Issue 12.5 ("Yosemite")

In-App Notifications by Sam Rowlands

Using a timer to update user-interfaces is a good idea. But Sam's got a better one: borrowing from a Obj-C technique, he's created an in-app notification system so your objects can talk to each other and be notified when they need to be updated.

Writing Apps for Game Center: Part 2 by Tom Baumgartner

In Part 2, Tom explains how to request a match in real-time games.

Inside HandleSpecialURL by Christian Schmitz

Web Edition provides a full web server that can handle custom URLs via the HandleSpecialURL event. Christian demonstrates how to use this to create your own REST-like API.

Yosemite Ready? by Sam Rowlands

Mac OS X Yosemite is coming this fall. Are you ready for it? Sam provides some tips and techniques to get your Xojo app ready now.

Plus columns on object-oriented programming (SimpleDraw demo app), coding styles, database design, Xojo tips, meet a Xojo game developer, Regex conditionals, and much more.