Recent questions tagged Swift

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799 views

1 answer

swift - Moving Node on top of a moving platform

I have a moving platform, but when the node is above the platform it doesnt move with the platform horizontally ... [moveHPart1, moveHPart2]))); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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857 views

1 answer

swift - How to zip more than 4 publishers

I'm using Swift Combine for my API requests. Now I'm facing a situation where I want to have more than 4 ... ) .store(in: &state.subscriptions) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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803 views

1 answer

swift - What is the difference between Type Safety and Type Inference?

How are they different? I get a bit confused because they seem to be similar concepts. How does ... with optimizing compilation time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

1 answer

swift - Difference between using ObjectIdentifier() and '===' Operator

Let's say I'm implementing a root class in Swift, which I declare adopts the Equatable protocol (I want ... , see Classes and Structures. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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912 views

1 answer

swift - Is there a zip function to create tuples with more than 2 elements?

I just discovered the Swift zip function recently. It seems quite useful. It takes 2 input arrays and creates an array ... be a way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

996 views

1 answer

swift - Is there a zip function to create tuples with more than 2 elements?

I just discovered the Swift zip function recently. It seems quite useful. It takes 2 input arrays and creates an array ... be a way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

740 views

1 answer

swift - Difference between using ObjectIdentifier() and '===' Operator

Let's say I'm implementing a root class in Swift, which I declare adopts the Equatable protocol (I want ... , see Classes and Structures. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

863 views

1 answer

swift - Is there a zip function to create tuples with more than 2 elements?

I just discovered the Swift zip function recently. It seems quite useful. It takes 2 input arrays and creates an array ... be a way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

703 views

1 answer

swift - What is the difference between Type Safety and Type Inference?

How are they different? I get a bit confused because they seem to be similar concepts. How does ... with optimizing compilation time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

786 views

1 answer

swift - Difference between using ObjectIdentifier() and '===' Operator

Let's say I'm implementing a root class in Swift, which I declare adopts the Equatable protocol (I want ... , see Classes and Structures. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

851 views

1 answer

swift - Is there a zip function to create tuples with more than 2 elements?

I just discovered the Swift zip function recently. It seems quite useful. It takes 2 input arrays and creates an array ... be a way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

swift - How to hide labels in ios-charts?

I need disable some elements from my chart. I used the iOS-charts library in (Swift 2), however I can' ... color square Hide all vertical lines See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

swift - Class CKBrowserSwitcherViewController overrides the -traitCollection getter... What this message means?

[TraitCollection] Class CKBrowserSwitcherViewController overrides the -traitCollection getter, which is not supported. If you' ... the latter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

917 views

1 answer

swift - Add Instagram to UIActivityViewController

I'm trying to share an image using standard UIActivityViewController, it's fine to share on Facebook, Twitter and ... Is it possible at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

swift - AVAudioEngine crashes when plug headphones in or out

I'm testing my audioApp on my iPhone6 Plus, and it crashes after plug headphone in or out. ... uncaught exception of type NSException See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

swift - How to open a NSPopover at a distance from the system bar?

I'm opening a NSPopover with the action of an icon in the status bar. myPopover.show(relativeTo: button.bounds ... distance from the system bar? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

763 views

1 answer

swift - Moving Node on top of a moving platform

I have a moving platform, but when the node is above the platform it doesnt move with the platform horizontally ... [moveHPart1, moveHPart2]))); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

848 views

1 answer

swift - How to zip more than 4 publishers

I'm using Swift Combine for my API requests. Now I'm facing a situation where I want to have more than 4 ... ) .store(in: &state.subscriptions) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

681 views

1 answer

swift - What is the difference between Type Safety and Type Inference?

How are they different? I get a bit confused because they seem to be similar concepts. How does ... with optimizing compilation time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

698 views

1 answer

swift - Difference between using ObjectIdentifier() and '===' Operator

Let's say I'm implementing a root class in Swift, which I declare adopts the Equatable protocol (I want ... , see Classes and Structures. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

882 views

1 answer

swift - Is there a zip function to create tuples with more than 2 elements?

I just discovered the Swift zip function recently. It seems quite useful. It takes 2 input arrays and creates an array ... be a way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

925 views

1 answer

swift - Binding an element of an array of an ObservableObject : 'subscript(_:)' is deprecated

I'm using an ObservableObject 'DataStore', which contains an array ('exampleList') of objects ('exampleObject'). ... s why I'm asking. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

swift - Prevent NSURLSession from caching responses

Why does it cache responses. It returns previously fetched responses. It even works if turning off the network ... to solve my problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

swift - Adding a case to an existing enum with a protocol

I want to create a protocol that enforces a certain case on all enums conforming to this protocol. For example, ... Fuzz(Int) Is this possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

959 views

1 answer

swift - How to compare "Any" value types

I have several "Any" value types that I want to compare. var any1: Any = 1 var any2: Any = 1 var any3: Any ... would be the way to do this ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

swift - Optional Int in Realm

I am trying to use an Optional Int in Realm and am getting an old error I think. Code dynamic var reps: ... Optional Int supported or still no? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

881 views

1 answer

swift - <<error type>> Strange Error

I have encountered a situation where xcode stops auto-completing and if you try to write a variable that already been ... >. Here is my error: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

swift - 'self' used before all stored properties are initialized

I'm working through a learn-swift playground and upgrading it to Swift 2.0 as I learn the language. ... while keeping capitalCity a constant? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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