Dec 17, 2014 · there are possibilities to use gcd for periodic tasks which are described in this article from the apple developer documentation but i would recommend using a NSTimer for …

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 …

May 17, 2015 · Is there a way to call C routines from Swift? A lot of iOS / Apple libraries are C only and I'd still like to be able to call those. For example, I'd like to be able to call the objc …

Jun 3, 2014 · I realize the Swift book provided an implementation of a random number generator. Is the best practice to copy and paste this implementation? Or is there a library that does this …

Jun 3, 2014 · The Swift compiler does not include a preprocessor. Instead, it takes advantage of compile-time attributes, build configurations, and language features to accomplish the same …

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 …

Jun 3, 2014 · I read The Programming Language Swift by Apple in iBooks, but cannot figure out how to make an HTTP request (something like cURL) in Swift. Do I need to import Obj-C …

Dec 7, 2014 · With Swift 5, according to your needs, you can choose one of the 9 following styles in order to have a rounded result from a Double.

To add to the solutions suggesting append, it's useful to know that this is an amortised constant time operation in many cases: Complexity: Amortized O (1) unless self's storage is shared with …

Jun 16, 2020 · I have a Swift dictionary. I want to get my key's value. Object for key method is not working for me. How do you get the value for a dictionary's key? This is my dictionary: var …