[Objc] Calcolo codice fiscale

Il codice fiscale in Italia è un codice alfanumerico a lunghezza fissa di 16 caratteri, ispirato dall’uso biblioteconomico, che serve a identificare in modo univoco ai fini fiscali e amministrativi i cittadini, le associazioni non riconosciute, i contribuenti e gli stranieri nati e domiciliati nel territorio italiano.

http://it.wikipedia.org/wiki/Codice_fiscale

Nota: questo post è in Italiano, visto che il codice fiscale… è italiano!

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Objc – Draw text along UIImage

The NSTextContainer class defines a region in which text is laid out. An NSLayoutManager object uses one or more NSTextContainer objects to determine where to break lines, lay out portions of text, and so on. An NSTextContainer object defines rectangular regions, and you can define exclusion paths inside the text container’s bounding rectangle so that text flows around the exclusion path as it is laid out. You can create subclasses that define regions of nonrectangular shapes, such as circular regions.

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0x8BADF00D and others crashes

From Wikipedia:

A crash (or system crash) in computing is an event in which a computer or a program (such as a software application or an operating system) ceases to function properly, often exiting after encountering errors. The program responsible may appear to freeze or hang until a crash reporting service documents details of the crash. If the program is a critical part of the operating system kernel, the entire computer may crash, often resulting in a fatal system error. […]

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