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  • how to create a JSON object in action class of JAVA

    - by Jugal
    I want to create a JSON object. I have tried the following myString=new JSONObject().put("JSON", sampleClass).toString(); but mystring gives me {"SampleClass@170f98"}. I also tried the following XStream xsStream=new XStream(new JsonHierarchicalStreamDriver()); SampleClass sampleClass=new SampleClass(userset.getId(),userset.getUsername()); myString=xsStream.toXML(sampleClass); It works but when i use getJSON in javascript to get myString it does not work.

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  • Problem with CommandFinder class...

    - by Patrick
    and I'm not sure why... Hello Everbody! I'm trying to make my first steps with SWTBot. I'm trying to test an Eclipse RCP Application. In one test i'm trying to call a command to save a dirty editor. But an assertion after the call, tells me that the editor is still dirty. An the data in the dirty editor is not showing up in the database. On the other hand, i'm not getting an Exception when calling the command... new CommandFinder().findCommand(CoreMatchers.equalTo(COMMANDNAME_SAVE)).get(0).click(); Has anyone any insperation for me, where i made a mistake?

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  • VS2008 Complains about css class names it should know about

    - by Matt Dawdy
    I've seen this in a webcast somewhere, but I can't remember where, and all searching terms I'm trying are coming up unhelpful. I've got a stylesheet for my site, and it's referenced in a master page. Child pages that use this master page use these styles, but .Net doesn't know about them. When the site is run, it all works great, but I'm trying to figure out how to get .Net to know about them at design time. This should also fix the issue with not knowing about the javascript files I'm including, too -- I think it's all related and I can't for the life of me figure out how.

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  • weird stuff with asp.net button CSS class

    - by Alexander
    I have the following button: <Club:RolloverButton runat="server" ValidationGroup="Login1" Text="Login" ID="LoginButton" CommandName="Login" CssClass="links" /> .links { display: block; width: 96px; padding: 2px 0px 2px 0px; background: #A53602; text-align: center; text-transform: uppercase; font-size: 10px; color: #FFFFFF; } When this button shows up the first time it shows the style correctly, however if I hover my mouse over this button the layout turns into a standard button, why is that??

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  • Doctrine2 use of criteria inside the entity class

    - by Piotr Kowalczuk
    They try to write a method whose task would be to return only selected elements of the collection of items associated with a particular entity. /** * @ORM\OneToMany(targetEntity="PlayerStats", mappedBy="summoner") * @ORM\OrderBy({"player_stat_summary_type" = "ASC"}) */ protected $player_stats; public function getPlayerStatsBySummaryType($summary_type) { if ($this->player_stats->count() != 0) { $criteria = Criteria::create() ->where(Criteria::expr()->eq("player_stat_summary_type", $summary_type)); return $this->player_stats->matching($criteria)->first(); } return null; } but i get error: PHP Fatal error: Cannot access protected property Ranking\CoreBundle\Entity\PlayerStats::$player_stat_summary_type in /Users/piotrkowalczuk/Sites/lolranking/vendor/doctrine/common/lib/Doctrine/Common/Collections/Expr/ClosureExpressionVisitor.php on line 53 any idea how to fix this?

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  • java looping - declaration of a Class outside / inside the loop

    - by lisak
    when looping, for instance: for ( int j = 0; j < 1000; j++) {}; and I need to instantiate 1000 objects, how does it differ when I declare the object inside the loop from declaring it outside the loop ?? for ( int j = 0; j < 1000; j++) {Object obj; obj =} vs Object obj; for ( int j = 0; j < 1000; j++) {obj =} It's obvious that the object is accessible either only from the loop scope or from the scope that is surrounding it. But I don't understand the performance question, garbage collection etc. What is the best practice ? Thank you

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  • how to get NSTextField in custom NSFormatter class

    - by Amit
    i am new to cocoa and objective-c and creating small application having few NStextFields on the window.I have create custom NSformatter to validate the inputs,at some instance i want to get the NStextField within my custom NSformatter to change its backcolor to red to notify user for wrong input value.I didn't getting how to get the currently selected/focused NStextfield for which i want to change backcolor.

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  • Cannot find suitable formatter for custom class object

    - by Ganesha87
    I'm writing messages to a Message Queue in C# as follows: ObjectMsg objMsg = new ObjMsg(1,"ascii",20090807); Message m = new Message(); m.Formatter = new BinaryMessageFormatter(); m.body = objMsg; queue.Send(m); and I'm trying to read the messages as follows: Message m = new Message() m.Formatter = new BinaryMessageFormatter(); MessageQueue mq = new MessageQueue("./pqueue"); m = mq.Recieve(); ObjMsg msg = (ObjMsg )m.Body; However I'm getting an error message which says: "Cannot find a formatter capable of reading this message."

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  • Add remove class?

    - by Steven
    Okay I have two classes for two links and two divs with different information. What I am trying to do is have it so when you click on one link it adds a 2 to both of the classes and makes the second div visable. When you click on the other link it takes off a 2 and makes the first div visable. Here is what I currently got $("#posts").click(function () { $("#sideboxtopleft").toggleClass("2"); $("#arrow").toggleClass("2"); }); Pretty much posts is the link, when when you click on it. It would make sideboxtopleft and arrow, sideboxtopleft2 and arrow2 and when you clicked on comments it would take off the 2 of both of those. Then there are two divs, one is set to hidden and I want to make it visable and set the other to hidden. Pretty much creating a tab system with changing tab classes.

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  • Loading Native library to external Package in Eclipse not working. is it a Bug?

    - by TacB0sS
    I was about to report a but to Eclipse, but I was thinking to give this a chance here first: If I add an external package, the application cannot find the referenced native library, except in the case specified at the below: If my workspace consists of a single project, and I import an external package 'EX_package.jar' from a folder outside of the project folder, I can assign a folder to the native library location via: mouse over package - right click - properties - Native Library - Enter your folder. This does not work. In runtime the application does not load the library, System.mapLibraryName(Path) also does not work. Further more, if I create a User Library, and add the package to it and define a folder for the native library it still does not. If it works for you then I have a major bug since it does not work on my computer I test this in any combination I could think of, including adding the path to the windows PATH parameter, and so many other ways I can't even start to remember, nothing worked, I played with this for hours and had a colleague try to assist me, but we both came up empty. Further more, if I have a main project that is dependent on few other projects in my workspace, and they all need to use the same 'EX_package.jar' I MUST supply a HARD COPY INTO EACH OF THEM, it will ONLY (I can't stress the ONLYNESS, I got freaked out by this) work if I have a hard copy of the package in ALL of the project folders that the main project has a dependency on, and ONLY if I configure the Native path in each of them!! This also didn't do the trick. please tell me there is a solution to this, this drives me nuts... Thanks, Adam Zehavi.

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  • Java Object class

    - by SHiNKiROU
    I have a weird Java question: As we know: All Java classes extend java.lang.Object All Java classes cannot extend itself Then, java.lang.Object must extend java.lang.Object, which is itself, therefore, it should be impossible. How is Object implemented in Java?

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  • JPA native query join returns object but dereference throws class cast exception

    - by masato-san
    I'm using JPQL Native query to join table and query result is stored in List<Object[]>. public String getJoinJpqlNativeQuery() { String final SQL_JOIN = "SELECT v1.bitbit, v1.numnum, v1.someTime, t1.username, t1.anotherNum FROM MasatosanTest t1 JOIN MasatoView v1 ON v1.username = t1.username;" System.out.println("get join jpql native query is being called ============================"); EntityManager em = null; List<Object[]> out = null; try { em = EmProvider.getDefaultManager(); Query query = em.createNativeQuery(SQL_JOIN); out = query.getResultList(); System.out.println("return object ==========>" + out); System.out.println(out.get(0)); String one = out.get(0).toString(); //LINE 77 where ClassCastException System.out.println(one); } catch(Exception e) { } finally { if(em != null) { em.close; } } } The problem is System.out.println("return object ==========>" + out); outputs: return object ==========> [[true, 0, 2010-12-21 15:32:53.0, masatosan, 0.020], [false, 0, 2010-12-21 15:32:53.0, koga, 0.213]] System.out.println(out.get(0)) outputs: [true, 0, 2010-12-21 15:32:53.0, masatosan, 0.020] So I assumed that I can assign return value of out.get(0) which should be String: String one = out.get(0).toString(); But I get weird ClassCastException. java.lang.ClassCastException: java.util.Vector cannot be cast to [Ljava.lang.Object; at local.test.jaxrs.MasatosanTestResource.getJoinJpqlNativeQuery (MasatosanTestResource.java:77) So what's really going on? Even Object[] foo = out.get(0); would throw an ClassCastException :(

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  • Forward declaration of derived inner class

    - by Loom
    I ran into problem implementing some variations of factory method. // from IFoo.h struct IFoo { struct IBar { virtual ~IBar() = 0; virtual void someMethod() = 0; }; virtual IBar *createBar() = 0; }; // from Foo.h struct Foo : IFoo { // implementation of Foo, Bar in Foo.cpp struct Bar : IBar { virtual ~Bar(); virtual void someMethod(); }; virtual Bar *createBar(); // implemented in Foo.cpp }; I'd like to place declaration of Foo::Bar in Foo.cpp. For now I cannot succeed: struct Foo : IFoo { //struct Bar; //1. error: invalid covariant return type // for ‘virtual Foo::Bar* //struct Bar : IBar; //2. error: expected ‘{’ before ‘;’ token virtual Bar *createBar(); // virtual IBar *createBar(); // Is not acceptable by-design }; Is there a trick to have just forward declaration of Boo in Foo.hpp and to have full declaration in Foo.cpp?

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  • DriveInfo Class

    - by Asim Sajjad
    How to I execute the following code in silverlight 3. DriveInfo[] drives = DriveInfo.GetDrives(); foreach (DriveInfo drive in drives) { if (drive.IsReady) { } } As it is giving me error and when I try to add the reference for the system.IO I can't fine any reference for that Dll.Thanks in advance

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