In object-oriented programming with classes, an instance variable is a variable defined in a class (i.e. a member variable), for which each object of the class has a separate copy.
New to Rails and trying to get my head around when/why to use :symbols, @ivars , "strings" within the framework. …
ruby-on-rails ruby string symbols instance-variablesI have a Ruby class. I want to get an instance variable from an argument to a method in that …
ruby-on-rails ruby instance-variablesHere is a bit of code from M Hartl's Ruby on Rails Tutorial. Can anyone explain why an instance variable (@…
ruby-on-rails ruby ruby-on-rails-3 rspec instance-variablesI see it recommended all over the place when coding for iOS that properties should be used for accessing instance …
objective-c ios properties instance-variablesI'm curious is there is anyway to call a method inside your init method that sets instance properties of the …
swift instance-variables initHow does python differentiate a class attribute, instance attribute, and method when the names are the same? class Exam(object): …
python methods instance-variables class-attributesI want to create an instance variable in a controller to be used in the view: foo = "bar" instance_variable_…
ruby instance-variablesI have a decent level of programming, and get much value from the community here. However I have never had …
python class instance instance-variables python-attrsIs it possible to define properties that are only available to the class they are defined in, and that class's …
objective-c properties protected instance-variablesI understand (I think) the difference between class variables and instance variables of a class in Ruby. I'm wondering how …
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