objective-c Archives - Page 11 of 11

How do I call Objective-C code from Swift?

In Swift, how does one call Objective-C code? Apple mentioned that they could co-exist in one application, but does this mean that one ...

April 15, 2022
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What is a typedef enum in Objective-C?

I don’t think I fundamentally understand what an enum is, and when to use it. For example: typedef enum { kCircle, kRectangle, kOblateSpheroid ...

April 15, 2022
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Shortcuts in Objective-C to concatenate NSStrings

Are there any shortcuts to (stringByAppendingString:) string concatenation in Objective-C, or shortcuts for working with NSString in general? For example, I’d like to ...

April 14, 2022
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How can I disable ARC for a single file in a project?

I am using ARC successfully in my project. However, I have encountered a few files (e.g., in unit tests and mock objects) where ...

April 13, 2022
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