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All Articles
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WWDC20 Summary Jul 13, 2020
An overview of the changes introduced on WWDC20 from the design and product perspective
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Introducing Align 2 Jun 18, 2020
Layout anchors, reimagined
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VPN, Part 2: Packet Tunnel Provider Jun 14, 2020
Using NEPacketTunnelProvider to implement a VPN client
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VPN, Part 1: VPN Profiles May 24, 2020
Using Network Extension framework to create and manage VPN profiles
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How Does VPN Work? May 19, 2020
A Russian nesting doll of network protocols
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Let's Build a VPN Protocol May 18, 2020
How to implement a custom VPN client and server using Packet Tunner Provider
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Nuke 9 May 17, 2020
Reflecting on the five years of the performance improvements
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SwiftUI Experience Apr 3, 2020
Is SwiftUI delivering on its promises?
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Introducing FetchImage Mar 18, 2020
FetchImage makes it easy to download images using Nuke and display them in SwiftUI apps
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SwiftUI Data Flow Jan 16, 2020
Everything you need to know about data flow in SwiftUI
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Effective Unit Testing Dec 4, 2019
Why most unit testing is a waste in Swift and how to extract the most value from tests
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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
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SwiftUI Layout System Oct 22, 2019
Taking a deep dive into SwiftUI layout system
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Regex, Part 3: Matcher Sep 25, 2019
Explore two different regex matching algorithms
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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?
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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
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Regex, Prologue: Grammar Sep 9, 2019
Using a formal grammar to describe a regular expression language
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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
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Future<Value, Error> Nov 12, 2018
Future – a streamlined Future<Value, Error> implementation with functional interface
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Let's Talk Architecture Aug 11, 2018
MVC – The Past. MVVM with RxSwift or ReactiveCocoa, MVP – The Present. Functional Architectures – The Future.
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Are Optionals Any Good? Jun 14, 2018
Taking a step back to see what is good and bad about Optional type in Swift
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Resumable Downloads Jun 6, 2018
Exploring how resumable downloads - one of my favorite new features in Nuke 7 - are implemented using HTTP range requests
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Network Extension, Part 1 - Introduction May 22, 2018
Introduction to a series of posts about the Network Extension framework
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Trunk-Based Development Mar 23, 2018
Why feature branches might prevent continuous integration and discourage refactoring and what other branching strategies are worth considering.
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Creating Views in Code Jan 12, 2018
Tips and tricks to keep code in your views nice and readable
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Cancellation Token Dec 15, 2017
A unified model for cooperative cancellation of asynchronous operations
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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
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Three Use Cases of Phantom Types Nov 24, 2017
Adding additional type safety using phantom types on the examples
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Align: Intuitive Auto Layout Nov 17, 2017
I'm thrilled to introduce a new intuitive and powerful Auto Layout library - Align
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Codable: Tips and Tricks Nov 10, 2017
Introduced in Swift 4 to replace NSCoding APIs, Codable also features first-class JSON support
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Smart Retry Sep 3, 2017
Combining retryWhen operator with Reachability and delay options inspired by RxSwiftExt to implement auto-retries
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API Client in Swift Jul 10, 2017
How to implement a declarative and powerful API client using Alamofire, RxSwift, and Codable
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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
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RxSwift Testing Jun 6, 2017
Unit testing paging in a scroll view using RxSwift testing infrastructure - RxTest
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Interface Builder: Previews May 1, 2017
Using Interface Builder to quickly preview features on different screen sizes and in different orientations
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Let's Build UIStackView Jan 16, 2017
Explores how UIStackView works under the hood to build its open source replacement - Arranged
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Core Data Progressive Migrations Jun 18, 2016
Using NSPersistentStoreCoordinato and NSMigrationManager for progressive schema migrations in Core Data
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Image Caching Jan 26, 2016
In-depth look at HTTP cache and Foundation's URL Loading System to cache images on disk
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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
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Immutability and Builder Pattern Jan 10, 2016
Modelling large immutable objects in Objective-C without creating telescoping initializers