It is OK to test the framework

When I started to write the book Using Combine, I was learning the Combine framework as I went. There was a lot I was unsure about, and especially given that it was released with the beta of the operating system, the implementation was changing between beta releases as it firmed up. I chose to useContinue reading “It is OK to test the framework”

A Using Combine update now available!

A new version of Using Combine (v0.7) is now available!  The free HTML site of Using Combine has been updated automatically, and the PDF and ePub versions are available on Gumroad. This version has relatively few updates, primarily focused on some of the missing publishers and resolving the some of the egregious flaws in ePubContinue reading “A Using Combine update now available!”

Using Combine (v0.6) available!

A new version of Using Combine is available! The free/online version of Using Combine is updated automatically as I merge changes, and the PDF and ePub versions are released periodically and available on Gumroad. https://gumroad.com/js/gumroad.js Purchase Using Combine The book now has some amazing cover art, designed and provided by Michael Critz, and has benefitedContinue reading “Using Combine (v0.6) available!”

navigating Swift Combine, tuples, and XCTest

What started out as a Github repository to poke at SwiftUI changed course a few weeks ago and became a documentation/book project on Combine, Apple’s provided framework for handling asynchronous event streams, not unlike ReactiveX. My latest writing project (available for free online at https://heckj.github.io/swiftui-notes/) has been a foil for me to really dig intoContinue reading “navigating Swift Combine, tuples, and XCTest”

Commodity and fashion with SwiftUI

I’m only just starting to dig into the new declarative UI framework that Apple announced at WWDC this year: SwiftUI, but already there are a few patterns emerging that will be fascinating to watch in the Mac & IOS development community in the coming months. The huge benefit of SwiftUI is, as a declarative framework,Continue reading “Commodity and fashion with SwiftUI”

SceneKit interaction handling – Experiment439

A staple of science fiction movies has been 3D holographic visualizations and controls. Most efforts I’ve seen at taking real visualization data and putting them into a 3D context haven’t been terribly successful. At the same time, the advance of AR and VR makes me suspect that we should be able to take advantage ofContinue reading “SceneKit interaction handling – Experiment439”