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• How to post a poll on the Facebook wall

  - by Bengt

  Hi, I'm trying to convert my poll app into a Facebook iframe app. My app is written in PHP and uses some Ajax calls to vote at a poll. In the application canvas everything is working fine, but of course I want to get the poll on the wall of a user too. Unfortunately I'm not able to find out how I can post a simple poll with some radio buttons for the options on the wall. I know how to publish images, text, audio files and links to the wall, but I have no idea how to publish my poll on the wall. And I don't just want to use links to vote, I want the user be able to choose a radio button. Does anyone have an idea how to do this or where to find information about doing this? I'm stuck there now for a while and it gets pretty frustrating. I'm using the new Graph API by the way. Or is this impossible? But I don't think so. Any help is appreciated. Bengt

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• ASP.NET UpdatePanel > Get selected value from checbox list outside of panel

  - by Rob

  Hi, I have a listing in an UpdatePanel I have some filters for that list in the form a checkboxList control. The checkboxList is created dynamically on page load During the Ajax update (postback), the checkbox list is not populated form the viewstate, so I cannot get the listing to filter. Note: If I put the checkbox list items directly in the markup, it all works, just not if the listing is populated on-postback. protected override void OnLoad(EventArgs e) { if (!Page.IsPostBack) { foreach (var p in global.Product) CheckListManufacurer.Items.Add(new ListItem(p, p)); } base.OnLoad(e); } <form id="ProductListForm" runat="server"> <asp:ScriptManager ID="ScriptManager" runat="server" EnablePartialRendering="true"></asp:ScriptManager> <asp:CheckBoxList ID="CheckListManufacurer" runat="server" EnableViewState="true"> <asp:ListItem Value="" Text="(All)"></asp:ListItem> </asp:CheckBoxList> <asp:Button id="btnTestAjax" runat="server" Text="Test" /> <asp:UpdatePanel ID="ProductsPanel" runat="server" UpdateMode="Conditional"> <Triggers> <asp:AsyncPostBackTrigger ControlID="btnTestAjax" /> <asp:AsyncPostBackTrigger ControlID="CheckListManufacurer" /> </Triggers> <ContentTemplate> <sr:ProductList ID="Products" runat="server" /> </ContentTemplate> </asp:UpdatePanel> </form>

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• Page_PreRender fires twice on first load in session

  - by awe

  I have an issue when I access the application, I notice that Page_PreRender is fired twice. This only happens the first time in a new session. It does not happen if I refresh the page, or on postbacks. I use .NET framework 3.5 and the built in ajax functionality. I think the problem is not related to img tag with empty src attribute as I have seen other posts has mentioned, because I see this in both FireFox and IE. The posts I saw about this stated that this was not a problem in IE. I have also searched and found no img tags with empty src in the generated page source, so it should not be this. I have also made a simple test page where I have included some of the functionality, and this does not happen. Here I have also tried to reproduce the empty src bug by including <img src="" /> on the page, but this does not trigger this problem. Have anyone any suggestions on what happens? Note: It is the entire page cycle that is firing twice, not just render.

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• XmlHttpRequest in a bookmarklet returns empty responseText on GET?

  - by David Eyk

  I'm trying to build a javascript bookmarklet for a special URL shortening service we've built at http://esv.to for shortening scripture references (i.e. "Matthew 5" becomes "http://esv.to/Mt5". The bookmarklet is supposed to do a GET request to http://api.esv.to/Matthew+5, which returns a text/plain response of http://esv.to/Mt5. The code for the bookmarklet itself looks like this (expanded for readability): var body = document.getElementsByTagName('body')[0], script = document.createElement('script'); script.type = 'text/javascript'; script.src = 'http://esv.to/media/js/bookmarklet.js'; body.appendChild(script); void(0); The code from http://esv.to/media/js/bookmarklet.js looks like this: (function() { function shorten(ref, callback) { var url = "http://esv.to/api/" + escape(ref); var req = new XMLHttpRequest(); req.onreadystatechange = function shortenIt() { if ( this.readyState == 4 && this.status == 200 ) { callback(req.responseText); }; }; req.open( "GET", url ); req.send(); }; function doBookmarklet() { var ref = prompt("Enter a scripture reference or keyword search to link to:", "") shorten(ref, function (short) { prompt("Here is your shortened ESV URL:", short); }); }; doBookmarklet(); })(); When called from http://esv.to itself, the bookmarklet works correctly. But when used on another page, it does not. The strange thing is, when I watch the request from Firebug, the response is 200 OK, the browser downloads 17 bytes (the length of the returned string), but the response body is empty! No error is thrown, just an empty responseText on the XmlHttpRequest object. Now, according to http://stackoverflow.com/questions/664689/ajax-call-from-bookmarklet, GET shouldn't violate the same origin policy. Is this a bug? Is there a workaround?

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• Using a Javascript Variable & Sending to JSON

  - by D Franks

  Hello all! I'm trying to take a URL's hash value, send it through a function, turn that value into an object, but ultimately send the value to JSON. I have the following setup: function content(cur){ var mycur = $H(cur); var pars = "p="+mycur.toJSON(); new Ajax.Updater('my_box', 'test.php', { parameters: pars }); } function update(){ if(window.location.hash.length > 0){ content(window.location.hash.substr(1)); // Everything after the '#' } } var curHashVal = window.location.hash; window.onload = function(){ setInterval(function(){ if(curHashVal != window.location.hash){ update(); curHashVal = window.location.hash; } },1); } But for some reason, I can't seem to get the right JSON output. It will either return as a very large object (1:"{",2:"k") or not return at all. I doubt that it is impossible to accomplish, but I've exhausted most of the ways I can think of. Other ways I've tried were "{" + cur + "}" as well as cur.toObject(), however, none seemed to get the job done. Thanks for the help!

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• jquery-sortable using behavior of a linkedlist

  - by BabaBooey

  I suspect I'm not looking at this issue in the right way so here goes. I have essentially a LinkedList of data on a web page (http://en.wikipedia.org/wiki/Linked_list) that I'd like to manipulate using traditional Linked List behavior (i.e. just updating the reference/id of the "next" object) for performance reasons. Where this gets a bit tricky is I'd ideally like to use Jquery's sortable to do this. Like the user would drag something up/down and I could just do an Ajax call to the server with the id of the object that moved and the new parent id of that object (and then behind the scenes I could figure out how to reconnect things..maybe need more data than that...). But every example I've seen where sortable is used they were sending the whole re-indexed list to the database to update which seems unnecessary to me. With a linked list to change an element's "index" I only need to make 3 updates which depending on the size of the list could be a big performance savings. Anyone have an example of what I'm trying to do...am I too far in left field?

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• javascript setTimeout function out of scope.

  - by Keyo

  I am trying to call showUpload(); from within two setTimeouts. Neither works. It seems to be out of scope and I'm not sure why. I tried this.showUpload() which didn't work either. $(document).ready(function(){ var progress_key = $('#progress_key').val(); // this sets up the progress bar $('#uploadform').submit(function() { setTimeout("showUpload()",1500); $("#progressbar").progressbar({ value:0}).fadeIn(); }); // uses ajax to poll the uploadprogress.php page with the id // deserializes the json string, and computes the percentage (integer) // update the jQuery progress bar // sets a timer for the next poll in 750ms function showUpload() { $.get("/myid/videos/uploadprogress/" + progress_key, function(data) { if (!data) return; var response; eval ("response = " + data); if (!response) return; var percentage = Math.floor(100 * parseInt(response['bytes_uploaded']) / parseInt(response['bytes_total'])); $("#progressbar").progressbar({ value:percentage}) }); setTimeout("showUpload()", 750); } }); Thank you for your time.

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• jQuery server ping slowly but surely filling memory?

  - by danspants

  I use the following piece of code to test if our server is running whilst the user is in a page. I've also started adding other functions that grab small amounts of data that are constantly changing and are to be relayed to the user (Files waiting for download, messages, reports etc). I've noticed recently that if I leave any page open (all pages contain the same function), the browser takes up more and more system memory which I can only attribute to this regular task (overnight it reached 1.6 gb). Is there some way of clearing out the data that is being accumulated? Is this normal behaviour? As far as i can tell, every time I call the function it should overwrite the previously retrieved data? function testServer(){ jQuery.ajax({ type:"HEAD", url:"/media/d_arrow_blue.png", error: function(msg) { jQuery.jGrowl("Server Disconnected"); } }); //retrieves count of files awaiting download - move to seperate function jQuery.get("/get_files/",{"type":"count"},function(data) { jQuery("#downloadList").children("div").text(data); }); }; jQuery().doTimeout(6000,function() { testServer(); return true; });

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• Reverse ordered list for jquery submitted comments

  - by g-man

  Hey guys I have one more question lol. I am using a script that allows users to submit comments through jquery ajax, however when they are submitted, the submitted comments submit at the bottom of the other comments which are sorted in descending order (newest on top) when the page first loads (due to mysql query). Is there a way to make it submit on top through some sort of sorting javascript function? function prepare(response) { var d = new Date(); count++; d.setTime(response.time*1000); var mytime = d.getHours()+':'+d.getMinutes()+':'+d.getSeconds(); var string = '<li class="shoutbox-list" id="list-'+count+'">' + '<span class="date">'+mytime+'</span>' + '<span class="shoutbox-list-nick"><a href="statistics.php?user='+response.user+'">'+response.user+'</a>:</span>' + '<span class="msg">'+response.message+'</span>' +'</li>'; return string; } function success(response, status) { if(status == 'success') { lastTime = response.time; $('#daddy-shoutbox-list').append(prepare(response)); $('input[name=message]').attr('value', '').focus(); $('#list-'+count).fadeIn('slow'); timeoutID = setTimeout(refresh, 3000); } } <div id="daddy-shoutbox"> <ol id="daddy-shoutbox-list"></ol> </div>

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• Choosing the right web service

  - by Ratan Sharma

  My website currently working in ASP.NET 1.1 Old Process In our database we have huge amount of data stored for a decoding purpose. We have to update this huge set of data table each week(Data is supplied from a vendor). In our website (in asp.net 1.1) we query our database to decode information. New process Now instead of storing data in our database and query them, we want to replace this through the web service, AS now the vendor is supplying us a DLL, which will give us the decoded information. Information on the DLL provided by the vendor The DLL provided, can only be added in 4.0 sites. SO that also impleies that i can not directly add the dll to my 1.1 site. This DLL is exposing certain methods, we simply have to add the DLL refernce in our web service and call the method and fetch the needed information. Thus we will not have to store those information in our database. So which type of web service I should go for (asmx OR WCF) that will use the DLLs provided by vendor to fetch the decoded information ?? Flexibility i am looking for in the web service are: It can be consumed from asp.net 1.1 site directly and also using jQuery ajax. It can be consumed from other web services running on the server. It can be consumed from some windows services running from the server. NOTE : Moreover we have a plan to migrate our website from asp.net 1.1 to 4.0 version in future.So it should be that much supportive for future upgrade.

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• Application error passthru when using apache mod_proxy

  - by user303442

  Heyas. I'm using mod_proxy with apache2 provide vhost ability to multiple servlet apps running on the local machine. It works fine, for the most part. Requests come into apache then are directed to the application bound on a port on localhost. The app receives the request and responds, which is delivered back to the client by apache. The problem I'm having is that the application delivers 500's on errors, and mod_proxy stomps on them. Often these errors are caused in a ajax request and the error is handled in client side javascript. For example, a call to a server side createObject(name) might throw a NameNotUniqueException , which is delivered back as a 500. The client javascript might then display an appropriate error message. When an error is thrown by the application (resulting in a 500 response to mod_proxy), then apache stomps the error message and returns 500 Internal Server Error Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. .. the stock apache server side error message. I want mod_proxy to pass the original 500 back through to the client. Is there a directive I've missed which prevents clobbering of the 500? TIA

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• Dynamically created controls and the ASP.NET page lifecycle

  - by Dirk

  I'm working on an ASP.NET project in which the vast majority of the forms are generated dynamically at run time (form definitions are stored in a DB for customizability). Therefore, I have to dynamically create and add my controls to the Page every time OnLoad fires, regardless of IsPostBack. This has been working just fine and .NET takes care of managing ViewState for these controls. protected override void OnLoad(EventArgs e) { base.OnLoad(e); RenderDynamicControls() } private void RenderDynamicControls(){ //1. call service layer to retrieve form definition //2. create and add controls to page container } I have a new requirement in which if a user clicks on a given button (this button is created at design time) the page should be re-rendered in a slightly different way. So in addition to the code that executes in OnLoad (i.e. RenderDynamicControls()), I have this code: protected void MyButton_Click(object sender, EventArgs e) { RenderDynamicControlsALittleDifferently() } private void RenderDynamicControlsALittleDifferently() (){ //1. clear all controls from the page container added in RenderDynamicControls() //2. call service layer to retrieve form definition //3. create and add controls to page container } My question is, is this really the only way to accomplish what I'm after? It seems beyond hacky to effectively render the form twice simply to respond to a button click. I gather from my research that this is simply how the page-lifecycle works in ASP.NET: Namely, that OnLoad must fire on every Postback before child events are invoked. Still, it's worthwhile to check with the SO community before having to drink the kool-aid. On a related note, once I get this feature completed, I'm planning on throwing an UpdatePanel on the page to perform the page updates via Ajax. Any code/advice that make that transition easier would be much appreciated. Thanks

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• POSTing JSON data to WCF REST

  - by Randall Sexton

  I'm trying to send data from a client application using jQuery to a REST WCF service based on the WCF REST starter kit. Here's what I have so far. Service Definition: [WebHelp(Comment = "Save PropertyValues to the database")] [WebInvoke(Method = "POST", UriTemplate = "PropertyValues_Save", BodyStyle = WebMessageBodyStyle.WrappedRequest, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] [OperationContract] public bool PropertyValues_Save(Guid assetId, Dictionary<Guid, string> newValues) { ... } Call from the client: $.ajax({ url:SVC_PROPERTYVALUES_SAVE, type: "POST", contentType: "application/json; charset=utf-8", data: jsonData, dataType: "json", error: function(XMLHttpRequest, textStatus, errorThrown) { alert(textStatus + ' ' + errorThrown); }, success: function(data) { if (data) { alert('Values saved'); $("#confirmSubmit").dialog('close'); } else { alert('Values failed to save'); $("#confirmSubmit").dialog('close'); } } }); Example of the JSON being passed: { "assetId": "d70714c3-e403-4cc5-b8a9-9713d05b2ee0", "newValues": [ { "key": "bd01aa88-b48d-47c7-8d3f-eadf47a46680", "value": "0e9fdf34-2d12-4639-8d70-19b88e753ab1" }, { "key": "06e8eda2-a004-450e-90ab-64df357013cf", "value": "1d490aec-f40e-47d5-865c-07fe9624f955" } ] } I'm using Windows Authentication on the virtual directory. When I call operations that are GETs, everything is fine. This code is prompting the browser to log in. When I enter my credentials, I simply get an alert in my browser which says "error undefined". Even if you can't help my specific error, do you see anything that looks wrong from glancing? I've been beating my head on this nearly all day. Thanks in advance.

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• Read data from ATOM file with jquery.

  - by carrerasrodrigo

  Hi, i'm trying to read a xml/atom file, the code is: $.ajax({ type: 'GET', url: options.url, data: options.data, dataType: 'xml', async:options.async, success: function(xml) { var feed = new JFeed(xml); if(jQuery.isFunction(options.success)) options.success(feed); } }); The atom file has a field like this: <entry> <content type="xhtml"> <div xmlns="http://www.w3.org/1999/xhtml">Docentes y alumnos desa...</div> </content> </entry> The code to read the content tag is: jQuery(this).find('content').eq(0).text(); this - the entry part. The problem is, when jQuery execute this line returns "Docentes y alumnos desa...". There is is a way that jQuery returns---- "<div xmlns="http://www.w3.org/1999/xhtml">Docentes y alumnos desa...</div>" Thanks!! and sorry for the english!!

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• asp.net mvc outputting json with backslashes ( escape) despite many attemps to filter

  - by minus4

  i have an asp.net controller that output Json as the results a section of it is here returnString += string.Format(@"{{""filename"":""{0}"",""line"":[", file.Filename); what i get returned is this: "{\"DPI\":\"66.8213457076566\",\"width\":\"563.341067\",\"editable\":\"True\",\"pricecat\":\"6\",\"numpages\":\"2\",\"height\":\"400\",\"page\":[{\"filename\":\"999_9_1.jpg\",\"line\":[]},{\"filename\":\"999_9_2.jpg\",\"line\":[]}]]" i have tried to return with the following methods: return Json(returnString); return Json(returnString.Replace("\\",""); return Json will serialize my string to a jSon string, this i know but it likes to escape for some reason, how can i get rid of it ???? for info this is how i call it with jQuery: $.ajax({ url:"/Products/LoadArtworkToJSon", type:"POST", dataType: "json", async: false, data:{prodid: prodid }, success: function(data){ sessvars.myData = data; measurements = sessvars.myData; $("#loading").remove(); //empty the canvas and create a new one with correct data, always start on page 0; $("#movements").remove(); $("#canvas").append("<div id=\"movements\" style=\"width:" + measurements.width + "px; height:" + Math.round(measurements.height) + "px; display:block; border:1px solid black; background:url(/Content/products/" + measurements.page[0].filename + ") no-repeat;\"></div>"); your help is much appreciated thanks

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• jquery google link

  - by Val

  Has anyone got any idea how this google code works? i got the following: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>My Google AJAX Search API Application</title> <script src="http://www.google.com/jsapi?key=blahblahblah" type="text/javascript"></script> <script language="Javascript" type="text/javascript"> google.load("jquery", "1"); google.load("jqueryui", "1"); </script> </head> <body> <div class="ui-state-highlight"> hello world </div> </body> </html> However the <div></div> should display the error box with hello world. but it doesn't show the red background therefor the ui is not working ... What have i done wrong here?

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• Rails 3 get raw post data and write it to tmp file

  - by Andrew

  I'm working on implementing Ajax-Upload for uploading photos in my Rails 3 app. The documentation says: For IE6-8, Opera, older versions of other browsers you get the file as you normally do with regular form-base uploads. For browsers which upload file with progress bar, you will need to get the raw post data and write it to the file. So, how can I receive the raw post data in my controller and write it to a tmp file so my controller can then process it? (In my case the controller is doing some image manipulation and saving to S3.) Some additional info: As I'm configured right now the post is passing these parameters: Parameters: {"authenticity_token"=>"...", "qqfile"=>"IMG_0064.jpg"} ... and the CREATE action looks like this: def create @attachment = Attachment.new @attachment.user = current_user @attachment.file = params[:qqfile] if @attachment.save! respond_to do |format| format.js { render :text => '{"success":true}' } end end end ... but I get this error: ActiveRecord::RecordInvalid (Validation failed: File file name must be set.): app/controllers/attachments_controller.rb:7:in `create'

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• Improve performance of searching JSON object with jQuery

  - by cale_b

  Please forgive me if this is answered on SO somewhere already. I've searched, and it seems as though this is a fairly specific case. Here's an example of the JSON (NOTE: this is very stripped down - this is dynamically loaded, and currently there are 126 records): var layout = { "2":[{"id":"40","attribute_id":"2","option_id":null,"design_attribute_id":"4","design_option_id":"131","width":"10","height":"10", "repeat":"0","top":"0","left":"0","bottom":"0","right":"0","use_right":"0","use_bottom":"0","apply_to_options":"0"}, {"id":"41","attribute_id":"2","option_id":"115","design_attribute_id":"4","design_option_id":"131","width":"2","height":"1", "repeat":"0","top":"0","left":"0","bottom":"4","right":"2","use_right":"0","use_bottom":"0","apply_to_options":"0"}, {"id":"44","attribute_id":"2","option_id":"118","design_attribute_id":"4","design_option_id":"131","width":"10","height":"10", "repeat":"0","top":"0","left":"0","bottom":"0","right":"0","use_right":"0","use_bottom":"0","apply_to_options":"0"}], "5":[{"id":"326","attribute_id":"5","option_id":null,"design_attribute_id":"4","design_option_id":"154","width":"5","height":"5", "repeat":"0","top":"0","left":"0","bottom":"0","right":"0","use_right":"0","use_bottom":"0","apply_to_options":"0"}] }; I need to match the right combination of values. Here's the function I currently use: function drawOption(attid, optid) { var attlayout = layout[attid]; $.each(attlayout, function(k, v) { // d_opt_id and d_opt_id are global scoped variable set elsewhere if (v.design_attribute_id == d_att_id && v.design_option_id == d_opt_id && v.attribute_id == attid && ((v.apply_to_options == 1 || (v.option_id === optid)))) { // Do stuff here } }); } The issue is that I might iterate through 10-15 layouts (unique attid's), and any given layout (attid) might have as many as 50 possibilities, which means that this loop is being run A LOT. Given the multiple criteria that have to be matched, would an AJAX call work better? (This JSON is dynamically created via PHP, so I could craft a PHP function that could possibly do this more efficently), or am I completely missing something about how to find items in a JSON object? As always, any suggestions for improving the code are welcome! EDIT: I apologize for not making this clear, but the purpose of this question is to find a way to improve the performance. The page has a lot of javascript, and this is a location where I know that performance is lower than it could be.

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• getting a tiled image collection on the iPad (deepzoom)

  - by Chris B

  I have a set of tiled image collections created via microsoft's deep zoom composer, and a silverlight app that currently consumes them for display via MultiScaleImage - it's all working pretty well - I'd just like to get some experience with iPad programming and have a couple of ideas for some ipad applications. All my ideas rely on me being able to display/manipulate these tiled image sets (on the iPad). I just picked up a iMac to facilitate this. I'm not seeing any objective-c / cocoa-touch libraries for this though, so am assuming I will have to roll my own. (Saw the seadragon ajax component, which is pretty slick, but I'm dealing with collections here, which it doesn't support. I would also like to roll this as a native app just to get the experience). The only open source project I found for displaying/manipulating the tiled image sets was Openzoom -a flash component. I'm not to familiar with actionscript either (python, java, c#, and c are the only languages I have really used), but briefly inspecting the code I didn't really have any issues with it and can probably use it for hints on how to swap the tiles in and out, etc.. But, as I'm pretty new to obj-c/cocoa-touch, some pointers in the right direction would be appreciated. 1) Are there any other projects out there I am missing, or is openzoom my best bet for some reference? 2) Should I be trying to do this display in the UIKit framework, or should I do it as an OpenGL display? 3) Any other suggestions/pointers that I didn't think to ask.

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• radio buttons and cookie settings

  - by Cola

  I don't know nothing about cookies and how to set them and i need some advice. I have this 2 radio buttons. For example if an option is changed from one to another, that option will remain even if the page is refreshed or changed on other pages where this radio buttons exist , and i need to make the cookie setting for this code. Can someone can give me an advice what code should i add to my php? thanks This is js code: $(document).ready(function() { $('radio[name=radio]').each(function() { $(this).click(function() { my_function(); }); }); }); my_function() { var value_checked = $("input[name='radio']:checked").val(); $.ajax({ type: 'POST', url: 'page.php', data: {'value_checked':value_checked}, }); } html code <form> <div id="radio"> <input type="radio" id="radio1" name="radio" checked="checked" /><label for="radio1">Choice 1</label> <input type="radio" id="radio2" name="radio" /><label for="radio2">Choice 2</label> </div> </form>

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• here is my code in Jquery and Asp.net Unable to get a correct ANS as I am getting from jquery?

  - by ricky roy

  unable to get the correct Ans as i am getting from the Jquery I am using jquery.countdown.js here is my code [WebMethod] public static String GetTime() { DateTime dt = new DateTime(); dt = Convert.ToDateTime("April 9, 2010 22:38:10"); return dt.ToString("dddd, dd MMMM yyyy HH:mm:ss"); } html file <script type="text/javascript" src="Scripts/jquery-1.3.2.js"></script> <script type="text/javascript" src="Scripts/jquery.countdown.js"></script> <script type="text/javascript"> $(function() { var shortly = new Date('April 9, 2010 22:38:10'); var newTime = new Date('April 9, 2010 22:38:10'); //for loop divid /// $('#defaultCountdown').countdown({ until: shortly, onExpiry: liftOff, onTick: watchCountdown, serverSync: serverTime }); $('#div1').countdown({ until: newTime }); }); function serverTime() { var time = null; $.ajax({ type: "POST", //Page Name (in which the method should be called) and method name url: "Default.aspx/GetTime", // If you want to pass parameter or data to server side function you can try line contentType: "application/json; charset=utf-8", dataType: "json", data: "{}", async: false, //else If you don't want to pass any value to server side function leave the data to blank line below //data: "{}", success: function(msg) { //Got the response from server and render to the client time = new Date(msg.d); alert(time); }, error: function(msg) { time = new Date(); alert('1'); } }); return time; } function watchCountdown() { } function liftOff() { } </script>

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• jquery val() not working

  - by Vina

  jQuery val() didnt working, this is the simple script: $("#com_form").submit(function() { var name = $("#nama").val(); var komentar = $("#komentar").val(); alert.("Hi, "+name+" this is your comment: "+komentar) }); });*/ this is the HTML form: <form method="post" name="com_form" id="com_form"> <p>What is your name:<br> <input type="text" name="nama" id="nama"> </p> <p>Leave your comment here:<br> <input type="text" name="komentar" id="komentar"> </p> <p> <input type="submit" name="button2" id="button2" value="Submit"> </p> </form> actually, I was tried to create ajax post, the value "nama" is submited but not "komentar". So I tried to debug using alert (like one above) and still "komentar" is not change. What should I do?

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• Populate table with JQuery

  - by Talkar

  I need to populate some data into a table. The data i have is something i get in response from my ASP.NET MVC site, when i make a json post call there. Yet i can't seem to find a way to actually display the data i get back in response. Here is my code so far. Any help would be much appreciated: $(document).ready(function () { var uName = '<%= Session["UserName"].ToString()%>'; var pWord = '<%= Session["Password"].ToString()%>'; var data = { UserName:uName,Password:pWord}; $.ajax( { type: 'POST', url: "http://someurl.goes.here/", crossDomain: true, data: data, dataType: 'jsonp', success: function(myData) { $.each(myData, function (index, element) { $("#ClassTable").append('<tr><td> ' + element[0] + ' </td> <td> ' + element[1] + '</td></tr>'); }) } }); }); myData looks like this: [Object { IsActive = True, ObjectId=1, ObjectString="someString", etc... etc... } ]

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• How to host WCF service and TCP server on same socket?

  - by Ole Jak

  Tooday I use ServiceHost for self hosting WCF cervices. I want to host near to my WCF services my own TCP programm for direct sockets operations (like lien to some sort of broadcasting TCP stream) I need control over namespaces (so I would be able to let my clients to send TCP streams directly into my service using some nice URLs like example.com:port/myserver/stream?id=1 or example.com:port/myserver/stream?id=anything and so that I will not be bothered with Idea of 1 client for 1 socket at one time moment, I realy want to keep my WCF services on the same port as my own server or what it is so to be able to call www.example.com:port/myWCF/stream?id=222...) Can any body please help me with this? I am using just WCF now. And I do not enjoy how it works. That is one of many resons why I want to start migration to clear TCP=) I can not use net-tcp binding or any sort of other cool WS-* binding (tooday I use the simpliest one so that my clients like Flash, AJAX, etc connect to me with ease). I needed Fast and easy in implemrnting connection protocol like one I created fore use with Sockets for real time hi ammount of data transfering. So.. Any Ideas? Please - I need help.

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• UIWebView: webViewDidStartLoad/webViewDidFinishLoad delegate methods not called when loading certain URLs

  - by Dia

  I have basic web browser implemented using a UIWebView. I've noticed that for some pages, none of the UIWebViewDelegate methods are called. An example page in which this happens is: http://www.youtube.com/user/google. Here are the steps to reproduce the issue (make sure you insert NSLog calls in your controller's UIWebViewDelegate methods): Load the above youtube URL into the UIWebView [notice that here, the UIWebViewDelegate methods do get called when the page loads] Touch the "Uploads" category on the page Touch any video in that category [issue: notice that a new page is loaded, but none of the UIWebView delegates are called] I know that this is not an issue of UIWebView's delegate not being set properly, since the delegate methods do get invoked when loading other links (e.g. if you try clicking on a link that takes you outside of youtube, you'll notice the delegate methods getting called). My gut feeling initially was that it might be because the page is loaded using AJAX, which may not invoke the delegate method. But then when I checked Safari, it did not exhibit this problem, so it must be something on my side. I've also noticed that Three20's TTWebController has the exact same issue as I'm having. But the problem that arises from this issue is that without the delegate methods called, I'm unable to update the UI to enable/disable the back and forward browsing buttons when new requests are loaded. And idea why this is happening or how can I work around it to update the UI when a new request is made?

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