A tour on how to change layouts based on available space in SwiftUI

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Font is an essential part of an app. A good selection of font would make your app stand out from the crowd. But whatever fonts you choose, you have to make sure it doesn't lose its core function, readability. You might feel reluctant to use a custom font…

Working with multiple managed object contexts will often involve responding to changes that were made in one context to update another context. You might not even want to update another context but…

SF Symbols, the standardized icon system for the Apple ecosystem, got some great upgrades this year. In addition to macOS support, there are almost a thousand more symbols available, and there are some changes in the symbol names...

How custom Combine operators and convenience APIs can be implemented using extensions, and how doing so can let us eliminate common sources of boilerplate when implementing things like networking and data validation.

There are many ways to affect the glyphs that are used to show text on screen. Since macOS 10.11 El Capitan (released in 2015), possibly the simplest override points are in NSLayoutManagerDelegate. Another, ...

Learn a lesser-known API to create a custom UIStackView spacing without nested them together.

The DispatchSource family of types from GCD contains a series of objects that are capable of monitoring OS-related events. In this article, we'll see how to use DispatchSource to monitor a log file and create a debug-only view that shows the app's latest…

What to do if the predicted bounding boxes are drawn in the wrong place

Here's my guide to get you started building widgets with WidgetKit.

Exploring iOS, SwiftUI & much more.

A look at the various sorting APIs that the Swift standard library offers, and how we could augment those APIs in order to make more advanced sorting tasks easier to perform.

A neat technique for values that can’t be created with a single line of code.

A SwiftUI view showing buttons for taking a photo and opening photo album.

Learn about lazy sequences in Swift and how to use them.

Learn how you can describe a simple Neural Network using Swift for TensorFlow.

Learn about the many challenges of providing realtime data by implementing a dependable client-side WebSocket solution for Swift apps.

This week we will talk about another new API that Apple released this year during WWDC 20. Replacing AppDelegate with the new SwiftUI App Lifecycle brings us tons of new APIs that we can use to replace old functionality with a brand new declarative API. One…