If you know that an optional Int property in a Swift class you are writing is never accessed when it might be nil, and you declare the property as an implicitly unwrapped optional, how much shorter (in characters) will the resulting code file be if the property is defined once and used 4 times.

In the film "epic 2015," epic is the name for:

What statement best describes operating systems? it’s possible for modern computers to function without operating systems. most operating systems are free or very inexpensive. operating systems are managed by the computer’s microprocessor (cpu). operating systems manage the computer’s random access memory (ram).

Sports and entertainment class, your goal is to increase attendance and make a profit for a game by getting your team on a winning track with total salaries less than $3,000,000