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  • iOS 6&7: Storyboard, master detail ViewController when detailViewController is dynamic

    - by Cam
    I'm building an app for iPhone, I want to use storyboard in XCode to do a simple selection from a tableView (let's call it master table view controller with couple rows) then through navigation it goes to next page and shows a detail view for that selection. I have in my code a base class representing my detailViewController, and have 2-3 driver classes of this base class representing what I want to show in detail view controller in second page, can someone give me an idea how to set destination viewController (detailViewController) dynamically to one of my child class based on the selected row in master view controller using storyboard? Usually you assign a class to destination class in storyboard for your detail view controller with using segue, but since my destination class could be a different (child class) how you set this in storyboard? Thank you, Kam

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  • How to create Jquery products slider?

    - by Kelvin
    Hi all, I am trying to create jquery slider that could slide DIV's. I need something like jCarousel or jquery Moving Boxes. It should be simple sliding of 3 items at a time. <div class="all-items"> <div class="item"><img src="">Item text 1</div> <div class="item"><img src="">Item text 2</div> <div class="item"><img src="">Item text 3</div> <div class="item"><img src="">Item text 4</div> <div class="item"><img src="">Item text 5</div> <div class="item"><img src="">Item text 6</div> </div> Any suggestions what should I use? Thanks in advance

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  • iOS app won't compile on device but works fine in simulator

    - by Jhorra
    I'm assuming this has something to do with linking, but I've removed RestKit and re-added it. I made sure all my connections and linking was in place. If I set XCode to use the simulator it runs fine, but as soon as I set it to run on any device it won't even build. The only other thing of note is this didn't start happening till I upgraded to XCode 4.5. Below are the errors it gives me ld: warning: ignoring file /Users/luke/Library/Developer/Xcode/DerivedData/ehrx-btsujlxuhtytahfaikwjeqfjybtt/Build/Products/Debug-iphoneos/libRestKit.a, file was built for archive which is not the architecture being linked (armv7s): /Users/luke/Library/Developer/Xcode/DerivedData/ehrx-btsujlxuhtytahfaikwjeqfjybtt/Build/Products/Debug-iphoneos/libRestKit.a Undefined symbols for architecture armv7s: "_OBJC_CLASS_$_RKClient", referenced from: objc-class-ref in ehrxAppDelegate.o objc-class-ref in ehrxLoginView.o objc-class-ref in ehrxInboxView.o objc-class-ref in ehrxCMView.o objc-class-ref in ehrxEncounterDemoView.o objc-class-ref in ehrxEncounterDiagListView.o objc-class-ref in ehrxEncounterChargeView.o ... ld: symbol(s) not found for architecture armv7s clang: error: linker command failed with exit code 1 (use -v to see invocation)

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  • How do I use the information about exceptions a method throws in .NET in my code?

    - by dotnetdev
    For many methods in .NET, the exceptions they can potentially throw can be as many as 7-8 (one or two methods in XmlDocument, Load() being one I think, can throw this many exceptions). Does this mean I have to write 8 catch blocks to catch all of these exceptions (it is best practise to catch an exception with a specific exception block and not just a general catch block of type Exception). How do I use this information? Thanks

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  • How do I build a hello world class with maven?

    - by httpinterpret
    Now the source code is ready, how can I build it with maven? Suppose the source file is hw.java I've googled some time, all the solutions requires me to set the directory in a fixed manner. But what I want to do is keep hw.java in current directory (.), and then: vi pom.xml ... mkdir build cd build maven ... Can I have that kind of freedom with maven?

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  • What is a good method to use with multithreading to simulate this?

    - by user1504257
    I am writing a program in c++ in visual studio to be able to handle a line at a park. I have all of my customers in a line at the park and I want to be able to service them using multithreading with openmp. When I put the pragma and such in, I have multiple threads servicing the same customer at the same time for each and every customer I create, not what I want. I want for example, if I had two threads and four customers, that thread one to do customer one while thread 2 does customer 2. Then I would like thread 1 to do customer 3 and thread 2 customer 4 at the same time. I don't know if its possible or if there is a better way, but I need to use openmp. Thanks for your input.

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  • Does the 'dynamic' keyword and the DLR promote C# to a first class citizen as a dynamically typed la

    - by Quigrim
    I understand that the new ‘dynamic’ keyword in C# 4.0 facilitates interaction with dynamic .NET languages, and can help to cut code by using it instead of reflection. So usage is for very specific situations. However, what I would like to know is if it will give C# all the dynamic benefits that one would get in other dynamic languages such is the IronXXX languages? In other words, will it be possible to write a entire application in C# in a dynamic language style? And if it is possible, would it be recommended or not. And why, or why not respectively? Will I get all the benefits of a dynamic language without switching to another language?

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  • How to structure class to support imported 3d model ?

    - by brainydexter
    Hello, I've written a C++ library that reads in this 3d model file (collada DAE). uptil now, I would output a list of triangles and handle each at rendering stage. But now, I need to attach some Bounding sphere information with the imported model. I need some advice on how should I organize this in code. Here are some specs of the 3D file format: - 3D model is represented as a Tree consisting of nodes - each node can contain other nodes, geometry information, transformation etc My requirements: - a bounding sphere associated with each node, thereby yielding a tree of bounding sphere hierarchy for the model itself. - actual vertex information What would be the recommended way to deal with this situation? Thanks

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  • How to detect a WCF session crash before calling a contract method?

    - by brain_pusher
    I am using a session mode for my WCF service. The problem is the following: if session is broken and no longer exists, client can't know it before calling a contract. For example, if the service has been restarted, the client's session id is invalid, because that session has been closed on the server side. I check the channel state before calling the contract and its value is CommunicationState.Opened even if session is already broken. So, when I call the contract after this check I get a CommunicationException with this message: The remote endpoint no longer recognizes this sequence. This is most likely due to an abort on the remote endpoint. The value of wsrm:Identifier is not a known Sequence identifier. The reliable session was faulted. Is there any workaround? I need a way to get an appropriate session state before calling a contract so that I can restore it without getting an exception. P.S. The CommunicationException type is general, so I can't detect a session crash by catching this exception. P.P.S. I have asked the similar question here, but in that case I didn't know the reason, now I don't know how to evade it.

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  • What's the best method in ASP.NET to obtain the current domain?

    - by Graphain
    Hi, I am wondering what the best way to obtain the current domain is in ASP.NET? For instance: http://www.domainname.com/subdir/ should yield http://www.domainname.com http://www.sub.domainname.com/subdir/ should yield http://sub.domainname.com As a guide, I should be able to add a url like "/Folder/Content/filename.html" (say as generated by Url.RouteUrl() in ASP.NET MVC) straight onto the URL and it should work.

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  • Why my custom CStatic derived control does not receive WM_SIZE message?

    - by Michael P
    Hello everyone! I'm currently developing a custom control that derives from CStatic MFC class (Smart Device C++ project). I have created the control class using VC++ MFC class wizard, selecting CStatic class as its base class. I have used Class View to add OnSize event handler for my control class (I have selected WM_SIZE message from messages list), and new OnSize method has been created by Visual Studio along with ON_WM_SIZE() statement between BEGIN_MESSAGE_MAP(...) and END_MESSAGE_MAP(). The problem is that my control does not receive WM_SIZE thus OnSize method is never called - I used MoveWindow to change size of my control - its size changes as I have seen on dialog window but WM_SIZE message is never being sent. When I send WM_SIZE through SendMessage or PostMessage function - the control OnSize method is called normally. What do I wrong? I've read MSDN docs about CStatic control and there is no information that WM_SIZE message is never sent to a static control window. Sorry for my bad English.

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  • inheritance and hidden overloads

    - by Caspin
    The following code doesn't compile. struct A {}; struct B {}; class Base { public: virtual void method( A param ) { } virtual void method( B param ) = 0; }; class Derived : public Base { public: //using Base::method; void method( B param ) { } }; int main() { Derived derived; derived.method(A()); } The compiler can't find the overload of method() that has an A parameter. The 'fix' is to add a using declaration in the derived class. My question is why. What is the rational for a weird language rule like this? I verified the error in both GCC and Comeau, so I assume this isn't a compiler bug but a feature of the language. Comeau at least gives me this warning: "ComeauTest.c", line 10: warning: overloaded virtual function "Base::method" is only partially overridden in class "Derived" class Derived : public Base ^

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  • What method should be used for searching this mysql dataset?

    - by GeoffreyF67
    I've got a mysql dataset that contains 86 million rows. I need to have a relatively fast search through this data. The data I'll be searching through is all strings. I also need to do partial matches. Now, if I have 'foobar' and search for '%oob%' I know it'll be really slow - it has to look at every row to see if there is a match. What methods can be used to speed queries like this up? G-Man

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  • Problem with lazy loading implementation

    - by Mehran
    Hi, I have implemented lazy loading in my program. it's done through a proxy class like: class Order { public virtual IList<Item> Items {get; set;} } class OrderProxy { public override IList<Item> Items { get { if (base.Items == null) Items = GetItems(base.OrderID); return base.Items; } set { base.Items = value; } } } the problem is that whenever i instantiate proxy class,without even touching the Items property, it tries to load Items! as you may know,i want to instantiate proxy class and return the instance to BLL instead of domain object itself. what's the problem? Does .NET CLR access(read) properties in a class, when it's instatiating the class? any other methods? Thanks

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  • Questions on method to use: Facebook Business Page with Flash or Facebook Application?

    - by Jay
    Hi there, I'm new to Facebook's Graph API / FBML / etc. So if at any point in my post I make a mistake or wrong assumption, please point them out. One of the projects that I am working on has a need to get data/info from an existing web site in addition to the friends list and such that FB can provide. This is for a platform that allows people from all over the world to help out in small scale projects that will benefit various communities. These projects are usually to help out people in unfortunate / less than ideal situations / living conditions so that their environment improves. You can read about it in detail at http://www.getitdone.org. The initial idea was to develop a Business Page (this is the same as a Fan Page right?) for each Project with a Static FBML tag to do the displaying. However, iframes are not allowed in Pages (as far as I know, iframes are only allowed in an FB Application). So it is no longer possible to get data from the web site to be displayed in the FB Page. So one of the options is to embed a Flash in the Page's Tab. I am fairly certain that the Flash can retrieve data on the User's friends and connections in an Application's context (because of all of those darn FB games that I'm addicted to :p). However, I would like to confirm if it can do the same if it's embedded in a Business Page's Tab. Could someone please confirm on this issue? The other option that we arrived at was (if the earlier options fails) to have an Application built instead. However, this means that we would need to create an Application for each Project. Not an ideal situation. Is there any other option that we have missed that can help us achieve the desired result with as little hassle as possible? Any help that you can provide on this matter is most welcome. Thank you.

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  • What are the best practices for implementing the == operator for a class in C#?

    - by remio
    While implementing an == operator, I have the feeling that I am missing some essential points. Hence, I am searching some best practices around that. Here are some related questions I am thinking about: How to cleanly handle the reference comparison? Should it be implemented through a IEquatable<T>-like interface? Or overriding object.Equals? And what about the != operator? (this list might not be exhaustive).

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  • Please explain this Rails method to me like I'm a little kid.

    - by Senthil
    I found this in Ryan Bates' railscast site, but not sure how it works. #models/comment.rb def req=(request) self.user_ip = request.remote_ip self.user_agent = request.env['HTTP_USER_AGENT'] self.referrer = request.env['HTTP_REFERER'] end #blogs_controller.rb def create @blog = Blog.new(params[:blog]) @blog.req = request if @blog.save ... I see he is saving the user ip, user agent and referrer, but am confused with the req=(request) line. Any help is appreciated. Thanks

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