http://www.marzapower.com 2.times { think_before :posting } Thu, 29 Jul 2010 23:12:52 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://www.marzapower.com/2010/07/29/how-to-sort-rated-content/ http://www.marzapower.com/2010/07/29/how-to-sort-rated-content/#comments Thu, 29 Jul 2010 21:38:17 +0000 marzapower http://www.marzapower.com/?p=352 almost once faced this common problem: how should I sort my content, using the collected rating data?

As a common problem, it has common but different solutions, most of which are wrong. We will analyse two cases: the up/down rating, and the 5-star rating.]]> http://www.marzapower.com/2010/07/29/how-to-sort-rated-content/feed/ 0 http://www.marzapower.com/2010/07/29/mastering-the-ackermann-function/ http://www.marzapower.com/2010/07/29/mastering-the-ackermann-function/#comments Thu, 29 Jul 2010 09:06:20 +0000 marzapower http://www.marzapower.com/?p=329 well-defined total function. That is, it has defined values for every integer input (= total function), and this value is not ambiguous (every input has one and one only possible output value) (= well-defined). Speaking about computer science, this function is computable, but it's not a primitive recursive function. In other words, you can implement an algorithm to express the function using while-loops (= computable), but still you cannot write an equivalent algorithm using only do-loops (= not primitive recursive). I suggest you to try this statement.]]> http://www.marzapower.com/2010/07/29/mastering-the-ackermann-function/feed/ 0 http://www.marzapower.com/2010/07/27/apple-updates-the-mobile-apple-store/ http://www.marzapower.com/2010/07/27/apple-updates-the-mobile-apple-store/#comments Tue, 27 Jul 2010 20:44:33 +0000 marzapower http://www.marzapower.com/?p=324 http://www.marzapower.com/2010/07/27/apple-updates-the-mobile-apple-store/feed/ 0 http://www.marzapower.com/2010/07/23/follow-the-white-rabbit-iphone-4/ http://www.marzapower.com/2010/07/23/follow-the-white-rabbit-iphone-4/#comments Fri, 23 Jul 2010 13:15:08 +0000 marzapower http://www.marzapower.com/?p=318 http://www.marzapower.com/2010/07/23/follow-the-white-rabbit-iphone-4/feed/ 0 http://www.marzapower.com/2010/07/17/antennagate-apple-avoids-the-problem-and-loses-in-5-moves/ http://www.marzapower.com/2010/07/17/antennagate-apple-avoids-the-problem-and-loses-in-5-moves/#comments Sat, 17 Jul 2010 18:00:07 +0000 marzapower http://www.marzapower.com/?p=307 http://www.marzapower.com/2010/07/17/antennagate-apple-avoids-the-problem-and-loses-in-5-moves/feed/ 3 http://www.marzapower.com/2010/06/06/quanto-vale-questo-sito/ http://www.marzapower.com/2010/06/06/quanto-vale-questo-sito/#comments Sun, 06 Jun 2010 16:45:57 +0000 marzapower http://www.marzapower.com/?p=304 http://www.marzapower.com/2010/06/06/quanto-vale-questo-sito/feed/ 0 http://www.marzapower.com/2010/02/10/un-viaggio-lungo-un-sogno/ http://www.marzapower.com/2010/02/10/un-viaggio-lungo-un-sogno/#comments Wed, 10 Feb 2010 20:10:26 +0000 marzapower http://www.marzapower.com/?p=294 http://www.marzapower.com/2010/02/10/un-viaggio-lungo-un-sogno/feed/ 1 http://www.marzapower.com/2010/02/09/thunderbird-3-il-peggiore-di-sempre/ http://www.marzapower.com/2010/02/09/thunderbird-3-il-peggiore-di-sempre/#comments Tue, 09 Feb 2010 07:23:27 +0000 marzapower http://www.marzapower.com/?p=291 http://www.marzapower.com/2010/02/09/thunderbird-3-il-peggiore-di-sempre/feed/ 4 http://www.marzapower.com/2010/01/30/ipad-eseguira-quasi-tutte-le-applicazioni-progettate-per-l%e2%80%99iphone/ http://www.marzapower.com/2010/01/30/ipad-eseguira-quasi-tutte-le-applicazioni-progettate-per-l%e2%80%99iphone/#comments Sat, 30 Jan 2010 18:37:26 +0000 marzapower http://www.marzapower.com/?p=86 http://www.marzapower.com/2010/01/30/ipad-eseguira-quasi-tutte-le-applicazioni-progettate-per-l%e2%80%99iphone/feed/ 2 http://www.marzapower.com/2010/01/14/dantes-inferno-anch-su-c64/ http://www.marzapower.com/2010/01/14/dantes-inferno-anch-su-c64/#comments Thu, 14 Jan 2010 12:58:58 +0000 marzapower http://www.marzapower.com/?p=70 http://www.marzapower.com/2010/01/14/dantes-inferno-anch-su-c64/feed/ 0