xcode

问题 How display a NSVisualEffectView with with rounded corners in OS X? My code to add my NSVisualEffectView: let visualEffectView = NSVisualEffectView(frame: NSMakeRect(0, 0, 300, 300)) visualEffectView.material = NSVisualEffectMaterial.Dark visualEffectView.blendingMode = NSVisualEffectBlendingMode.BehindWindow self.addSubview(visualEffectView) 回答1: You can enable layer backed views for your NSVisualEffectView by setting wantsLayer to true and then set the cornerRadius of the backing layer: let

问题 How display a NSVisualEffectView with with rounded corners in OS X? My code to add my NSVisualEffectView: let visualEffectView = NSVisualEffectView(frame: NSMakeRect(0, 0, 300, 300)) visualEffectView.material = NSVisualEffectMaterial.Dark visualEffectView.blendingMode = NSVisualEffectBlendingMode.BehindWindow self.addSubview(visualEffectView) 回答1: You can enable layer backed views for your NSVisualEffectView by setting wantsLayer to true and then set the cornerRadius of the backing layer: let

问题 I'm experiencing an issue with running an opencv program in Xcode. I keep getting this error: https://i.stack.imgur.com/F6Gpu.png . Xcode works with other opencv programs, so I have no idea what would be causing this issue & how I would go about fixing it. Any and all help would be greatly appreciated. 回答1: My solution was to delete /Application/Xcode.app as well as /Library/Developer and ~/Library/Developer and reinstall Xcode. Edit: The error reappeared. Not sure why. I had the Xcode-Beta

问题 I'm experiencing an issue with running an opencv program in Xcode. I keep getting this error: https://i.stack.imgur.com/F6Gpu.png . Xcode works with other opencv programs, so I have no idea what would be causing this issue & how I would go about fixing it. Any and all help would be greatly appreciated. 回答1: My solution was to delete /Application/Xcode.app as well as /Library/Developer and ~/Library/Developer and reinstall Xcode. Edit: The error reappeared. Not sure why. I had the Xcode-Beta

问题 I installed the Xcode-11-beta along with macOS 10.15 beta. At first I can play with SwiftUI preview normally. But after I tried to move the Xcode-beta from the ~/Downloads directory where I initially installed it, to /Applications , the preview can't work. Here is the error: So I moved it back to ~/Downloads , hoping things will go well as before. But it gives the same error. After this, I reinstalled it and I still got this error. Can anyone help me fix it? The content of diagnostics report

问题 I am using xCode 7 beta and swift, and storing my data using Parse.com. In which method in the UITableViewController should I be asking for data from my database? I need to ensure it is all present by the point in the lifecycle of the controller at which the cells need to be presented. Is there anyway to guarantee this if I am loading data asynchronously? 回答1: viewDidLoad would be a good place for this but there might be a few second difference between displaying a blank tableView and when it

问题 I am using xCode 7 beta and swift, and storing my data using Parse.com. In which method in the UITableViewController should I be asking for data from my database? I need to ensure it is all present by the point in the lifecycle of the controller at which the cells need to be presented. Is there anyway to guarantee this if I am loading data asynchronously? 回答1: viewDidLoad would be a good place for this but there might be a few second difference between displaying a blank tableView and when it

问题 My app was converted from a non-document-based app to a document-based one. I did that by creating a subclass of NSDocument , called Document . I also created a Document.xib and set its "File's Owner" to Document . Now in Document.xib , I can see there is a window outlet in its "File's Owner". I don't have a window outlet defined in Document . Where does it come from? I guess it is from the super class NSDocument , but I have no access to that variable in Document . What's up with this weird

问题 I'm trying to upload a video to youtube using GTLRYouTubeService from my iOS-app The login process is done via GIDSignIn and works so far. When the user logged in, I'm setting up the youtube-service: self.youTubeService = [GTLRYouTubeService new]; self.youTubeService.APIKey = API_KEY; self.youTubeService.authorizer = user.authentication.fetcherAuthorizer; Then I'm preparing the video object like this: GTLRYouTube_VideoStatus *status = [GTLRYouTube_VideoStatus object]; status.privacyStatus = @