Jun 17, 2015 · Swift needs a convention for saying what the name of a function is, including not only the function name itself (before the parentheses) but also the external names of the …

8 Swift’s nil is not the same as nil in Objective-C. In Objective-C, nil is a pointer to a non-existent object. In Swift, nil is not a pointer—it is the absence of a value of a certain type. Optionals of …

May 6, 2016 · The entry point in a plain Swift module is the file in the module called main.swift. main.swift is the only file which is allowed to have expressions and statements at the top level …

Jun 4, 2014 · How to concatenate string in Swift? In Objective-C we do like NSString *string = @"Swift"; NSString *resultStr = [string stringByAppendingString:@" is a new Programming …

Apr 17, 2016 · With the release of Swift 3.0 being available for Mac OS and Windows, does this mean you can compile and run Swift code on Windows? If so what compiler do you use for …

Nov 7, 2014 · I'm new to swift 3 extensions. If a library modifies String, and I also modify String, is it possible to get collisions? What if future versions of swift ad a trim () method? So.. basically.. …

I have a new Swift project with a few files, I've needed to add some Objc code. In Build Settings, my Objective-C Generated Interface Header Name is MyProject-Swift.h Product Module Name …

I have a (somewhat?) basic question regarding time conversions in Swift. I have an integer that I would like converted into Hours / Minutes / Seconds. Example: Int = 27005 would give me: 7 …

Aug 2, 2014 · Swift's timeIntervalSince1970 returns seconds with what's documented as "sub-millisecond" precision, which I've observed to mean usually microseconds but sometimes one …

Swift 3.0, 4.0 There are mainly two ways of checking optional for nil. Here are examples with comparison between them 1. if let if let is the most basic way to check optional for nil. Other …