Once the grid goes down, an old programming language called Forth—and a new operating system called Collapse OS—may be our only salvation.

DeMaisonneuve College in Montreal, Canada, will be offering an "Intro to Mac OS X Programming" class in November or early December. The exact dates and times will be determined by the demand.

Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.