Does a method signature include the return type?
When asked, “What is a method signature?”, most people hedge with “The method’s name and parameters… something like that.”
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Swift & Objective-C
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Overloading vs. Overriding: Telling Them Apart in Swift
Overloading and overriding. Two concepts with names so similar you might wonder why they had to be.
Read article[Swift Basics #2] Closure Captures, weak self, and escaping
Closures are everywhere in Swift code. But many developers still struggle to explain exactly what capture means, why [weak self] is used, and why @escaping is needed.
Read articleMastering Objective-C id (Dynamic and Duck Typing Summary)
When you first study Objective-C, the id type can make you pause.
Read articleComplete Guide to Swift Classes and Structs: Value Types vs. Reference Types
When developing with Swift, you eventually encounter a moment that makes you pause.
Read articleWhy Swift Was Created: Why Did Chris Lattner Abandon Objective-C?
Anyone starting iOS development has wondered at least once: "Why did Apple create Swift from scratch instead of sticking with the Objective-C it was already using?"
Read articleObjective-C Memory Management History: From MRC to ARC
If you work on iOS development, there’s probably something you’ve wondered about at least once.
Read articleObjective-C nil vs Java null: Why Do They Behave Differently?
There’s one thing that really confuses developers new to iOS.
Read articleObjective-C: A Complete History, the Language Jobs Loved (Including the Origin of the NS Prefix)
When you start studying iOS development, there’s one language you’re bound to encounter: unfamiliar syntax filled with brackets and mysterious prefixes like NSString.
Read articleWhy Does Objective-C Use Square-Bracket Syntax? (The Secret of Message Sending)
It’s easy to feel confused when you first encounter Objective-C code after starting to study iOS.
Read articleObjective-C at-sign (@) syntax: Why does everything start with @? (Complete Guide)
When you first open Objective-C code, one thing immediately catches your eye.
Read articleDefining Custom Swift Error Messages: A Complete Guide to LocalizedError (with Examples)
When building an app with Swift, you may have caught an error with do-catch, only to find that the message displayed on screen was less than helpful.
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