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2014/10/15 ¤U¤È 10:14:17
iphone Programming Glossary: someclassIs it better to autorelease or release right after? http://stackoverflow.com/questions/1283324/is-it-better-to-autorelease-or-release-right-after in your method. For example consider the following method void someMethod NSUInteger i 0 while i 100000 id tempObject SomeClass alloc init autorelease Do something with tempObject i By the time this method ends you've got 100 000 objects sitting in..
Hiding the UINavigationBar only for the root UIViewController http://stackoverflow.com/questions/1298892/hiding-the-uinavigationbar-only-for-the-root-uiviewcontroller willShowViewController UIViewController viewController animated BOOL animated if viewController isKindOfClass SomeClass class self setNavigationBarHidden NO else self setNavigationBarHidden YES So you ask which class it is and if its one that..
How do I flag a method as deprecated in Objective-C 2.0? http://stackoverflow.com/questions/3908715/how-do-i-flag-a-method-as-deprecated-in-objective-c-2-0 share improve this question Deprecation Syntax Syntax is provided to mark methods as deprecated @interface SomeClass method __attribute__ deprecated @end or #include AvailabilityMacros.h @interface SomeClass method DEPRECATED_ATTRIBUTE or..
When to access property with self and when not to? http://stackoverflow.com/questions/4884231/when-to-access-property-with-self-and-when-not-to class property created with @property nonatomic retain SomeType someObject To clarify I have something like @interface SomeClass NSObject SomeType someObject @property nonatomic retain SomeType someObject @end I have noticed I get EXC_BAD ACCESS sometimes..
How to declare instance variables and methods not visible or usable outside of the class instance? http://stackoverflow.com/questions/5826345/how-to-declare-instance-variables-and-methods-not-visible-or-usable-outside-of-t a header file they won ™t be visible to someone inspecting the header file. For instance in the header file @interface SomeClass NSObject @end and in the implementation file @interface SomeClass @property nonatomic assign int privateInt @end @implementation.. file. For instance in the header file @interface SomeClass NSObject @end and in the implementation file @interface SomeClass @property nonatomic assign int privateInt @end @implementation SomeClass @synthesize privateInt @end or @interface SomeClass.. and in the implementation file @interface SomeClass @property nonatomic assign int privateInt @end @implementation SomeClass @synthesize privateInt @end or @interface SomeClass int privateInt @end @implementation SomeClass @end Note that there ™s..
objective-c ARC readonly properties and private setter implementation http://stackoverflow.com/questions/8566671/objective-c-arc-readonly-properties-and-private-setter-implementation a property to be readonly to using it but have it writeable within the class I could do Public declaration @interface SomeClass NSObject @property nonatomic retain readonly NSString myProperty @end private interface declaration @interface SomeClass.. NSObject @property nonatomic retain readonly NSString myProperty @end private interface declaration @interface SomeClass void setMyProperty NSString newValue @end @implementation SomeClass void setMyProperty NSString newValue if myProperty newValue.. @end private interface declaration @interface SomeClass void setMyProperty NSString newValue @end @implementation SomeClass void setMyProperty NSString newValue if myProperty newValue myProperty release myProperty newValue retain void doSomethingPrivate..
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