If you are serious, and are prepared to put in some time, then have a look at the Stanford cs193 course. Paul Hegarty's depth of knowledge is outstanding, and he has the ability to explain things clearly. A good mix of theory and hands-on demo work.

You have updated landmarkData.json, to reference an image called "bkkbn". CircleImage_Previews is trying to display this image. Does the image named "bkkbn" exist in your project? More important than that... ...you are using a latitude of 106.880838, which is invalid. Latitude must be between -90 (South Pole) and 90 (North Pole) You may have got your longitude and latitude mixed up?

Did that help you, @GaneshAcharya?

Search for "iCloud Private Relay" e.g. https://support.apple.com/en-gb/HT212614 Or specifically for Limit IP Address Tracking: https://nerdschalk.com/hide-ip-address-on-iphone-how-to-use-limit-ip-address-tracking-feature-for-this/

Adjust your Mac screensaver as normal: Mac > System Preferences... > Desktop & Screen Saver > Screen Saver .. then turn off the screen saver, or adjust it's settings.

You could add the four indexes (0 to 3) to an array, in random order. Then: removeLast() Use this index with your string array Repeat, until the index array is empty Then (if necessary) start again, with a new random order

Perhaps there is a problem with your Hike.swift? Could you share the code for that? Or maybe... When you were adding the files to your project, did you check: Copy items if needed Add to targets {Landmarks} Test: Select the file "HikeView.swift" In the file Inspector... ...make sure "Target Membership" shows a tick by "Landmarks"

In Overview, try moving the .animation from it's current position, to immediately after the .navigationViewStyle That is, apply it to the NavigationView (which is what you are animating in), not the entire Group

Yes, the receiver is the OperationQueue that you are using.

Apple provide TestFlight for this purpose.

Reported as Spam.

Here you go: https://developer.apple.com/programs/enterprise/

In SwiftUI... You can draw in a View, using a Path Path has methods (that you should find familiar) like: move(to:) addLine(to:) addCurve(to:control1:control2:) To get the rotation, you could then use the View modifier: rotationEffect(_:anchor:) You could draw this over another view using a ZStack, or by using the "overlay" View modifier

If I understand you correctly, you want to convert a base64 String to a SwiftUI Image. /// I don't have your base64-encoded String, so I'll make a dummy one... let sourceData = Data() let base64String = sourceData.base64EncodedString() /// Convert base64-encoded String to UIImage guard let stringData = Data(base64Encoded: base64String), let uiImage = UIImage(data: stringData) else { print("Error: couldn't create UIImage") return } /// Convert UIImage to SwiftUI Image let swiftUIImage = Image(uiImage: uiImage) Is that what you wanted to know?

Where is the error... which class, which line?