When getting started with programming and software development, the number of programming languages can feel overwhelming. Which language should I choose? What do I even want to do as a programmer? This article explains to you the meaning and use of the 10 most popular programming languages. This helps you find the right programming language […]
10 Most Popular Programming Languages in 2023 Read More »
In Swift, the underscore operator (_) represents an unnamed parameter/label. In for loops, using the underscore looping parameter is practical if you do not need the looping parameter in the loop. Output: In function calls, you can omit the argument label by adding a (_) in front of the argument in the implementation. Output: In
Swift “_” Operator – When Use Underscore in Swift? Read More »
To convert a Date object to milliseconds and milliseconds to Date object in Swift, extend the built-in Date class: Example usage: Let’s take a detailed look at why we want to do it this way and what is the 1970 thing. How Does It Work In Swift, you can extend existing types using the extension
Swift: Date() to Milliseconds and Milliseconds to Date() Read More »
In Swift, the self keyword refers to the object itself. It is used inside the class/structure to modify the properties of the object. You can assign initial values to properties in the init() method via self. For instance: In this guide, you learn what is self and when you should/should not use it. In addition,
self in Swift—A Complete Guide (Modify Object’s Properties) Read More »
In Swift, you can implement custom types using classes. A class acts as a factory for creating objects. For example, let’s create a Fruit class and two Fruit objects: This is the quick answer to what is a class in Swift. But if you are unfamiliar with classes, there is so much more to learn.
In Swift, you can implement custom types using structures. A structure acts as a factory for creating objects. For example, let’s create a Fruit structure and some Fruit instances of it: This is the quick answer for what is a structure in Swift. However, if you are unfamiliar with structures, there is so much more
In Swift, there is no do…while loop that is common in other programming languages. Instead, there is a repeat…while loop that does the exact same thing. Here’s an example piece of code that uses this looping construct to run through some numbers: Output: The repeat block is always executed at least once no matter what.
Do…While Loops in Swift (Do Once, Then Loop) Read More »
In Swift, the map() function can be used to apply a function for each element in a collection. For example, let’s square an array of numbers: Output: Here is an illustration of how the above code works: In this guide, you learn how to use the map() function with closures on different collection types in
The map() Function in Swift Read More »
