Ole Begemann

Ole Begemannby Ole Begemann·16 Dec 2025

After my previous post Tracking renamed files in Git, here’s another entry in my ongoing series “I thought git mv was useless but I was wrong”.

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15%plop score, above 15 percent of recent articles

Ole Begemannby Ole Begemann·15 Dec 2025

Git famously doesn’t track file renames. That is, Git doesn’t store the information “file A has been renamed to B in commit X”. Instead, Git stores snapshots of the repository at each commit.

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27%plop score, above 27 percent of recent articles

Ole Begemannby Ole Begemann·5 Mar 2024

The Swift website provides nightly builds of the Swift compiler (called toolchains) for download.

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15%plop score, above 15 percent of recent articles

Ole Begemannby Ole Begemann·29 Feb 2024

You may have noticed that the Swift compiler automatically treats the closure of a DispatchQueue.main.async call as @MainActor.

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41%plop score, above 41 percent of recent articles

Ole Begemannby Ole Begemann·24 Mar 2023

I have one more thing to say on the relative sizing view modifier from my previous post, Working with percentages in SwiftUI layout. I’m assuming you’ve read that article.

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63%plop score, above 63 percent of recent articles

Ole Begemannby Ole Begemann·9 Mar 2023

I rarely participate actively in the Swift Evolution process, but I frequently refer to evolution proposals for my work, often multiple times per week.

Ole Begemannby Ole Begemann·31 Jan 2023

I know I’m almost a decade late to this party, but I’m probably not the only one, so here goes. Double Fine Adventure was a wildly successful 2012 Kickstarter project to crowdfund the development...

Ole Begemannby Ole Begemann·15 Dec 2022

I wrote an app called SwiftUI View Lifecycle. The app allows you to observe how different SwiftUI constructs and containers affect a view’s lifecycle, including the lifetime of its state and when...

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31%plop score, above 31 percent of recent articles

Ole Begemannby Ole Begemann·12 Oct 2022

Mac apps built with Xcode 14.0 and 14.0.1 may contain concurrency bugs because the Swift 5.7 compiler can generate invalid code when targeting the macOS 12.3 SDK.

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30%plop score, above 30 percent of recent articles

Ole Begemannby Ole Begemann·3 Aug 2022

iOS 16 beta 4 is the first SDK release that supports Live Activities. A Live Activity is a widget-like view an app can place on your lock screen and update in real time.

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56%plop score, above 56 percent of recent articles

Ole Begemannby Ole Begemann·5 May 2022

@MainActor is a Swift annotation to coerce a function to always run on the main thread and to enable the compiler to verify this. How does this work?

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19%plop score, above 19 percent of recent articles

Ole Begemannby Ole Begemann·27 Apr 2022

Here’s a simple AttributedString with some formatting: import Foundation let str = try! AttributedString( markdown: "Café **Sol**", options: .init(interpretedSyntax: .inlineOnly) ) AttributedString...

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37%plop score, above 37 percent of recent articles

Ole Begemannby Ole Begemann·28 Mar 2022

We released the fifth edition of our book Advanced Swift a few days ago. You can buy the ebook on the objc.io site.