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  1. Swift: print () vs println () vs NSLog () - Stack Overflow

    2014年9月20日 · Back in Swift 1.x, print did not add newline characters at the end of the printed string, whereas println did. But nowadays, print always adds the newline character at the end …

  2. What is the "some" keyword in Swift (UI)? - Stack Overflow

    2019年6月3日 · Swift 5.1 does not appear to have some as a keyword, and I don't see what else the word some could be doing there, since it goes where the type usually goes. Is there a new, …

  3. bash - How do I run a terminal command in a Swift script? (e.g ...

    I want to replace my CI bash scripts with swift. I can't figure out how to invoke normal terminal command such as ls or xcodebuild #!/usr/bin/env xcrun swift import Foundation // Works …

  4. How do I get the App version and build number using Swift?

    I have an IOS app with an Azure back-end, and would like to log certain events, like logins and which versions of the app users are running. How can I return the version and build number …

  5. xcode - Swift: Understanding // MARK - Stack Overflow

    What is the purpose of writing comments in Swift as: // MARK: This is a comment When you can also do: // This is a comment What does the // MARK achieve?

  6. How can I use Timer (formerly NSTimer) in Swift? - Stack Overflow

    The renaming happened in Swift and other answers already have done the update...

  7. Simplest way to throw an error/exception with a custom message …

    I want to do something in Swift that I'm used to doing in multiple other languages: throw a runtime exception with a custom message. For example (in Java): throw new …

  8. How do I open a file in Swift? - Stack Overflow

    2014年6月10日 · The Swift standard library does not include this functionality. The standard library mainly contains data structures, low-level types and calls, and semi-built-in language …

  9. syntax - Swift make method parameter mutable? - Stack Overflow

    2014年6月6日 · As stated in other answers, as of Swift 3 placing var before a variable has been deprecated. Though not stated in other answers is the ability to declare an inout parameter. …

  10. Get nth character of a string in Swift - Stack Overflow

    The swift string class does not provide the ability to get a character at a specific index because of its native support for UTF characters. The variable length of a UTF character in memory …