short circuit evaluation
Ruby doesn’t look at both expressions unless it has to; if it sees
false && true
it stops reading as soon as it sees && because it knows false && anything must be false.
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Ruby doesn’t look at both expressions unless it has to; if it sees
false && true
it stops reading as soon as it sees && because it knows false && anything must be false.
I am learning sorting algorithms these days. And to me merge sort looks simple than other sorts. (There are merge sort, insertion sort, quick sort, selection sort, bubble sort, et cetera.) I thought I should try to write it in Ruby. The... Continue →