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I have declared an mutablearray and the count should not exceed 100. If some one calls addObject method to add an item to that array when the count is 100 then that method call should not be executed until someone removes an item so that count will go down below 100. Can we use semaphore or group dispatch for signalling or mutex/NSLock is… (Show more)
in Objective-C
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Is there any restrictions on Custom URL scheme names? URL scheme name "httpabc" works but "http:abc" doesn't work. So wanted to know the restrictions imposed by Apple as I couldn't find relavent document in developer portal?
in Objective-C
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referral url parameter is nil if universal link is from 3rd party browser like chrome/opera. How to detect the browser app and its URL scheme used for universal link?
in Objective-C
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I know universal link(Assocaited domains) can be used for web to app communication. Can we use the same for app to app communication?
in Processes
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Is there a way to know the source(native app, universal link,  webapp) which invokes the app running background?
in Cocoa Touch
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Is there any mechanism to generate a unique string/token(like UUID/ identifierForVendor) in device and verify the same in host/server?
in Security
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I am loooking for architecture diagram on how on demand resource works and wanted to know how to host the images/assets in the appstore to download the content on demand.   I believe app need to specify the server where images are hosted and Apple will download on behalf of the developer and it can be accessed through… (Show more)
in Objective-C
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I believe time complexity for rangeOfString:options method is O(n) and for componentsSeperatedByString is also O(n). If its correct, please let me know whether any method available with better time complexity.
in Objective-C
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I want to store static NSString securely. I am storing in plist file but its not secure as it can retrieved if anyone gets IPA. Is there any way to store a string or token securely?
in Cocoa Touch
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willAnimateRotationToInterfaceOrientation - this deprecated API is getting called when app enters background and "toOrientation" is incorrect. If I put the app in background when the device is in portrait, willAnimateRotationToInterfaceOrientation is getting called and toInterfaceOrientation is set to LandscapeLeft.
in Cocoa Touch
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I know device check is set and get two bit information. Can we use that API  directly or indirectly to store and get app/jws/jwt tokens?
in Security
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