class-variables

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Emulating public/protected static vars in Objective-C

The top voted answer to this SA question (Objective C Static Class Level variables ) outlines my question quite well but to it, I\'d like to add one m开发者_开发问答ore criteria:[详细]

2023-04-03 02:34 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
Accessing object variable via double dollar sign

I\'m building a class in order to get variables form another php files conveniently. Problem is that I\'m using double dollar sign in order to get create $variable_name => $$varible_real_value styled[详细]

2023-04-02 02:36 分类：问答
What can't I access class variable from object in ruby?

I wan\'t to set a class variable of a class from the outside(via attr_accessor), and then access it from inside one of its objects. I\'m using ruby 1.9.2. This is my code:[详细]

2023-03-31 10:29 分类：问答
Access a module's class variables inside a class in Ruby

I have a module with a class variable in it module Abc @@variable = \"huhu\" def self.get_variable @@variable[详细]

2023-03-23 14:46 分类：问答
How to change a Ruby Class Variable value

I\'m new to Ruby and I what I want to do开发者_JAVA百科 is the following class WS< ActiveRecord::Base[详细]

2023-03-23 01:57 分类：问答
Where are static class variables stored in memory?

This is a follow-up question to How are static arrays stored in Java memory? . So global variables in C/C++ are stored in the static data segment of memory. But what about static class variables in J[详细]

2023-03-19 17:31 分类：问答
why does this code not work for referencing a const from a class?

why does this code not work for referencing a const from a class? Background: I want to be able to reference a constant value from a class in a class variable type approach, as this is where it makes[详细]

2023-03-13 19:22 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
Is there a better way of doing class_eval() to extract class variables, in Ruby?

I personally don\'t have anything against this, apart from the fact that\'s is long, but what really bothers me is the word eval.[详细]

2023-03-10 10:42 分类：问答