A periodical on the art of modern iOS software engineering.

Introducing tonight's special...

Dynamic Master Detail View Background Colors

Tech Note

In my quest to pretty up some of the rougher edges of Spend Stack, today I turn my attention to styling my interface in Master-Detail Views. Easy to describe, harder to do.

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Recent Posts


Another core piece of functionality arrived in Swift 5.1 - built in diffing. Let's take a look.

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Empty View With Diffable Datasource

Empty views are a critical piece of user experience on iOS. Today in tech notes, I explore how this might be done with diffable datasource.

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A Best In Class App: Spend Stack Checkup

I've often written about what it takes to be considered a best in class app on iOS. So, how am I doing personally according to my own definition?

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Xcode Preview Snips

Xcode Previews for SwiftUI has quite literally changed a decade old workflow. Here are the techniques I currently live by.

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Introducing Spend Stack

If I write about indie development, I suppose it's time to reveal my indie project. Many years in the making, here's Spend Stack.

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A Best in Class iOS App

What is a best in class iOS app? How are they built, and can we quantify what makes them great?

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Optimizing Images

iOS is a visual medium teeming with beautiful images in virtually every app on your phone. Important though they are, it's trivial to mismanage them from a memory and performance standpoint.

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Swift Keywords

Swift has quite a few keywords. Let's look at every single one, what it does and provide a code sample.

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