Opening a url is failing in Swift breakpointing inside the callback and logging success shows false. I added itms-apps to my plist: LSApplicationQueriesSchemes and put this in my app delegate: func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool { return true } func moreTapped() { let url = NSURL(string: "itms-apps://itunes.com/developer/quantum-productions/id979315877") if #available(iOS 10.0, *) { UIApplication.shared.open(url! as URL, options: [:], completionHandler: {(success: Bool) in }) } else { UIApplication.shared.openURL(url! as URL) } } Are you testing on a real device? – rmaddy Jun 21 at 23:57 I try on a device, get "Cannot Connect to App Store". Device is online ...
Why is the base type not returned when no generic type specified? [duplicate] This question already has an answer here: I have a code like this: public class A<T extends String> { T field; List<T> fields; public T getField() { return field; } public List<T> getFields() { return fields; } public static void test(){ A a = new A(); String s = a.getField(); List<String> ss = a.getFields(); } } Why when creating A with no generic type getFiled returns String but getFileds returns List<Object> ? A getFiled String getFileds List<Object> I have to define A as A<String> a = new A<>() for this to work properly. A A<String> a = new A<>() Thanks, This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. By not specifying any generic type, you are decl...
how to run turtle graphics in Colaboratory Given that we can do other types of drawing/visualization in Colaboratory, I would think running turtle graphics would be pretty simple (but not so simple I've figured it out!) I can import the turtle library, but I get the following error when any draw command occurs: TclError: no display name and no $DISPLAY environment variable Thanks in advance. 1 Answer 1 I think P5.js is your best bet. I test it in this notebook. https://colab.research.google.com/drive/1TqF6RObllyslad3KrO4SiAuegRjuJDCF By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service, privacy policy and cookie policy, and that your continued use of the website is subject to these policies.
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