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  • Starting out Silverlight 4 design

    - by Fermin
    I come from mainly a web development background (ASP.NET, ASP.NET MVC, XHTML, CSS etc) but have been tasked with creating/designing a Silverlight application. The application is utilising Bing Maps control for Silverlight, this will be contained in a user control and will be the 'main' screen in the system. There will be numerous other user controls on the form that will be used to choose/filter/sort/order the data on the map. I think of it like Visual Studio: the Bing Maps will be like the code editor window and the other controls will be like Solutions Explorer, Find Results etc. (although a lot less of them!) I have read up and I'm comfortable with the data side (RIA-Services) of the application. I've (kinda) got my head around databinding and using a view model to present data and keep the code behind file lite. What I do need some help on is UI design/navigation framework, specifically 2 aspects: How do I best implement a fluid design so that the various user controls which filter the map data can be resized/pinned/unpinned (for example, like the Solution Explorer in VS)? I made a test using a Grid with a GridSplitter control, is this the best way? Would it be best to create a Grid/Gridsplitter with Navigation Frames inside the grid to load the content? Since I have multiple user controls that basically use the same set of data, should I set the dataContext at the highest possible level (e.g. if using a grid with multiple frames, at the Grid level?). Any help, tips, links etc. will be very much appreciated!

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  • Conflict between Jquery Validate and Asp.net MVC

    - by chobo2
    Hi I am using asp.net mvc 2.0 and jquery validate 1.7 (http://bassistance.de/jquery-plugins/jquery-plugin-validation/) What happens is this. A user can click on a link to edit a product. When a user clicks on which product they want to edit a jquery dialog box appears with a form of textboxes and dropdown lists. These html controls have information filled in them. Say if the user chooses to edit the Ipad product a dialog will appear and one of the form textboxes will have "Ipad" in it. Now this form gets rendered on the server side(the form is in a partial view). When loading the dialog box a ajax request is made to get that partial view and in the response part of the ajax call I do something like $('#EditDialog).html(ajaxresponse).dialog({...}); So I would have something like this rendered in my dialog box <form id="EditProduct"> Product Name: <input type="text" value="IPad" name="ProductName" /> </form> Now my jquery validate would be something like this. $("#EditProduct").validate( { errorContainer: "#Errorbox", errorLabelContainer: "#Errorbox ul", wrapper: "li", rules: { ProductName: "required" } }); So I know this works because I use the same validate for add product and if you try to leave ProductName blank it will show a validation error. Now it does not work with the edit one though and I think I know the reason why but not how to fix it. The value for the textbox is "IPad" this is how the Html.TextBoxFor() renders it. However if a user goes and changes the product name to "Iphone" or blank the value never changes. It is always "Ipad" in the html. So I think when the validate goes and looks it goes oh there is a value already in it. It is valid even though in reality it might be blank. When I post to the server through ajax it gets the right value and the server side validation stops it but my entire clientside validation is rendered useless because of this problem as it will never change the html.

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  • LaTeX limitation?

    - by Jayen
    Hi, I've hit an annoying problem in LaTeX. I've got a tex file of about 1000 lines. I've already got a few figures, but when I try to add another figure, It barfs with: ! Undefined control sequence. <argument> ... \sf@size \z@ \selectfont \@currbox l.937 \begin{figure}[t] If I move the figure to other parts of the file, I can get similar errors on different lines: ! Undefined control sequence. <argument> ... \sf@size \z@ \selectfont \@currbox l.657 \paragraph {A Centering Algorithm} If I comment out the figure, all is ok. %\begin{figure}[t] % \caption{Example decision tree, from Reiter and Dale [2000]} % \label{fig:relation-decision-tree} % \centering % \includegraphics[keepaspectratio=true]{./relation-decision-tree.eps} %\end{figure} If I keep just the begin and end like: \begin{figure}%[t] % \caption{Example decision tree, from Reiter and Dale [2000]} % \label{fig:relation-decision-tree} % \centering % \includegraphics[keepaspectratio=true]{./relation-decision-tree.eps} \end{figure} I get: ! Undefined control sequence. <argument> ... \sf@size \z@ \selectfont \@currbox l.942 \end {figure} At first, I thought maybe LaTeX has hit some limit, and I tried playing with the ulimits, but that didn't help. Any ideas? i've got other figures with graphics already. my preamble looks like: \documentclass[acmcsur,acmnow]{acmtrans2n} \usepackage{array} \usepackage{lastpage} \usepackage{pict2e} \usepackage{amsmath} \usepackage{varioref} \usepackage{epsfig} \usepackage{graphics} \usepackage{qtree} \usepackage{rotating} \usepackage{tree-dvips} \usepackage{mdwlist} \makecompactlist{quote*}{quote} \usepackage{verbatim} \usepackage{ulem}

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  • How to use RadSpell within a Telerik MVC Grid editor popup?

    - by Brian David Berman
    Is it possible to use RadSpell within a Telerik MVC Grid editor popup? I have followed some of the examples online to use RadSpell with ASP.NET MVC (http://www.telerik.com/help/aspnet-ajax/mvc-using-spellchecker.html and http://www.telerik.com/help/aspnet-ajax/spell-client-side-api.html) and I am able to attach multiple text controls to check but the display gets messed up when using Telerik MVC Grid editor popups since it's already in a modal. Sometimes it will randomly pick another div on the page and treats it like it's the main window (it will gray out just a portion of the page and I'll see the RadSpell popup peeking through but it's unusable). It seems like it chooses different places in the DOM to inject the iframe/radwindow for RadSpell as well. Any ideas? I didn't include any code because my implementation is a mess and I'd prefer to start with something simpler, from scratch.

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  • google book api

    - by ohana
    hi, i need to add google's book preview button in my web app. I tried Google Book Search APIs, and used their dynamic links, and added the following in my jquery code: var cburl = "http://books.google.com/books"; var api_url = cburl + "?jscmd=viewapi&bibkeys=" + "0321525566"; document.write(unescape("%3Cscript src=" + api_url + " type='text/javascript'%3E%3C/script%3E")); from firebug, i can see google responsed: var _GBSBookInfo = {"0321525566":{"bib_key":"0321525566","info_url":"http://books.google.com/books?id=VBRePgAACAAJ\u0026source=gbs_ViewAPI","preview_url":"http://books.google.com/books?id=VBRePgAACAAJ\u0026cd=1\u0026source=gbs_ViewAPI","thumbnail_url":"http://bks4.books.google.com/books?id=VBRePgAACAAJ\u0026printsec=frontcover\u0026img=1\u0026zoom=5\u0026sig=ACfU3U2i79GUit7BKFSvfvuZ1daX4EpZjg","preview":"noview","embeddable":false}}; however jquery complaint 'No _GBSBookInfo is defined'. then i tried jquery's ajax as blow instead of Document.write(): $.ajax({ url:api_url, success: function(_GBSBookInfo) { alert(_GBSBookInfo); alert('load was performed'); } }); still got the same complaint...anyone can help?

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  • Rails: periodically use HEAD to check for page changes

    - by Chris
    I have a Rails app implementing a game, so it's expected that a player will leave a browser open at the game page. When player Alan takes an action himself, I use AJAX requests to update the game page Alan is viewing to reflect the new state. However, when another player (Bob) takes an action, I don't have (or want) a mechanism to push the change to Alan's view. I would like Alan's page to periodically poll the Rails server to find if there have been any changes since last reload, and to reload the page (either via a whole-page GET or an AJAX call) if not. In order to play nicely with caches and proxies, I'd like to do this by issuing a periodic HTTP HEAD request, get Rails to work out the timestamp of the last change (trivially available from my DB) and respond with that in the Last-Modified header; then have the client-side act on that timestamp. How can I go about doing this?

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  • ASP.NET MVC Binding issue

    - by user295541
    Hi, I have an object with a property called "name". This object has a sub object that has a property called "name" as well. Transaction.name Transaction.TransactionItem TransactionItem.name I bind Transaction object to a partial control as usual: Html.TextBox("name", Model.name)% Model is a Transaction object. And I bind TransactionItems: < if (Model.mtTransactionItem != null) { foreach (var item in Model.mtTransactionItem) { % <%= Ajax.ActionLink(item.name, "ShowItem", new { id = item.id }, new AjaxOptions { UpdateTargetId = "dialog-form" })% And when I update the one of the transaction items through an ajax call I pass the entire transaction object to the partial view. When I debug I check the Model.name property, and it has a proper value. But on the page shows the name of TransactionItem value instead of the name of Transaction value. What do I do wrong? I have checked this problem in MVC 1.0 and MVC 2.0 framework.

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  • jquery json null when using localhost

    - by Eeyore
    I am trying to load json generated by my django app. It works when I save the json output and load it from a static file. However, when I make a call to a server it returns null. JSON {"users": [ { "id": 1, "name": "arnold" }, { "id": 2, "name": "frankie" } ]} Ajax call $.ajax({ url: "http://localhost:8000/json", //vs. json.js dataType: 'json', type: 'get', timeout: 20000, error: function() { alert("error"); }, beforeSend: function() { alert("beforeSend"); }, complete: function() { alert("complete"); }, success: function(data) { alert(data.users[0].name); } }); view.py return HttpResponse(simplejson.dumps(data), content_type = 'application/json; charset=utf8')

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  • asp.net mvc json 2 times post to the controller

    - by mazhar kaunain baig
    function onTestComplete(content) { var url = '<%= Url.Action("JsonTest","Organization") %>'; $.post(url, null, function(data) { alert(data["name"]); alert(data["ee"]); }); } <% using (Ajax.BeginForm("JsonTest", new AjaxOptions() { HttpMethod = "POST", OnComplete = "onTestComplete" })) { %> <%= Html.TextBox("name") %><br /> <input type="submit" /> <% } % controller:` [HttpPost] public ActionResult JsonTest() { var data = new { name = "TestName",ee="aaa" }; return Json(data); }` Due to some reason When I click on the button (My Break point is in the controller jsontest method) The jsontest is called twice(that's the real problem).I want to call it once as usual,using Ajax.BeginForm( "", new AjaxOptions { HttpMethod = "POST", OnComplete = "onTestComplete" })) I am able to call it once but it doesn't post the values to the controller.

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  • Run a PHP-script from a PHP-script without blocking

    - by Nicklas Ansman
    I'm building a spider which will traverse various sites and data mining them. Since I need to get each page separately this could take a VERY long time (maybe 100 pages). I've already set the set_time_limit to be 2 minutes per page but it seems like apache will kill the script after 5 minutes no matter. This isn't usually a problem since this will run from cron or something similar which does not have this time limit. However I would also like the admins to be able to start a fetch manually via a HTTP-interface. It is not important that apache is kept alive for the full duration, I'm, going to use AJAX to trigger a fetch and check back once in a while with AJAX. My problem is how to start the fetch from within a PHP-script without the fetch being terminated when the script calling it dies. Maybe I could use system('script.php &') but I'm not sure it will do the trick. Any other ideas?

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  • WPF animation/UI features performance and benchmarking

    - by Rich
    I'm working on a relatively small proof-of-concept for some line of business stuff with some fancy WPF UI work. Without even going too crazy, I'm already seeing some really poor performance when using a lot of the features that I thought were the main reason to consider WPF for UI building in the first place. I asked a question on here about why my animation was being stalled the first time it was run, and at the end what I found was that a very simple UserControl was taking almost half a second just to build its visual tree. I was able to get a work around to the symptom, but the fact that it takes that long to initialize a simple control really bothers me. Now, I'm testing my animation with and without the DropShadowEffect, and the result is night and day. A subtle drop shadow makes my control look so much nicer, but it completely ruins the smoothness of the animation. Let me not even start with the font rendering either. The calculation of my animations when the control has a bunch of gradient brushes and a drop shadow make the text blurry for about a full second and then slowly come into focus. So, I guess my question is if there are known studies, blog posts, or articles detailing which features are a hazard in the current version of WPF for business critical applications. Are things like Effects (ie. DropShadowEffect), gradient brushes, key frame animations, etc going to have too much of a negative effect on render quality (or maybe the combinations of these things)? Is the final version of WPF 4.0 going to correct some of these issues? I've read that VS2010 beta has some of these same issues and that they are supposed to be resolved by final release. Is that because of improvements to WPF itself or because half of the application will be rebuilt with the previous technology?

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  • WPF RibbonTextBox Width problem

    - by morsanu
    Hey guys, It seems to me that the Ribbon control has a problem with textboxes. I was expecting a common TextBox control behaviour: a fixed width and a visible caret when the text exceeds the width. But the RibbonTextBox control changes its width and when the text exceeds the right limit, the overflow is not visible. I found a hack on a blog that does something like this: var img = SearchButton.Template.FindName("image", SearchButton); if (img != null && img is Image) (img as Image).Visibility = Visibility.Collapsed; var lbl = FindTemplateControl<Label>(SearchText); var border = SearchText.Template.FindName("Bd", SearchText); if (border != null && border is Border && img != null && lbl != null) { (border as Border).Width = SearchText.ActualWidth - (((Image)img).ActualWidth + lbl.ActualWidth); } but I reallly don't want to do such a workaround. Is there any other simpler way to achieve simple TextBox behaviour?

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  • How to “unbind” .result on Jquery Autocomplete?

    - by Cesar
    I have this code: $("#xyz").unautocomplete().autocomplete(dataVar, { minChars: 0, width: 400, matchContains: true, highlightItem: true, formatItem: formatItem, formatResult: formatResult }) .result(findValueCallback).next().click(function() { $(this).prev().search(); }); I call this code many times and the first call works correctly, but after he calls findValueCallback many times, not once more. The unautocomplete don't clear .result What I have to do for call findValueCallback once? Sample Code: var niveis01 = []; var niveis02 = []; var niveis03 = []; $(document).ready(function(){ carregaDadosNivel1(); }); function carregaDadosNivel1() { $.ajax({ url: "http://.....", cache: true, type: "POST", dataType:"json", success: function(data){ ... niveis01 = data; habilitaComboNivel1(); ... }, error: function(xhr, ajaxOptions, thrownError){ ... } }); } function habilitaComboNivel1() { function findValueCallback1(event, data01, formatted) { ... carregaDadosNivel2(); ... } $("#nivel01").unautocomplete().autocomplete(niveis01, { minChars: 0, width: 400, matchContains: true, highlightItem: true, formatItem: formatItem, formatResult: formatResult }).result(findValueCallback1).next().click(function() { $(this).prev().search(); }); } function carregaDadosNivel2() { $.ajax({ url: "http://.....", cache: true, type: "POST", dataType:"json", success: function(data){ ... niveis02 = data; habilitaComboNivel2(); ... }, error: function(xhr, ajaxOptions, thrownError){ ... } }); } function habilitaComboNivel2() { function findValueCallback2(event, data02, formatted) { ... carregaDadosNivel3(); ... } $("#nivel02").unautocomplete().autocomplete(niveis02, { minChars: 0, width: 400, matchContains: true, highlightItem: true, formatItem: formatItem, formatResult: formatResult }).result(findValueCallback2).next().click(function() { $(this).prev().search(); }); } function carregaDadosNivel3() { $.ajax({ url: ""http://.....", cache: true, type: "POST", dataType:"json", success: function(data){ ... niveis03 = data; habilitaComboNivel3(); ... }, error: function(xhr, ajaxOptions, thrownError){ ... } }); } function habilitaComboNivel3() { function findValueCallback3(event, data03, formatted) { ... } $("#nivel03").unautocomplete().autocomplete(niveis03, { minChars: 0, width: 400, matchContains: true, highlightItem: true, formatItem: formatItem, formatResult: formatResult }).result(findValueCallback3).next().click(function() { $(this).prev().search(); }); }

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  • How do I best display CheckBoxes in SQL Server Reporting Services?

    - by Yadyn
    One of the many quirks of Reporting Services we've run across is the complete and utter lack of a CheckBox control or even something remotely similar. We have a form that should appear automatically filled out based on information pulled from a database. We have several bit datatype fields. Printing out "True" or "False" just looks silly, as this is supposed to look like a form that has been auto-filled out, so we want to have a series of checkboxes and labels that are either checked or unchecked. We are running SSRS 2005 but I'm not aware of SSRS 2008 having added a CheckBox control. Even if it did, we'd need to have an alternative for the time being. The best we've found so far is: use Wingdings use images use text boxes with borders and print a blank/space or a capital X All three approaches require IIF expression shenanigans. The Wingdings approach seemed to work acceptably, and was the most aesthetically pleasing except that for whatever reason it didn't always print correctly. More importantly, PDF exports, also for whatever reason, converted all fonts (generally) to Arial and so we got funky letters instead of the Windings dingbats. Images, being a pixel-based raster, don't do so well when printed along side vector stuff like text. Unless handled carefully, they tend to stretch, pixelate, and do other unprofessional looking things. While these methods do work (some with limitations as mentioned above) none of them are particularly elegant. Are we missing something obvious? Not so obvious? Does someone at Microsoft have a good reason why such a control was not provided in SSRS 2000, let alone 2 versions and 8 years later? This can't be the first time this issue has come up...

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  • WCF service - HTTP500

    - by ilkin
    Hi guys, I need help with wcf service. i have a ajax-enabled wcf service: public class AddFavorites : Page { // Add [WebGet] attribute to use HTTP GET [WebGet(RequestFormat = WebMessageFormat.Json)] [OperationContract] public void AddFavorite() { this.AddMyFavorite(10, "sometext", "sometext"); } } And clientside looks like this: function AddFavorite() { $.ajax({ type: "GET", url: "/WebServices/AddFavorites.svc/AddFavorite", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", cache: false }); }; Im using fiddler to trace the application and i always get HTTP500. The class is inherited from Page class and uses the AddMyFavorite method that takes care of database. Website is hosted on iis7

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  • Printing from web pages (reports especially) with greater precision.

    - by Kabeer
    Hello. I am re-engineering a windows application to be ported to web. One area that has been worrying is 'printing'. The application is data intensive and complex reports need to be generated. The erstwhile windows application takes advantage of printer APIs and extends sophisticated control to the users. It supports functions like page break, avoiding printing on printed parts of the sheet (like letterhead), choice of layouts and orientation, etc. Please note that these setting are not done only while printing, they are part of report definition sometimes. From what I know, we cannot have this kind of control while printing web pages. I am in a process of identifying options at my disposal. While I prefer to first look into something that will help me print from raw web pages, following are other thoughts: Since reports can also be exported to .xls & .pdf versions, let user download one and print directly. This however limits my solution to the area of application that have export feature. Use Silverlight (4.0) for report layout definition and print. I think Silverlight 4.0 (in beta right now) provides adequate control over the printer. I have so far been avoiding the need of any RIA plugin. Meticulously generate reports on web with fixed dimensions. I am not sure how far this will go. Please share practices that can be applied easily in my scenario.

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  • Custom CheckBoxList in ASP.NET

    - by Rick
    Since ASP.NET's CheckBoxList control does not allow itself to be validated with one of the standard validation controls (i.e., RequiredFieldValidator), I would like to create a UserControl that I can use in my project whenever I need a checkbox list that requires one or more boxes to be checked. The standard CheckBoxList can be dragged onto a page, and then you can manually add <asp:ListItem> controls if you want. Is there any way I can create a UserControl that lets me manually (in the markup, not programmatically) insert ListItems from my page in a similar manner? In other words, can I insert a UserControl onto a page, and then from the Designer view of the Page (i.e., not the designer view of the UserControl), can I manually add my ListItems like so: <uc1:RequiredCheckBoxList> <asp:ListItem Text="A" value="B"></asp:ListItem> <asp:ListItem Text="X" value="Y"></asp:ListItem> </uc1:RequiredCheckBoxList> If a UserControl is not the appropriate choice for the end result I'm looking for, I'm open to other suggestions. Please note that I am aware of the CustomValidator control (which is how I plan to validate within my UserControl). It's just a pain to write the same basic code each time I need one of these required checkbox lists, which is why I want to create a re-usable control.

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  • Ideal Multi-Developer Lamp Stack?

    - by devians
    I would like to build an 'ideal' lamp development stack. Dual Server (Virtualised, ESX) Apache / PHP on one, Databases (MySQL, PgSQL, etc) on the other. User (Developer) Manageable mini environments, or instance. Each developer instance shares the top level config (available modules and default config etc) A developer should have control over their apache and php version for each project. A developer might be able to change minor settings, ie magicquotes on for legacy code. Each project would determine its database provider in its code The idea is that it is one administrate-able server that I can control, and provide globally configured things like APC, Memcached, XDebug etc. Then by moving into subsets for each project, i can allow my users to quickly control their environments for various projects. Essentially I'm proposing the typical system of a developer running their own stack on their own machine, but centralised. In this way I'd hope to avoid problems like Cross OS code problems, database inconsistencies, slightly different installs producing bugs etc. I'm happy to manage this in custom builds from source, but if at all possible it would be great to have a large portion of it managed with some sort of package management. We typically use CentOS, so yum? Has anyone ever built anything like this before? Is there something turnkey that is similar to what I have described? Are there any useful guides I should be reading in order to build something like this?

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  • Error calling webservice using JSONP + jquery with IE on remote domain

    - by Jay Heavner
    I have a .Net webservice on my app server that returns data formatted as JSONP. I have an HTML test client on that server which works fine using IE, Firefox, & Chrome. If I copy the same HTML to my workstation or deploy to my webserver it works with Firefox & Chrome but in IE I'm getting two javascript errors. Message: Object doesn't support this property or method Line: 1 Char: 1 Code: 0 URI: http://mydomain/WebServices/LyrisProxy/Services/Lyris/JSONP/Lyris.asmx/AddUser?lyrisInstance="1"&email="[email protected]"&fullName="My Name"&lyrisList="listname"&format=json&callback=jsonp1274109819864&_=1274109829665 Message: Member not found. Line: 59 Char: 209 Code: 0 URI: http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js I'm kind of at loss as to what to do to fix this.

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  • Cannot use 'javascript' because another language has been specified earlier in this page (or was implied from a CodeFile attribute).

    - by klm9971
    Hello: I have a website in which I am including a javascript file from this link: Code Snippet Page I am getting this error: Microsoft JScript runtime error: Object expected Here is my code: <%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ATP_Assignment.Default" %> <asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server"> </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="topArea" runat="server"> <div> <div id="matchUp" class="floatLeft"> <div class="tabTop"> <div class="tabTL"></div> <div class="tabTM"> <font class="title">Player Matchup History</font> </div> <div class="tabTR"></div> </div> <div class="tabMiddle"> <asp:DropDownList ID="ddlPlayer1" runat="server" Height="16px" Width="146px" DataTextField="Name" DataValueField="Id"> </asp:DropDownList> &nbsp;&nbsp;VS&nbsp;&nbsp; <asp:DropDownList ID="ddlPlayer2" runat="server" Height="16px" Width="150px" DataTextField="Name" DataValueField="ID"> </asp:DropDownList> <asp:Button ID="Button1" runat="server" Text="Click" onclick="Button1_Click" /> <br /> Player1: <asp:Label ID="lblPlayer1Score" Value="" runat="server"></asp:Label>&nbsp;&nbsp; Player2: <asp:Label ID="lblPlayer2Score" Value="" runat="server"></asp:Label> </div> <div class="tabBottom"> <div class="tabBL"></div> <div class="tabBM"></div> <div class="tabBR"></div> </div> </div> <div id="favList" class="floatLeft"> <div class="tabTop2"> <div class="tabTL"></div> <div class="tabTM2"> <font class="title">Favorite Player List</font> </div> <div class="tabTR"></div> </div> <div class="tabMiddle2"> Enter Fav JQuery Here!!! </div> <div class="tabBottom2"> <div class="tabBL"></div> <div class="tabBM2"></div> <div class="tabBR"></div> </div> </div> <div class="clearFix">&nbsp;</div> </div> </asp:Content> <asp:Content ID="Content3" ContentPlaceHolderID="contentArea" runat="server"> <div class="padding"> <div> <div id="playerList" class="floatLeft"> <font class="title">Player List</font> <br /> <asp:DataList ID="PlayerList" runat="server"> <ItemTemplate> Name: <asp:Label ID="lblFirstName" runat="server" Text='<%# Eval("FirstName") %>' /> &nbsp; <asp:Label ID="lblLastName" runat="server" Text='<%# Eval("LastName") %>' /> <br /> Rank: <asp:Label ID="lblRank" runat="server" Text='<%# Eval("Rank") %>' /> <br /> Country: <asp:Label ID="lblCountry" runat="server" Text='<%# Eval("Country") %>' /> <br /> <br /> </ItemTemplate> </asp:DataList> </div> <div class="smallPadding">&nbsp;</div> <div id="video"> </div> <div class="clearFix">&nbsp;</div> </div> <div id="tweet"> <font class="title">Recent Tweets</font> <br /> <script type="text/javascript"> alert($ && $.fn ? $.fn.jquery : "jQuery not defined") $(function () { $("#favorites").tweet({ avatar_size: 32, count: 3, username: "atpworldtour", favorites: true, loading_text: "loading list..." }); }); </script> </div> </div> </asp:Content> Where should I put this code: <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>

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  • MVC 2 AntiForgeryToken - Why symmetric encryption + IPrinciple?

    - by Brad R
    We recently updated our solution to MVC 2, and this has updated the way that the AntiForgeryToken works. Unfortunately this does not fit with our AJAX framework any more. The problem is that MVC 2 now uses symmetric encryption to encode some properties about the user, including the user's Name property (from IPrincipal). We are able to securely register a new user using AJAX, after which subsequent AJAX calls will be invalid as the anti forgery token will change when the user has been granted a new principal. There are also other cases when this may happen, such as a user updating their name etc. My main question is why does MVC 2 even bother using symmetric encryption? Any then why does it care about the user name property on the principal? If my understanding is correct then any random shared secret will do. The basic principle is that the user will be sent a cookie with some specific data (HttpOnly!). This cookie is then required to match a form variable sent back with each request that may have side effects (POST's usually). Since this is only meant to protect from cross site attacks it is easy to craft up a response that would easily pass the test, but only if you had full access to the cookie. Since a cross site attacker is not going to have access to your user cookies you are protected. By using symmetric encryption, what is the advantage in checking the contents of the cookie? That is, if I already have sent an HttpOnly cookie the attacker cannot override it (unless a browser has a major security issue), so why do I then need to check it again? After having a think about it it appears to be one of those 'added layer of security' cases - but if your first line of defence has fallen (HttpOnly) then the attacker is going to get past the second layer anyway as they have full access to the users cookie collection, and could just impersonate them directly, instead of using an indirect XSS/CSRF attack. Of course I could be missing a major issue, but I haven't found it yet. If there are some obvious or subtle issues at play here then I would like to be aware of them.

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  • CoffeeScript Class Properties Within Nested Anonymous Functions

    - by Aric
    I'm just taking a look at CoffeeScript for the first time so bare with me if this is a dumb question. I'm familiar with the hidden pattern methodology however I'm still wrapping my head around object prototypes. I'm trying to create a basic class for controlling a section on my site. The problem I'm running into is losing defined class variables within a different scope. For example, the code below works fine and creates the properties within the object perfectly. However when I jump into a jQuery callback I lose all knowledge of the class variables storing some of the jQuery objects for multiple uses. Is there a way to grab them from within the callback function? class Session initBinds: -> @loginForm.bind 'ajax:success', (data, status, xhr) -> console.log("processed") return @loginForm.bind 'ajax:before', (xhr, settings) -> console.log @loader // need access to Session.loader return return init: -> @loginForm = $("form#login-form") @loader = $("img#login-loader") this.initBinds() return

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  • HTML element not accessible with jQuery

    - by Kris-I
    Hello, I have a via with some jQuery function to get value from HTML element (to access element available and element not yet available). On of these element is a dropdown, when I select a value an another vue is added in the bottom of the page in a div. When I try to access an element added by this view, I received "undefined". What can I do ? In the div #ProductDetail, I add element. and it's these elements I can't access. $.ajax({ type: "POST", url: "/Product/Edition", data: { id: getId() }, success: function(data) { $("#divDisplayDialogProduct").html(data); $('#ProductType').change(function() { $.ajax({ type: "POST", url: "/Product/ShowDetail", data: { id: $('#ProductType').val() }, success: function(data) { $("#ProductDetail").html(data); }, error: function(XMLHttpRequest, textStatus, errorThrown) { } }) }); }, error: function(XMLHttpRequest, textStatus, errorThrown) { } })

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  • Get jQuery post redirect response

    - by Wickethewok
    I've written some HTML/Javascript that sits on a third-party server for security reasons. This page performs a javascript post to another page on the same site. However, instead of responding with useful data, it instead wants to perform a redirect (if you would post via a normal HTML form to this page, it would redirect your browser). How can I process this process? I basically want to be able to extract the url's query parameters that it is trying to redirect with (and then put this link into a hidden form field). Here is my basic ajax post... $.ajax({ url: '/someurl/idontcontrol', data: serialized_form_data, async: false, type: 'POST', success: function(data, textStatus) { $('#redirect_link').val(WHAT_DO_I_PUT_HERE); } }); Note that the URL I am posting to is not one that I control, so I have no power over what it returns. Thanks!

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