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  • how to access a different movieclip within the flash in AS3

    - by Pieter888
    I've been trying to learn Action Script 3 the past few weeks, making tiny interactive games to learn the basics. I stumble upon a problem every now and then but most of the times google helps me out. But this problem has got me stuck so please help: The main stage contains two objects(movieclips), the player and a wall. The player has got his own code so when I drag in the player object I don't have to write any code into the main stage to be able to move the player. This all worked pretty well and I now wanted to add the wall so the player actually has something to bounce into. Now here is the problem, I want to check if the player touches the wall, I've done this before but that was when I used the main stage as my coding playground instead of putting the code in movieclips. How can I check if the player hits the wall within the movement code of the player object?

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  • Why do C# and Java require everything to be in a class?

    - by Javier Badia
    It seemed like this question should have been asked before, but searching found nothing. I've always wondered what's the point of making us put every bit of code inside a class or interface. I seem to remember that there were some advantages to requiring a main() function like C, but nothing for classes. Languages like Python are, in a way, even more object oriented than Java since they don't have primitives, but you can put code wherever you want. Is this some sort of "misinterpretation" of OOP? After all, you can write procedural code like you would in C and put it inside a class, but it won't be object oriented.

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  • Silverlight Windows Phone 7: Load Images From URL

    - by Lennie De Villiers
    Hi, I got the code below that is trying to load an image from the web into an Image control, when I run it I get an error on the given line that no network access is allowed: private void button1_Click(object sender, RoutedEventArgs e) { WebClient webClientImgDownloader = new WebClient(); webClientImgDownloader.OpenReadCompleted += new OpenReadCompletedEventHandler(webClientImgDownloader_OpenReadCompleted); webClientImgDownloader.OpenReadAsync(new Uri("http://dilbert.com/dyn/str_strip/000000000/00000000/0000000/000000/80000/5000/100/85108/85108.strip.print.gif", UriKind.Absolute)); } void webClientImgDownloader_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e) { BitmapImage bitmap = new BitmapImage(); bitmap.SetSource(e.Result); // ERROR HERE! image1.Source = bitmap; } Silverlight for Windows Phone 7

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  • Best way to get photoshop to optimise 35 related pictures for fast transmission

    - by thenerd
    I have 35 pictures taken from a stationary camera aimed at a lightbox in which an object is placed, rotated at 10 degrees in each picture. If I cycle through the pictures quickly, the image looks like it is rotating. If I wished to 'rotate' the object in a browser but wanted to transmit as little data as possible for this, I thought it might be a good idea to split the picture into 36 pictures, where 1 picture is any background the images have in common, and 35 pictures minus the background, just showing the things that have changed. Do you think this approach will work? Is there a better route? How would I achieve this in photoshop?

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  • Jquery mobile ajax request not working after 4-5 request is made in Android

    - by Coder_sLaY
    I am developing an application using jQuery mobile 1.1.0 RC1 and phonegap 1.5.0 I have a single HTML page which contains all the pages in it as a div(through data-role="page") here is my code <!DOCTYPE HTML> <html> <head> <title>Index Page</title> <!-- Adding viewport --> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- Adding Phonegap scripts --> <script type="text/javascript" charset="utf-8" src="cordova/cordova-1.5.0.js"></script> <!-- Adding jQuery mobile and jQuery scripts & CSS --> <script type="text/javascript" src="jquery/jquery-1.7.1.min.js"></script> <link rel="stylesheet" href="jquerymobile/jquery.mobile-1.1.0-rc.1.min.css" /> <script type="text/javascript" src="jquery/jquery.validate.min.js"></script> <script type="text/javascript" src="jquerymobile/jquery.mobile-1.1.0-rc.1.min.js"></script> <link rel="stylesheet" href="css/colors.css"> <script type="text/javascript"> function page1(){ $.mobile.changePage("#page2", { transition : "slide" }); } function page2(){ $.mobile.changePage("#page1", { transition : "slide" }); } $("#page1").live("pageshow", function(e) { $.ajax({ type : 'GET', cache : false, url : "http://192.168.1.198:9051/something.xml" + "?time=" + Date.now(), data : { key : "value" }, dataType : "xml", success : function(xml) { console.log("Success Page1"); }, error : function(xhr) { } }); }); $("#page2").live("pageshow", function(e) { $.ajax({ type : 'GET', cache : false, url : "http://192.168.1.198:9051/something.xml" + "?time=" + Date.now(), data : { key : "value" }, dataType : "xml", success : function(xml) { console.log("Success Page2"); }, error : function(xhr) { } }); }); </script> <body> <div data-role="page" id="page1"> <div data-role="header">Page 1</div> <div data-role="content"> <input type="text" name="page1GetTime" id="page1GetTime" value="" /><a href="#" data-role="button" onclick="page1()" id="gotopage2"> Go to Page 2 </a> </div> </div> <div data-role="page" id="page2"> <div data-role="header">Page 2</div> <div data-role="content"> <input type="text" name="page2GetTime" id="page2GetTime" value="" /><a href="#" data-role="button" onclick="page2()" id="gotopage1">Go to Page 1</a> </div> </div> </body> Now when i click to "Go to page2" then page2 will be shown along with one ajax request .. If i keep on moving from one page to another then a ajax request is made.. This request stops responding after 4 to 5 request... Why is it happening?

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  • Accessing Controls Values Before Finishing Page_Load

    - by userk
    Hi. I'm with a problem and want to know if someone can help me. I'm creating a table with some controls and I want to save all control values in every postback. As the controls are just defined after the page_load, I can't solve my problem this way: object o; protected void Page_Load(object sender, EventArgs e) { o = createObject(); Create_Table(); if (Page.IsPostBack) Save_Data(); } I thought I could execute Save_Data() at the begining of every postback event, but I think that should exist a better way to solve my problem. Thanks.

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  • Java generic function for performing calculations on integer, on double?

    - by Daniel
    Is this possible? Surely if you passed in a double, any sort of function implementation code which casts an object to an Integer would not be able to work unless the cast 'Integer' was specifically used? I have a function like: public static void increment(Object o){ Integer one = (Integer)o; system.out.println(one++); } I cant see how this could be made generic for a double? I tried public static <E> void increment(E obj){ E one = (E)o; system.out.println(one++); } but it didn't like it?

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  • Database Documentation with `SQL Doc 2`

    - by mehdi lotfi
    I use SQL Doc 2 for documentation my database. But this tools not support following expect : Add diagrams in documentation. Add Additional description for each object such as tables, columns and etc. Customize output format. Add custom link for each object. Add Analyze business description of created tables, columns and etc Some time need to explain records of each table such as records of literal tables. How Can support above request in SQL Doc 2? Do exists a tools for documentation database with above request?

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  • strange memory usage pattern on windows server 2008 on login through remote desktop..

    - by headsling
    I'm running Windows Server 2008 Datacenter Service Pack 2 on a VM Ware instance with 10Gb ram allocated. I'm not running IIS or SQL Server. Under 'normal' conditions, the machine uses ~5.5Gb of memory. However, when I login to the server through remote desktop, the memory usage slowly climbs up to 9.8Gb of memory in use. After several minutes the memory slowly creeps back down to the 5.5Gb mark. I've tried killing all the processes associated with my login, on login, barring the taskmanager without success, and I can't see any process that is growing in memory usage when the memory is increasing. I'm assuming this is some system level cache that is growing / shrinking... but why is it doing this?

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  • Choose between multiple options with defined probability

    - by Sijin
    I have a scenario where I need to show a different page to a user for the same url based on a probability distribution, so for e.g. for 3 pages the distribution might be page 1 - 30% of all users page 2 - 50% of all users page 3 - 20% of all users When deciding what page to load for a given user, what technique can I use to ensure that the overall distribution matches the above? I am thinking I need a way to choose an object at "random" from a set X { x1, x2....xn } except that instead of all objects being equally likely the probability of an object being selected is defined beforehand.

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  • how can I pass method Of one class to another class ?

    - by srikanth rongali
    I have a ClassA. in ClassA there is a method(-(void)parseData:). I have a ClassB which have ClassA object. And ClassB *aClassB is member variable of ClassA. In ClassB the code is aClassB = [[ClassB alloc]init]; [aClassB parseData]; I have ClassC. I need to use the method parseData of ClassB in ClassC. I think I can use the object created in ClassB of ClassA. How can I pass the method to ClassC ? Thank You.

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  • What's the best way to return something like a collection of `std::auto_ptr`s in C++03?

    - by Billy ONeal
    std::auto_ptr is not allowed to be stored in an STL container, such as std::vector. However, occasionally there are cases where I need to return a collection of polymorphic objects, and therefore I can't return a vector of objects (due to the slicing problem). I can use std::tr1::shared_ptr and stick those in the vector, but then I have to pay a high price of maintaining separate reference counts, and object that owns the actual memory (the container) no longer logically "owns" the objects because they can be copied out of it without regard to ownership. C++0x offers a perfect solution to this problem in the form of std::vector<std::unique_ptr<t>>, but I don't have access to C++0x. Some other notes: I don't have access to C++0x, but I do have TR1 available. I would like to avoid use of Boost (though it is available if there is no other option) I am aware of boost::ptr_container containers (i.e. boost::ptr_vector), but I would like to avoid this because it breaks the debugger (innards are stored in void *s which means it's difficult to view the object actually stored inside the container in the debugger)

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  • how to check if entity already exists in database before inserting in doctrine?

    - by fayer
    whenever i insert a entity that already exists in database (i have a unique constraint on email) i get an error message on the screen. so i want to check if it already exists, if not i insert it. at the moment it looks like this: $q = Doctrine_Query::create() ->from('User u') ->where('u.email = ?', $email); $object = $q->fetchOne(); if( ! is_object($object)) { $user = new User(); $user-email = $email; $user->save(); } i wonder, if there an easier way to do this? thanks

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  • Binding one dependency property to another

    - by Gregory Dodd
    I have a custom Tab Control that I have created, but I am having an issue. I have an Editable TextBox as part of the custom TabControl View. <Controls:EditableTextControl x:Name="PageTypeName" Style="{StaticResource ResourceKey={x:Type Controls:EditableTextControl}}" Grid.Row="0" TabIndex="0" Uid="0" AutomationProperties.AutomationId="PageTypeNameTextBox" AutomationProperties.Name="PageTypeName" Visibility="{Binding ElementName=PageTabControl,Path=ShowPageType}"> <Controls:EditableTextControl.ContextMenu> <ContextMenu x:Name="TabContextMenu"> <MenuItem Header="Rename Page Type" Command="{Binding Path=PlacementTarget.EnterEditMode, RelativeSource={RelativeSource AncestorType=ContextMenu}}" AutomationProperties.AutomationId="RenamePageTypeMenuItem" AutomationProperties.Name="RenamePageType"/> <MenuItem Header="Delete Page Type" Command="{Binding Path=PageTypeDeletedCommand}" AutomationProperties.AutomationId="DeletePageTypeMenuItem" AutomationProperties.Name="DeletePageType"/> </ContextMenu> </Controls:EditableTextControl.ContextMenu> <Controls:EditableTextControl.Content> <!--<Binding Path="CurrentPageTypeViewModel.Name" Mode="TwoWay"/>--> <Binding ElementName="PageTabControl" Path="CurrentPageTypeName" Mode ="TwoWay"/> </Controls:EditableTextControl.Content> </Controls:EditableTextControl> In the Content section I am binding to a Dependency Prop called CurrentPageTypeName. This Depedency prop is part of this custom Tab Control. public static DependencyProperty CurrentPageTypeNameProperty = DependencyProperty.Register("CurrentPageTypeName", typeof(object), typeof(TabControlView)); public object CurrentPageTypeName { get { return GetValue(CurrentPageTypeNameProperty) as object; } set { SetValue(CurrentPageTypeNameProperty, value); } } In another view, where I am using the custom TabControl I then bind my property, with the actual name value, to CurrentPageTypeName property as seen below: <Views:TabControlView Grid.Row="0" Name="RunPageTabControl" TabItemsSource="{Binding RunPageTypeViewModels}" SelectedTab="{Binding Converter={StaticResource debugConverter}}" CurrentPageTypeName="{Binding Path=RunPageName, Mode=TwoWay}" TabContentTemplateSelector="{StaticResource tabItemTemplateSelector}" SelectedIndex="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}, Path=DataContext.SelectedTabIndex}" ShowPageType="Hidden" > <!--<Views:TabControlView.TabContentTemplate> <DataTemplate DataType="{x:Type ViewModels:RunPageTypeViewModel}"> <RunViews:RunPageTypeView/> </DataTemplate> </Views:TabControlView.TabContentTemplate>--> </Views:TabControlView> My problem is that nothing seems to be happening. It is grabbing its Content from the Itemsource, and not from my chained Dependency props. Is what I am trying even possible? If so, what have I done wrong. Thanks for looking.

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  • Firefox all but freezes during large file upload; Ajax progress bar infeasible; IE6 works fine

    - by Sean
    I want to provide a progress bar for my users who upload very large files. I did some reading and implemented what should be a pretty straightforward solution: I have a <form> element that contains an file input element; its target is set to the ID of a hidden iframe. On the server side, there's some Spring magic that attaches an object to the user's session; the progress of the upload can be queried from this object. After submitting the form, I start a repeating Ajax call using setInterval that queries the server for the percent-complete using the aforementioned session object. The call repeats every half-second, skipping the Ajax call if the previous call has not yet completed. I use the data from the call to update the width of an onscreen element. When the server call reports that the upload is complete, I clear the interval timer. I created a 100-megabyte file and uploaded it using my interface. This is using Firefox 3.6.3. What I found is that although the upload takes 20-25 seconds, the progress bar doesn't get updated until the very end. Moreover, the entire browser is basically frozen until the upload completes. I assumed that my method must be flawed, but I tried the same page using IE6, and was utterly amazed when it behaved as I had designed it to--the progress bar got updated every half second, and the whole upload only took about 15 seconds, much faster than Firefox. I don't have many add-ons installed, but I tried disabling Firebug and restarting my browser. This marginally improved the performance--I got perhaps a single additional progress bar update mid-upload--but still far from acceptable. Can anyone tell me what I can do to bring Firefox's performance up to the level of IE6? Ugh, I can't believe I actually typed that. EDIT: I just tried uploading a large file from a Firefox 3.6.3 browser on a different machine than the one that's running my web server, and it worked fine. Huh.

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  • jQuery.get() - Practical uses?

    - by RedWolves
    I am trying to understand why you would use jQuery.get() and jQuery.get(index). The docs say it is to convert the jQuery selection to the raw DOM object instead of working with the selection as a jQuery object and the methods available to it. So a quick example: $("div").get(0).innerHTML; is the same as: $("div").html(); Obviously this is a bad example but I am struggling to figure when you would use .get(). Can you help me understand when I would use this method in my code?

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  • Retrieving Gtk::Widget's relative position: get_allocate() doesn't work

    - by a-v
    I need to retrieve the position of a Gtk::Widget relative to its parent, a Gtk::Table. Most sources (e.g. http://library.gnome.org/devel/gtk-faq/stable/x642.html) say that one needs to call Gtk::Widget::get_allocation(). However, the returned Gtk::Allocation object always contains x = -1, y = -1, width = 1, height = 1. I have to note that this happens before the Gtk::Table object is actually exposed and rendered. A call to show_all_children() or check_resize(), which I would expect to recalculate child widget geometry, doesn't help. What am I doing wrong? Thanks in advance.

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  • Getting a java collection of objects in Alphabetical order

    - by MichaelMcCabe
    I have a question that I dont really know where to start. So I thought i'd ask it here. Basically, I have a drop down with names in it. I want these names to be in alphabetical order. Populating the drop down happens as follows; I query a database and pull down an Id and Name, make a object called "UserList", and set the name and id variables with what I get back. I then add this object to an ArrayList. I do this over and over. I then convert this collection to an array, and pass it to my JSP page using session.setAttribute("userList", UserList); I then populate the drop down as below. <c:forEach items="${usersCompanysList}" var="c" > There probably is a simple answer but how to I sort these names?

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  • Is there a "concise" way to do namespacing in JavaScript?

    - by olliej
    I've frequently encountered sites that put all of their javascript inside a "namespace" structure along the lines of namespaces = { com : { example: { example.com's data} } But setting this up safely with respect to other namespaced frameworks seems to require a relatively hefty amount of code (defined as 2 lines). I was wondering whether anyone knows of a concise way to do this? and whether there's a relatively standard/consistent way to structure it? eg. is the "com" namespace directly attached to the global object, or is it attached through a namespace object? [Edit: whoops, obviously {com = { ... } } wouldn't accomplish anything close to what i intended, thanks to Shog9 for pointing that out. :D]

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  • does overload operator-> a compile time action?

    - by Brent
    when I tried to compile the code: struct S { void func2() {} }; class O { public: inline S* operator->() const; private: S* ses; }; inline S* O::operator->() const { return ses; } int main() { O object; object->func(); return 0; } there is a compile error reported: D:\code>g++ operatorp.cpp -S -o operatorp.exe operatorp.cpp: In function `int main()': operatorp.cpp:27: error: 'struct S' has no member named 'func' it seems that invoke the overloaded function of "operator-" is done during compile time? I'd add "-S" option for compile only.

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  • Is it possible to use the values method for a HashMap if the values are ArrayLists?

    - by Denman
    I'm stuck trying to get something to work in an assignment. I have a HashMap<Integer, ArrayList<Object>> called sharedLocks and I want to check whether a certain value can be found in any ArrayList in the HashMap. The following code obviously wouldn't work because Object[] can't be cast to ArrayList[], but it is a demonstration of the general functionality that I want. ArrayList[] values = (ArrayList[]) sharedLocks.values().toArray(); boolean valueExists = false; for (int i = 0; i < values.length; i++) { if (values[i].contains(accessedObject)) { valueExists = true; } } Is there a way for me to check every ArrayList in the HashMap for a certain value? I'm not sure how to use the values method for HashMaps in this case. Any help would be much appreciated.

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  • Request/Response objects

    - by Dan
    I'm planning on using CXF's rest implementation. I'm thinking of simply annotating my entity classes with jaxb annotations, such as @XmlRootElement, in order to create response objects. The benefit being avoidance of code duplication. As for the (client) request object, which will be used by a separate web app, I'm thinking of 'copying' the entity classes, removing the orm annotations, and adding jaxb annotations. Based on the above: Are there any dangers of creating request/response objects from entity classes? My entity classes contain relational properties, if I were to annotate them with @XmlRootElement, how can I stop the relational properties from being added (or considered apart of) to the response object? Is there a better/easier way to create request objects rather than copying the entity classes, removing/adding annotations?

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  • TDBGrid columns design time or run time?

    - by Mawg
    I am using TDBGrid for the first time. I didn't even notice the Columns property in the object inspector and everything went just fine: the grid was filled. Then I saw the Columns property and tried it. When I use the object insector to add items to the Columns property of the grid, they do not all of them show up at run time. To me, it looks like the FieldName property is important. It looks like it is correct, but there are no values in some columns. If I leave this property blank (no columns at all) it seems that the control populates it itself at run time and I do see all the columns. I could live with that. When I set column titles at run time it works, but setting column width does not.

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  • How do I reference a pointer from a different class?

    - by Justagruvn
    First off, I despise singletons with a passion. Though I should probably be trying to use one, I just don't want to. I want to create a data class (that is instantiated only once by a view controller on loading), and then using a different class, message the crap out of that data instance until it is brimming with so much data, it smiles. So, how do I do that? I made a pointer to the instance of the data class when I instantiated it. I'm now over in a separate view controller, action occurs, and I want to update the initial data object. I think I need to reference that object by way of pointer, but I have no idea how to do that. Yes, I've set properties and getters and setters, which seem to work, but only in the initial view controller class. Peace Love applesauce.

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  • living column in instruments

    - by dubbeat
    In the context of allocations what exactly does the living column mean? Does it mean the number of times an object was created or does it mean how many instances of an object there is? I ask because I'm testing going in and out of a view. When I enter the view I create a class "myClass". When I exit the view I nil "myClass" and release it. If I go in and out of the view 6 times for example the living column in instruments for "myClass" says 6. Is this normal or is it not being released properly?

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