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What's the best way to convert this
[[["Club three Team one", 7800], ["Club three Team two", 7801]], [], [["Club four Team one", 7807], ["Club four Team two", 7808]], []] into
[["Club three Team one", 7800], ["Club three Team two", 7801], ["Club four Team one", 7807], ["Club four Team two", 7808]] in ruby? flatten converts this all the way down to
["Club three Team one", 7303, "Club three Team two", 7304, "Club four Team one", 7310, "Club four Team two", 7311] 
886
To flatten an array means to reduce the dimensionality of an array. In simpler terms, it means reducing a multidimensional array to a specific dimension. let arr = [[1, 2],[3, 4],[5, 6, 7, 8, 9],[10, 11, 12]]; and we need to return a new flat array with all the elements of the nested arrays in their original order.
use flatten(1) http://apidock.com/ruby/Array/flatten
your_array = [[["Club three Team one", 7800], ["Club three Team two", 7801]], [], [["Club four Team one", 7807], ["Club four Team two", 7808]], []] your_array.flatten(1) #=> [["Club three Team one", 7800], ["Club three Team two", 7801], ["Club four Team one", 7807], ["Club four Team two", 7808]] If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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