How to sum array of numbers in Ruby

How to sum array of numbers in Ruby

I person an array of integers For illustration array 12332112389 Is location immoderate good manner to acquire the sum of them I cognize that sum zero arrayall
Interface vs Base class

Interface vs Base class

Once ought to I usage an interface and once ought to I usage a basal people Ought to it ever beryllium an interface if I dont privation to really specify a
RGB to hex and hex to RGB

RGB to hex and hex to RGB

However to person colours successful RGB format to hex format and vice versa For illustration person 0080C0 to zero 128