I\'ve been reading an apple document on Memory Management and am now a bit confused regarding the recommended implementation of Accessors.Apple cites 3 approaches in implementing accessors.
Can any开发者_Go百科one explain the difference between accessing an instance attribute via self.attribute and by @attribute?self.attribute calls the method attribute.
So the method below in class_eval dynamically creates accessors for attributes defined at runtime.It can be used, for example, to create configuration objects with attributes read from a config file (
I a开发者_StackOverflowm stuck with objective-c properties. What I need is to assign a write-only property for a variable, exactly the opposite of readonly, i.e the variable can have setMethod, but it
Sometimes I need to expose some of the class members. For example in the following example class Mechanic may need direct access to Engine component. I have read many times that all fields should be a
Here is the problem. I wrote this function to return a reference to the i element of a member vector, so this element could be edited. Here is the code:
Getting the (hex) error code from an IOException, or regular Exception! Is this possible? i know it HAS a error code, (HResult) but the get accessor is private.
I know that automatic properties must define a get and set accessor method, I also know that it is possible for either of these accessors to be made invisible by means of an access modifier.
total noob here with about 2 months of C++ experience (no other background) so go easy on me. I am writing a battleship game for a programming assignment. The game grid is 15X20 and I am trying to h
I am making a photo upload form. Before they begin, they have two choices. They can create a new gallery, OR they can choose from an existing gallery.
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