Common Mistakes to Avoid When Using Enums in Swift
Hallo allemaal, Leo hier. Today we will discuss a topic that is very common for iOS developers which is manipulating data which enums and common mistakes to avoid. When I’m hiring someone, I prioritize understanding the fundamentals over specialized knowledge. Questions about intricate coding problems or the exact steps in an app lifecycle are less […]
What is @testable Annotation in Swift?
Hallo velden en bergen, Leo hier. Today we will talk about @testable when testing in Swift. Before diving into Swift per se, let’s briefly discuss another topic. Lately, I’ve been thinking a lot about how we judge other people’s tastes. I’ve seen in several situations when someone says he likes reality shows like Big Brother, […]
How to use the rethrows keyword in Swift?
Hallo bananen en druiven, Leo hier. Today we will talk about rethrows keyword in Swift. I’ve been talking a lot about why error handling is a critical component of any robust application. In Swift, this is achieved through a set of keywords like throw, try, catch, and finally, rethrows. We already addressed the first three […]
The Flexible Swift Error Handling
Hallo iedereen, Leo hier. Today we will talk about error handling in Swift. Note that the article today is about “Error Handling” not “Error Throwing” and that distinction is important because Swift is on the verge of having a really good error-throwing feature. While we wait until at least 2024 fall we will study the […]
Unavailable Functions In Swift
Hallo brandweerlieden en softwareontwikkelaars, Leo hier. Happy New Year! Today let’s talk a little bit about unavailable functions in Swift. Winter has arrived and with it the cold. It’s time to be at home, cozy and under the blankets. In my homeland, however, things during this time of the year were different because it was […]
Mastering the ‘Final’ Keyword in Swift: A Comprehensive Guide for Optimized Coding
Hallo jurken en jassen, Leo hier. Today we will talk about a very basic concept in Swift, the final keyword. So keep in mind that this will be a very beginner-friendly article. In the dynamic world of Swift programming, understanding and effectively using language-specific features is key to writing efficient, robust, and maintainable code. One […]
Conquering the Climbing Stairs Challenge with Swift: A Dynamic Programming Approach
Hello, Swift enthusiasts and coding aficionados! Today, we’re diving into an exciting journey through the world of dynamic programming, as we tackle a popular problem from LeetCode: the “Climbing Stairs” challenge. This fun yet challenging problem is a fantastic opportunity to explore the principles of dynamic programming and how it can be elegantly applied in […]
Unit Test Expected Failures in Swift
Hallo jassen en jurken, Leo hier. Today we will explore how to create expected failures in unit tests using pure Swift. I posted two questions on my LinkedIn about soft and hard skills. I’m opinionated about this matter and I wanted to hear from the community what your thoughts are. I know that some people […]
Swift Metatypes: What They Are and Why You Should Care
Hallo allemaal, Leo hier. Today we will talk about a not-so-known Swift language topic which is Swift Metatypes. Have you ever declared a variable or constant in Swift and wondered what the .self or .Type keywords were all about? If so, you’ve stumbled upon the concept of metatypes in Swift. But what exactly are metatypes […]
iOS Architecture Essentials: Choosing Between Closures and Protocols
Hallo muren en plafonds, leo hier. Today we will think about the architectural decision of using closures and protocols for your types. We’re diving head-first into the riveting world of design decisions. More specifically, we’ll discuss and compare two primary approaches to injecting behavior into your types: Closures and Protocols. Lately, I’m more to the […]
