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In Swift, methods that throw errors will have the keyword throws on the end of them. func save() throws We must put calls to functions like »
The coordinate system is not cartesian based starting in the lower left corner. In iOS the origin is the upper left corner. * (500, 35) is right »
UserDefaults is essentially a very tiny light weight database that persists between launchings of the app. It's great for things like "settings" and such, not for gate.io
Init methods are funky. Init methods are not so common because properties can have their defaults set using "=" or using lazy instantiation. So When Do We »