In this tutorial I will show you how to create a Number class that can tell you when its value has been actually set, along with other methods to manage how it is used while demonstrating some common object-oriented techniques and features such as operator overloading. You’ll be able to create a Number from an Integer, Double or String.
Comments closedXojo Programming Blog Posts
When developing iOS apps with Xojo you may spend a good amount of time debugging, whether in a iPhone, or iPad simulator or on a real device. With this in mind, let’s learn a good way to handle the Simulators list in Xcode and Xojo.
Comments closedIn my session at XDC 2023, I talked about ways to design your apps so you reuse code across platforms. The first project is JSONReader, so let’s dive in.
Comments closedXDC London is underway, we are uploading session videos to Xojo’s YouTube channel for you to watch at your convenience. Session videos will continue to be uploaded as the conference continues this week, subscribe to Xojo’s YouTube channel to receive notifications of new videos.
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Welcome to London! The 2023 Xojo Developer Conference is underway, starting with the keynote from Xojo Founder and CEO Geoff Perlman. The keynote video will be available shortly on Xojo’s YouTube channel so you can watch it on-demand, here is what we have announced so far:
Comments closedComposing new controls using primitives is something you definitely want to explore. Let’s build a reusable vertical navigation, with animations, for your Xojo Web projects using the Atomic Design Methodology.
Comments closedXojo’s Code Editor now lets you move a line or a selection up or down or duplicate entire lines (or a selection). To swap lines, put the cursor on a line and press Option+Up Arrow (Mac) or Alt+Up Arrow (Win/Linux) to move the line up in the code. Press Down arrow to move down.
Comments closedStarting with Xojo 2023r1 you’ll find a new feature in Xojo’s Debugger panel that allows you to filter the objects and variables displayed, even between different project runs! This lets you stay focused on the more important objects and variables instead of scrolling through the list of all entries.
Comments closedGraphic chart support is new in Xojo Desktop and Xojo Mobile (iOS) in Xojo 2023r1. The new DesktopChart and MobileChart offer a similar look and behavior to what you find when using Xojo’s WebChart. Let’s review all the things you can do with the new DesktopChart and MobileChart in your Xojo projects.
Comments closedA feature in some other languages you may have seen is something called matrix math. These are operations you can perform on matrices, which are 2-dimensional arrays. Xojo does not have any matrix math functions built in, but using the Extends command you can add your own.
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