WebbIf you have to reverse a string in that manner, you should do something like the following: "12,16,5,9,11,5,4".split (",").reverse.join (",") # => "4,5,11,9,5,16,12". +1. The OP could use array.inspect to see whether it's an array or a string. Webb6 dec. 2024 · Array#reverse () : reverse () is a Array class method which returns a new array containing self’s elements in reverse order. Syntax: Array.reverse () Parameter: …

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WebbThe reverse! method in Ruby can be used to permanently reverse an array. A similar method, reverse, only returns a copy of the reversed array but does not change the array … WebbLearn to Use the Sort & Sort! Ruby Methods. The most basic form of sorting is provided by the Ruby sort method, which is defined by the Enumerable module. Let’s see an example: … cgd jethro

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Webb3 jan. 2024 · Iterate Through a Ruby Array Using the reverse_each Method As the name implies, this works like the each method but in reverse order. Example Codes: fruits = … Webb10 juni 2014 · However, Ruby makes it a cinch. You can use the Array#reverse method to reverse the order of the elements in the array before iterating over them. disney = %w … Webb25 jan. 2024 · # reverse () method in Ruby # array declaration first_arr = [18, 22, 33, nil, 7, 6] # array declaration second_arr = [1, 5, 1, 3, 88, 9] # array declaration third_arr = [18, 22, … cg dj gana remix