Swift blog posts, tutorials, tips, and tricks

Fileprivate vs private in Swift: The differences explained

Fileprivate and private are part of the access control modifiers in Swift. These keywords, together with internal, public, and open, ...
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Mar 05, 2019 • 2 min read Swift

Required keyword usage in Swift classes and structs

The required keyword in Swift can be used in front of initializers in Swift. Its usage is simple and it's ...
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Feb 19, 2019 • 2 min read Swift

Alamofire vs URLSession: a comparison for networking in Swift

Alamofire and URLSession both help you to make network requests in Swift. The URLSession API is part of the foundation framework, whereas ...
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Jan 29, 2019 • 5 min read Swift

How to use for loop, for each, while, and repeat in Swift (in-depth)

For loop, for each, and repeat are examples of control flow statements in Swift. Although most of them look similar, ...
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Jan 22, 2019 • 3 min read Swift

Enum explained in-depth with examples in Swift

Enum usage in Swift: If case, guard case, fallthrough, and the CaseIteratable protocol. These are all terms which could sound familiar ...
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Jan 15, 2019 • 3 min read Swift

Memory leaks prevention using an autoreleasepool in unit tests

Memory leaks often happen without notice. Although best practices like using a weak reference to self inside closures help a ...
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Jan 08, 2019 • 3 min read Swift

QR Code generation with a custom logo and color using Swift

A QR Code is used a lot to share content or to add a new user in apps like Twitter ...
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Jan 02, 2019 • 3 min read Swift

SwiftLee 2018 in review: Top Swift Development blog posts

With 2019 coming closer it's time to review SwiftLee in 2018 and list the top swift development blog posts of ...
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Dec 18, 2018 • 2 min read General Swift

Implementing Siri support using NSUserActivity, intents and shortcuts

Siri support can be added using an Intent and an IntentUI extension. This adds quite some overhead and is not ...
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Dec 04, 2018 • 3 min read Swift

App Store Connect API adoption with use case examples

The new App Store Connect API was announced during WWDC 2018 and makes it possible to write applications for App ...
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Nov 06, 2018 • 3 min read Swift

Measure the performance of code in Swift

It's important in any type of programming language to know how to measure the performance of code as there are ...
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Oct 09, 2018 • 3 min read Optimization Swift

Performance, functional programming and collections in Swift

Functional programming is often done in Swift and so easy that it could easily hit performance. Iterating over large collections ...
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Oct 02, 2018 • 2 min read Optimization Swift