Can't always access value of instance variable without @ even with attr_accessor
6900
Why do Ruby setters need "self." qualification within the class?
41345
Why use "self" to access ActiveRecord/Rails model properties?
13936
What is the difference between class and instance attributes?
122000
where instance variables get initialized
122578
__NSArrayM insertObject:atIndex:]; object cannot be nil
122570
Ruby class instance variable vs. class variable
83647
In Ruby is it possible to create a local variable explicitly
51180
Change Attribute's parameter at runtime
56789
Getting the class name of an instance?
3796
How does an underscore in front of a variable in a cocoa objective-c class work?
5846
Python : Assert that variable is instance method?
141386
What are <-- Ruby Strings called? And how do I insert variables in them?
94797
Is the single underscore "_" a built-in variable in Python?
9714
Why does `instanceof` error rather than return `false` when used for 2 incompatible classes?
149374
Read the value of an attribute of a method
27902
What is the purpose of the single underscore "_" variable in Python?
100070
How do I implement __getattribute__ without an infinite recursion error?