I\'m programming one iphone app, and there is a problem; I can use a NSDate variable in the viewDidLoad method but not somewhere else! How can it be made? how can it be resolved?
i´m using the AVAssetImageGenerator to get images from a movieclip without playing it before. Now i´ve got a question how to set up variables in the loop of a handler?
I have a class with a property sampleNames. It is of type NSSet. The instance variable I plan to use will be NSMutableSet.
Flash tells me that instance names must contain \"alphanumeric开发者_C百科 characters, supported symbols, and no whitespace\". I\'ve found the underscore is allowed, but not the minus sign.
I would like to know what the recommendations are for declaring private instance variables in cocoa. This question is in the context of developing apps on the iPhone.
I\'m trying to find a way to create an instance variable within the Stripes application context. Something that i would do in the init() method of a Servlet while using hand-coded servlets.
I have this line in my create action @comment = @video.comments.new(params[:comment]) A comment also belongs to the user who creates it. How can I assign it to the current_user? Where does it fit i
I want to use an IBOutlet from classA on classB Why is this not working? ClassA.h @interface ClassA : UIViewController {
I am writing a simple program that uses an object *center from an XYPoint class as an instance variable.
I\'ve read many things about the @synthesize call. About its use, ... So I have made a test, and its result gives me a strange feeling.
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