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Xojo Programming Blog Posts

Guest Post: Running Xojo Apps on Windows with Elevated UAC

Published August 16, 2013 by Xojo

We’d like to thank Wayne Golding for offering the following tip. Wayne Golding has been a Xojo developer since 2005. He operates an IT Company Axis Direct Ltd www.axisdirect.nz which primarily develops applications using Xojo that integrate with Xero www.xero.com.  Wayne’s hobby is robotics where he uses Xojo to build applications for his Pi2 often implementing IoT for remote control.

Do you need to run a Xojo Application on Windows with Elevated UAC? Here’s Wayne’s trick to achieve that goal.

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Dumb Ways to Code

Published August 8, 2013 by Geoff Perlman

Dumb Ways to Code

By Geoff Perlman

Sung to the tune of “Dumb Ways to Die” by Tangerine Kitty

Use an object that's out of scope
Don't escape your SQL quotes
Ship without a beta test
Think Google Translate to localize is best
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Take advantage of your multi-core processor

Published July 26, 2013 by Paul Lefebvre

Nearly all CPUs used by your devices, from computers to tablets to phones, now contain multiple CPU cores. With a multi-core CPU, your computer can literally do multiple things at one time, which is called multiprocessing. And with a little careful planning, your Xojo apps can use multiprocessing for significant performance improvements in your apps.

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Faster Internet

Published July 24, 2013 by Xojo

I’ve discovered a way to potentially speed-up your Internet access. Before we get to that, it occurs to me that the way in which computers find each other on the Internet may be a bit of a mystery to many. If you’d like to understand how it all works read this first.

Your devices (computers, tablets and smartphones) are constantly accessing their assigned DNS server and since they often can’t continue until a response is received, the speed of your DNS server can have a big effect on the speed of your Internet access. If you’re using any of the Internet classes in Xojo, this will of course affect the performance of your apps as well. Not all DNS servers are created equal. You are probably using one at your Internet provider and it may not be the fastest DNS server available to you. But with all the DNS servers out there, how can you know which one is fastest?

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Xojo Apps in the Mac App Store

Published July 8, 2013 by Paul Lefebvre

Is it possible to put a Xojo-made application in the Mac App Store?

The answer is simple: Absolutely.

However, it can be a lot of work and you’ll have to pay heed to Apple’s rules regarding the Mac App Store and follow their very stringent requirements.

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Assigning Your Xojo License To Someone Else

Published July 4, 2013 by Alyssa Foley

Managers, Coordinators, Purchasing Agents, Xojo has got you covered! Did you know you can assign Xojo licenses from your account to other accounts? Assigning a license to a member of your team gives them access to that Xojo license, while you retain the ability to revoke and extend those licenses.

This blog post steps through a license owner assigning their Xojo license to an end user.

TL;DR  Go to go your Team pages. End users share their connection key with the license owner, then owner connects with end user’s account by adding that connection key. Now, the owner can assign licenses to anyone they are connected with from their Licenses Page.

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WebSessionContext Changes in 2013

Published June 25, 2013 by Greg O'Lone

If you use WebSessionContext in your Xojo web projects, you’re probably aware by now that they’re not working very well. I thought I’d take a few minutes to tell you what’s going on and how we’re planning to fix it.

What is a WebSessionContext anyway?

First of all, a quick description of what WebSessionContext is supposed to do for you. WebSessionContext is a mechanism for accessing a particular existing WebSession from within an area of your application that would otherwise not know where it belongs. These include Threads, Timers, System Events, App Events, etc. Normally you could tell because you would get a SessionNotAvailableException when trying to access a particular WebSession in your code.

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