instance-variables

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Better way to convert several instance variables into hash with ruby?

I\'m getting a response in the format of #<Response:0x000...@first = \"Charlie\", @last=Kelly, ....[详细]

2023-04-10 02:05 分类：问答
Why are instance variables in Java always private?

I\'m newbie to Java and I\'m learning about encapsulation and saw an example where instance variables are declared as private in a class.[详细]

2023-04-09 16:30 分类：问答
Instance value in view is diplayed after page refresh(Production)

I\'m using rails 2.3.4 & ruby 1.8.7 I\'m trying to print a instance variable in my application. The instance variable is getting initialized in a method in deal_portal/base_controller.rb, while[详细]

2023-04-08 05:32 分类：问答
How does an Objective-C method have access to the callee's ivars?

I was reading Apple\'s documentation, The Ob开发者_如何学Gojective-C Programming Language (PDF link). On pg. 18, under The Receiver’s Instance Variables, I saw this.[详细]

2023-04-06 21:44 分类：问答
Pass parameter by reference vs use Instance variable

I started to read a book about C++ and found the following code. It is an example on how you can send pass parameters by reference.[详细]

2023-04-05 03:51 分类：问答
instance variable, class variable and the difference between them in ruby

I am having a hard time understanding instance variable, class variable and the difference between them in ruby... can someone explain them to me? I have done tons of Google searches, just can\'t unde[详细]

2023-04-02 20:18 分类：问答
Where should I alloc/init my ivar?

If I know that I\'m going to use the ivar should I alloc/init it in viewDidLoad like: if (allPeople_ == nil)[详细]

2023-03-30 20:32 分类：问答
How to access @private instance variable using category in Objective-C?

As it states in the Apple\'s documentation: http://developer.apple.com/library/mac/#documentation/cocoa/Conceptual/ObjectiveC/Chapters/ocCategories.html#//apple_ref/doc/uid/TP30001163-CH20-SW1[详细]

2023-03-30 03:08 分类：问答
NSMutableArray as an Instance Variable

I have a instance variable which is a NSMutableArray @interface SummaryWindowController : NSWindowController {[详细]

2023-03-29 17:41 分类：问答
Using link_to with an instance variable and arguments

I am trying to render a comments partial to use with both the blog and video models.Here\'s the blog show page asking for the comments partial and passing @blog as the model (I will pass @video on the[详细]

2023-03-29 12:30 分类：问答