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Support for the Ruby 2.2 series will end March 2018. See here for reference.


Repetition — With a String argument, equivalent to ary.join(str). Otherwise, returns a new array built by concatenating the int copies of self.


5 Arrays. 6 Strings. 7 Numbers (Integers and Floats). 8 Additional String Methods. Ruby Data Types.


Is there a way to iterate over the chars in ruby and convert each of them to_i or even have the string be represented as a char array as in Java, and then convert all chars to_i. As you can see, I do not have a delimiter as such , in the String, all other answers I found on SO included a delimiting char.


Conver int Array into a String. ruby Converting a Ruby String to an Array. Define a Class.


For example, let’s say you have a string of digits “123456789” or an integer 123456789 and need to convert it into the array [1, 2, 3, 4, 5, 6, 7, 8, 9], where each array object is an integer. How would you do it in Ruby? Here is the answer I found to be most effective.


Ruby arrays can hold objects such as String, Integer, Fixnum, Hash, Symbol, even other Array objects.


Email Sign Up or sign in with. Google. Facebook. Ruby array to string conversion. Ask Question. up vote 132 down vote favorite.


shorter to write it this way: str_array = int_array.map(&:to_s) the "&:" means call the "to_s" method on every element of the array. and "map" is a shorter synonym for "collect" – Rob Dec 6 '12 at 21:03.