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What is the difference between my_hash.compact and my_hash.compact! ?
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What is the output of the following Ruby code? `numbers = [1, 2, 3, 4, 5]`
`numbers.each { |n| puts n }`
`numbers.map { |n| puts n }`1
What is the output of the following code?
class A
def method1
puts 'method1'
end
private
def method3
puts 'method3'
end
end
obj = A.new
obj.method1
obj.method30
Write a Ruby program that prints the sum of two numbers0
Call a method only if the caller is not null.,Does the same thing as `@my_object.try!(:my_method)`.0
What is the difference between include, extend and prepend in Ruby?1
How to change the value of a string in Ruby2
What is the output of the following code?
class Person
attr_accessor :name
end
person = Person.new
person.name = 'John'
puts person.name