Practical iOS development tutorials, Swift code snippets, and insights from building apps like Mimi, Billie, and 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s-app/clockwiseiosspritekitswifthttps://the-nerd.be/blog/2017/2017-09-13-map-bool-values-with-generics-in-swift/https://the-nerd.be/blog/2017/2017-09-13-map-bool-values-with-generics-in-swift/githubiosswiftxcodehttps://the-nerd.be/blog/2015/2015-12-28-sketch-app-favicon-exporter/https://the-nerd.be/blog/2015/2015-12-28-sketch-app-favicon-exporter/open-sourcesketchhttps://the-nerd.be/blog/2023/2023-02-24-introducing-billie-the-smart-invoice-assistant-on-macos/https://the-nerd.be/blog/2023/2023-02-24-introducing-billie-the-smart-invoice-assistant-on-macos/billiemy-appsosxswifthttps://the-nerd.be/blog/2017/2017-10-19-streamlining-view-controller-interactions-swift/https://the-nerd.be/blog/2017/2017-10-19-streamlining-view-controller-interactions-swift/iosswifttutorialshttps://the-nerd.be/blog/2023/2023-06-13-tngradientpickerslider-a-macos-component-to-easily-select-gradient-colors/https://the-nerd.be/blog/2023/2023-06-13-tngradientpickerslider-a-macos-component-to-easily-select-gradient-colors/open-sourcetngradientpickersliderhttps://the-nerd.be/blog/2025/2025-08-25-mimi-the-best-meme-design-for-ios/https://the-nerd.be/blog/2025/2025-08-25-mimi-the-best-meme-design-for-ios/A 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