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2014/10/15 ¤U¤È 10:03:29
iphone Programming Glossary: accuratelyHow to get notified when our app is uninstalled in iOS http://stackoverflow.com/questions/10781203/how-to-get-notified-when-our-app-is-uninstalled-in-ios iphone ios push apple push notifications feedback share improve this question As Oleg said there is no way to accurately detect if your app was uninstalled. The APNS feedback service returns a timestamp and a push token for messages it was not..
Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the dealing with urban areas where locations are close to each other so I need to pin point the location of the user as accurately as the device allows without sacrificing too much time. My calculations are darn accurate the problem is it takes far too..
iPhone Accelerate Framework FFT vs Matlab FFT http://stackoverflow.com/questions/10820488/iphone-accelerate-framework-fft-vs-matlab-fft but part of the project I am working on requires the FFT of a single vector. The matlab function fft x works accurately for what I need but after trying to set up the Accelerate Framework fft functions I get completely inaccurate results. If..
http://stackoverflow.com/questions/11710463/viewcontroller-addsubview
How make a game loop on the iPhone without using NSTimer http://stackoverflow.com/questions/1351234/how-make-a-game-loop-on-the-iphone-without-using-nstimer in the game loop. I use my own clock timer to keep track of the amount of time that has elapsed so that I can do this accurately. Rendering happens as fast as possible. I try to use some of the techniques as described in this article This is somewhat..
iPhone App floating point calculations when released to the app store. http://stackoverflow.com/questions/14210621/iphone-app-floating-point-calculations-when-released-to-the-app-store voltage @dynamic profileDischarge NSNumber dischargeAmpH float totalWattsPD Calculate the watts per day so we can accurately calculate the percentage of each item line for BBDischarge currentDischarge in self.profileDischarge float totalWatt currentDischarge.wattage..
UIBarButtonItem Custom Background Appearance 'Jumping' after flip transition http://stackoverflow.com/questions/15261148/uibarbuttonitem-custom-background-appearance-jumping-after-flip-transition forState UIControlStateNormal barMetrics UIBarMetricsDefault My button is 'jumping' or updating it's width or more accurately the padding on each side of the text on a horizontal flip. self.navigationItem.leftBarButtonItem UIBarButtonItem alloc initWithTitle..
How to preserve iPhone application state before terminating the application? http://stackoverflow.com/questions/1811696/how-to-preserve-iphone-application-state-before-terminating-the-application stack of the selected tab as well then you'll need to store enough information so that the navigation stack can be accurately reconstructed. What information you should store in NSUserDefaults is hard to quantify in a general sense as it is highly..
Measuring velocity via iPhone SDK http://stackoverflow.com/questions/1994018/measuring-velocity-via-iphone-sdk based on very few other apps I've seen notably gMeter which claims to make no use of GPS but calculates velocity accurately. I'm really surprised there are no references or any sample code that demonstrates this anywhere that I can find. I realize..
How to: Save order of tabs when customizing tabs in UITabBarController http://stackoverflow.com/questions/2034183/how-to-save-order-of-tabs-when-customizing-tabs-in-uitabbarcontroller variables for UITabBarItem objects assigned to each UIViewController stuffed in my UITabBarController . To be able to accurately track last selected tab including the 'More' one I've implemented following methods for UITabBarControllerDelegate of my..
Determining the magnitude of a certain frequency on the iPhone http://stackoverflow.com/questions/2921674/determining-the-magnitude-of-a-certain-frequency-on-the-iphone integer k. Find the closest k If you need more frequency resolution increase N. Signals sampled at Fs are only able to accurately represent frequencies up to but not including Fs 2 Nyquist rate . This is why I showed that the mapping from k to Hz is..
http://stackoverflow.com/questions/3282866/avplayer-vs-avaudioplayer
what actually is File Owner and First Responder in iPhone SDK - xCode? http://stackoverflow.com/questions/3768602/what-actually-is-file-owner-and-first-responder-in-iphone-sdk-xcode first object in the responder chain that can respond to events. The responder chain is a runtime collection or more accurately a hierarchy of objects that can respond to an event. For example consider you have a window with a view and on that view..
What happens to JavaScript code after app is compiled using Titanium Mobile http://stackoverflow.com/questions/4217551/what-happens-to-javascript-code-after-app-is-compiled-using-titanium-mobile c titanium share improve this question Titanium is not a wrapper around a web view as stated before though that accurately explains how Phonegap works . Jeff's answer linked in the question is a technically correct explanation of how Titanium..
Failed to save to data store: The operation couldn?™t be completed. (Cocoa error 133020.) http://stackoverflow.com/questions/4625232/failed-to-save-to-data-store-the-operation-couldnt-be-completed-cocoa-error error userInfo Factory class is described here but probablly there is a problem with a context that is not refreshed accurately after sync procedure. iphone objective c ios core data share improve this question According to http developer.apple.com..
What are the key concepts for an iPhone Developer to learn? [closed] http://stackoverflow.com/questions/5677655/what-are-the-key-concepts-for-an-iphone-developer-to-learn objects generally fit into one of three roles. You have the Model which is at the most basic level your data. Or more accurately how the data is structured. You have the View which is what the user sees on the screen. Lastly you have the Controller..
How do I accurately time how long it takes to call a function on the iPhone? http://stackoverflow.com/questions/646815/how-do-i-accurately-time-how-long-it-takes-to-call-a-function-on-the-iphone do I accurately time how long it takes to call a function on the iPhone I would like to know how long it's taking to send a message to..
REQUEST_DENIED in responce of Google Places API Request (sensor=true) http://stackoverflow.com/questions/8833085/request-denied-in-responce-of-google-places-api-request-sensor-true
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