I do get an error when i assign measureLabel.inputAccessoryView = toolbar Cannot assign to property: ‘inputAccessoryView’ is a get-only property. My picker view appears on label press . how to solve ? Powered by WPeMatico
Tag: swift
In my opinion, assertionFailure will be ignored in release build. But when I run codes below in release mode, assertionFailure can run and stop the program. Why? Codes: enum MessageType: RawRepresentable { case news case unknownMessageType(value: String) init?(rawValue: String) { …
Hi. Where is number (in the statement return number < 10) coming from? func hasAnyMatches(list: [Int], condition: (Int) -> Bool) -> Bool { for item in list { if condition(item) { return true } } return false }…
I have been looking everywhere for a good video on how to make constraints for your app in Xcode but I can’t find one. How am I able to make constraints for buttons/labels that will make them stay in place for ALL iPhone devices?? Powered…
Hi, I’m using Firebase to store my users in database. How do I retrieve users that the current user follows? for example in this tree: users * 8nMO2lwPZVZli2GvPHfqON2rcom1 * a fan * -LS5523ROQP4ihY4Jp9n: uid * email: * fans * -LS54mamUjIp8ivX-8uQ: uid * -LS54ypCiWP1BCyRD6Uq: uid *…
Hi developers is there any chanse to disable Zoom-Out & Zoom-In in WkWebView? here’s all my code so far keep in mind i’m only displaying a web in webView i don’t have any other functions
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import UIKit import WebKit class ViewController: UIViewController, WKNavigationDelegate { @IBOutlet var webView: WKWebView! override func viewDidLoad() { super.viewDidLoad() displayWebPage() let preferences = WKPreferences() preferences.javaScriptEnabled = true let configuration = WKWebViewConfiguration() configuration.preferences = preferences let webView = WKWebView(frame: .zero, configuration: configuration) // Do any additional setup after loading the view, typically from a nib. } private func displayWebPage() { let url = URL(string: "hee hee") let request = URLRequest(url: url!) webView.navigationDelegate = self webView.load(request) webView.sizeToFit() } func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) { print(error) } } |
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Hi. What does .2 mean in print(statistic.2) in this code: func calculateStatistics(scores: [Int]) -> (min: Int, max: Int, sum: Int) { var min = scores[0] var max = scores[0] var sum = 0 for score in scores { …
After seveal years with Swift, I still find it hard to use the if case let or while case let, even worse with opotional pattern if case let x?. So, I would like to find an expression to “speak” case let more naturally. Presently,…
I have firebase auth on my app, but I don’t understand what the code is doing. This is the code for password auth: import UIKit import Firebase import FirebaseAuth class passwordAuth: UIViewController{ //MARK: Properties @IBOutlet weak var emailSignIn: UITextField! @IBOutlet weak…
Hi everyone, So I have a ViewController, inside it i have a TableView and at the bottom of it a View that contains a TextField and a Button. When the keyboard appears I tried to put the View at the bottom just above…