I\'m starting a new app, and I\'d like to know how to require a password to open it. I was consideri开发者_如何转开发ng a UIActionSheet in the application didFinishLaunchingWithOptions method of the
In my iphone app, I need to project 3d scene into the 2D coordinates of the screen for some c开发者_StackOverflow中文版alculations. My objects go through various rotations, translations and scaling. S
how to create SQl statement for update using \'where\' condition 开发者_C百科with \'name\', how to bind this name to sql statement...
My navigation Controller \'s Root viewController is UIViewController(rootViewController). It contain\'s a UITableView, as follows:
I am new to iPhone programming and working on my first real application (i.e. one not written in a book or online) and I\'ve run into a small problem which I could solve a multitude of ways, but feel
My project compiles and runs fine unless I try to compile my Unit Test Bundle it bombs out on the following with an \"Expected specifier-qualifier-list before \'CGPoint\'\" error on line 5:
I\'m loading a grayscale png image and I want to access the underlying pixel data. However after I load get the pixel data via CGImageGetDa开发者_StackOverflow中文版taProvider, the length of the data
I want to write some info开发者_运维百科rmation in the navigation bar about a route..just as the default application does, like distance between the current location and the selected destination, dire
I am working on a iphone GPS stuff. I have the 4 GPS co ordinates of a building. Is there a way to find out whether a particular GPS coordinates is inside this 4 co ordinates. That is to find out whet
I\'m diving into iPhone OS development and I\'m trying to understand how I can add multiple view objects to the \"Left/Root\" view of my SplitView iPad app.I\'ve figured out how to programmatically ad
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