If you are interested in functional programming as many of our craftspeople are, you will have heard talk about tail recursion. Tail recursion refers to a recursive function call that has been made from tail position. When a function call is in tail position it...
Any of us who has programmed in a language that permits null references will have experienced what happens when you try to dereference one. Whether it results in a segfault or a NullPointerException, it’s always a bug. Tony Hoare described it as his billion-dollar mistake....
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