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2014/10/15 ¤U¤È 10:14:11
iphone Programming Glossary: shorthandObjective C release, autorelease, and data types http://stackoverflow.com/questions/1219575/objective-c-release-autorelease-and-data-types with alloc new copy or mutableCopy you own it and are responsible for releasing it at some point. In fact new is just shorthand for MyClass alloc init . As you noted creating an array via NSArray new without releasing it is a memory leak. However if.. when sent to the NSMutableArray class. If you're going to be returning the array from your method you can use this as shorthand for NSMutableArray alloc init autorelease ”but it is just a shortcut. In many situations though you can create an object..
Please explain this Objective-C code http://stackoverflow.com/questions/3256390/please-explain-this-objective-c-code
iOS Singletons and Memory Management http://stackoverflow.com/questions/4222069/ios-singletons-and-memory-management to have synthesized getter setter methods to save you the tedium of writing your own. self.myString @ value is just shorthand for self setMyString @ value The synthesized setMyString method will do something like if myString newValue myString release..
Access NSMutableArray from a different class http://stackoverflow.com/questions/5240240/access-nsmutablearray-from-a-different-class improve this question The dot notation is used differently in objective c that from c or java. In objective c it is shorthand for accessing a property. You need to have defined a objective c property first like this in the .h file INSIDE the interface..
Using NSMutableDictionary as backing store for properties http://stackoverflow.com/questions/5873776/using-nsmutabledictionary-as-backing-store-for-properties NSMutableDictionary as backing store for properties I am looking for a shorthand way of setting my properties directly to an NSMutableDictionary that is a instance variable. ie KVCModle.h @interface KVModel..
http://stackoverflow.com/questions/6942439/objectivec-ivars-or-property the implementation of the 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..
When do I need to have both iVar and a property? http://stackoverflow.com/questions/7991863/when-do-i-need-to-have-both-ivar-and-a-property on an instance of this class myTest progressBar myTest setProgressBar aProgressBar And objective C also lets you use shorthand notation myTest.progressBar xxx myTest.progressBar which does exactly the same thing. It is not necessary for these two..
http://stackoverflow.com/questions/9630237/nspredicate-subquery-syntax The variable is what we're going to call each item in the collection. In this case it's simply going to be rv shorthand for row value . In our case each rv will be an NSDictionary since the row_values property is an array of dictionaries. Finally..
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