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2014/10/15 ¤U¤È 10:05:07
iphone Programming Glossary: clearlyUITableView: deleting sections with animation http://stackoverflow.com/questions/1061071/uitableview-deleting-sections-with-animation of sections rows in the table . Before I lose you because of the shear length of my post let me state the problem clearly and you can read as much as you require to provide an answer. Problem If batch deleting rows AND sections from a UITableView..
Any quick and dirty anti-aliasing techniques for a rotated UIImageView? http://stackoverflow.com/questions/1136110/any-quick-and-dirty-anti-aliasing-techniques-for-a-rotated-uiimageview image is rotated and drawn the edges appear noticeably jagged. Is there anything I can do to make it look better It's clearly not being anti aliased with the background. iphone cocoa touch uiimageview uiimage antialiasing share improve this question..
What's the difference between NSNumber and NSInteger? http://stackoverflow.com/questions/1285098/whats-the-difference-between-nsnumber-and-nsinteger many float values outside of time intervals. So they gave NSTimeInterval which is a floating point type but that is clearly intended for use with time intervals. And frankly it's great to have that type because you know it's always meant to be..
FFmpeg on iPhone - Modifying Video Orientation http://stackoverflow.com/questions/2208522/ffmpeg-on-iphone-modifying-video-orientation I checked out the FFmpeg implementation for static int mov_read_tkhd MOVContext c ByteIOContext pb MOVAtom atom which clearly shows how the matrix is accessed in avformat but when I try to access the header bytes using the same functions I am not..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer the accelerometer and to make a pointer move toward these values proportionally to the size of the screen. But this is clearly not enought I have a very low accuracy and if I shake the device it also makes the pointer move... Any ideas about that..
How does Apple know you are using private API? http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api since I do not work in the Apple review team. 1. otool L This will list all libraries the app has linked to. Something clearly you should not use like IOKit and WebKit can be detected by this. 2. nm u This will list all linked symbols. This can detect..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization . Answering this requires you to first answer the question of what is pre mature optimization . Since that definition clearly varies so greatly any meaningful answer requires the author to define the term. That's why I don't really think this is..
Best way to save data on the iPhone http://stackoverflow.com/questions/307313/best-way-to-save-data-on-the-iphone state of my application 5K or so . My main worry is data persisting across upgrades. Some of the applications I use clearly got this wrong and I would prefer not to iphone objective c share improve this question To save state NSUserDefaults..
How to integrate NSURLConnection with UIProgressView? http://stackoverflow.com/questions/312796/how-to-integrate-nsurlconnection-with-uiprogressview this question Not sure what I'm missing here but your filesize being 1 seems to be your problem. The API docs clearly state that expectedContentLength may not be available and that NSURLResponseUnknownLength is returned in these cases. NSURLResponseUnknownLength..
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 Nearest information I found is an answer here How Does Appcelerator Titanium Mobile Work but I do not understand clearly how the process works. Is the javascript code being compiled into a binary code what compiler is used then or is it just..
Keep uitableview static when inserting rows at the top http://stackoverflow.com/questions/4279730/keep-uitableview-static-when-inserting-rows-at-the-top display Wrapping the whole thing in a beginAnimation commitAnimation doesn't help much either. Update 2 This can clearly be done see the offical twitter app for one when you pull down for updates. iphone uitableview uikit uiscrollview share..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now of the methods work they don't actually work because there is a bizarre progressive slow down artifact you will see clearly in the demo. Scroll to the 'answer' I pasted in below showing the console output you can see how it progressively slows...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related? http://stackoverflow.com/questions/4961386/event-handling-for-ios-how-hittestwithevent-and-pointinsidewithevent-are-r apple documents are very well written I think ' Event Handling Guide for iOS ' is an exception. It's hard for me to clearly understand what's been described there. The document says In hit testing a window calls hitTest withEvent on the top most..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy undo etc omitted NSMutableString copy arg mutableCopy NSMutableString prev str1 str1 copy prev release the result is clearly defined. return a copy for thread safety expected behavior and to minimize further copies when handling the result. NSString..
Creating a JSON Store For iPhone http://stackoverflow.com/questions/5237943/creating-a-json-store-for-iphone and UITableViewController delegates make it trivial. 4 With high complexity and high size Core Data is clearly the superior choice. Core Data is highly optimized so that increase in graph size don't bog things down as much as they..
What are the Dangers of Method Swizzling in Objective C? http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c are mixed up and everything gets jumbled in your head. Again the alternative implementation addresses this. You'll see clearly named functions in backtraces. Still swizzling can be difficult to debug because it's hard to remember what impact the swizzling..
iphone+Difference between nil,NIL and null http://stackoverflow.com/questions/5908936/iphonedifference-between-nil-nil-and-null null null pointer to primitive type or absence of data. But I'm not able to get the terms objective c object and class clearly. Please explain me this and is there any word like NSNULL or NSnil in objective c If yes then please explain for what it..
Unable to process application info.plist validation at this time due to a general error (1095) http://stackoverflow.com/questions/8353049/unable-to-process-application-info-plist-validation-at-this-time-due-to-a-genera the net but did not find the solution still. iphone xcode ios5 error handling share improve this question This is clearly an Apple server issue not an Xcode iOS OSX issue. Just wait patiently and Apple's servers will catch up to the traffic or..
Can an iPhone app block phone calls? http://stackoverflow.com/questions/884289/can-an-iphone-app-block-phone-calls
Is there any way to determine if the iphone is roaming? http://stackoverflow.com/questions/900547/is-there-any-way-to-determine-if-the-iphone-is-roaming for this Couldn't find anything related. Further steps Does anyone have any advice here I know this is possible. Apple clearly has made it very difficult to find however. I highly doubt this is possible without using a private framework. such as CoreTelephony..
?examine a response while webView:shouldStartLoadWithRequest:naviagiontType… waits? http://stackoverflow.com/questions/1176936/examine-a-response-while-webviewshouldstartloadwithrequestnaviagionttype-w NO By executing the runloop you allow event processing to continue which lets your delegate methods get called. Clearly you need to detect when it is done and stop running the runloop which is what the waitingForResponse ivar is for. Because..
How can i start my UITableView section with number 0 when i have multiple sections? http://stackoverflow.com/questions/12455094/how-can-i-start-my-uitableview-section-with-number-0-when-i-have-multiple-sectio aren't invoked in strictly sequential fashion. That's just how it happens to work and you can't change this behavior. Clearly your sections appear in the right order in the app but they just don't happen to be invoked sequentially. That's just the..
Parse NSURL path and query (iphoneOS) http://stackoverflow.com/questions/1967399/parse-nsurl-path-and-query-iphoneos NSURL path and query iphoneOS Are there any standard objects or functions to parse an NSURL's components Clearly I could write one but why re invent the wheel NSURL path will return an NSString like argX x argY y argZ z What I would..
Allow UIWebView to load http://localhost:port/path URIs without an Internet connection http://stackoverflow.com/questions/3209278/allow-uiwebview-to-load-http-localhostport-path-uris-without-an-internet-conn with the following NSError object Error Domain NSURLErrorDomain Code 1009 UserInfo 0x1b4a50 no Internet connection Clearly the SDK is being clever and detecting that it has no Internet connection but it should be possible to access 127.0.0.1 localhost..
How to get UIButton Target, Action and Control events? http://stackoverflow.com/questions/5182860/how-to-get-uibutton-target-action-and-control-events a little simpler. It all works well until I decided to implement id initWithObject AUIImageViewButton imageViewButton. Clearly I need to copy all relevant properties from the imageViewButton object being passed. The UIImageView is not problematic..
Xcode consistency error: Setting the No Action Delete Rule… is an advanced setting http://stackoverflow.com/questions/5629481/xcode-consistency-error-setting-the-no-action-delete-rule-is-an-advanced-set across different MOCs the MOC that saved didn't own the updated entity so the relationship was never saved . Clearly when you delete both a and b the relationships should also be removed so one assumes that the relationship disappears only..
http://stackoverflow.com/questions/6233837/how-to-tell-programmatically-if-there-are-are-not-any-registered-apps-that-s So can I find out whether or not there are any no registered apps that support opening a specific document type Clearly UIDocumentInteractionController instances can find this out. Is there a public API way of finding it out iphone ios uti..
How to disable iOS System Sounds http://stackoverflow.com/questions/6284402/how-to-disable-ios-system-sounds . Part of the reason for this is that the accessory is such that it is intended to be used during a live performance. Clearly it would be annoying to have e mail alert or any other system sound running through and amplified crazy loud . I have looked..
Retain Cycles: Why is that such a bad thing? http://stackoverflow.com/questions/791322/retain-cycles-why-is-that-such-a-bad-thing each other. This means their reference counts never go to zero and they don't get deleted. This is a memory leak. Clearly you can do some careful management and break the cycles before you drop your reference to a group of objects you don't want..
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