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SWIFT QUESTIONS

Add 'PageSetupAccessory' to PrintPanel for PDFDocument
Add 'PageSetupAccessory' to PrintPanel for PDFDocument
around this issue Based on @Willeke's comments, I've come up with the following, which seems to work well. (Minor quibble is that the Print dialog isn't a sheet.) If anyone has any improvements, please post a better answer.
TAG : swift
Date : January 12 2021, 09:11 PM , By : user3100732
I want to display two nodes overlapping each other with ARKit
I want to display two nodes overlapping each other with ARKit
hope this fix your issue Two nodes, The text and board are separated. I want the board to be the background for the text. , You're adding the panelNode as a child node of your text here:
TAG : swift
Date : January 12 2021, 09:11 PM , By : user3100638
Run Kitura Docker Image causes libmysqlclient.so.18 Error
Run Kitura Docker Image causes libmysqlclient.so.18 Error
I hope this helps you . I was able to update and enhance my dockerfile this is now running smoothly and also can be used for CI and CD tasks.
TAG : swift
Date : January 12 2021, 09:11 PM , By : user3100578
How would you switch through kCL error in Swift?
How would you switch through kCL error in Swift?
around this issue error has to be cast to CLError so the code property can be accessed, see as follows:
TAG : swift
Date : January 12 2021, 07:00 PM , By : user3100411
How should I use this Github project properly?
How should I use this Github project properly?
hope this fix your issue detailView is a private/fileprivate property of the ViewController managed by the Card class. Both are not accessible directly anyway, you should use card.shouldPresent(.class, from: self) to set you view controller.For examp
TAG : swift
Date : January 12 2021, 01:40 AM , By : richpit
How does my teacher know how many parameters to put in her closures and how does she know what type Swift will infer?
How does my teacher know how many parameters to put in her closures and how does she know what type Swift will infer?
To fix this issue As rmaddy stated, check the documentation as a first step. If you don't feel like Googling it, you can press the command key and click on the the thing you're looking for and it'll take you to the definition.
TAG : swift
Date : January 11 2021, 05:14 PM , By : user3099866
Custom Index for Linked List in Swift
Custom Index for Linked List in Swift
I wish this help you Custom Index Type for Linked List Swift 5.0, Xcode 10.3 , Let's address the second problem first:
TAG : swift
Date : January 11 2021, 03:34 PM , By : user3099740
Swift WKWebView continuous spell checking
Swift WKWebView continuous spell checking
Does that help I did not found it yet: so far no such property is available in WKWebView.From apple
TAG : swift
Date : January 11 2021, 03:34 PM , By : user3099715
Swift - Merging 2 arrays of objects with a key
Swift - Merging 2 arrays of objects with a key
fixed the issue. Will look into that further I'm new to Swift programming and been working on an app fir a couple of weeks now, and I'm stuck at a crucial moment in the development. , I figure it out!
TAG : swift
Date : January 11 2021, 03:32 PM , By : user3099393
Change frame of Live View in Swift playgrounds
Change frame of Live View in Swift playgrounds
Any of those help You need to define the preferredContentSize of the UIHostingController, as in:
TAG : swift
Date : January 11 2021, 03:28 PM , By : Ignacio Urpi nachour
Swift: Maintaining atomicity in a block-based execution using weak self
Swift: Maintaining atomicity in a block-based execution using weak self
With these it helps There’s no simple answer to this question, as the correct answer depends upon what doSomething and doSomethingElse are doing, something which is unclear here.That having been said, you say:
TAG : swift
Date : January 11 2021, 03:28 PM , By : user3099267
Why memory address is not changed for different instances of struct?
Why memory address is not changed for different instances of struct?
I wish this helpful for you This is because you are using same variable. Take this examplevar p (This is allocating memory to hold your value)
TAG : swift
Date : January 11 2021, 03:26 PM , By : user3098909
Filling a List in SwiftUI with CoreData
Filling a List in SwiftUI with CoreData
To fix the issue you can do Try to add an explicit type to the ForEach closure since a recording can be an NSManagedObject and a FlightRecording at the same time so the compiler just decided to use NSManagedObject.
TAG : swift
Date : January 11 2021, 03:26 PM , By : Rich Haigh
Kotlin Property Initialization (Like swift using closures)
Kotlin Property Initialization (Like swift using closures)
Hope that helps You can use apply():
TAG : swift
Date : January 11 2021, 02:18 PM , By : user3098750
Call a function from a separate class not working
Call a function from a separate class not working
will be helpful for those in need You are creating new instance of RedeemController that has it's own properties, instead you have to use the instance that you currently have myControllerInstance.removeAnimationFromSuperview()
TAG : swift
Date : January 11 2021, 11:39 AM , By : user3098552
Explanation of zip, reduce and combine in Swift
Explanation of zip, reduce and combine in Swift
should help you out zip(a, b) produces a sequence of tuples pairing the values from a and b
TAG : swift
Date : January 11 2021, 11:39 AM , By : user3098363
How to add a delay between loops when playing a tone in AVAudioPlayer?
How to add a delay between loops when playing a tone in AVAudioPlayer?
I wish did fix the issue. Unfortunately there is no simple way of doing this. You should use AVAudioPlayerDelegate. Please find some example below:
TAG : swift
Date : January 10 2021, 02:06 PM , By : user3098309
How to add storyboard canvas orientation in git ignore in Xcode
How to add storyboard canvas orientation in git ignore in Xcode
should help you out Because it's showing "Changes not staged for commit" rather than something about untracked files, what this means is that you have Main.storyboard already being tracked by Git. In other words, as soon as you add a file to Git and
TAG : swift
Date : January 10 2021, 02:06 PM , By : Pronin Alexander
How to execute different implementation of a method of a generic struct based on the generic type?
How to execute different implementation of a method of a generic struct based on the generic type?
will be helpful for those in need The issue can't be reproduced from the example you gave. I'm going to assume that you are having a more complicated issue, that you tried to boil it down for this question, and that you boiled it down incorrectly. I'
TAG : swift
Date : January 10 2021, 02:04 PM , By : Randy Shan
How to handle Errors on never ending chain with materialize?
How to handle Errors on never ending chain with materialize?
With these it helps Imagine the following chain where a user wants to save a list of some sort: , Here's the obvious fix:
TAG : swift
Date : January 08 2021, 10:52 AM , By : user3097340
RxSwift convert Observable<String> into String
RxSwift convert Observable<String> into String
this will help If I understood correctly, you want to transform an Observable to an Observable, which is the job of the map method:
TAG : swift
Date : January 08 2021, 10:52 AM , By : user3097301
Alamofire sending a request to an API 'NSInvalidArgumentException'
Alamofire sending a request to an API 'NSInvalidArgumentException'
I hope this helps you . i am using this code to send an image and text to an api: , You need to make values a string not double
TAG : swift
Date : January 08 2021, 10:52 AM , By : user3097149
SwiftUI Conditional List - Unable to infer complex closure return type
SwiftUI Conditional List - Unable to infer complex closure return type
hope this fix your issue List expects a View returned for every item, using Group like that is a bit of a hack.Better to move the logic out of the List, either
TAG : swift
Date : January 08 2021, 03:18 AM , By : user3097072
Result values in '? :' expression have mismatching types 'String.SubSequence' (aka 'Substring') and 'String'
Result values in '? :' expression have mismatching types 'String.SubSequence' (aka 'Substring') and 'String'
wish of those help dropFirst() returns a Substring from your string, and the complier is complaining that you return a different Substring type if true and String type when falseJust cast the Substring to String like String(yourSubString) and it shou
TAG : swift
Date : January 07 2021, 03:08 PM , By : Bruce Hunt
SwiftUI - Align contents of Button to the left
SwiftUI - Align contents of Button to the left
hop of those help? You can add a spacer to the HStack and padding to align the house image to the rectangle.
TAG : swift
Date : January 07 2021, 07:50 AM , By : user3096633
Swift handle did select on multiple annotations on same location
Swift handle did select on multiple annotations on same location
this one helps. The problem lies in your guard statement. As I could find out in a short research, iOS uses a MKClusterAnnotation type for annotations that are equally located. Thus, the view variable does not have a .annotation set that confirms to
TAG : swift
Date : January 07 2021, 07:50 AM , By : user3096481
How to use NSPredicate for whether a List of Int contains a Int number?
How to use NSPredicate for whether a List of Int contains a Int number?
it helps some times As stated in David's comment, you cannot filter on a list of primitives. You can only filter on List's that contain Realm Objects. However, there are other solutions.Here we get all of the Realm objects and filter the objects usin
TAG : swift
Date : January 07 2021, 07:50 AM , By : Filipe Baumeister
SetNeedsDisplay having no effect
SetNeedsDisplay having no effect
Hope this helps Your coordinates are off because you are using the wrong frame of reference. Specifying nil for the view in location(in view:) selects the coordinate space of the window. So even though your touches are inside the canvas, your drawing
TAG : swift
Date : January 06 2021, 03:17 PM , By : user3096300
Can't initialize class with "if"
Can't initialize class with "if"
should help you out In an init, you must initialize all properties. In your init, your properties are only initialized if the if succeeds.It seems you need a failable init:
TAG : swift
Date : January 06 2021, 03:17 PM , By : user3096298
SKPaymentQueue.default().add(payment) ignored
SKPaymentQueue.default().add(payment) ignored
I wish did fix the issue. Indeed SKPaymentQueue.default().add(payment) should not get ignored. Period.I am not sure what happened on my machine but after a reboot things started to behave. The sign-in dialog appeared reliably and for some weird reaso
TAG : swift
Date : January 06 2021, 03:27 AM , By : user3096075
How to share UIImage to Camera Roll using UIActivityViewController
How to share UIImage to Camera Roll using UIActivityViewController
will help you I wrote this code to share UIImage , From the documentation for PHPhotoLibrary requestAuthorization:
TAG : swift
Date : January 03 2021, 08:18 AM , By : retnavg
Play Sound From String Arrays Swift
Play Sound From String Arrays Swift
hope this fix your issue I think you are making this more complicated than you need to. Firstly you keep creating your arrays multiple times, there is no need to do this. You could do something like this
TAG : swift
Date : January 03 2021, 08:18 AM , By : user3095442
Runtime error using Combine: dyld: Symbol not found: _$s7Combine9PublishedV9PublisherCyx_GAadAMc
Runtime error using Combine: dyld: Symbol not found: _$s7Combine9PublishedV9PublisherCyx_GAadAMc
it fixes the issue I downloaded Xcode 11 beta 6, iOS 13 beta 7 and now is working fine. It was a bug from previous beta versions.
TAG : swift
Date : January 02 2021, 10:54 PM , By : mhergh
addPeriodicTimeObserver generate a escaping closure error
addPeriodicTimeObserver generate a escaping closure error
To fix this issue I am following this tutorial that explain how to create an AVPlayer and use it with Swift UI. I am at the part where the seek bar becomes a progress bar for the video player. , Try this
TAG : swift
Date : January 02 2021, 06:48 AM , By : Ozzie
Since iOS 13 Beta 3, my app only displays a black window
Since iOS 13 Beta 3, my app only displays a black window
Hope this helps This was the original default. Since beta 3, windows need to be initialised like this:
TAG : swift
Date : January 02 2021, 06:48 AM , By : SamMa
showing uiview controller as a pop up
showing uiview controller as a pop up
help you fix your problem My current viewController is in black color (this should be black as per my requirement). I am presenting another viewcontroller as a popup. This controller has a default view which i set is as clear color, taken another vie
TAG : swift
Date : January 02 2021, 06:48 AM , By : windesell
SwiftUI Beta 3 Black Screen
SwiftUI Beta 3 Black Screen
Hope this helps I just converted to beta 3 and my previously working SwiftUI code is now rendering a plain black screen. Was there a change in beta 3 that is causing this. Is there a solution to fix it? , Beta 3 Working Version Of Scene Delgate:
TAG : swift
Date : January 02 2021, 06:48 AM , By : user6038200
What is Content in SwiftUI?
What is Content in SwiftUI?
This might help you It's important to understand that SwiftUI makes heavy use of generic types. Before the release of SwiftUI (and Combine), I had never seen any Swift code that makes such heavy use of generics. Almost all of the View-conforming type
TAG : swift
Date : January 02 2021, 06:48 AM , By : SHOZOL KHAN
How do I access the underlying key of a SymmetricKey in CryptoKit?
How do I access the underlying key of a SymmetricKey in CryptoKit?
wish help you to fix your issue I don't believe you can use load on Data quite that way. But in any case, what you want looks like this:
TAG : swift
Date : January 02 2021, 06:48 AM , By : Asadel
How to get dynamic Text height for a ScrollView with SwiftUI
How to get dynamic Text height for a ScrollView with SwiftUI
To fix this issue Might be a ScrollView bug. I'm honestly not sure why your code doesn't work, but you can get the desired result using:
TAG : swift
Date : January 02 2021, 06:48 AM , By : juliana thaddeus
SwiftUI: NavigationButton initializer gives error
SwiftUI: NavigationButton initializer gives error
like below fixes the issue Also, earlier release (and some Videos) of "Xcode 11 Beta" show use of "NavigationButton" but it is no longer supported, has been replaced with "NavigationLink".
TAG : swift
Date : January 02 2021, 06:48 AM , By : Ryan Duncan
How to limit character for username in Swift
How to limit character for username in Swift
may help you . i need to limit character for username in my swift code. , You can use regex for this, check out the code below.
TAG : swift
Date : January 02 2021, 06:48 AM , By : Gurtaj Handa
How do I use UserDefaults with SwiftUI?
How do I use UserDefaults with SwiftUI?
Hope that helps The approach from caram is in general ok but there are so many problems with the code that SmushyTaco did not get it work. Bellow you will find an "Out of the Box" working solution.1. UserDefaults propertyWrapper
TAG : swift
Date : January 02 2021, 06:48 AM , By : jjaji80
I'm an absolute beginner in swift. I don't what's wrong with the output of my code, This is based on mutating methods
I'm an absolute beginner in swift. I don't what's wrong with the output of my code, This is based on mutating methods
Does that help You're writing 2 lines of code in a single line without separating them with a semicolon(;).
TAG : swift
Date : January 02 2021, 06:48 AM , By : Joshua Berkau
How to reload data in UITableView when popping view controller
How to reload data in UITableView when popping view controller
should help you out If I have two ViewControllers one which contains a UITableView and another which updates data in the tableView. How would I reload the table data once I pop of the viewController and go back to the view with the tableView? , You c
TAG : swift
Date : January 02 2021, 06:48 AM , By : Martin Graham
Cannot hook into another RxSwift stream based on a check
Cannot hook into another RxSwift stream based on a check
it should still fix some issue I don't quite understand what you are trying to do, but in general you need to figure out all the events that should prompt a network request and put them in the stream before the flatMapLatest. If you are trying to bui
TAG : swift
Date : January 02 2021, 06:48 AM , By : J. Doe
SwiftUI Change View with Button
SwiftUI Change View with Button
wish helps you I understand there is PresentationButton and NavigationButton in order to change views in the latest SwiftUI. However I want to do a simple operation like below. When user clicks on SignIn button if credentials are correct it will sign
TAG : swift
Date : January 02 2021, 06:48 AM , By : Abu Abdulloh
SwiftUI: How to draw filled and stroked shape?
SwiftUI: How to draw filled and stroked shape?
will be helpful for those in need In UIKit drawing a stroked filled path/shape is pretty easy. , You can draw a circle with stroke on top of a filled circle
TAG : swift
Date : January 02 2021, 06:48 AM , By : Nancy Letourneau
How to access inner object's properties from superclass without boilerplate
How to access inner object's properties from superclass without boilerplate
will be helpful for those in need New in Swift 5.1, you can use dynamic member lookup with a key path. This works brilliantly for this sort of "has-a" situation, because key paths maintain full type checking. Here's a simplified example (with no atte
TAG : swift
Date : January 02 2021, 06:48 AM , By : Toni Shuma
SwiftUI Table Custom Swipe?
SwiftUI Table Custom Swipe?
With these it helps It is possible to implement a delete action and the ability to reorder list items quite simply.
TAG : swift
Date : January 02 2021, 06:48 AM , By : startle_response
Unwrapping optional inside map closure in Swift
Unwrapping optional inside map closure in Swift
it helps some times I am trying to create an instance of Friend while using map on myEmplyee array. Its crashing because I am forced unwrapping .imageString property. , You can do:
TAG : swift
Date : January 02 2021, 06:48 AM , By : Alexandr Kardash
What is the best way to wrap `purchaserInfo` for easy comparisons throughout your code using RevenueCat
What is the best way to wrap `purchaserInfo` for easy comparisons throughout your code using RevenueCat
it should still fix some issue Shared instances are not bad, however for such a small class you could declare hasAccessToProFeatures as a static variable instead.
TAG : swift
Date : January 02 2021, 06:48 AM , By : warfoufman2
How to shuffle multidimensional array?
How to shuffle multidimensional array?
With these it helps You are right that a good way to approach shuffling a 2-D array is to flatten it and shuffle the values. The tricky part is how to get the shuffled values back into the original structure of the array.By making the shuffled array
TAG : swift
Date : January 02 2021, 06:48 AM , By : Alissa
Can you use a Publisher directly as an @ObjectBinding property in SwiftUI?
Can you use a Publisher directly as an @ObjectBinding property in SwiftUI?
wish help you to fix your issue In your View body use .onReceive passing in the publisher like the example below, taken from Data Flow Through SwiftUI - WWDC 2019 @ 21:23. Inside the closure you update a state, which in turn is used somewhere else in
TAG : swift
Date : January 02 2021, 06:48 AM , By : Felipe Herrera
Changing certain words' colour in SCNText
Changing certain words' colour in SCNText
With these it helps Mono-object Text SCNText() class helps you create a 3D mono-object-text, hence you cannot separately access each character inside it (at the moment API doesn't allow you have access to each character). Instead you might use a text
TAG : swift
Date : January 02 2021, 06:48 AM , By : dru
Limit frequency with which firestore retrieves data
Limit frequency with which firestore retrieves data
Hope this helps Cloud Firestore stores your data in multiple data centers, and only confirms the write operations once it's written to all of those. For this reason the maximum update frequency of a single document in Cloud Firestore is roughly once
TAG : swift
Date : January 02 2021, 06:48 AM , By : Aaron Z.
SwiftUI - Half modal?
SwiftUI - Half modal?
With these it helps You can make your own and place it inside of a zstack: https://www.mozzafiller.com/posts/swiftui-slide-over-card-like-maps-stocks
TAG : swift
Date : January 02 2021, 06:48 AM , By : vk vijay
Call a function multiple times and get a list of results in swift?
Call a function multiple times and get a list of results in swift?
it should still fix some issue This might not be the answer you're looking for, but you can use Ranges with higher order functions.Example:
TAG : swift
Date : January 02 2021, 06:48 AM , By : Phillip
Open multiple preview same time in SwiftUI
Open multiple preview same time in SwiftUI
To fix the issue you can do You can provide devices by their name to preview multiple devices at the same time. For example to preview "iPhone SE" and "iPhone XS Max" you can do like below:
TAG : swift
Date : January 02 2021, 06:48 AM , By : pay bux
What is simdTransform in SceneKit and ARKit?
What is simdTransform in SceneKit and ARKit?
like below fixes the issue In the world of 3D graphics, simdTransform 4x4 matrices is a regular way to work with translation, rotation, scaling, shearing and projection of 3D models, cameras and lights.Here's what Apple says about simdTransform :
TAG : swift
Date : January 02 2021, 06:48 AM , By : Alphonse462

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