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What is the difference between "each" and "map" ?
Author: HivebriteStatus: PublishedQuestion passed 283 times
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Call a method only if the caller is not null.,Does the same thing as `@my_object.try!(:my_method)`.2
What is the output of the following code?
class Person
attr_accessor :name
end
person = Person.new
person.name = 'John'
puts person.name
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What is the difference between include, extend and prepend in Ruby?0
Define a class foobar that inherits from Array and has a method foo.