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duan

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1481.09 (4,492,535th) 		Reputation
4,501 (37,029th)
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Title Δ
“the network is offline, Origin is not allowed by Access-Control-Al... -3.89
How to detect Light\Dark mode change in iOS 13? -3.73
How to Scale and Center UIBezierPath? -2.02
How to display compact view in Xcode preview? 0.00
How to declare protocol for HKT in swift? 0.00
How to clear NSTextView selection without it becoming first respond... 0.00
RxSwift how to have two Observables be bound for completion together? 0.00
RxSwift: What is the best practice to use DisposeBag? -0.06
RxSwift replacement shouldChangeCharactersInRange -4.12
How to disable user interaction of NSTextView? 0.00
Swift 3 func(completed issue +4.11
Python Flask ValueError: View function did not return a response +4.09
Zoom Effect on Paging UIScrollView? -1.89
optional type () cannot be used as boolean; test for '!=nil'... 0.00
Drag a UIView on the bounds of another UIView (with a rounded corner) -3.62
How do I use animationWithDuration and Chameleon Gradients? 0.00
How do I draw a filled circle using SpriteKit? -3.81
UIImagePicker: How to always pick square image from camera library? 0.00
How to avoid bloated ViewController in MVC with Swift? 0.00
Adjust UIView frame on dragging -2.73
AdBannerView in TableViewController is shown after TableView -3.98
iOS Playground doesn't show UI preview 0.00
ContentView background colour Swift 0.00
Traversing from AppDelegate to other controllers -1.99
Pause in SpriteKit game 0.00
How to draw an arrow inside a disk? +3.88
Cannot invoke 'functionName' with an argument list of type... 0.00
Swift | Ignore transparent parts of sprite when detecting collisions? 0.00
Swift - How to create a view with a shape cropped in it -0.26
Navigation Bar not showing in Storyboard in Xcode 6 -4.01
fatal error: unexpectedly found nil while unwrapping an Optional va... 0.00
Get absolute coordinates of point from scene with anchorPoint of (0... +0.09
Using Storyboard, how do I add a padding to my TableViewController? +3.96
How do i save an image in core data then retrieve it? Using swift +2.03
What's the difference between "drawViewHierarchyInRect&quo... 0.00
Cannot divide two NSNumbers in swift? -4.03
How can I get the authorization status to Photo/Camera on IOS? +4.01
Non-standard Core Data setup -4.36
Video preview screen freezes UIImagePickerController 0.00
Animation ends with error in custom interactive transitioning anima... 0.00
IOS Slide In/Out webview +3.98
How to write plist file to non-simulator path? 0.00
Implementing iAd in Sprite Kit with Swift 0.00
What's the usage of "#" in Swift 0.00
Property with '= {return}()' or '{return}'? +4.28
Pass NSString values from one ViewController to Another using Notif... -0.88
How to invoke [self new] in Swift -1.87
Pass one variable from one viewcontroller to another viewcontroller -2.14
Core image filter's output image is nil second time it is run o... 0.00
Top screen iAd in Sprite Kit 0.00