In the root object (finalResult) iterate the array rankings let finalResult = try JSONDecoder().decode(Result2.self, from: data!) for myRanking in finalResult.rankings { print(myRanking.ranking) } 1 solved unable to extract value from struct using swift JSON Decoder
The UserDefaults class provides convenience methods for accessing common types such as floats, doubles, integers, Boolean values, and URLs. A default object must be a property list—that is, an instance of (or for collections, a combination of instances of) NSData, NSString, NSNumber, NSDate, NSArray, or NSDictionary. If you want to store any other type of … Read more
You can do it programatically this way: Swift 3+ let storyboard = UIStoryboard(name: “StoryboardName”, bundle: nil) let vc = storyboard.instantiateViewController(withIdentifier: “ViewControllerID”) as UIViewController present(vc, animated: true, completion: nil) 2 solved How do I programmatically pull up a different storyboard when a button is clicked in Swift 4? [duplicate]
You could do something like this : let str = “_h Hello _h _h World _h” let range = NSRange(str.startIndex…, in: str) let regex = try! NSRegularExpression(pattern: “(?<=_h).+?(?=_h)”) let matches = regex.matches(in: str, range: range) let results: [String] = matches.compactMap { match in let subStr = String(str[Range(match.range, in: str)!]).trimmingCharacters(in: .whitespacesAndNewlines) return subStr.isEmpty ? nil : … Read more
The first problem is that you don’t store the created picker view instance. You instantiate it inside of a function, assign the delegate and dataSource and then you don’t store it in your class. So the ARC (Automatic Reference Counting) releases it, because it thinks the instance is not longer needed. Just create a variable … Read more
Do like this, let startingViewController: PageContentViewController? = viewController(at: 0) let viewControllers: [UIViewController] = [startingViewController] pageViewController.setViewControllers(viewControllers, direction: .forward, animated: false) { _ in } 3 solved How to implement below code in swift
Your answer really isn’t ideal for stackoverflow since it’s not a direct problem your looking for help with, but instead a question of best practice. Check the code of conduct again. However you can do the following: (If you need those buttons to be instanced/complete right away) a) Create a private static function in your … Read more
First of all instead of giving each button segue for same view, i recommend you to use only one segue. One approach is to simply use a indicator int or string depending upon your logic in items table view and assign it accordingly in prepare for segue method by getting destinationVC. And handle the indicator … Read more
Is there any option in iOS app to adjust treble,bass and loud property of music running in another apps like SoundCloud? solved Is there any option in iOS app to adjust treble,bass and loud property of music running in another apps like SoundCloud?
Try this: func commmand(argument: String) -> String { let task:NSTask = NSTask() let pipe:NSPipe = NSPipe() task.launchPath = “/bin/menubar” task.arguments = [argument] task.standardOutput = pipe task.launch() let handle = pipe.fileHandleForReading let data = handle.readDataToEndOfFile() let result_s = String(data: data, encoding: NSUTF8StringEncoding)! return result_s } print(commmand(“getip”)) 2 solved Swift NStask function
I would check the last modified field in the HTTP header. The steps would be as follows : Check the current modified field for a webpage. Store that date into a variable or persist it somewhere. At a future date check the webpage’s last modified field once more. Compare the old value to the new … Read more
First of all the parameters red,green, blue and alpha must be in range from 0.0 to 1.0 Secondly, you must pass the cgColor to CGLayer, e.g. let color = UIColor(red: 57.0/255.0, green: 65.0/255.0, blue: 101.0/255.0, alpha: 1) shapeLayer.fillColor = color.cgColor shapeLayer.strokeColor = color.cgColor solved Using UIColor with CAShapeLayer
Auto Layout dynamically calculates the size and position of all the views in your view hierarchy, based on constraints placed on those views. For example, you can constrain a button so that it is horizontally centered with an Image view and so that the button’s top edge always remains 8 points below the image’s bottom. … Read more
Ok i figured it out. So i am answering that for anyone who’s tackling the same problem. I have used Both, Outlet Collection and Tags. I used tags with same number for grouping. And used the Outlet collection to loop on all buttons which are related to the chosen tag. Thank you solved Grouping of … Read more
Sure: if let driverId = defaults.string(forKey: “driverId”) { // use driverId } solved swift syntax, check for nil before unwrapping [duplicate]