A weekly Swift Blog on Xcode and iOS Development

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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Speeding up development to increase productivity can bring you a lot. You'll work more efficient, deliver faster, and you'll feel ...
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Danger plugins can help improve something we do every day: code reviews. Code reviews inside pull requests help you to ...
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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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For loop, for each, and repeat are examples of control flow statements in Swift. Although most of them look similar, ...
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If case, guard case, fallthrough, and the CaseIteratable protocol. These are all terms which could sound familiar if you've worked a ...
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Memory leaks often happen without notice. Although best practices like using a weak reference to self inside closures help a ...
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A QR Code is used a lot to share content or to add a new user in apps like Twitter ...
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A cheat sheet can be a handy tool to quickly reference Xcode, Swift or iOS logic from a compact overview ...
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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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Especially the rulers can help you stop using the Mac screenshot pixel feedback to measure distance in your UI. Simulator ...
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Siri support can be added using an Intent and an IntentUI extension. This adds quite some overhead and is not ...
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Xcode behaviors can change the way how Xcode responds to certain events. Default behaviors help you already by showing for ...
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With almost 30.000 stars on Github, you can tell that Alamofire is a popular framework to use for iOS and ...
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Although Xcode brings us the Debug View Hierarchy tool , it's often not enough for more advanced UI debugging. Luckily ...
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The new App Store Connect API was announced during WWDC 2018 and makes it possible to write applications for App ...
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OSLog as a replacement of print and NSLog is the recommended way of logging by Apple. It's a bit harder ...
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Custom operators in Swift create extensions on existing types and can be great for readability improvements if used correctly. Considerations ...
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Making use of essential shortcuts in Xcode can speed up development and keep you in your flow. Xcode allows you ...
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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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Functional programming is often done in Swift and so easy that it could easily hit performance. Iterating over large collections ...
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SwiftLint is a tool by Realm to enforce Swift style and conventions. It's proven to be adopted by a lot ...
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Swift 4.2 is a major release and shipped with Xcode 10. It comes with a lot of code improvements for ...
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Command-click no longer jumps to definition by default since Xcode 9 is introduced. It opens up a handy menu instead ...
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Although the defer keyword was already introduced in Swift 2.0, it's still quite uncommon to use it in projects. Its ...
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CompactMap and flatMap, what are the differences and when do you use each? Swift 4.1 introduced this new method with ...
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Effective development can be achieved by learning more skills, but also by improving the daily routine for you as a ...
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The Swift standard library brings quite some compiler diagnostic directives by default. Although this might not ring a bell at ...
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Where is a powerful keyword within Swift to easily filter out values. It can be used in many different variants ...
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Debugging breakpoints in Xcode allows you to replace prints and reuse debugging statements in future debugging sessions. By simply enabling ...
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The Swift API contains a lot of notifications sent out by the system like NSManagedObjectContextObjectsDidChange in Core Data or the ...
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The Network Link Conditioner on iOS and macOS enables you to test your app in networking conditions like your users ...
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Xcode 10 provides new ways to analyse your build performance. Gather valuable insights into your build performance using the new ...
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Core Data is Apple’s object graph management and persistency framework for iOS, macOS, watchOS, and tvOS. It's around for a ...
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Xcode custom file templates are a great way to develop just a bit faster and enable you to define a ...
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Xcode is the main IDE for developing software for macOS, iOS, watchOS, and tvOS. It contains a lot of well-known ...
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App Store Optimization can help people discover your app on the App Store for iPhone and iPad. With some useful ...
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During WWDC 2018 Apple announced Xcode 10 with a lot of new features. Many of them are available for you ...
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Almost all apps contain some kind of data requests. Printing data requests could sometimes be handy for debugging purposes. This ...
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Controlling Progress children by default makes it only easy to add children to a Progress instance, but removing is not ...
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UI Tests are a great tool to validate your application. It is easy to create them for your main application, ...
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Using Firebase Crashlytics can help you to solve your crashes faster. In this example we're going to dive into a ...
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Creating an app preview video can be really easy using the simulator in just a few steps. Capturing an iOS ...
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You can symbolicate a crash log with Xcode 9 fairly easy. Even with bitcode, which give you multiple DSYM files ...
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Swift 4.1 is released on the 29th of March and will be shipped with Xcode 9.3. Although it's a minor ...
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A few weeks ago Apple announced the deprecation of Swift 2.3 starting with the release of Xcode 8.2. Reason enough ...
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Rich notifications with iOS 10 brings us some nice new features to add to our apps. It's possible to create ...
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Many, many users are requesting an Spotify Apple TV 4th gen Application. I'm an active Apple TV user and I really ...
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