Are you looking to become an iOS developer? Do you want to create apps with an outstanding design? Do you want to learn to code? IOS App Development is a lucrative business. Getting a job as an iOS developer is a great way to make a living. Starting a mobile app business can be even […]
8 Best Swift & iOS App Development Courses [in 2023] Read More »
Welcome to Learn iOS Development & Swift This is a comprehensive and free guide to Swift programming. This course is designed for complete beginners. The first step toward becoming an iOS developer is learning the Swift programming language. If you have no previous experience with Swift or any other programming language, you’ve come to the
Swift Tutorial for Beginners: A Free Course (2023 Edition) Read More »
In Swift, you can use the guard statement to guard your code. The guard blocks access to critical parts of your code if a condition is not met. The guard statement works very similarly to an if statement. The main difference is that the guard statement is used to continue running code if a condition
Guard in Swift: Early Exits Made Simple [Swift 5 Edition] Read More »
Autoclosures in Swift In Swift, an autoclosure offers a way to write cleaner code by leaving curly braces out. To create an autoclosure, use the @autoclosure modifier in front of the closure type. An autoclosure itself does not accept any arguments. When an autoclosure is called, it simply returns the value of the expression returned by
@autoclosure in Swift: Simplify Closure Calls [Examples] Read More »
In Swift, Codable is a combination of Encodable and Decodable. Read my complete guide to JSON in case you’re unfamiliar with JSON. Practically every iOS app handles JSON data in one way or another. Thus, learning how to encode and decode JSON is necessary. Here is a quick example of how to: Output: If you
Codable in Swift: JSON Parsing Made Easy [in 2022] Read More »
In Swift, a lazy variable is a variable that gets initialized only when it is called for the first time. To put it another way, using a lazy variable, you can delay the initialization of stored property. This is a great feature due to the limitations in the computing power. A lazy variable does not
Lazy Variables in Swift with Examples: Complete Guide Read More »
In Swift, a closure marked with @escaping means the closure can outlive the scope of the block of code it is passed into. In a sense, @escaping tells the closure to “stay up even after the surrounding function is gone”. But why is this useful? Let’s say you are performing an (asynchronous) network request such
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In Swift, both Float and Double are used to represent decimal numbers. The difference between a Float and a Double is in the precision: As a rule of thumb, you should use a Double in Swift. Swift Defaults to Doubles By default, Swift uses Double when it faces a decimal number in the code. You
What Is the Difference Between Float and Double in Swift? Read More »
Are you interested in becoming an iOS app developer? What a great choice! Developing mobile apps is a lucrative business. iOS development involves solving customers’ problems using creativity and careful thinking. Developing apps is both fun and challenging. Mobile app development is still relevant and it is an in-demand skill to possess. To become an
How to Learn iOS App Development: Job-Ready in 6 Months Read More »
To pass a function as a parameter into another function in Swift, the accepted parameter type needs to describe a function. For instance, this function accepts two regular parameters and a function parameter: Now you can call this function by passing it an argument that is any function that takes two doubles and returns a
Swift How to Pass a Function as a Parameter Read More »
