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I know how to generate numbers with Rails but I don’t know how to generate negative numbers?
prng.rand(1..6) for random of [1, 2, 3, 4, 5, 6]
Random doc says that you would get an ArgumentError.
Let’s say you want to generate a number between a and b you can always do that using this formula:
So if you want a number between -8 and +7 for example then a=-8 and b=7 and your code would be
which is equivalent to