keep a hand-full of clients in sync. Whenever there is a change of state at the server, all the connected clients must be informed. However I need the clients to automatically reconnect if there is a network problem, any outstanding callbacks from the server for t...

Event Dispatcher for WCF call-backs

I have a server that needs to keep a small number of clients in sync. Whenever there is a change of state at the server, all the connected clients must be informed. I am planning to use a “callback contract”, I can get hold of the callback reference for each client on the server by using GetCallbackChanel(). I then need to manage...

I want a function to be fired whenever one option of a radio element is checked. The radio elements are dynamically created by using Jquery

I want to place a function on input radio elements. These input radio elements are created dynamically by using Jquery.One dynamically-created(by user's click) input element looks as follows: <div class="below"> <input type="radio" value="information" name="option0"/> information <input type="radio" value="communication" name="option0"/...

Accessing Parameters *and* Events in function from jQuery Event

Hello all, This is a follow-up question to a different question I asked not too long ago. Typically, you can access an event in a function call from a jQuery event like this: $item.live("click", functionToCall); and in the function: function functionToCall(ev) { // do something with ev here, like check 'ev.target' } But what if ...

Java callback function on every class method

Is there a way in JAVA to call a callback function on every method of my class without having to explicitly do the call?? I don't want to do public void foo() { //some code callBackFunction() } I would like to do public void foo() { //some code } and then the class recognizes that it has to call the callBackFunction() ...

Event driven with Java and Javascript?

I am trying to perform some computations on a server. For this, the client initially inputs some data which I am capturing through Javascript. Now, I would perhaps make a XMLHttpRequest to a server to send this data. Let's say the computation takes an hour and the client leaves the system or switches off the system. In practice, I woul...