I recently watched this video from Computerphile on YouTube (one of my favorite channels). It demonstrates a simple bit-shift operation can generate amazing random strings of numbers. I thought I’d quickly convert it to Xojo.
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In Xojo 2021R2 binary enumerations were introduced. These Enums must be declared in a module and are treated by the compiler as a class. Learn to create an Enum for Days of the Week and demonstrate the use of that by creating a custom segmented button control.
Comments closedThere is something that is even better than using Cell Renderers from third parties- building them yourself. In this second part, you will learn how…
Comments closedA quick tip I wanted to share about using Web DatePicker. I was using the DatePicker control on a web page and the results didn’t look correct.
Comments closedIf you are creating a web application, you’ve already noticed most of the time you are using WebListBox controls. Xojo Web 2.0 comes with a hidden gem called Custom Cell Renderers. They allow you to create reusable pieces of code to enhance your table cells.
Comments closedThere are plenty of times when your Xojo apps might need to know the public or external IP address is, and there are a lot of web sites or services that you can use with Xojo to find that. I found ipify to be easy to use
Comments closedYou are navigating Xojo web 2.0 apps and your use the browser’s back button to return to the previous page of the app. But rather than taking you to the previous page, you get a message that the app lost connection to the sever. This is even more common on a mobile device where we tend to use the back gesture to return to the previous page.
Comments closedThe ability to specify “White Space” for the trim functions was introduced and largely ignored apart from the release notes. Using Trim (or LTrim or RTrim) will remove spaces from the beginning, end or both of your string. The new function allows you to specify what you want to trim.
Comments closedXojo 2021r2 brings more enhancements, new features and a bunch of bug fixes to the PDFDocument class. Among these, probably the most important is the arrival of PDFDocument for iOS. But you’ll also find new features like adding annotations and links to your PDFs, new PDF viewer options and the ability to jump to a specific page in a PDF.
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