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Recent Entries: My Dev Setup Lately Three Ways To Randomize on the iPhone How to Remove .svn Directories On a Mac How To Detect The iPhone Simulator iPhoneMom Likes Doodle Games! Updates To the Doodle Games Line Three Jacks Now Tweets Second iPhone App Submitted For Approval! Pinch Media Analytics for iPhone New iPhone Game Coming Soon! Archive: January - 2010 November - 2009 October - 2009 September - 2009 August - 2009 July - 2009 June - 2009 April - 2009 March - 2009 January - 2009 May - 2008 April - 2008 March - 2008 October - 2007 August - 2007 July - 2007 June - 2007 May - 2007 April - 2007 December - 2006 November - 2006 September - 2006 August - 2006 July - 2006 March - 2006 February - 2006 January - 2006 December - 2005 November - 2005 October - 2005 September - 2005 August - 2005 July - 2005 June - 2005 May - 2005 April - 2005 February - 2005 January - 2005 December - 2004 November - 2004 October - 2004 September - 2004 August - 2004 July - 2004 June - 2004 May - 2004 April - 2004 March - 2004	Three Ways To Randomize on the iPhone To the best of my knowledge, there are three ways to generate random numbers on the iPhone: The first, SecRandomCopyBytes: UInt32 randomResult = 0; int result = SecRandomCopyBytes(kSecRandomDefault,                   sizeof(int), (uint8_t*)&randomResult); if (result != 0)       randomResult = arc4random(); The second, arc4random: UInt32 randomResult = arc4random(); The last (and worst) rand(): UInt32 randomResult = rand(); Good luck with all your random things! -Jon Submitted by bosshogg on Monday the 05th of October 2009, at 03:51 am