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All Articles

• AppKit is Done Feb 24, 2021

  Learn how to build delightful macOS apps using only SwiftUI

• RxUI Feb 16, 2021

  Applying SwiftUI ideas to improve the developer experience of using RxSwift

• Apple Documentation Feb 15, 2021

  Everything that is wrong with Apple's documentation

• Triple Trouble Feb 14, 2021

  Implementing triple-column navigation in SwiftUI using NavigationView

• XCFrameworks Feb 13, 2021

  Caveats of using XCFrameworks with Swift Package Manager

• Pulse: Network Inspector Jan 31, 2021

  Building a multiplatform tool using SwiftUI

• Formatted Strings Nov 29, 2020

  Using XMLParser and NSAttributedString to add support for basic formatting in localizable strings

• WWDC20 Summary Jul 13, 2020

  An overview of the changes introduced on WWDC20 from the design and product perspective

• Introducing Align 2 Jun 18, 2020

  Layout anchors, reimagined

• VPN, Part 2: Packet Tunnel Provider Jun 14, 2020

  Using NEPacketTunnelProvider to implement a VPN client

• VPN, Part 1: VPN Profiles May 24, 2020

  Using Network Extension framework to create and manage VPN profiles

• How Does VPN Work? May 19, 2020

  A Russian nesting doll of network protocols

• Let's Build a VPN Protocol May 18, 2020

  How to implement a custom VPN client and server using Packet Tunner Provider

• Nuke 9 May 17, 2020

  Reflecting on the five years of the performance improvements

• SwiftUI Experience Apr 3, 2020

  Is SwiftUI delivering on its promises?

• Introducing FetchImage Mar 18, 2020

  FetchImage makes it easy to download images using Nuke and display them in SwiftUI apps

• SwiftUI Data Flow Jan 16, 2020

  Everything you need to know about data flow in SwiftUI

• Effective Unit Testing Dec 4, 2019

  Why most unit testing is a waste in Swift and how to extract the most value from tests

• CI for Swift Frameworks Nov 13, 2019

  How I went from manually testing my frameworks to having hundreds of unit tests and multiple automatic checks running on every change

• SwiftUI Layout System Oct 22, 2019

  Taking a deep dive into SwiftUI layout system

• Regex, Part 3: Matcher Sep 25, 2019

  Explore two different regex matching algorithms

• Regex, Part 2: Compiler Sep 22, 2019

  What are Type-2 (or regular) languages? How can Finite State Automation be used to recognize them? Where do regex fit into all this?

• Regex, Part 1: Parser Sep 15, 2019

  Exploring Parser Combinators (or monadic parsers) which are a great example of functional programming used to bring practical benefits

• Regex, Prologue: Grammar Sep 9, 2019

  Using a formal grammar to describe a regular expression language

• Let's Build a Regex Engine Aug 20, 2019

  How to understand the language of <\/?[\w\s]*>|<.+[\W]>

• Navigation Problem Mar 24, 2019

  How to solve it without Coordinators and why Coordinators might be not an optimal solution for you

• Future<Value, Error> Nov 12, 2018

  Future – a streamlined Future<Value, Error> implementation with functional interface

• Let's Talk Architecture Aug 11, 2018

  MVC – The Past. MVVM with RxSwift or ReactiveCocoa, MVP – The Present. Functional Architectures – The Future.

• Are Optionals Any Good? Jun 14, 2018

  Taking a step back to see what is good and bad about Optional type in Swift

• Resumable Downloads Jun 6, 2018

  Exploring how resumable downloads - one of my favorite new features in Nuke 7 - are implemented using HTTP range requests

• Network Extension, Part 1 - Introduction May 22, 2018

  Introduction to a series of posts about the Network Extension framework

• Trunk-Based Development Mar 23, 2018

  Why feature branches might prevent continuous integration and discourage refactoring and what other branching strategies are worth considering.

• Creating Views in Code Jan 12, 2018

  Tips and tricks to keep code in your views nice and readable

• Cancellation Token Dec 15, 2017

  A unified model for cooperative cancellation of asynchronous operations

• Naive Date and Time Dec 1, 2017

  Foundation offers great APIs for manipulating dates with time zones, however, it might be missing a few things

• Three Use Cases of Phantom Types Nov 24, 2017

  Adding additional type safety using phantom types on the examples

• Align: Intuitive Auto Layout Nov 17, 2017

  I'm thrilled to introduce a new intuitive and powerful Auto Layout library - Align

• Codable: Tips and Tricks Nov 10, 2017

  Introduced in Swift 4 to replace NSCoding APIs, Codable also features first-class JSON support

• Smart Retry Sep 3, 2017

  Combining retryWhen operator with Reachability and delay options inspired by RxSwiftExt to implement auto-retries

• API Client in Swift Jul 10, 2017

  How to implement a declarative and powerful API client using Alamofire, RxSwift, and Codable

• Introducing RxNuke Jun 11, 2017

  I'm excited to introduce a new addition to Nuke - RxNuke which brings the power of RxSwift to your image loading pipelines

• RxSwift Testing Jun 6, 2017

  Unit testing paging in a scroll view using RxSwift testing infrastructure - RxTest

• Interface Builder: Previews May 1, 2017

  Using Interface Builder to quickly preview features on different screen sizes and in different orientations

• Let's Build UIStackView Jan 16, 2017

  Explores how UIStackView works under the hood to build its open source replacement - Arranged

• Core Data Progressive Migrations Jun 18, 2016

  Using NSPersistentStoreCoordinato and NSMigrationManager for progressive schema migrations in Core Data

• Image Caching Jan 26, 2016

  In-depth look at HTTP cache and Foundation's URL Loading System to cache images on disk

• Preheating Images Jan 12, 2016

  Preheating is an effective way to improve user experience by downloading data ahead of time in anticipation of its use

• Immutability and Builder Pattern Jan 10, 2016

  Modelling large immutable objects in Objective-C without creating telescoping initializers