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programming

A collection of 36 issues

Creating a macOS Screensaver in SwiftUI

A few months ago, I wrote an article titled Recreating The DVD Screensaver In SwiftUI. In this post, we'll take it one step further and we'll turn it into a macOS screensaver. To get started, create a new Xcode project and select Screen Saver: The new

Implementing Shared With You in SwiftUI

This is a companion article to my presentation about "Creating Shareable Experience" at iOSDevUK 2024 in Aberystwyth. Have you ever lost track of a link, a song, or some other recommendation a friend has sent you in a busy chat? It happens to all of us and, fortunately,

Using @DebugDescription in Xcode 16

Debugging can be tricky, especially with custom types. Clear and informative debug output is essential for understanding the behavior of your code. That's where the CustomDebugStringConvertible protocol and @DebugDescription macro come in. In this article, we'll take a look at how to work with this protocol

Blend Modes in SwiftUI

Blend modes play a crucial role in digital design, enabling designers to easily create complex visual effects like overlays and textures. They're essential for tasks like photo manipulation, creating lighting effects, and adding depth to images. Blend modes, as the name suggests, blends the colors of multiple layers

Mastering Animatable and AnimatablePair in SwiftUI

SwiftUI makes creating animations a breeze, but sometimes you need a bit more control over how things move and animate. In this article, we'll explore Animatable and AnimatablePair and we'll see how we can use these APIs to craft more advanced animations in our apps. But,

Chaikin's Algorithm In SwiftUI

Many of you are probably familiar with Bézier curves and how they create smooth paths and designs, but did you know there's a simpler way to get a similar results? I came across this blog post yesterday that introduced me to Chaikin's Algorithm, , and after spending

Converting Codable Models To CSV

Recently, while working on a side project, I needed to convert an array of Codable models into a CSV file. While there are several 3rd-party solutions available, I was reluctant to introduce yet another dependency into my project for what seemed like a fairly straightforward task. Instead, I'd

Exploring ABI stability, @frozen, and library evolution mode

I was poking around in the Swift Standard Library, as one does, and I kept bumping into the @frozen keyword everywhere. I'd never used this keyword before, and as I tried to get a better handle on it, I found myself traveling further down the rabbit hole than

Recreating The DVD Screensaver In SwiftUI

Do you remember that DVD screensaver from the early 2000s? Not only was it a practical tool for preventing screen burn-in on CRT displays, but it's also become a cultural icon. Like many of you, I can remember seeing this screensaver as a kid, but I'd

How To Read Resistor Band Colors (4, 5, and 6 Bands)

Resistors are essential electronic components used to control the flow of electric current in a circuit. They are characterized by their resistance, which is measured in ohms (Ω). The resistance of a resistor can be identified by reading the color bands on the resistor’s body. In this article, we