ajax

How does Gmail do comet on Opera?

I would like to know how Gmail (or anyone else) does comet on Opera. Here is what I know so far from my experiments. It doesn't use the event-source tag which is broken in Opera 10.51. It doesn't use iframe which displays a spinning throbber and a busy mouse cursor. It doesn't use responseText on xmlhttprequest when readyState = 3 whi...

IE8 AJAX GET setRequestHeaders not working unless params provided in URL

I'm trying to create an AJAX request in IE8. var xhr = new ActiveXObject( 'Msxml2.XMLHTTP' ); xhr.open( 'GET', '/ajax/' ); // Required header for Django to detect AJAX request xhr.setRequestHeader( 'X-Requested-With', 'XMLHttpRequest' ); xhr.onreadystatechange = function() { if ( this.readyState == 4 ) console.log(this.responseText);...

Drag-and-drop file upload in Google Chrome/Chromium?

Drag-and-drop file uploading can be done in Firefox 3.6. A Google search for html5 drag-and-drop file uploading -gmail gives things like: http://stackoverflow.com/questions/2121018/native-drag-drop-file-upload-in-firefox-3-6 http://www.appelsiini.net/2009/10/html5-drag-and-drop-multiple-file-upload http://www.thecssninja.com/javascrip...

when long polling, Why are my other requests taking so long?

The client makes 2 concurrent requests. (1 which takes 60 seconds - long polling) and another which is NOT long polling - supposed to return right away. It does return right away when I'm not doing long polling. But as soon as I start doing long polling with the other thread, the other one takes forever to execute. Firebug shows that ...

To Ajax or Not to Ajax a listing page

Here i am talking about product listing pages where there are multiple filters that filter the list of products appearing on the page like product types, categories price range etc. I have done such pages using both ajax and no ajax way in the past. What I like about using ajax in such page is that, when filters are selected I only upd...

Draw multiple circles in Google Maps

Hi. I want to draw multiple circles on a map, using the Google Maps API anj jQuery. The following code works as long as the line with drawMapCircle() is commented out (The markers are positioned correctly). What's wrong with my code? $.getJSON( "ajax/show.php", function(data) { $.each(data.points, function(i, poin...

How to add dynamically a component in JSF2 during an Ajax request.

Hello, I am currently trying to dynamically add a new component to the JSF component tree during an ajax request. In fact I add a child to the UIViewRoot component in my AjaxBehaviorListener which is fired on server side during the ajax request process. The issue is that the new component is not rendered. It seems that this component ...

Send POST data with FBML on Facebook

I'm new at this, and I can't seem to find the documentation that explains this. But I want to create a Facebook page, where you can send POST data to an external server, preferably with AJAX. Can someone please point me in the right direction, as I'm stumbling blind. ...

Can PHP Includes be used to onClick load one page inside another.

Need to load the content of one page inside another to simulate tabbed panels. The current methods I have tried do not work. Iframe does not readjust size to conform with the collapsible panels and with ajax the collapsible panels and calculating scripts do not work at all. Testing area is located here http://www.divethegap.com/scuba-d...

IE8 + Jquery ajax call giving parsererror from dJango : for json data which seems valid in Firefox

The ajax call works fine in FF. the data returned is in JSON here is an example from FF firebug - {"noProfiles": "No profiles have been created, lets start now !"} When I try to print the error in IE8 (& in compatibility modes as well), it says "parsererror". But the output seems to be valid JSON. Here is the ajax function call...

How a database is loaded into an application?

Hi All i need is a simple explanation on how does this function work I also attached a piece of php which I think is the one that retrieves the data from the database. Please correct me if I'm wrong Cheers. function loadDatabaseRecords () { // Mozilla/Safari if (window.XMLHttpRequest) { xmlHttpReq = new XMLHttpRequest(); } // ...

How does this ajax call persist DOM changes in the browser cache?

For the purpose of the question I need to create a simple fictitious scenario. I have the following trivial page with one link, call it page A: <a class="red-anchor" onclick="change_color(event);" href="http://mysite.com/b/"&gt;B&lt;/a&gt; With the associated Javascript function: function change_color(e) { var event = e || window....

How to create stackoverflow's post voting like jquery/ajax function?

Can I use Jquery to call an action and then change the image when it success, just like stackoverflow's post voting function? In my view, I'm using the following code, but I don't want to refresh the browser. Can anyone provide some code about this for me? Many thanks. <%if (!item.IsPrinted) { %> <%=Html.ImageLink("~/Content/imag...

Ajax doesn't trigger a change-event on a webkit based browser

I have adapted a Jquery plugin to for-fill my needs to send GET requests to servers as a way of "pinging" them. I've also added some javascript code to add some fancy features like: depending on the changed value in a span that the Jquery plugin changes, it changes the Icon accordingly. To make it all work essentially, I made so that w...

Refresh DOM with jquery after AJAX call

I'm working on a new project http://www.hotwirerevealed.com which reveals / identifies hotels on hotwire.com. After inputting a state and a destination I have a javascript functions that uses jquery's .post method to post. The post request goes to an php page which outputs html, I se jquery's html method to place the content on the page....

How to properly load HTML data from third party website using MVC+AJAX?

I'm building ASP.NET MVC2 website that lets users store and analyze data about goods found on various online trade sites. When user is filling a form to create or edit an item, he should have a button "Import data" that automatically fills some fields based on data from third party website. The question is: what should this button do ...

Ajax in UserControl

Hi i have a signup page and i want to check username exists or not with ajax <%@ Control Language="C#" AutoEventWireup="true" CodeFile="Simple.ascx.cs" Inherits="UserControls_Simple" %> نام کاربری: کلمه عبور i eant to show label if user exists how can i do that? tnx ...

Google AJAX Transliteration API: Is it possible to make all input fields in the page transliteratable?

Hello, I've used "Google AJAX Transliteration API" and it's going well with me. http://code.google.com/apis/ajaxlanguage/documentation/referenceTransliteration.html Currently I've a project that I need all input fields in every page (input & textarea tags) to be transliteratable, while these input fields differs from page to page (dyn...

Jquery AJAX and figuring out how NOT to nest callbacks for multiple reloads.

I have a site with a few containers that need to load content dynamically via AJAX. Most of the links inside of the containers actually load new data in that same container. I.E: $("#navmenu_item1").click(function() { $("#navmenu").load(blah); }); When I click on a link, lets say "logout," and the menu reloads with the updated logi...

ajax uploading control

Is there any free ajax uploading control which can give black-screen on the page to prevent other user interaction while uploading? Thanks! ...