Problem Is there a better way to write this? This is a class that displays a preferences menu. We do […]
Category: Swift
Efficient way of flat mapping a range of a multidimensional random access collection
Problem I’ve recently answered a question about reading elements from an array of arrays. A way it could be interpreted […]
Initiating Child ViewController from UIStoryBoard in iOS
Problem I’m trying to use inheritance in UIViewController where base class has XIB in storyboard. I’m troubling with initiating different […]
Frontmost window of the current application that passes a predicate check
Problem After resigning active state (going to the background), the mainWindow property of the main window in the app returns […]
Passing an NSManagedObjectContext
Problem I’ve been experimenting with how to pass my managed object context throughout my application in Core Data and I […]
Extension vs Class For ViewModel
Problem What the advantages & disadvantages to each of these approaches pertaining to creating file that takes care of the […]
Unwrapping optional properties from an optional array of objects
Problem I’m currently working with an SDK where methods return an optional array of objects with optional properties. Only the […]
Core location background update and upload to server
Problem I want to upload a user’s location to a server to send them a location-sensitive alert, so the location […]
Checking whether two values are isomorphic in Swift
Problem Working through a book problem Write a function that accepts two values and returns true if they are isomorphic. […]
Swift: arrayToTree() where array contains int and nil
Problem I am learning tree on Leetcode. Need to prepare the testing data. It is easy to convert the array […]