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www.cs.cornell.edu | ||
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krakendev.io
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| | | | | Since the advent of Swift, our behavior towards nil values have greatly changed. Swift brings type safety, and also works hard to prevent sending messages to nil by introducing Optionals. Implicitlyunwrapped optionals are pretty new and behave just like optionals. However, they can be dangerous to your code if used incorrectly. So here, let me help with that! | |
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ashishkakkad.com
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| | | | | Blocks in Objective-C In Objective-C we are using the blocks(completion handlers) with functions as follows : [code language="obj-c"] - (void)yourFunctionName:(NSString *)yourString withCompletionHandler:(void (^)(NSString *yourResult))block; [/code] Closures in Swift Closures are self-contained blocks of functionality that can be passed around and used in your code. Closures in Swift are similar to blocks in C and Objective-C ... Read more | |
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atomicbird.com
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| | | | | Over the past month or so I've been diving into Swift, after many years of working with Objective-C on Macs and iOS. It's been a change but, gradually, I'm learning the Swift way of doing things. On the way I've run into a few bumps in the road when dealing with Core Data, and I thought would be useful to share how I got past them. Xcode Generated Subclasses Considered Harmful This is the main impetus for this post. | |
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www.flagsmith.com
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| | | This article explores how to use iOS (Swift) feature flags. This allows you to test and deploy new features without an App Store update. | ||
