Comments on: Counting Bits http://www.donniepinkston.net/2007-07-16/counting-bits.html (there are many more like it, but this one is mine) Fri, 05 Dec 2008 00:29:21 +0000 http://wordpress.org/?v=2.5.1 By: donnie http://www.donniepinkston.net/2007-07-16/counting-bits.html#comment-7898 donnie Mon, 16 Jul 2007 17:57:54 +0000 http://www.donniepinkston.net/2007-07-16/counting-bits.html#comment-7898 Hahaha, sigh, I didn't realize that back then. :-) Even though, it's still a nice way to check a number for being a power of two, don't you think? <pre> if (n > 0 && (n & (n - 1)) == 0) { ... }</pre> It's beautiful, no??? :-D Hahaha, sigh, I didn’t realize that back then. :-)

Even though, it’s still a nice way to check a number for being a power of two, don’t you think?

  if (n > 0 && (n & (n - 1)) == 0) { ... }

It’s beautiful, no??? :-D

]]> By: Ben http://www.donniepinkston.net/2007-07-16/counting-bits.html#comment-7897 Ben Mon, 16 Jul 2007 17:20:13 +0000 http://www.donniepinkston.net/2007-07-16/counting-bits.html#comment-7897 ...and after hearing the answer you then you proceeded to share with your interviewer that premature optimization is the root of all evil, right? :) …and after hearing the answer you then you proceeded to share with your interviewer that premature optimization is the root of all evil, right? :)

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