Book Image

Diving Deep into Swift

By : Jonathan Crooke
Book Image

Diving Deep into Swift

By: Jonathan Crooke

Overview of this book

Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. for iOS, macOS, watchOS, tvOS, and Linux. This course takes you deep into the Swift language. It aims to take you beyond the fluency you need for everyday Swift development, and towards becoming a true master and understand how the language works at a deep level. You will learn Swift development, mostly using Xcode on Apple platforms, along with the ability to port your knowledge to Ubuntu Linux. You will learn stylish tricks to write elegant, professional and powerful Swift code. With this Swift course, you will have a working understanding of how the Objective-C heritage of Apple’s platforms shapes many of its APIs. This is essential knowledge to take you past from an intermediate level into true mastery. By the end of this course, you will be working heavily with Xcode, and will be ready to tackle graphical user interface development on macOS, iOS, watchOS and tvOS. Finally, you will be ready to build your own Swift applications with ease

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Diving Deep into Swift
Jonathan Crooke
Oct, 2017 | 0 hours 0 minutes
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Table of Contents (6 chapters)
Free Chapter
1
Swift’s Memory Management Model
The Course Overview
Automatic Reference Counting
Retain Cycles
2
Managing Concurrency with (Grand Central) Dispatch
Cocoa Concurrency Technologies - Introducing Dispatch
Serial Queues
Other Dispatch Features
3
Swift Dependency Management
Cocoa Dependency Management and CocoaPods
Recommended Swift CocoaPods
4
Sequence and Collection
Implementing Sequence
Implementing Collection
Why Adopt Sequence or Collection?
5
Asynchronous Task Management with Operation/Operation Queue
Introducing Operations
Understanding Operation Dependencies
Third-party Libraries Supporting Operations
6
Protocol Extensions and Protocol Oriented Programming (POP)
Introducing Protocol Extensions
Extending Collection Protocols
Protocol Extension with Type Constraints
Chapter 1
Swift’s Memory Management Model
Content Locked
Section 3
Retain Cycles
Most of the time, ARC just works and we don't have to think about it. However, the system is not perfect and if you aren't careful there are some pitfalls you can fall into. The main of which is retain cycles. - Expand the examples from the previous demonstrations to know what a retain cycle is, and how it leads to memory leaks - Explore ways we can solve this problem - Learn and appreciate the systems ARC in order to entirely avoid the danger of retain cycles; weak and strong references
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End of Chapter 1
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