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Is it possible to do something like layers in Sprite Kit, where blend modes like multiply is processed in each layer individually? I am trying to make shapes only visible when they are intersecting other shapes (only the intersecting part should be visible), and I've tried to do this with the multiply blend mode. The problem is that the multiply blend mode also affects the background, so it's visible everywhere, not only when intersecting. My thought was that if I could have layers, I could have the background in one layer, and the shapes in another layer such that the multiply blend mode don't affect the background.

iPhone 6 Plus running iOS 9 beta...In Safari the pull down functionality of Request Desktop Site is missing. Was it moved somewhere else?

Using 10.11 and Logitech's Unify sofware (v3.9.2) and trying to detect my wireless mouse. When tring to pair the devices, the pairing process times out and displays trouble shooting screen. Is it that the Unfiy software just does not work with 10.11?

I had a posting in the older forums about this issue. I never really found a solution. Maybe I can try posting again and see if anyone has some good advice.I am a big fan of TDD. One of the techniques I picked up was dependency-injection. Objective-C is a very laid-back language when it comes to type-checking. It is very easy for the compiler to let you swap a test-double class for a production class. I am having a problem in Swift that you might be able to help with.class ChildClass { } class ParentClass { func child() -> ChildClass { return ChildClass() } } protocol ChildProtocol { } extension ChildClass: ChildProtocol { } protocol ParentProtocol { func child() -> ChildProtocol } extension ParentClass: ParentProtocol { }This code is failing to build. Swift does not believe that ParentClass can conform to ParentProtocol. This is a contrived example. I will show you a real example where I would use this pattern in a real app.import Foundation protocol SessionTaskType { } extension NSURLSessionDataTask:

I notice when I used Siri a while ago the words just stayed their. They didnt go up like it usually does. Also sometimes after I say something like Post a Tweet she says I'm unable to find a connection by saying uh oh Happens with Facebook too. Anyone else experiencing the same thing? Sorry I tried to explain it the best I could. 😟

Has anyone else ran into the issue of telling a location manager to defer updates but still get regular location updates via didUpdateLocations?I have:Killed all apps from multitasking barVerified that no other app is using location servicesUnplugged the device from debugger and MacBook (Verify it is still getting call by logging didUpdateLocations to a file)Made sure that the device supports deferred updatesMade sure that 5 fixes in a row are processed within 2 seconds of the previous before deferringMade sure that the distanceFilter is None, the desiredAccuracy is Best, the activityType is Navigation (have also tried OtherNavigation), and that pauseLocationUpdates is YES (Have tried NO too)And potentially more that I cannot rememberIs this method something that the OS decides to do if it needs to and when it does need to it just provides the updates at the a normal interval of 1hz?

setting ccokies for an HTTP request in UIWebView was relatively easy compared to WebKit where it seems you have to use JavaScript injection and manually form the cookies. Is there an easier or comparable way to do this with WebKit?

I am having a 100% failure trying to open the Simulator in xcode 7 beta. Either when I try to run an app or open the simulator from Open developer tool, it immediately crashes with this message:Process: Simulator [9467]Path: /Applications/Xcode-beta.app/Contents/Developer/Applications/Simulator.app/Contents/MacOS/SimulatorIdentifier: com.apple.iphonesimulatorVersion: 9.0 (602)Build Info: Indigo-602000000000000~29Code Type: X86-64 (Native)Parent Process: ??? [1]Responsible: Simulator [9467]User ID: 501Date/Time: 2015-06-15 20:33:46.294 -0700OS Version: Mac OS X 10.10.3 (14D136)Report Version: 11Anonymous UUID: 015164CE-38DB-27C6-9EF3-447DD92F2AB7Time Awake Since Boot: 2200 secondsCrashed Thread: 0Exception Type: EXC_BREAKPOINT (SIGTRAP)Exception Codes: 0x0000000000000002, 0x0000000000000000Application Specific Information:dyld: launch, loading dependent librariesDYLD_INSERT_LIBRARIES=/usr/lib/libignitor2.dylibDyld Error Message: could not load inserted library '/usr/lib/libignitor2.dylib' because no s