Topic

things to know

A collection of 28 issues

Bresenham's Line Algorithm

I took a Computer Graphics course during college, and I've been revisiting the subject. During this recent exploration, I came across something interesting: Bresenham's Line Drawing Algorithm. It's a straightforward and extremely clever method for drawing lines on a pixel-based display. Let's take a closer look at how the algorithm

Exploring Animation Curves

Between my recent SwiftUI projects and YouTube content, animations have become a crucial part of my work. So, I've been down a bit of an animation rabbit hole lately... We'll start with the basics - from linear animations to easing curves - and then we'll dive into creating custom animations

How To Create a PDF In A WKWebView

In this article, we'll see how we can save the contents of a WKWebView as a PDF using Swift 5.

Using The Proxy Pattern In Swift 5

Today, we'll take a closer look at the proxy design pattern. We'll get the formal definition out of the way quickly and then we'll jump into some practical examples. What Is The Proxy Pattern? The proxy pattern is a structural pattern that helps you limit access to another class. In

How To Automatically Create .gifs From The iOS Simulator

Did you know you can export .gifs directly from the iOS Simulator? No third-party tools are needed!

How To Notify Users About App Updates

Whenever you release an app update, it's important to make sure existing users don't fall behind and that your user base doesn't become fragmented across multiple versions. So, some apps will choose to notify users when a newer version is available or will force them to upgrade if they fall

Rate Limiting on iOS

Whenever you enter an address into Google Maps or search for a video on YouTube, you may have noticed that the auto-complete suggestions update at regular intervals rather than with every change to the search query. When you consider the scale of these platforms, limiting requests in this manner is

Using .allSatisfy in Swift

You'll often find yourself in a position where you need to check if a particular condition applies across a collection of objects. Luckily, Swift provides the allSatisfy() method to handle just that. Let's say we want to write a function to verify that a student has completed all of the

Understanding Misaligned Images in the iOS Simulator

Today, we'll discuss this setting in more detail and we'll see how we can improve our app's rendering performance by addressing issues related to misaligned images. I've been making iPhone apps for years, but I've never really investigated this feature. Now that I know what it does, I wonder how

Automatically Delete iOS Simulator Screenshots

In iOS Development, you'll often use Command + S to take screenshots of your app running in the iOS Simulator. Although this is very convenient for sharing screenshots of your application with your team, or for pull requests, etc., since the system saves these screenshots to your Desktop, it quickly leads