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Tag: swift

Function Currying in Swift

Posted on May 3, 2015May 3, 2015 by Guanshan Liu

Function Currying in Swift The concept of currying is that instead of accepting multiple arguments, a function accepts only one, and returns a function which acepts the remaining arguments. The returned function will also accept only one argument, and returns another function. This process continues until all arguments are exhausted and we are left only…

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Functional Programming in Swift

Posted on April 25, 2015April 26, 2015 by Guanshan Liu

Thoughts on Functional Programming in Swift Like most of you, I have to use Objective-C at my day job. I could only craft my Swift skills at night. Swift is not a purely functional language. It can be use imperatively because all frameworks from Apple are written in Objective-C at the time of writing. However,…

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Fun with CAShapeLayer

Posted on March 2, 2015July 28, 2015 by Guanshan Liu

CAShapeLayer is a specialized subclass of CALayer that draws itself using the shape you define via the path property. path is an instance of CGPath. We could leverage the convenient UIBezierPath APIs to create a path, and then retrieve the CGPath from it. Besides all the animatable properties inherited from CALayer, there are other animatable…

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Swift 1.2 and Xcode 6 Beta 2 – The best update yet

Posted on February 23, 2015February 25, 2015 by Jameson Quave

The big news in the Swift community is the release of Swift 1.2, featuring some awesome features. Apple wrote about that a bit here, this was before they released Xcode 6.3 Beta 2, which came out today. But it contains most of the major language changes. Xcode 6.3 Beta 2 First of all, Xcode itself…

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Should I learn Objective-C or Swift first?

Posted on December 30, 2014December 30, 2014 by Jameson Quave

“Should I learn Objective-C or Swift first?” I get asked this question a lot. Sometime’s people will also ask about learning C or C++ first. So, I want to take a moment and give you the low-down on how I feel as a professional iOS & Mac developer, six months after Swift’s introduction. If this…

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Core Data Migrations Swift Tutorial

Posted on December 15, 2014April 15, 2019 by Jameson Quave

In this post we’re going to discuss migrations in Core Data. This is part three of a tutorial series covering the usage of Core Data in Swift to write iOS apps with persistence. While I think you can benefit strictly from reading this post, it may be easier to follow along if you go back…

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Core Data in Swift Tutorial (Part 3)

Posted on October 30, 2014February 16, 2015 by Jameson Quave

This post compatible with Xcode 6.3 Beta, Updated on February 16, 2014 This is part three of a tutorial series covering the usage of Core Data in Swift to write iOS apps with persistence. If you haven’t read part one yet, read that first. If you really want to get your feet wet, my Swift…

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Core Data in Swift Tutorial (Part 2)

Posted on October 15, 2014February 16, 2015 by Jameson Quave

This post compatible with Xcode 6.3, Updated on February 16, 2015 This is part two of a tutorial series covering the usage of Core Data in Swift to write iOS apps with persistence. If you haven’t read part one yet, read that first. If you really want to get your feet wet, my Swift book…

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Core Data in Swift Tutorial (Part 1)

Posted on October 6, 2014May 30, 2021 by Jameson Quave

This post compatible with Xcode 6.3 Beta, Updated on February 16, 2015 Don’t have 6.3 yet? Make sure to download it here using your iOS Developer account. Core Data is the de facto standard way to persist and manage data in both iPhone and Mac applications, and with Swift it’s a bit easier. So it’s…

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Taking control of the iPhone camera in iOS 8 with Swift (Part 1)

Posted on August 25, 2014July 28, 2015 by Jameson Quave

Updated on September 20, 2014 for Xcode 6 GM Using the AVFoundation API, we are going to set up a capture session and make an app that allows us to use all the new fine-grained controls added to iOS 8. This includes manually controlling focus, exposure, and ISO. First off, we just need to set…

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Jameson Quave


I write about new technologies and how we interact with them.
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