subclass

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why the subclass of NSMenu not responding?

I created a menu resource in a separate xib file, made it to be a subclass NSMenu like the following, and the file\'s owner to be the StatusMenu[详细]

2023-03-09 22:22 分类：问答
Inherit from two classes

I am creating an universal iOS app, i.e. it will run on the iPhone and iPad. I now have a UIViewController that will be displayed on both, but differently. On the iPhone, it will contain a UITableView[详细]

2023-03-09 15:23 分类：问答
how to call child method from parent reference?

I have a superclass called DataItem and it has multiple children and the children have children too. I dynamically set the object type but in the end the type reference is DataItem. Here is the code I[详细]

2023-03-09 13:03 分类：问答
Is it possible to subclass the immutable date class and override the __str__ method?

I am trying to subclass the immutable date class in Python, but I also need to override the __str__ method. So far, I have the following:[详细]

2023-03-09 09:44 分类：问答
some Numpy functions return ndarray instead of my subclass

I am subclassing Numpy\'s ndarray class, adding some meta-data and additional methods. I\'mtrying to follow the instructions in this article and that one. However, some Numpy (or Scipy) functions retu[详细]

2023-03-09 06:58 分类：问答
How do I subclass UITextField and override drawPlaceholderInRect to change Placeholder color

I have a 3 UITextField with placeholder text set. On one of the UITextField I want the placeholder text to be red.[详细]

2023-03-08 15:21 分类：问答
Why won't Javadoc make my subclasses inherit documentation from Java's classes?

I\'ve been searching for an answer for several months and I have tried multiple things, including unzipping the Compressed folder src.zip and using it as a parameter for Javadoc (for example: javadoc[详细]

2023-03-08 07:05 分类：问答
Link the IBOutlets when creating an instance of UIView using a NIB file

I have created a UIView object using the contents of a NIB file like this: self.results = [[[NSBun开发者_如何学Cdle mainBundle] loadNibNamed:@\"ResultsView\" owner:self options:nil] lastObject];[详细]

2023-03-07 20:25 分类：问答
How can I cleanly design a parallel inheritance structure in C#?

I have 2 sets of 2 classes where each pair has a super/sub-class relationship, and the开发者_运维技巧 orthogonal pair has a dependency relationship. What I am trying to determine is what to do with th[详细]

2023-03-06 14:38 分类：问答
Subclassing UIView in a map to draw lines

I have an app that displays custom maps. I use a CATiledView to display the maps. I would like to be able to draw a route over the top of the maps. To do this, I am creating a UIView then adding it t[详细]

2023-03-06 10:58 分类：问答