tags:

views:

25

answers:

1
+1  Q: 

In Ruby on Rails, how is view code able to use instance variables that are set inside the controller code?

In Ruby on Rails, how is an ActionView object able to access the instance variables of ActionController object (how is view code able to use instance variables that are set inside the controller code)?

A: 

It isn't. The controller creates fresh instance variables inside the view object, based on the instance variables in the controller

Gareth  2010-06-16 21:51:46
i assume it is just duplicate references, not cloning objects? how do you create new instance variables in another object?
動靜能量  2010-06-16 23:00:52

related questions

How to keep track of the references to an object?
When should you use 'friend' in C++?
Overiding the equals method vs creating a new method
Making one interface overwrite a method it inherits from another interface in PHP
What are the correct stencils for object relational diagramming in visio?
Is Single Responsibility Principle a rule of OOP?
Expression Evaluation and Tree Walking using polymorphism? (ala Steve Yegge)
Access to global application settings
Inheritance and Polymorphism - Ease of use vs Purity
Do you name controls on forms using the same convention as a private variable?
How do you create a static class in C++?
How do you create objects in Perl?
Why all the Active Record hate?
When is OOP better suited for?
Accessing a CONST attribute of series of Classes
Multi-Paradigm Languages
Speed Comparisons - Procedural vs. OO in interpreted languages
pass by reference or pass by value?
How to Think in OO
Using object property as default for method property
Adding a Method to an Existing Object
Object Oriented vs Relational Databases
Class views in Django
C++: Should I use nested classes in this case?
How would you access Object properties from within an object method?