In what sort of situation is the code: module M extend self def greet puts \"hello\"开发者_JS百科 end
This question already has answers here: What is better? Static methods OR Instance methods (7 answers) Closed 9 years ago.
This question is similar to Why are methods in Ruby documentation preceded by a hash sign? I understand why in Ruby instance methods are proceeded with a pound sign, helping to differentiate talking
Is it ever acceptable for a DTO to have instance methods which return derived values based on the DTO\'s data?Or should DTOs be pure data containers with no additional methods (other than getters/sett
Let\'s say I have this program: class Foo { public: unsigned int bar () { static unsigned int counter = 0;
In a project I\'m creating, I have various classes. One of my classes has a开发者_高级运维n instance of NSMutableArray that holds objects of another one of my classes. I thought I had a firm understan
This question already has answers here: Meaning of @classmethod and @staticmethod for beginner [duplicate]
加载中,请稍侯......