callback

Drupal 6 Imagefield and some sort of jquery callback when the field has uploaded

Hi all, I'm totally stuck trying to find a way of moving the imagefield preview of a Drupal 6 cck form to another div on the page. The desired process using a cck form and some javascript: click browse, click upload, imagefield widget uploads the file then creates a an image preview. Once this is done I need to triger a javascript func...

Execute a method AFTER a callback completes

I have a C# application using a C++ DLL. The C++ DLL is extremely simple. I can call one method, and it has a callback method. The callback method must finish before I can process the next item. The problem is, I can only process one command at a time, but I want to process them as fast as possible. Fake/simplified code interface for c...

What elegant method callback design should be used ?

Hi, I'm surprised this question wasn't asked before on SO (well, at least I couldn't find it). Have you ever designed a method-callback pattern (something like a "pointer" to a class method) in C++ and, if so, how did you do it ? I know a method is just a regular function with some hidden this parameter to serve as a context and I hav...

Waiting on multiple asynchronous calls to complete before continuing

So, I have a page that loads and through jquery.get makes several requests to populate drop downs with their values. $(function() { LoadCategories($('#Category')); LoadPositions($('#Position')); LoadDepartments($('#Department')); LoadContact(); }; It then calls LoadContact(); Which does another call, and when it retur...

Matlab: How to get the current mouse position on a click by using callbacks

I googled near and far, but couldn't get an example of how you associate a callback to the click event in matlab. Can someone show me an example? ...

Rails - before_save that includes updated object

I have a before_save that calculates a percentage that needs to include the object that is being updated. Is there a one-liner in Rails that takes care of this? for example and this is totally made up: Object.find(:all, :include => :updated_object) Currently I'm sending the object that is getting updated to the definition that calcul...

Rails: update_attribute vs update_attributes

Object.update_attribute(:only_one_field, "Some Value") Object.update_attributes(:field1 => "value", :field2 => "value2", :field3 => "value3") Both of these will update an object without having to explicitly tell AR to update. Rails API says: for update_attribute Updates a single attribute and saves the record without going throug...

C#: My callback function gets called twice for every Sent Request

I've Got a program that uploads/downloads files into an online server,Has a callback to report progress and log it into a textfile, The program is built with the following structure: public void Upload(string source, string destination) { //Object containing Source and destination to pass to the threaded function Ke...

WCF Create Message

I have a WCF service using callbacks to communicate to a Silverlight client. Everything is up and working, but it's taking an awful long time to send the message (over half a second). I fired up the WCF Debugger and the step "Create a message" is taking over half a second to complete. It's a simple DataContract with ~12 properties, no...

jQuery: Scroll the window then addClass() - how to callback

Inside a jQuery event handler, I would like to scroll the window and then add a class to something. This is my code: $('#foo').click(function() { window.scrollTo(y); $('#bar').addClass('active'); }); $(window).scroll(function() { $('#bar').removeClass('active'); }); Notice I have another handler to remove that same ...

How can I push a string from one client connected to a WCF service to another connected as well?

Here's what I have so far: IService: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; namespace ServiceLibrary { [ServiceContract(SessionMode = SessionMode.Allowed, CallbackContract = typeof(IServiceCallback))] public interface IService { [OperationCon...

jQuery.ajax success callback function not executed

I have a JavaScript Ajax call (jQuery.ajax), that does not execute the success callback function. $.ajax({ url: target, contentType: 'application/json; charset=utf-8', type: 'POST', // type: 'GET', dataType: 'jsonp', error: function (xhr, status) { alert(status); }, ...

Why can't I open a new window on my jquery ajax callback?

to show my problem in a couple examples... THIS WORKS $.post("SomePage.aspx", { name : "value" }, function (data) { alert(data); }, "text"); THIS DOESN'T WORK $.post("SomePage.aspx", { name : "value" }, function (data) { window.open("http://www.google.com"); }, "text"); In the ...

Practise Questions for Templates,Functors,CallBack functions in c++?

Hi, I have been reading templates,functors,callback function for the past week and have referred some good books and articles. I however feel that, unless I can get good practice - programming in templates and use functors-callbacks there is no way I can really understand all the concepts or fluently use them while coding. Could any...

how to pass a parameter to method with php's is_callable

i have to create a variable that is callable with php's is_callable i have done this: $callable = array(new MyClass, 'methodName'); but i want to pass a parameter to the method. how can i do that? cause using symfony's event dispatcher component will be like: $sfEventDispatcher->connect('log.write', array(new IC_Log('logfile.txt'...

Specify an inline callback function as an argument.

LS, Let me first explain what I'm trying to achieve using some pseudo-code (JavaScript). // Declare our function that takes a callback as as an argument, and calls the callback with true. B(func) { func(true); } // Call the function B(function(bool success) { /* code that uses success */ }); I hope this says it all. If not, please c...

Set a callback function to a new window in javascript

Is there an easy way to set a "callback" function to a new window that is opened in javascript? I'd like to run a function of the parent from the new window, but I want the parent to be able to set the name of this particular function (so it shouldn't be hardcoded in the new windows page). For example in the parent I have: function DoS...

Facebook "Like" button callback

Hello, I am interested in implementing the facebook "Like" button, but I would like to know what user is clicking on this button so I can get some useful information from this. From what I have read, facebook is leaving us in the dark on who is clicking on what. ANyone have an idea on how I could track which user clicked on a like button...

Using TextboxList events and callbacks

Has anyone gotten callbacks working with Guillermo Rauch's TextboxList Autocomplete? I've tried multiple ways to bind and multiple events (e.g. hover) - nothing seems to register. $('#entSearch').textboxlist({unique: true, plugins: { autocomplete: { minLength: 3, queryRemote: true, ...

Callback for UITableView animations

Is there a delegate protocol that includes a callback for the end of animated changes to UITableView? Particularly reloadSection/Rows? ...