instance-variables

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Defining __repr__(self) to be created dynamically in python

I have a class class FooBar(object): def __repr__(self): pass and I want to implement the __repr__ function. Since I am using FooBar as sort of a handy container and I add some attributes dynamical[详细]

2023-03-18 02:01 分类：问答
how to reference (sub)components in Sencha Touch after a initial setup?

I\'m trying to create a webapp with sencha. I\'ve already tweaked a lot of examples and the framework is startiong to make sense to me. There are two major things I keep bumping into though.[详细]

2023-03-17 15:23 分类：问答
public objects and use of property

I\'m a bit confused; if an object is declared in the .h file it is considered automatically as \"public\" right? We use a @property in the .h file, however, to edit them? This is where I don\'t unders[详细]

2023-03-16 14:54 分类：问答
referencing instance names from linked class in AS3

I\'ve got a linked class, with an external .as file, tied to a movie clip called \"Menu\" in an encompassingfla. In this actionscript file, I am trying to pull some information from a few things I mad[详细]

2023-03-16 06:48 分类：问答
New instance of a UIViewController within another UIViewController: Why can't I set an instance variable?

So I have a UIViewController subclass called MyTabBarViewController that has a UIScrollView. Inside of MyTabBarViewController I\'m creating an instance of another UIViewController subclass called Phot[详细]

2023-03-16 01:02 分类：问答
Objective C instance variable initialization in a method

Did any body get this issue? If I need an instance variable, not as a property, and initialize this variable in a method, then when I need it, it is already released. It happens for autoreleased objec[详细]

2023-03-15 18:17 分类：问答
Class Objects and Instance Variables in Objective-C

I\'m having a hard time wrapping my head around this concept. I\'ll take the quote exactly from the book:[详细]

2023-03-15 09:53 分类：问答
Objective C's Instance Variables, why should I declare them?

I\'m having a hard time understanding why I need to declare Instance Variables. Let me explain what I mean..[详细]

2023-03-15 08:35 分类：问答
Rails -- self vs. @

I am following Michael Hartl\'s RoR tutorial, and it is covering the basics of password encryption. This is the User model as it currently stands:[详细]

2023-03-12 17:06 分类：问答
Class Variables

Explain please, I can not understand. class Foo @a = 123 @@b = 123 end What are the advantages of variable objects-classes and the class variables? When shou开发者_如何转开发ld I use first, and in[详细]

2023-03-11 16:03 分类：问答