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Category Archives: OS X

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How to make negative numbers into positive

All, iOS, Objective-C, OS X, Swift, XcodeBy Jean-François Dion02/02/2015

If you want to force a number to change or keep it positive.   Here is the way: abs() for int fabs() for double fabsf() for float   If you want more info, you can look here: http://stackoverflow.com/  

How to create an iOS App Previews
 with QuickTime

All, iOS, OS X, TutorialsBy Jean-François Dion18/12/2014

How to create a iOS App Preview First look for the System Requirement: iOS device with Lightning connector Retina display iOS 8 A Mac with OS X Yosemite   In other words: You can only use iPhone and iPad that have Lightning connector. Only iPhone and iPad with Retina Display And the iOS 8   For more…

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