WTF is an Optional in Swift ?
Alex Rivers
Long story short, it helps you with the turning nothingness into somethingness, or at least simulates a sort of nothingness. In most languages out there like C#, if a variable…
Computer Science
WTF is are Stacks, Queues, and Deques ?
Stack A stack is a stack of books, or a stack of sandbags or a stack of elephants or even a stack of unicorns. Basically a stack is anything that…