**The Sunroom Project** by Mark Strickland
Mark uses Xojo and multiple systems to control the temperature in his sunroom, but he's really demonstrating the advantages of reusing code to solve problems.
**App Integrity** By Sam Rowlands
There have been reports recently of popular applications being hacked into malware. Sam offers some tips on how to ensure that your users don't use a modified app.
**Multicore Processing** Part 3 By Markus Winter
In this segment, Markus explores multiprocessing on Windows.
**HiDPI Is Here** By Marc Zeedar
The latest edition of Xojo supports Retina ("HiDPI"). Learn how to use it in your applications.
**Tracking Health Disorders** By JC Cruz
Jose begins a new health tracking project.
There are also columns on obfuscation, Raspberry Pi 3, Role Party Model, Calendar/Time Picker, and much more.
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