this is my first foray into subclassi开发者_JAVA技巧ng with perl and I am wondering why I am getting this simple error...
I have a generic list class that implements a particular interface. The list items in the interface also implement the same interface.
I\'ve spent many hours trying to figure this one out with no luck. Someone had a similar problem on the Apple mailing lists a while ago and no one answered. Basically, it comes down to this: I\'ve sub
I know that I can \"subclass\" an NSMutableArray using \"category extensions,\" i.e. @interface NSMutableArray (MyExtension), to add new functions to the class. However, is there a w开发者_JAVA百科ay
I\'d like to have a setti开发者_JS百科ngs view in my app. I want to have things like UILabels, UISwitches etc. (Like in the Settings app.)
I am having some trouble depicting a DataBase Setup in NH. I have the following Classes: public class BaseData
I currently have a UIView subclass that acts as my header view for my UITableViewController. All of the subviews vary in size depending on data retrieved for a particular item.
I have heard that when you have a subclass, you are supposed to initialize the superclass with the same init function from within the subclass\'s init.What I mean is that the subclass\'s init should c
开发者_开发问答I want to declare a variable which holds a class which implements a specific interface.Specifically, I\'m trying to store a SocketChannel and a DatagramChannel in the same property so I
This question already has answers here: Closed 12 years ago. Possible Duplicate: How to have Moose return a child class instance instead of its own class, for polymorphism
加载中,请稍侯......