As answered by Rob, I’ve moved the code from viewDidLoad to viewDidAppear and the problem is fixed. OR Adding self.view.layoutIfNeeded() before your code in viewDidLoad also solves the issue. In case of UITableViewCell, Inside awakeFromNib add [self layoutIfNeeded]; before updating the corner radius should solve all the issues.
Access modifiers in Swift are implemented differently than other languages. There are three levels: private: accessible only within that particular file internal: accessible only within the module (project) public: accessible from anywhere Unless marked otherwise, everything you write is internal by default. The Swift blog had a post about access control when the features were … Read more
The compiler is telling you that you can’t use an if let because it’s totally unnecessary. You don’t have any optionals to unwrap: URL is not optional, and the absoluteString property isn’t optional either. if let is used exclusively to unwrap optionals. If you want to create a new constant named url, just do it: … Read more
All it really means is that if statements now support pattern matching like switch statements already have. For example, the following is now a valid way of using if/else if/else statements to “switch” over the cases of an enum. enum TestEnum { case One case Two case Three } let state = TestEnum.Three if case … Read more
Update for Swift 2: All integer types have an public init?(_ text: String, radix: Int = default) method now, which converts a string to an integer according to a given base: let binary = “11001” if let number = Int(binary, radix: 2) { print(number) // Output: 25 } (Previous answer:) You can simply use the … Read more
Swift 4.2 Since Swift 4.2 you can use the following syntax: { [weak self] in guard let self = self else { return } // self is not an optional anymore, it is held strongly } For more see the Swift evolution proposal SE-0079. Sometimes other approaches than using guard let might be useful as … Read more
I just answered a similar question on SO and thought I can provide a more concise solution: Swift 2 func split(str: String, _ count: Int) -> [String] { return 0.stride(to: str.characters.count, by: count).map { i -> String in let startIndex = str.startIndex.advancedBy(i) let endIndex = startIndex.advancedBy(count, limit: str.endIndex) return str[startIndex..<endIndex] } } Swift 3 func … Read more