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For some reason, the value is lost when I try to transfer it from ViewController to TableViewController. The scheme seems to be simple, the value is taken from the first TVC (such as a warehouse) and transmitted to the VC (details), and from there to the order basket or cart - to the second TVC. And when I try to pass data to the cart, it pass… (Show more)
in Interface Builder
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Hi, I study Augmented Reality and have some questions. On page 459 author of this textbook say to add a new node with next code:   let node = SCNNode() node.position = SCNVector3(0.0, 0.2, 0.0)  Please tell me where, in what place, I should to insert this code? Into viewDidLoad method or other?
in Teaching app development
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Hello,   I am trying to use self.dismiss funtion for my app. From the menu button,  when clicked on an option, the app goes to new View Controller but from there when I try to close the VC and return to my homeVC using self.dismiss. I am getting an exception. The part of my code is this:       @IBAction func dismissPresssed(_ sender: Any) {… (Show more)
in Teaching app development
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how to access default value of a core data entity? For example, I have created an entity called Progress which has three attributes; id, project and week. In case my attribute list is empty, I want to fetch the default value. How can I do that?
in Teaching app development
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Hello,   i'm currently working through the book Intro to app development with Swift. At the moment i'm working on Lesson 17.3: Multiple Actions & Outlets.   I can built the app and run it in the simulator. But as soon as i want to turn on one switch i receive an error. Unfortunately i can only find the solution for the final code of this… (Show more)
in Teaching app development
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Hi,   the default for transitioning VCs in xCode is just moving the new one upwards over the old one.   I am trying to have the sam effect from right to left.   I have tried a lot but all tutorials i could find were about some complicated turning and zooming and jumping around and stuff. It seems to me like my idea is just to easy so noone… (Show more)
in Teaching app development
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Are you planning to use the new App Development with Swift course and Teacher Guide in your teaching? Use this thread to share feedback and ask questions about these materials. #swiftedu
in Teaching app development
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Hi there,   I have one bug on this forum. When I copy-paste some text to the field of answer, the window is jumping and focus fall down, bellow the field. This is not comfortable.   This bug is only in Safari and in different versions of Mac OS.
in Developer Forums
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In iBook "intro to app development with swift", lesson 20 the Final Project, I wonder where I can find the finished Xcode file for "RPS" and "Meme Maker"? Because the instruction in the book is still a little confusing for zero level beginners.
in Teaching app development
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I'm a beginner, please help me to understand why it happens?   I have two TableViewCotrollers - dynamic and static. When I add or edit item in static TVC it pass to the dynamis TVC. This data is visible in the table. But after that it is not saved. When i open the app again these changes are missing and if I roll the wheel of the pickerView these… (Show more)
in Swift