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2014/10/15 ¤U¤È 10:03:56
iphone Programming Glossary: argueInternal properties versus ivars http://stackoverflow.com/questions/10469488/internal-properties-versus-ivars method over the other iphone objective c ios automatic ref counting share improve this question While some may argue that the choice is a matter of preference and they do have a point there is a very good reason that most modern languages.. to be changed. With a property you would only need to override setIVarName and put the validation there. One could argue that one is just as easy as the other and that may be true in many cases but there is one handicap with the iVar here you..
http://stackoverflow.com/questions/1248575/security-implications-of-storing-a-password-in-settings-bundle-and-getting-with is to use the keychain. The counter to that is that many applications use NSUserDefaults to store passwords. You could argue that unless the password controls access to information of any value then it's not worth the effort in trying to use the..
declaring global variables in iPhone project http://stackoverflow.com/questions/1249131/declaring-global-variables-in-iphone-project the declaration from the initialization ie the object is not created near where it's declared . Some might argue this is not proper and they might be correct. Option #3 is nice because then you never have to remember to #import anything..
Conditional support of iOS 6 features in an iOS 5 app http://stackoverflow.com/questions/12589866/conditional-support-of-ios-6-features-in-an-ios-5-app animated YES completion ^ done else self presentModalViewController viewController animated YES You could even argue that you should be more strict and do something like if self respondsToSelector @selector presentViewController animated..
Why should I use Core Data for my iPhone app? http://stackoverflow.com/questions/1883879/why-should-i-use-core-data-for-my-iphone-app app but I'm still not sure I can justify using Core Data with our time constraints the learning curve looks steep. If argue to my boss that we should be using Core Data what bullet points can I shoot at him Logic grenades are also appreciated...
Detecting the type of iPhone interrupt http://stackoverflow.com/questions/1895815/detecting-the-type-of-iphone-interrupt possibly get your submission rejected from the App Store. None of them involve private method calls though you could argue that observing an undocumented notification name counts as private API. In the end Apple's opinion is the only one that..
iPhone app rejection for using ICU (Unicode extensions) http://stackoverflow.com/questions/2427838/iphone-app-rejection-for-using-icu-unicode-extensions a custom SQLite build which references the ICU framework. Given that this is a standard third party framework I would argue that these are not Apple's private APIs that you are using. It may be that they were simply overzealous in the inclusion..
UIImage change raw pixels from white to clear? http://stackoverflow.com/questions/2650456/uiimage-change-raw-pixels-from-white-to-clear bogus They're out of range. The Quartz 2D Programming Guide has more details in at least two . places . I also argue against including that answer's createMask method since it doesn't do what it says it does and is barely useful at all it's..
How to improve UIWebView scrolling performance? http://stackoverflow.com/questions/4060248/how-to-improve-uiwebview-scrolling-performance share improve this question I'm afraid there isn't. Big websites remain big and hence consume lots of memory. I'd argue against Brad Larson backing a webview in a own CATiledLayer is technically possible just do webView.layer renderInContext.. then to cache things into your tiled layer and so on. Despite that the webview is actually quite optimized. I'd even argue that it's one of the best optimized things in the whole iOS. It's the single most used performance critical component across..
initWithFrame:frame] vs. [UIButton buttonWithType] http://stackoverflow.com/questions/6245882/initwithframeframe-vs-uibutton-buttonwithtype alloc defaults scalar instance variables to 0 so buttonType should be 0 or UIButtonTypeCustom . Pros Cons You could argue that it's clearer to use buttonWithType and set buttonType explicitly and that it's safer in case Apple changes UIButtonTypeCustom.. UIButtonTypeCustom to be 1 instead of 0 which will most certainly never happen . On the other hand you could also argue that it's clear safe enough to use initWithFrame . Plus many of the Xcode sample projects such as TheElements BubbleLevel..
http://stackoverflow.com/questions/6942439/objectivec-ivars-or-property methods in the main class implementation . If you want the benefits of using dot notation shorthand Some of us would argue that there are no benefits to dot notation. It's a gratuitous and needless pollution of the struct member syntax. However..
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