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  • UIScrollView in a TabBar controlled navigation - IPhone

    - by user362722
    I have a TabBarControlled view navigation and i want to display a UIScrollView in one of the Tabs, but whenever i click on this tab the error-code: ...this class is not key value coding-compliant for the key... appears. My code: Code: #import <UIKit/UIKit.h> @interface BillViewController : UIViewController <UIScrollViewDelegate> { IBOutlet UIScrollView *olta; } @property (nonatomic,retain) IBOutlet UIScrollView *olta; @end My code has a IBOutlet UIScrollView and it is connected to the IB. My class also implements the desired protocol and the delegate is connected to the BillViewController-class. thanks

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  • Problem with signals and slots

    - by Jen
    I am creating a class with custom slots in Qt: class CustomEdit : public QTextEdit { Q_OBJECT public: CustomEdit(QWidget* parent); public slots: void onTextChanged (); }; However, I'm getting thise linker error: undefined reference to 'vtable for CustomEdit' The documentation says: if you get compiler errors along the lines of "undefined reference to vtable for LcdNumber", you have probably forgotten to run the moc or to include the moc output in the link command. ... but it is not obvious what that means. Is there something I need to add to my class, or to the .pro file?

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  • How do I tell eclipse to auto-generate or retain stubs when it starts and does a clean build?

    - by Erick Robertson
    I'm working on a Java application that uses JavaSpace. We're developing this in Eclipse. There are a couple instances where we are inserting code into the JavaSpace to do some more advanced space notification logic. Doing this requires that we generate stubs for the classes used within the JavaSpace. We use an external script to generate these stubs. The problem is that whenever Eclipse restarts, it does a clean build of the whole application. When it does this, it deletes all the stubs and we have to regenerate them. I would like to find a way to either tell Eclipse not to remove the _stub.class and _skel.class files within the bin folder where the .class files are placed. Either that, or somehow teach Eclipse to generate the stub files whenever it does a rebuild (and I suppose whenever the source files from which the stubs are generated changes). How can I do one of these, so that we don't have to manually build the stubs every time we start up Eclipse?

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  • list editabale error

    - by ha22109
    Hello all, I m using django 1.1 beta.I m facing porblem in case of list_editable.First it was throughing exception saying need ordering in case of list_editable" then i added ordering in model but know it is giving me error.The code is working fine with django1.1 final. here is my code model.py class User(models.Model): advertiser = models.ForeignKey(WapUser,primary_key=True) status = models.CharField(max_length=20,choices=ADVERTISER_INVITE_STATUS,default='invited') tos_version = models.CharField(max_length=5) contact_email = models.EmailField(max_length=80) contact_phone = models.CharField(max_length=15) contact_mobile = models.CharField(max_length=15) contact_person = models.CharField(max_length=80) feedback=models.BooleanField(choices=boolean_choices,default=0) def __unicode__(self): return self.user.login class Meta: db_table = u'roi_advertiser_info' managed=False ordering=['feedback',] admin.py class UserAdmin(ReadOnlyAdminFields, admin.ModelAdmin): list_per_page = 15 fields = ['advertiser','contact_email','contact_phone','contact_mobile','contact_person'] list_display = ['advertiser','contact_email','contact_phone','contact_mobile','contact_person','status','feedback'] list_editable=['feedback'] readonly = ('advertiser',) search_fields = ['advertiser__login_id'] radio_fields={'approve_auto': admin.HORIZONTAL} list_filter=['status','feedback'] admin.site.register(User,UserADmin)

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  • 'Error serializing body'. Problem calling Fedex webservice through .NET 3.5

    - by Simon_Weaver
    I'm using Fedex's web services and getting an annoying error right up front before I can actually get anywhere. There was an error in serializing body of message addressValidationRequest1: 'Unable to generate a temporary class (result=1). error CS0030: Cannot convert type 'FedEx.InterOp.AddressValidationServiceReference.ParsedElement[]' to 'FedEx.InterOp.AddressValidationServiceReference.ParsedElement' error CS0029: Cannot implicitly convert type 'FedEx.InterOp.AddressValidationServiceReference.ParsedElement' to 'FedEx.InterOp.AddressValidationServiceReference.ParsedElement[]' '. Please see InnerException for more details. I'm using .NET 3.5 and get a horrible named class generated for me (I'm not sure why it isn't just AddressValidationService): AddressValidationPortTypeClient addressValidationService = new ...; on this class I make my web service call: addressValidationService.addressValidation(request); This is when I get this error. The only references I can find to this error come from ancient 1.1 projects. In my case my DLL has references to System.Web and System.Web.Services which seemed to be an issue back then.

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  • C# Initialize Subclass based on Parent object

    - by ctrlShiftBryan
    So basically I have this public class Ticket{ public TicketNumber {get; set;} ..a bunch more properties... } I want to add some properties using a subclass like this using subsumption instead of composition. public class TicketViewModel(Ticket ticket){ //set each property from value of Ticket passed in this.TicketNumber = ticket.TicketNumber; ...a bunch more lines of code.. //additional VM properties public SelectList TicketTypes {get; private set;} } How do I instantiate the properties without having to write all the lines like this this.TicketNumber = ticket.TicketNumber; Is there some kind of shortcut? Something like in the subclass constructor? this = ticket; Obviously this doesn't work but is their some way so I don't have to modify my subclass if addng/removing a property to the parent class? Or something?

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  • Exchange 2003 Offline Defrag

    - by Tom
    Looking to do my first offline defrag this weekend on Exchange 2003. Our Exchange DB is on E drive and server1 is the temporary location where there is sufficient space. Dismount the store and change to c:\program files\exchsrvr\bin Does this look like the correct command to run? eseutil /d "e:\exchdata\priv1.edb /t"\\server1\exchtemp\tempdfg.edb" Is there anything I should be aware of such as backups running at the same time etc?

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  • __getattr__ on a module

    - by Matt Joiner
    How can implement the equivalent of a __getattr__ on a class, on a module? Example When calling a function that does not exist in a module's statically defined attributes, I wish to create an instance of a class in that module, and invoke the method on it with the same name as failed in the attribute lookup on the module. class A(object): def salutation(self, accusative): print "hello", accusative def __getattr__(mod, name): return getattr(A(), name) if __name__ == "__main__": salutation("world") Which gives: matt@stanley:~/Desktop$ python getattrmod.py Traceback (most recent call last): File "getattrmod.py", line 9, in <module> salutation("world") NameError: name 'salutation' is not defined Evidently something is not right about my assumed implementation.

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  • Conversion of pointer-to-pointer between derived and base classes?

    - by Mike Mueller
    Regarding the following C++ program: class Base { }; class Child : public Base { }; int main() { // Normal: using child as base is allowed Child *c = new Child(); Base *b = c; // Double pointers: apparently can't use Child** as Base** Child **cc = &c; Base **bb = cc; return 0; } GCC produces the following error on the last assignment statement: error: invalid conversion from ‘Child**’ to ‘Base**’ My question is in two parts: Why is there no implicit conversion from Child** to Base**? I can make this example work with a C-style cast or a reinterpret_cast. Using these casts means throwing away all type safety. Is there anything I can add to the class definitions to make these pointers cast implicitly, or at least phrase the conversion in a way that allows me to use static_cast instead?

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  • How do I migrate a ManyToOne to a ManyToMany relationship in Hibernate?

    - by spderosso
    I have a instance field of a class X that is mapped using Hibernate as a Many to One relationship. E.g: public class X{ ... @ManyToOne(optional=false) private Y iField; ... } That is correctly working with a particular schema. I know want to change this instance field iField to a List and a Many to Many relationship. public class X{ ... @ManyToMany(optional=false) private List<Y> iField; ... } What steps should I follow? Do I have to change the schema? in which way? In case you need more info let me know. Thanks!

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  • Zend_XmlRpc :Failed to parse response error

    - by davykiash
    Am trying to get a simple hello world XMLRPC server setup to work.However I get this Failed to parse response error error when I run the test URL http://localhost/client/index/ on my browser In my Rpc Controller that handles all my XMLRPC calls class RpcController extends Zend_Controller_Action { public function init() { $this->_helper->layout->disableLayout(); $this->_helper->viewRenderer->setNoRender(); } public function xmlrpcAction() { $server = new Zend_XmlRpc_Server(); $server->setClass('Service_Rpctest','test'); $server->handle(); } } In my client Controller that calls the XMLRPC Server class ClientController extends Zend_Controller_Action { public function indexAction() { $clientrpc = new Zend_XmlRpc_Client('http://localhost/rpc/xmlrpc/'); //Render Output to the view $this->view->rpcvalue = $clientrpc->call('test.sayHello'); } } In my Service_Rpctest function <?php class Service_Rpctest { /** * Return the Hello String * * @return string */ public function sayHello() { $value = 'Hello'; return $value; } } What am I missing?

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  • Java Polymorphism - Selecting correct method based on subtype

    - by Marty Pitt
    Hi Given the following Class and Service layer signatures: public class PersonActionRequest { PersonVO person // ... other fields } public class MyServiceLayerClass { public void requestAction(PersonActionRequest request) { PersonVO abstractPerson = request.getPerson(); // call appropriate executeAction method based on subclass of PersonVO } private void executeAction(PersonVO person) {} private void executeAction(EmployeeVO employee) {} private void executeAction(ManagerVO manager) {} private void executeAction(UnicornWranglerVO unicornWrangler) {} } As discussed here, java will select the best method based on type info at compile time. (Ie., it will always select executeAction(PersonVO person) ). What's the most appropriate way to select the correct method? The internet tells me that using instanceof gets me slapped. However, I don't see the appropraite way to select the method without explictly casting abstractPerson to one of the other concrete types. Thanks Marty

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  • stopping android handler loop

    - by venka reddy
    Hi, i am using a class which extends Handler class to update my activity UI. The code is as follows in side main activity, /////////////////////////////// public class RefreshHandler extends Handler { public void handleMessage(Message msg) { Homeform.this.updateUI(); } public void sleep(long delayMillis) { this.removeMessages(0); sendMessageDelayed(obtainMessage(0), delayMillis); } }; private void updateUI(){ Log.v("","== I am inside Update UUI====================="); refresh(); mRedrawHandler.sleep(5000); } /////////////////////////// And i had call this method handleMessage() on the object of RefreshHandler as follows /////////////////////////////////////////// mRedrawHandler = new RefreshHandler(); mRedrawHandler.handleMessage(new Message()); //////////////////////////////////////////////// But here i am facing one problem that is it is running after closing my application also . please solve my problem to stop this handler when close this application. ThanQ.....

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  • Can I get an example please?

    - by Doug
    $starcraft = array( "drone" => array( "cost" => "6_0-", "gas" => "192", "minerals" => "33", "attack" => "123", ) "zealot" => array( "cost" => "5_0-", "gas" => "112", "minerals" => "21", "attack" => "321", ) ) I'm playing with oop and I want to display the information in this array using a class, but I don't know how to construct the class to display it. This is what I have so far, and I don't know where to go from here. Am I supposed to use setters and getters? class gamesInfo($game) { $unitname; $cost; $gas; $minerals; $attack; }

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  • Sharing a connection string

    - by coure06
    hi, I am developing a class library (C#) that i will use it for my different projects (later). My class library dll will use the connection string /data context of the project which will reference my new dll. How can i do it? Lets say i have a class Library Project named "CLP", and a website project "WP". I can add reference to CLP.dll file but how i will pass a connection string/data context object to that dll? as CLP.dll will access db based on the connection string of the "WP". Not sure my problem is clear or not!

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  • Silverlight: Binding to static value

    - by queen3
    I need TextBlock.Text to be retrieved from translation manager, something like <TextBlock Text="{Binding TranslateManager.Translate('word')}" /> I don't want to set DataSource for all text blocks. The only way I found how to do this is to bind to "static" class and use converter: <TextBlock Text="{Binding Value, Source={StaticResource Translation}, Converter={StaticResource Translation}, ConverterParameter=NewProject}" /> And these helper class public class TranslationManager : IValueConverter { public static string Translate(string word) { return translate(word); } // this is dummy for fake static binding public string Value { get; set; } public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { var name = parameter as string; return TranslationManager.Translate(name, name); } } But, is there a better - shorter - way?

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  • How do I convert CamelCase into human-readable names in Java?

    - by Frederik
    I'd like to write a method that converts CamelCase into a human-readable name. Here's the test case: public void testSplitCamelCase() { assertEquals("lowercase", splitCamelCase("lowercase")); assertEquals("Class", splitCamelCase("Class")); assertEquals("My Class", splitCamelCase("MyClass")); assertEquals("HTML", splitCamelCase("HTML")); assertEquals("PDF Loader", splitCamelCase("PDFLoader")); assertEquals("A String", splitCamelCase("AString")); assertEquals("Simple XML Parser", splitCamelCase("SimpleXMLParser")); assertEquals("GL 11 Version", splitCamelCase("GL11Version")); }

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  • How do I get the XAML compiler to use textual content property on custom classes?

    - by Duncan
    Given a simple C# class definition like: [System.Windows.Markup.ContentProperty("PropertyOne")] public class SimpleBase { public string PropertyOne { get; set; } public string PropertyTwo { get; set; } } why is it not possible to omit the sys:string tags around the word Test in the xaml below. <custom:SimpleBase x:Class="TestType" xmlns:custom="clr-namespace:ConsoleApplication1;assembly=" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:sys="clr-namespace:System;assembly=mscorlib"> <sys:String>Test</sys:String> </custom:SimpleBase> Somehow the compiler correctly converts text to string for the type String, why doesn't it work for my custom type? The context can be found on my blog: http://www.deconflations.com/?tag=xaml

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  • augment the factory pattern in java

    - by TP
    I am trying to use a factory pattern to create a QuestionTypeFactory where the instantiated classes will be like MultipleChoice, TrueFalseQuestion etc. The factory code looks something like this class QuestionFactory { public enum QuestionType { TrueFalse, MultipleChoice, Essay } public static Question createQuestion(QuestionType quesType) { switch (quesType) { case TrueFalse: return new TrueFalseQuestion(); case MultipleChoice: return new MultipleChoiceQuestion(); case Essay: return new EssayQuestion(); } throw new IllegalArgumentException("Not recognized."); } } This works ok for now. If I want to add another question type I will need to modify the factory class and I do not want to do that. How can I set it up so that each question class registers itself with the Factory so that when I add a new question type, I do not have to change the code for the factory? I am a bit new to java and am not sure how to do this.

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  • Automatically generate buddy classes from model in C#

    - by JohnnyO
    I use Linq to Sql (although this is equally applicable in Entity Framework) for my models, and I'm finding myself creating buddy classes for my models all the time. I find this time consuming and repetitive. Is there an easy way to automatically generate these buddy classes based on the models? Perhaps a visual studio macro? An example of a buddy class that I'd like to create: [MetadataType(typeof(PersonMetadata))] public partial class Person { } public class PersonMetadata { public object Id { get; set; } public object FirstName { get; set; } } Thanks in advance.

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  • Javascript: addClassName if input is checked and removeClassName if it was un-checked

    - by BoDiE2003
    Im trying to select all the li tags of the document and check if it hasClassName('yes') so if it has, it will remove it. But im having a TypeError: Object [object HTMLLIElement], has no method 'hasClassName' error. This is the DOM method: document.observe("dom:loaded", function() { $(document.body).select('input').each(function(element) { element.observe('click', function() { init(); }); init(); }); }); The previous code will take the init fuction and check the if there are checked inputs and add them the 'yes' class name, but if I un-check those inputs, the class remains. This is the funcion that Im trying to do dynamic (add and remove class 'yes'); function init() { $(document.body).select('input').each(function(element) { if (element.checked) { element.up('li').addClassName('yes'); } if ($(document.body).select('li').hasClassName('yes')) { element.removeClassName('yes'); } }) } Can you help me solving the last part of this function, so the removeclassname method will work? Thank you

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  • CSS Negative margins for positioning.

    - by Kyle Sevenoaks
    Is it ok to use negative margins for positioning? I have a lot in my current site and feel like it's not such a stable way to position things. I usually suggest to use them too. For example I have a checkout page with three divs on top of each other <div class="A"> header </div> <div class="B"> content </div> <div class="C"> footer </div> (A, B and C), which are meant to sit on top of each other, to appear attached. I did this using: .B { margin-top: -20px; } On div B, to meet the bottom of div A. Is this good practice or shall I re-code using top and left?

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  • Script or Batch File to Automate Logon from Welcome Screen

    - by Guy Thomas
    Is there a script or batch file to automate the log-on process from the XP Welcome screen? As all details are the same Username, Password, and Domain in a room of 30 machines. The reason I don't use Windows AutoAdminLogon is I only want to logon temporary at different times as a user to run such things as online test for a class of high school students without the students logging on individually first, also it would be useful for admin tasks if I can change/specify the user details.

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  • How to enable Automatic Sorting of IEnumerable Data in GridView?

    - by ace
    How can I enable automatic sorting of my BLL which returns a List CustomerList:List in a GridView? Customer is my own strongly typed class and CustomerList is a List of customers. I know one approach is to set the AllowSorting property to true in the GridView and handle the OnSorting event and call a sorting method defined in my CustomerList class. However I would like a solution which is automatic in the sense that I do not have to handle the OnSorting Event, it should be like how GridView handles automatic sorting for DataView, DataTable, and DataSet. Is there an Interface I need to implement on my CustomerList or Customer class that will enable that functionality?

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  • Weird behavior of std::vector

    - by Nima
    I have a class like this: class OBJ{...}; class A { public: vector<OBJ> v; A(int SZ){v.clear(); v.reserve(SZ);} }; A *a = new A(123); OBJ something; a->v.push_back(something); This is a simplified version of my code. The problem is in debug mode it works perfect. But in release mode it crashes at "push_back" line. (with all optimization flags OFF) I debugged it in release mode and the problem is in the constructor of A. the size of the vector is something really big with dummy values and when I clear it, it doesn't change... Do you know why? Thanks,

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