Swift & Xcode

Go to how to START page first.
All the information to start programming in Xcode is there.
Hardware – Software – Resources.

Enjoy!

How to use String () or String?

Witch one to use: String () or String?   Depends … on how you do things! But! For my part, I’ve reduce bug crashing App when using: String ()   How? String? make’s it wait for a value from the user (problematic). String () set’s a nil value.   Why! If using String? and the user skip…

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How to create a iOS App Preview

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 questions go…

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Change float to int

Change a float to int in Objective-C The Code float valueFloat = slider.value; int valueInt = (int) valueFloat; Explanation 1-The inital value is received from a slider in the App (slider.value). That inital value received is 3.1415 and have 4 decimals (1415). That’s what we call in programming a »float». 2-The slider.value 3.1415 is than…

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