¡@
2014/10/15 ¤U¤È 10:16:01
iphone Programming Glossary: worstApple PNS (push notification services) sample code http://stackoverflow.com/questions/1052645/apple-pns-push-notification-services-sample-code find anything using google or in the iphone dev center. iphone push notification share improve this question The worst part about setting up the push notification service is the provisioning. The major stumbling block that I came across was..
Optimized Image Loading in a UIScrollView http://stackoverflow.com/questions/1098234/optimized-image-loading-in-a-uiscrollview puzzled by the jerky scrolling. Since NSOperationQueue runs operations on separate thread s I'd have expected at worst you might see empty UIImageViews showing up on the screen. First and foremost I'd be looking for things that are impacting..
what is retain count in objective c? http://stackoverflow.com/questions/1206111/what-is-retain-count-in-objective-c the retainCount. However you should never pay any attention to the value of retainCount it is at best confusing at worst misleading. Simply follow the memory management rules take ownership when you need to keep a reference to an object and..
http://stackoverflow.com/questions/12546498/ios-6-auto-rotate-confusion
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application a stack and from which you retrieve a context typically at best introduces a needless level of indirection and at worst introduces unnecessary application rigidity. No example retrieves the context using UIApplication delegate managedObjectContext..
I get error 0x8badf00d in iPhone app, and is not the usual suspect http://stackoverflow.com/questions/1282491/i-get-error-0x8badf00d-in-iphone-app-and-is-not-the-usual-suspect explained in http stackoverflow.com questions 773442 what does 8badf00d mean 779387 because the app launch fast. The worst is that the crash log can't be simbolicate I can't get the sourcecode line numbers . This is the error Exception Type 00000020..
programmatically identifing the iphone device http://stackoverflow.com/questions/1403854/programmatically-identifing-the-iphone-device from UIDevice which is an unfortunately poorly designed API. It provides you with exactly the wrong information in the worst possible format strings. Erica Sadun has an extension to UIDevice that may be useful here . It's just a wrapper for sysctlbyname..
More iCloud Core Data synching woes http://stackoverflow.com/questions/14478517/more-icloud-core-data-synching-woes iCloud Core Data synching woes So it finally happened. The worst case scenario for any independent iPhone developer occurred. Several users are reporting complete data loss after upgrading..
Disadvantage of using NSMutableArray vs NSArray? http://stackoverflow.com/questions/1746204/disadvantage-of-using-nsmutablearray-vs-nsarray thing __CFArray NSArray and NSMutableArray should have the same performance complexity access time being O lg N at worst and O 1 at best and the only difference being how much memory the two objects would use NSArray has a fixed limit while..
http://stackoverflow.com/questions/2715015/streaming-to-iphone-via-m3u8 main window is opaque you will not see the player never. I don't know if the native player supports M3U files in the worst case you have to intercept the MPMoviePlayerPlaybackDidFinishNotification event and then play the next file. Hope this helps...
iphone Location Services code that works on OS 4.1 in appstore http://stackoverflow.com/questions/3852028/iphone-location-services-code-that-works-on-os-4-1-in-appstore . Basically location services fails to turn on and doesn't even ask the user for permission to get their location. The worst thing about the bug is that it doesn't occur when you're installing the app to a device from XCode it occurs you when you're..
Is there any way to use window.onbeforeunload on Mobile Safari for iOS devices? http://stackoverflow.com/questions/4127621/is-there-any-way-to-use-window-onbeforeunload-on-mobile-safari-for-ios-devices use of this event probably using cookies to store the thing you wanted to send every x seconds and allowing to in the worst case have a look at it next time the user loads a page and in the best case be able to send an Ajax request at onbeforeunload..
What determines the presence of the iPhone Location Services icon in the status bar? http://stackoverflow.com/questions/4413963/what-determines-the-presence-of-the-iphone-location-services-icon-in-the-status my app delegate gets control and stays visible as long as the app is installed running or not. This is clearly the worst case possible and it made me doubt my use of CLLocationManager . I would elaborate on my use but as an extreme case I tried..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener 4 . According to the PowerVR PVRUniSCo compiler part of their SDK this shader uses 11 GPU cycles at best 16 cycles at worst. I'm aware that you're advised not to use branching in a shader but in this case that led to better performance than otherwise... was actually worse than when using simple squares for this. Tiler utilization was still less than 60 in the worst case so maybe the larger geometry was resulting in more cache misses. EDIT 5 31 2011 Based on Pivot's suggestion I created..
Does Key Value Observing Work on UITextView's Text Property? http://stackoverflow.com/questions/6333600/does-key-value-observing-work-on-uitextviews-text-property Key Value Observing Work on UITextView's Text Property I'm having the worst time getting key value observing working in with a UITextView's text property. I can successfully add the observer I can..
UIModalTransitionStylePartialCurl with UITabBarController http://stackoverflow.com/questions/6873903/uimodaltransitionstylepartialcurl-with-uitabbarcontroller UIView animations CoreAnimation rather than UIModalTransitionStylePartialCurl as a modal transition style this is at worst a solution not allowed in the App Store and at best is not quite the same effect as one gets from UIModalTransitionStylePartialCurl..
Moving a Stick figure, anchorpoints, animation, or something else…? http://stackoverflow.com/questions/7808981/moving-a-stick-figure-anchorpoints-animation-or-something-else Modifying the anchorPoint can result in undesirable behavior when rotating or scaling nodes. Let's assume an odd worst case but entirely possible scenario where the anchorPoint is no longer inside the texture ._______. ° ° That..
iPhone - strange error when testing on simulator http://stackoverflow.com/questions/788277/iphone-strange-error-when-testing-on-simulator
Convert UIWebview contents to a UIImage http://stackoverflow.com/questions/858788/convert-uiwebview-contents-to-a-uiimage of them 2 10 at a time . UIWebView is a little heavy and although I haven't attempted it yet I am planning for the worst. I don't think this is premature optimization I 'm almost positive this will be an issue To get around the problem I figured..
|