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Xojo Programming Blog Posts

Testing REST-based Web Services

Using Xojo’s URLConnection to communicate with web services is pretty straightforward. But testing the actual REST API calls can get tricky. To make it easier to test and experiment with REST API calls, Paul created a app in Xojo for doing just this. He called it RESTy in its original format back in 2015. You can download the updated project here built with Xojo 2022r4.1.

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No, we don’t have plans for a XDC 2024

If recent years have informed anything in my life, it is that life is short and also that life is always changing. So it is with enthusiasm I am coming to London for XDC next month. As you probably recall, we had been trying to host an Xojo Developer Conference in London for years but the COVID 19 pandemic had other ideas. But after a successful XDC in Nashville, Tennessee in 2022, we felt the climate was right and we collected data saying the demand was high. We felt this despite reading again and again about the decline in in-person and virtual event attendance. Now, please don’t worry the Xojo Developer Conference in London is going to be an excellent event.

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Algorithm: Equally Spaced Ranges

There are some situations where you may need a range of numbers that is equally spaced. For example, when given a minimum and a maximum value within which a set of numbers that need to be equally spaced. This is useful if you are designing an UI control displaying “ticks” or for the axis of a graphic chart displaying cartesian values. Continue reading to see a technique to do just this.

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Quick Tip: Opening, Shown, Closing and Closed

Knowing the firing order of the Opening event in Xojo Desktop and Mobile apps, and the Shown event for Xojo Web apps, is important to using these correctly for a control’s initialization. The same can be said for Closing and Closed events. Read on for a breakdown of this order for Desktop, Web and Mobile apps developed in Xojo.

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London is always a good idea.

There is no shortage of things to see, do, eat, drink and experience in London. There is something to appease every interest – from history to food, fashion, music, the arts and everything in between. Having so much extracurricular options makes London the ideal city to host the Xojo Developer Conference.

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Rate Limiting a Web Application

In this blog post I’ll show how to add rate limiting to your web application.  Rate limiting is used to frustrate abuse of your application by limiting access. The same technique can be used to limit access to your API server by recording the user’s ID instead of IP Address.

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New Web SDK Examples in 2022r4

There are situations where the included controls and widgets aren’t enough. Maybe the specs of the project require the use of one or more of specific JavaScript libraries, or you just need some code to be executed in the browser. The Web SDK can help, giving you the opportunity to build anything. In 2022r4 we are adding more examples, to help you start building your custom controls.

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