swift Archives - Page 2 of 8

Programming, swift

IT Nursery

structure vs class in swift language

From Apple book “One of the most important differences between structures and classes is that structures are always copied when they are passed ...

May 31, 2022
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Programming, swift

IT Nursery

Why do I need underscores in swift?

Here it says, “Note: the _ means “I don’t care about that value””, but coming from JavaScript, I don’t understand what that means. ...

May 29, 2022
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Programming, swift

IT Nursery

Property getters and setters

With this simple class I am getting the compiler warning Attempting to modify/access x within its own setter/getter and when I use it ...

May 29, 2022
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Programming, swift

IT Nursery

dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib

I get this error after adding a Swift class to an old Xcode project. dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib How can I make ...

May 29, 2022
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Programming, swift

IT Nursery

Compiler error: Method with Objective-C selector conflicts with previous declaration with the same Objective-C selector

I am starting to learn Swift, and have been following the very good Stanford University video lectures on YouTube. Here is a link ...

May 29, 2022
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Programming, swift

IT Nursery

How do I declare an array of weak references in Swift?

I’d like to store an array of weak references in Swift. The array itself should not be a weak reference – its elements ...

May 29, 2022
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Programming, swift

IT Nursery

How do I get the count of a Swift enum?

How can I determine the number of cases in a Swift enum? (I would like to avoid manually enumerating through all the values, ...

May 28, 2022
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Programming, swift

IT Nursery

Changing the Status Bar Color for specific ViewControllers using Swift in iOS8

override func preferredStatusBarStyle() -> UIStatusBarStyle { return UIStatusBarStyle.LightContent; } Using the above code in any ViewController to set the statusBar color to White ...

May 28, 2022
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Programming, swift

IT Nursery

Printing a variable memory address in swift

Is there anyway to simulate the...

May 28, 2022
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Programming, swift

IT Nursery

Changing navigation title programmatically

I have a navigation bar with a title. When I double click the text to rename it, it actually says it’s a navigation ...

May 28, 2022
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