subclassing

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How to create the right subclass based on value in SQL row

I was feeling quite clever as I worked out how to create subclasses in C# for an ASP.NET project, then I found a problem - I didn\'t know how to create an object of the right subclass based on the res[详细]

2023-01-25 20:08 分类：问答
Do static objective-c classes have to subclass NSObject?

In my objective-c project, I have a weird, lets say, feature I have a class, like this: #import <Foundation/Foundation.h>[详细]

2023-01-23 12:51 分类：问答
Overriding a variadic method in objective-c

When subclassing in objective-c, how can I forward a call to the superclass in the case of a variadic method. By what should I replace the ??? below to send all the objects I got?[详细]

2023-01-20 14:16 分类：问答
What to consider before subclassing list?

I was recently going over a coding problem I was having and some开发者_运维问答one looking at the code said that subclassing list was bad (my problem was unrelated to that class). He said that you sho[详细]

2023-01-20 13:07 分类：问答
Subclassing tab control

What is the proper way to subclass a tab co开发者_开发百科ntrol in winAPI, having windows perform both the default drawing and your own. Because BeginPaint() and EndPaint() are calling within the defa[详细]

2023-01-19 13:22 分类：问答
How to keep an array sorted

I\'m refactoring a project that involves passing around a lot of arrays.Currently, each method that returns an array sorts it right before returning it.This isn\'t ideal for a couple reasons -- there\[详细]

2023-01-18 16:57 分类：问答
overriding PHP class methods referenced by non-overridden $this

So, I\'m having trouble with some php OO stuff. I think the code will explain it best: class foo { $someprop;[详细]

2023-01-17 02:51 分类：问答
Why does this line indefinitely repeat?

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ UITableViewCellFixed *cell = (UITableViewCellFixed *)[tableView cellForRowAtIndexPath:indexPath];[详细]

2023-01-16 15:39 分类：问答
Subclass/Superclass - If a subclass is cast as its superclass, is there a way to use the overloaded properties of the subclass?

Sorry if the title isn\'t very clear.This is a VB.NET (2010) question I have a superclass called \"Device\" which has a number of subclasses that inherit it.Some of those subclasses also have subclas[详细]

2023-01-16 13:36 分类：问答
Returning subclass object from superclass method

I keep coming back to variants of this problem: it probably has a very simple solution, but I can\'t seem to figure it out...[详细]

2023-01-14 16:44 分类：问答