Recent questions tagged swift

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1 answer 934 views

swift - in the end of line with using print

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

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1 answer 1.1k views

swift - NSJSONSerialization not working as expected in a Playground

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

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1 answer 1.1k views

swift - Why can't I mutate a variable initially set to a certain parameter when the func was called?

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

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1 answer 1.3k views

swift - How to disable a constraint programmatically?

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

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1 answer 1.3k views

swift - UIBarButtonItem selector not working

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

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1 answer 1.3k views

swift - Binding in a ForEach in SwiftUI

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

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1 answer 1.0k views

swift - How to create grid in SwiftUI

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

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1 answer 946 views

swift - Pattern match and conditionally bind in a single Switch statement

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

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1 answer 1.5k views

swift - Firebase UID vs document-id and Firestore Rules

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

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1 answer 809 views

swift - Is it possible to assign an array to a class property by reference rather than a copy?

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

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1 answer 1.2k views

swift - native zlib inflate/deflate for swift3 on iOS

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

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1 answer 875 views

swift - How do Generators whose Element is Optional know when they've reached the end?

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

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1 answer 955 views

swift - How to integrate UIActivityViewController with SwiftUI's ScrollView?

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

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1 answer 895 views

swift - Call external function using WatchKit force touch MenuItem

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

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1 answer 934 views

swift - How to call the more specific method of overloading

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

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1 answer 839 views

swift - How to speed up updating relationship among tables, after one or both tables are already saved?

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

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1 answer 985 views

swift - How are hash collisions handled?

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

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1 answer 1.2k views

swift - Xcode 11 Beta 3, build error "Unknown attribute 'State'", "Use of undeclared type 'View'" etc

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

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1 answer 1.1k views

swift - Protocol for class method

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

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1 answer 1.0k views

swift - Compare three values for equality

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

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1 answer 1.0k views

swift - Adding Local dependencies in XCode11 using SPM

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

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1 answer 1.3k views

swift - 'Method' is ambiguous for type lookup in this context, Error in Alamofire

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

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1 answer 825 views

swift - unable to save on/off state of a UITableViewCell?

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

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1 answer 993 views

swift - Executing text-to-speech in order

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

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1 answer 988 views

swift - MPMoviePlayer in iOS 9

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

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1 answer 907 views

swift - How to clustered markers from Firebase in GoogleMaps for iOS

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

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1 answer 1.0k views

swift - didReceiveRemoteNotification is not running when app is running (FOREGROUND)

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

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1 answer 1.1k views

swift - Change the color of UIButton in IBOutletCollection

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

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1 answer 811 views

swift - How to know when multiple web calls have ended, to call completion

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

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1 answer 910 views

swift - How can i access firebase variable outside firebase function

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

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1 answer 926 views

swift - CollectionView not display data after parsing JSON

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

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1 answer 836 views

swift - My UIViewcontroller is not filling the entire screen?

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

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1 answer 1.0k views

swift - UIAlertView is crashing app on iOS 7

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

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1 answer 2.2k views

swift - How do I delete an item in a collection view with a button in the cell?

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

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1 answer 945 views

swift - Handling asynchronous Firestore data reading in tableView - iOS

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

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