Class vs Instance methods - when to use self.some_method
# http://bagwanpankaj.com/metaprogramming-in-rails
class Testt
end
Testt.class_eval do
def foo
"I'll be available as instance method"
end
def self.foo
"I'll be available as class method"
end
end
Testt.new().foo
=> "I'll be available as instance method"
Testt.foo
=>"I be available as class method"