Any way to replace characters on Swift String?
I am looking for a way to replace characters in a Swift String. Example: “This is my string” I would like to replace … Read more
swift
How to check if an element is in an array
In Swift, how can I check if an element exists in an array? Xcode does not have any suggestions for contain, include, or … Read more
Why are emoji characters like 👩👩👧👦 treated so strangely in Swift strings?
The character 👩👩👧👦 (family with two women, one girl, and one boy) is encoded as such: U+1F469 WOMAN, U+200D ZWJ, U+1F469 WOMAN, U+200D … Read more
dispatch_after – GCD in Swift?
I’ve gone through the iBook from Apple, and couldn’t find any definition of it: Can someone explain the structure of dispatch_after? dispatch_after(<#when: dispatch_time_t#>, … Read more
How to enumerate an enum with String type?
enum Suit: String { case spades = “♠” case hearts = “♥” case diamonds = “♦” case clubs = “♣” } For example, … Read more
UIScrollView Scrollable Content Size Ambiguity
Fellow devs, I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7). It’s very basic and important so I … Read more
Using a dispatch_once singleton model in Swift
I’m trying to work out an appropriate singleton model for usage in Swift. So far, I’ve been able to get a non-thread safe … Read more
How can I make a weak protocol reference in ‘pure’ Swift (without @objc)
weak references don’t seem to work in Swift unless a protocol is declared as @objc, which I don’t want in a pure Swift … Read more
How do I check if a string contains another string in Swift?
In Objective-C the code to check for a substring in an NSString is: NSString *string = @”hello Swift”; NSRange textRange =[string rangeOfString:@”Swift”]; if(textRange.location … Read more
Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties. class imageFile { var fileName = String() var … Read more