December 2018
Intermediate to advanced
414 pages
10h 19m
English
Content preview from Hands-On Design Patterns with Swift
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Event-based programming
Observation is a popular programming strategy that lets you derive the current state of your application from the events you're listening to. Instead of polling for new information, your program will listen to events or notifications in order to update its state.
This strategy is particularly suitable for decoupling event sources from their consumption part. However, always keep in mind that your program can suffer from significant performance hits if you're processing all events without throttling, debouncing, or similar.
Let's get started with NotificationCenter, provided by the Foundation framework.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.