callback

Same code... but warning!Any ideas?

I've a question for a warning message that i get. For this line,using qsort library function: qsort(catalog, MAX ,sizeof catalog, struct_cmp_by_amount); I get this warning: warning: passing argument 4 of ‘qsort’ makes pointer from integer without a cast EDIT: struct_cmp_by_amount is the following function on the program....

jquery, javascript and callback timing

var blah = Some.Thing(data, function(a,b) { // code here }); Some.Thing = function(data, callback) { if(...) { var a = Other.Thing(data, function() { // code here callback(); return; }); } callback(); }; My question is, will the part that says //code here fire only after everyth...

How to avoid memory leaks in callback?

Effective Java says: A third common source of memory leaks is listeners and other callbacks. If you implement an API where clients register callbacks but don’t deregister them explicitly, they will accumulate unless you take some action. The best way to ensure that callbacks are garbage collected promptly is to store ...

JAX-WS Callback vs Polling mechanism for Asynchronous invocation

Basically, under what circumstances should Callback vs Polling be use when implementing asynchronous web services? What are the pros and cons of each?...are there any guidelines or metrics out there? -Callback being the mechanism where the client provides a callback handler to process the response when eventually acquired. -Polling bei...

fullcalendar : updating option function callbacks after init

Ok, so I have a problem with setting options whose values are callback functions when trying to set them after plugin initialization. I think this would be a common behavior, to dynamically set event callback after init'ing the calendar. Here is a snipit of code: $(document).ready(function() { $('#calendar').fullCalendar({ ed...

Pass Result of ASIHTTPRequest "requestFinished" Back to Originating Method

I have a method (getAllTeams:) that initiates an HTTP request using the ASIHTTPRequest library. NSURL *httpURL = [[[NSURL alloc] initWithString:@"/api/teams" relativeToURL:webServiceURL] autorelease]; ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:httpURL] autorelease]; [request setDelegate:self]; [request startAsynchr...

WCF Callbacks often break

I'm having quite some trouble with the WCF Callback mechanism. They sometimes work but most of the time they don't. I have a really simple Interface for the callbacks to implement: public interface IClientCallback { [OperationContract] void Log(string content); } I then implmenent that interface with a class on the client: [Serv...

PHP callback function not being called

Hi everyone, I've got the following code: function failureCallback($host, $port) { print "memcache '$host:$port' failed"; } $this->memcache = new Memcache; ## bool Memcache::addServer ( string $host [, int $port = 11211 [, bool $persistent [, int $weight [, int $timeout [, int $retry_interval [, bool $status [, ca...

Create thread is not accepting the member functon

I am trying to create a class for network programming. This will create a general purpose socket with thread. But when I tried to creat the thread using createthread(). The third argument is producing errors. And from the net I came to know that I can't use the member functions as a argument to the createthread(). Is there any thing by...

When animating, how fire the callback only when all elements are done?

When animating in jQuery, what's best practice for firing a callback only when ALL elements are done animating and not for each element? For example: $('.someElements').fadeOut('fast', function() { // dont do this until ALL elements are done fading } ...

How to structure javascript callback so that function scope is maintained properly

I'm using XMLHttpRequest, and I want to access a local variable in the success callback function. Here is the code: function getFileContents(filePath, callbackFn) { var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function() { if (xhr.readyState == 4) { callbackFn(xhr.responseText); } }...

what is icallbackeventhandler equivalent in asp.net MVC

Does MVC have an equivalent to the web forms icallbackeventhandler. Webforms allow you to make a call a function after the page has loaded. Any guidance is appreciated. ...

Ruby: having callbacks on 'attr' objects

Essentially I'm wondering how to place callbacks on objects in ruby, so that when an object is changed in anyway I can automatically trigger other changes: (EDIT: I confused myself in my own example! Not a good sign… As @proxy is a URI object it has it's own methods, changing the URI object by using it's own methods doesn't call my own ...

Is there a way to configure throttling for callbacks in WCF?

Is it possible to control throttling on callback? So the server would be limited(controlled) how often it can callback the client. ...

Sending data in a GTK Callback

How can I send data through a GTK callback? I've Googled, and with the information I found created this: #include <gtk/gtk.h> #include <stdio.h> void button_clicked( GtkWidget *widget, GdkEvent *event, gchar *data); int main( int argc, char *argv[]){ GtkWidget *window; GtkWidget *button; gtk_init (&argc, &argv); wi...

javascript: execute a bunch of asynchronous method with one callback

I need to execute a bunch of asynchronous methods (client SQLite database), and call only one final callback. Of course, the ugly way is: execAll : function(callBack) { asynch1(function() { asynch2(function() { ... asynchN(function() { callBack(); }...

WCF Publish/Subscribe and using callbacks to send data to specific users

Hello thanks for looking, I'm working on a project at the moment and have become a little stuck. I'm creating a client server app, which allows a client to subscribe to the server to have messages forwarded to it. The issue I'm having is that when the client subscribes I wish for them to only recieve updates that relate to them. The s...

Add to language syntax in Netbeans/Eclipse

Hey, This may seem like seem like a bit of a weird/uncommon request but I am trying to find out if it is possible. I would like to add to the language syntax in Netbeans or Eclipse easily without needing to create an entirely new language. According to this question http://stackoverflow.com/questions/281992/how-to-add-more-syntax-elemen...

How do I pass a variable number of parameters along with a callback function?

I'm using a function to lazy-load the Sizzle selector engine (used by jQuery): var sizzle_loaded; // load the Sizzle script function load_sizzle(module_name) { var script; // load Sizzle script and set up 'onload' and 'onreadystatechange' event // handlers to ensure that external script is loaded before dependent // code is e...

Problem when calling local variable in GUI MATLAB

I'm getting this error: Error in ==> APP>pushbutton2_Callback at 109 img=imread(FileName) When I try to use FileName in pushbutton2_Callback I'm getting the error mentioned FileName is variable in pushbutton1_Callback. ...