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  • WPF, databinding

    - by fsl
    Hi there In a given binding is it possible to specify the path on the source object? Seems like this could a void a lot of trivial converters.. Imagine this..: class foo { bool A int B } <ComboBox ItemsSource="ListOfFoos" SelectedItem="{Binding number, SourcePath=B}" />

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  • referencing desired objects in namespaced functions

    - by RyOnLife
    I'm having trouble referencing the desired object when I've namespaced functions. No problems here: obj.test = function() { // this == obj } But I'm getting tripped up when I namespace: obj.namespace.test = function() { // this == namespace } In the latter example, I know this references namespace, but I want to reference obj. How can I do it?

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  • How to Block images (img tags) from an iFrame?

    - by ramayac
    Hello, Im searching for ideas to solve the following problem: I'm loading an URL (any for that matter) into an iFrame, and then block (server side) all image tags, o object tags before sending the page to the client. -- What I was thinking to do is: fetching the URL, and then manipulating the fetched content using a Java library (any recomendation on that matter?). And after that, send the modify content to que client. Would that be the best approach to solve this problem? suggestions are wellcome :)

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  • Symfony: trying to retrieve a variable saved using sfContext::getInstance()

    - by user248959
    Hi, i have these methods in module1/actions/actions.class.php: public function executeMethod1(sfWebRequest $request){ $a = 10; sfContext::getInstance()->set('a', $a); return $this->redirect('module1/method2'); } public function executeMethod2(sfWebRequest $request){ echo sfContext::getInstance()->get('a'); } When i execute module1/method1 i get this error: "The "a" object does not exist in the current context." Any idea? Javi

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  • FsUnit `should equal` fails on `Some []`

    - by SHiNKiROU
    When I run this FsUnit test with NUnit 2.6.3, let f xs = Some (List.map ((+) 2) xs) [<Test>] let test() = f [] |> should equal (Some []) I get: Result Message: Expected: <Some([])> But was: <Some([])> Result StackTrace: at FsUnit.TopLevelOperators.should[a,a](FSharpFunc`2 f, a x, Object y) The test fails even though the Expected and Actual in the message are the same. What happened?

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  • How to track how many times an iPhone app is opened?

    - by Jason
    I am building an iphone app and would like to keep track of how many times it has been opened so that I can prompt the user to do certain actions after it has been opened X number of times. I have thought about storing a variable in Core Data which I update every time it is opened, but this seems like a waste since it is a singleton data, not multiple instances of an object. What is the best way to store data like this and access it without slowing down the app opening time?

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  • Gridview paging and sorting do not work after changing datasource in codebehind??

    - by mkafkas
    I am having a gridview with an object datasource binded in the markup(aspx page). When page loads it directly works fine with all sorting and paging properties. However, i need to filter display on gridview so i have to change the datasource of the gridview on the code behind. It works fine.. i mean the filtering and displaying is good but paging and sorting doesnt work. Did you have a problem something like this?

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  • getting a slide of 'data' returned by $.ajax

    - by Thau
    With $.ajax i'm getting a page dinamicly generated via PHP code, in the HTML returned I need only one object ('lwrapper' in my code). How can I grabber 'lwrapper' from 'data' returned. this is my code $.ajax({ url: ref, //the url cache: false, success: function(data){ //code to get the slide of data //slide = $("lwrapper",data) //not working $('wrapper').html(slide); } });

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  • [C#] NodeMouseClick event doesn't work correctly ???

    - by Wayne
    i use a treeview to display files and folders like Windows Explorer. it has a NodeMouseClick event but sometimes when i click +, this event doesn't fire. private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { MessageBox.Show("node mouse click"); } can anyone explain for me why ? and how to know whenever i click + ? thanks in advance!

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  • Getting specific data from database

    - by ifsession
    I have a table called Categorie with a few columns and I'm trying to get only a few out of my database. So I've tried this: $sql = 'SELECT uppercat AS id, COUNT(uppercat) AS uppercat FROM categorie GROUP BY uppercat;'; $d = Yii::app()->db->createCommand($sql)->query(); But I find the output strange. I was trying to do an array_shift but I get an error that this isn't an array. When I do a var_dump on $d: object(CDbDataReader)[38] private '_statement' => object(PDOStatement)[37] public 'queryString' => string 'SELECT uppercat AS id, COUNT(uppercat) AS uppercat FROM categorie GROUP BY uppercat;' (length=100) private '_closed' => boolean false private '_row' => null private '_index' => int -1 private '_e' (CComponent) => null private '_m' (CComponent) => null Ok.. then I did a foreach on $d: array 'id' => string '0' (length=1) 'uppercat' => string '6' (length=1) array 'id' => string '3' (length=1) 'uppercat' => string '2' (length=1) array 'id' => string '6' (length=1) 'uppercat' => string '1' (length=1) array 'id' => string '7' (length=1) 'uppercat' => string '2' (length=1) array 'id' => string '9' (length=1) 'uppercat' => string '2' (length=1) Then why do I get the message that $d isn't an array while it contains arrays? Is there any other way on how to get some specific data out of my database and that I can then do an array_shift on them? I've also tried doing this with findAllBySql but then I can't reach my attribute for COUNT(uppercat) which is not in my model. I guess I'd have to add it to my model but I wouldn't like that because I need it just once.

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  • Do I have to start from beginning?

    - by Knowing me knowing you
    If I have: std::size_t bagCapacity_ = 10; std::size_t bagSize = 0; A** bag = new A*[bagCapacity_]; while (capacity--) { bag[capacity] = new A(bagSize++);//**here I'm loading this array from the end is it ok?** } And also can I delete those object from starting at the end of the array? while(capacity--) { delete bag[capacity]; } Question in a code.

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  • appendChild + createElement

    - by user317005
    what's the difference between var div = document.createElement('div');//output -> [object HTMLDivElement] document.getElementById('container').appendChild(div); and var div = '<div></div>'; document.getElementById('container').appendChild(div);//output -> <div></div> shouldn't both be the same? and if not, how do i get the 2nd version to work?

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  • Subclassing Cocoa means no subclass ivars in some cases?

    - by Michael
    The question is generally coming from self = [super init]. In case if I'm subclassing NSSomething and in my init's method self = [super init] returns object of different class, does it mean I am not able to have my very own ivars in my subclass, just because self will be pointing to different class? Appreciate if you could bring some examples if my statement is wrong.

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  • What are the scenarios in which case a new class will be loaded?

    - by GK
    That is when you have any jar file attached to you your class path. then as far as i know any class from the jar is loaded for the first time when, when you create any object of that type. or If you are accessing any static member or method of that class. or when you load that by using Class.forName() method. So are there any other ways of loading a class for the first time?

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  • What's the consequence when Core Data detects an optimistic locking failure when trying to save?

    - by dontWatchMyProfile
    I get it: When a managed object context saves, the snapshots of all edited objects are compared against the values in the persistent store to see if the PS has changed since the snapshot was made. If it did change, then there's a conflict and optimistic locking failed, according to Apple. But now, what's the consequence of this? What happens next? What are my options in this case?

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  • Error while debug (role redirection)

    - by Chris White
    What is wrong with my role redirection, protected void Login1_LoggedIn(object sender, EventArgs e) { { if (Roles.IsUserInRole(Login1.UserName, "Aemy")) Response.Redirect("~/Admin/Home.aspx"); else if (Roles.IsUserInRole(Login1.UserName, "User")) Response.Redirect("~/Welcome/User1.aspx"); } } Error : The name 'Roles' does not exist in the current context

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  • AS3 - Can I know if a class implements an interface (or is a subclass of another class) ?

    - by lk
    With this code function someFunction(classParam:Class):Boolean { // how to know if classParam implements some interface? } i.e. Comparing classParam with IEventDispatcher interface: someFunction(EventDispatcher) // returns true someFunction(Object) // returns false I know it can't be done with is operator. But, is there a way to do it? Is there a way to know if a class implements some interface? (or is a subclass of another class?)

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