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2014/10/15 ¤U¤È 10:03:31
iphone Programming Glossary: aheadhttp://stackoverflow.com/questions/14659563/to-drawrect-or-not-to-drawrect-when-should-one-use-drawrect-core-graphics-vs-su the when's and why's to use one over the other. I also understand that it doesn't make sense to optimize that much ahead of time and do something the more difficult way before doing any profiling. Consider that I'm comfortable with both methods..
Crossplatform iPhone / Android code sharing http://stackoverflow.com/questions/2380258/crossplatform-iphone-android-code-sharing code between iPhone and Android builds The two most common scenarios I think would be Blank slate new project knowing ahead of time there is a large chunk of reusable logic that needs to run on each device. Existing iPhone code base porting of..
Reset push notification settings for app http://stackoverflow.com/questions/2438400/reset-push-notification-settings-for-app
How do I put a clear button inside my HTML text input box like the iPhone does? http://stackoverflow.com/questions/2803532/how-do-i-put-a-clear-button-inside-my-html-text-input-box-like-the-iphone-does it just nicely separates the logic needed for progressive enhancement from the source you can of course also go ahead with plain HTML CSS JS DOCTYPE html html lang en head title SO question 2803532 with plain HTML CSS JS title style span.deleteicon..
Alternatives to weak linking in iPhone SDK? http://stackoverflow.com/questions/3056016/alternatives-to-weak-linking-in-iphone-sdk use new constants types or functions you can do something like if UIApplicationWillEnterBackgroundNotification nil go ahead and use it If you need to know if you can use anew methods on an already existing class you can do if existingInstance respondsToSelector..
http://stackoverflow.com/questions/3088624/support-legacy-iphone-users methods but I'm concerned that this is a hassle for end users. So what's the general experience on this Do you plunge ahead with the latest and greatest or stick with the current version p.s. This assumes GM installs of the OS on end users when..
viewWillAppear, viewDidAppear not being called, not firing http://stackoverflow.com/questions/3560669/viewwillappear-viewdidappear-not-being-called-not-firing iphone objective c uitabbarcontroller viewwillappear share improve this question I'm going to go ahead and disagree with @St3fan and use UIKit as the counter example. However the wisdom or lack thereof of embedding controllers..
Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints? http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints full PDF page to a CALayer individual tiles can be seen rendering even with a tileSize tweak CALayers cant be prepared ahead of time rendered off screen . Generally PDF viewers are pretty heavy on memory too. Even monitor the memory usage of apple's.. is this one Note that images will render faster than a CGPDFPageRef Use NSOperations or GCD Blocks to prepare pages ahead of time. call CGContextSetInterpolationQuality ctx kCGInterpolationHigh CGContextSetRenderingIntent ctx kCGRenderingIntentDefault..
Breakdown of iOS versions being used [closed] http://stackoverflow.com/questions/5291823/breakdown-of-ios-versions-being-used speaking you do not have to worry about legacy nonsense. There's no NT Vista W97 etc here Forget legacy and move ahead Quite simply in the Apple universe paying customers do not hold on to legacy. You can assume Apple users are paying customers..
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 the same arguments that were given. The implementation it finds is the original implementation of setFrame so it goes ahead and calls that but the _cmd argument isn't setFrame like it should be. It's now my_setFrame . The original implementation..
iPhone TBXML Looping And Parsing Data http://stackoverflow.com/questions/5406424/iphone-tbxml-looping-and-parsing-data retain NSMutableArray records void loadRecords NSString records void traverseElement TBXMLElement element @end Now go ahead and charge into your implementation. We now need to implement those two methods to do what we want them to do. void loadRecords..
Example or explanation of Core Data Migration with multiple passes? http://stackoverflow.com/questions/5995231/example-or-explanation-of-core-data-migration-with-multiple-passes steps because it's taking long to migrate 2k entries and we like to keep the memory footprint low. You could even go ahead and split these mapping models further to migrate only ranges of the entities. Say we got one million records this may crash..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop and even though I feel constantly that I am right on the edge of revelation I simply cannot achieve my goal. I thought ahead of time in the conceptual phases of my design that it would be a trivial matter to grab a image from the iPhone's camera..
What causes “Missed Method” in this code? http://stackoverflow.com/questions/6323244/what-causes-missed-method-in-this-code causes &ldquo Missed Method&rdquo in this code Apologies ahead of time if this is a completely off the mark question or if I'm not including enough information I'm very new to iOS development..
How can I locally detect iPhone clock advancement by a user between app runs? http://stackoverflow.com/questions/7122216/how-can-i-locally-detect-iphone-clock-advancement-by-a-user-between-app-runs by a user between app runs A common exploit in casual games is to artificially advance the system clock to jump ahead in gameplay. How can such user clock advancement be detected by an app on an iOS device Must not involve network communication..
What exactly does delegate do in xcode ios project? http://stackoverflow.com/questions/7215698/what-exactly-does-delegate-do-in-xcode-ios-project this question It's a key concept to understand conceptually so getting your head around how to think about it ahead of the technical details is important. Simply put a delegate is a callback. Two main scenarios to use delegates A class..
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample my app see code below I check if the user has iCloud enabled. If iCloud is enabled everything is fine. The app goes ahead and looks for text.txt in the cloud. If found it will load it and display it to the user. If text.txt is not found in the..
How to override -drawrect in UIButton subclass? http://stackoverflow.com/questions/816024/how-to-override-drawrect-in-uibutton-subclass the text I need. The problem is that the text ends up under the button. After I write my text UIButton's drawrect goes ahead and draws on top of me. I am not even calling super drawrect rect even though I was anticipating calling it before I did..
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