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filter()
, map()
, and reduce()
.UserDefaults
and Measurement
.PLUS: A huge and growing collection of solutions for challenges in the 100 Days of SwiftUI and elsewhere, a complete archive of HWS+ live streams, access to videos from Hacking with Swift Live 2020 and 2021.
Even more courses are on the way: debugging, testing, and of course lots more SwiftUI – I have an epic collection of tutorials coming, and I can’t wait to share them all with you.
Your Hacking with Swift+ membership gets you every subscriber-only article and video published now and in the future, plus an incredible amount of extras!
Every subscriber gets immediate access to the full range amazing tutorials written for Hacking with Swift+ subscribers, plus the ad-free browsing experience, downloadable projects, monthly live streams, private forum access, and more.
But above and beyond all that you'll also receive exclusive subscriber-only thank you gifts every year – it's the least I can do to show how grateful I am that you're supporting my work.
This has some important terms and conditions, so please read the following carefully!
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The articles produced for Hacking with Swift+ are all new and exclusive to subscribers, but after subscribing for 18 months you'll also gain free online access to over a dozen of my books. This means your subscription grows as you do, making Hacking with Swift+ the largest and most comprehensive subscription around.
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Every Hacking with Swift+ subscriber is invited to join my private monthly live streams on YouTube, where I build a complete app from scratch while answering questions along the way. This is your chance to get involved and explore projects being written live, and these streams are always hugely popular.
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Is Hacking with Swift+ suitable for absolute beginners?
If you're an absolute beginner you should start with my free 100 Days of SwiftUI course, which teaches you the fundamentals of Swift and SwiftUI. However, Hacking with Swift+ includes complete solutions to all the checkpoints and milestones in the 100 Days of SwiftUI series, making it the perfect companion as you're learning.
What's more, Hacking with Swift+ will grow with you once you've finished learning – it has a wide range of intermediate to advanced Swift techniques and tutorials that will keep pushing your skills further, no matter what your goal.
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Yes! Many Hacking with Swift+ articles end with challenges to help you take your learning further – code to try, problems to solve, questions to consider, and more.
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If you live in a country or state where tax is applied to digital purchases, that will be added to your subscription price. As you might imagine there isn't a lot I can do about that.
Will you still make free tutorials?
Yes, absolutely! I believe it's important to help everyone learn, so I will still be publishing as many free tutorials as I can. This won't be affected by Hacking with Swift+.
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Although Apple has done a great deal of work to bring these two powerhouse frameworks closer together, they still fundamentally work in entirely different ways, and providing a good comparison might take more thought than you expect.
Now that you’ve had a taste of how async/await code looks, let’s break down what we just saw and examine how asynchronous functions work behind the scenes, and how we can move over to async let
with surprising ease.
We’re about to start exploring the many SwiftUI changes introduced this year, but before we’re done with concurrency we have two last techniques to explore.
This early challenge day asks you to build a converter app that’s able to move between any two similar units, such as kilometers and miles. Let’s solve it now, then we’ll take it further, and then we’ll take it even further…
SwiftUI’s ProgressView
gives us control over showing determinate or indeterminate progress, but it’s a bit dull – just a thin line and an activity spinner. Fortunately, we also get the ProgressViewStyle
protocol so we can build entirely custom progress views, and in this article I’ll show you how it’s done.
This might sound like a trivial property wrappers question testing your factual knowledge, but really it’s an architectural decision: what are the advantages and disadvantages of each, and when do they matter?
If you don’t already have some experience with this, start getting some now. If you do have some experience, remember to keep your answer pragmatic: there are ups and downs with every approach.
We already looked at trees, where each node can have zero or more children, and now I want to look at a specialized version called binary trees, where each node has zero, one, or two children. In particular we’re looking to look at how these lead to binary search trees and the remarkable performance advantages they can bring.
This challenge asks you to adjust FilteredList
in three ways: make it accept a string predicate, make it accept an enum predicate, then make it accept an array of sort descriptors for the managed object it uses. Let’s tackle it now…
In this article we’re going to build a tool aids in the decryption of popular ciphers, including Caesar shift, columnar transposition, and Vigenère – all while leaning heavily on Apple’s Swift Algorithms package.
The concurrency changes in Swift are powerful and wide-ranging, so if you want to take advantage of new SwiftUI features such as task()
or refreshable()
you need to start here.
A great answer here needs to follow the same pattern you’ll seen in other questions: give a specific, technical answer first, then move up to discuss how this affects the kind of code we write.
Getting observable objects right is one of the keys to having a smooth experience with SwiftUI, but getting them wrong is a sure-fire recipe for massive performance problems no matter what platform you’re writing for.
In final stream in this miniseries about making games with SwiftUI, we’re going to create a mini sudoku game from scratch. It’s pretty packed, but a fantastic starting point for your own projects!
The A* algorithm for path finding is not the perfect way to find an optimal route between two nodes in a graph, but it is either the best or darned close most of the time and that makes it a fantastic one to learn for both games and apps alike.
There are lots of UI mistakes we can make in programming, but unless our bugs actually get in the way of functionality most users don’t care that much. But there is one exception, and we’re going to look at it here: in this article I’ll show you how to handle names correctly – the most personal data of all.
This challenge asks you to go back and adjust both project 1 and project 2 based on what you learned, then try your hand at creating a custom view modifier. Let’s tackle it now…
This question is partly technical, partly about keeping up with Swift, and partly about application, and and I suggest you tackle it in that order.
We already looked at how to fetch decodable data using Combine, and also how to fetch and merge multiple sources of data. In this article we’ll tackle something even more complex: creating chained network requests, where the information retrieved from one request must be used to create multiple other requests.
If you have nice, clean JSON then using Swift and Codable
is like a dream come true. But what if you have messy JSON, or JSON where you really don’t know what you’ll receive ahead of time? In this article I’ll show you how to handle any kind of JSON in an elegant way, without relying on third-party libraries.
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