class-cluster
Is subclassing NSNotification the right route if I want to add typed properties?
I am trying to subclass NSNotification. Apple\'s docs for NSNotificationstate the followi开发者_开发问答ng:[详细]
2023-04-08 14:25 分类：问答Objective-C class clusters and private class initializers
Ordinarily, being a good Cocoa citizen, I write my initializers returning type id (i.e. pointer to generic object) for easier subclassing later (though 99% of time I do not need that).[详细]
2023-04-02 04:54 分类：问答Objective C - Subclassing NSArray
I am trying to subclass NSArray, but it crashes the app when trying to开发者_StackOverflow access the count method. I know that NSArray is aclass cluster.[详细]
2023-01-28 15:44 分类：问答How to create a "class cluster" (factory class with instances of concrete subclasses) in Ruby?
I would like to create an abstract class which will create concrete instances depending on initialization parameter. Example:[详细]
2023-01-22 09:03 分类：问答Class cluster initialization
My iPhone app has an abstract class WorkingView.It is a subclass of UIView.WorkingView will in turn have a bunch of concrete subclasses.Two of those will be SimplifyView and MultiplyView.[详细]
2023-01-13 05:21 分类：问答"out of scope" error when iterating an NSMutableArray
Why am I getting an \"out of scope\" error whenever I try to access the \"url\" variable in this loop?[详细]
2022-12-31 04:37 分类：问答What exactly is a so called "Class Cluster" in Objective-C?
I was reading 开发者_如何学编程that NSArray is just such a thing. Sounds heavy. I have 7 really fat books here on my desk about Objective-C, Cocoa and C. None of them mention Class Cluster at all, at[详细]
2022-12-13 01:03 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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