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  Gcd Algorithm with JavaScript

How to find the greatest common divisor between two integers? We may encounter this problem frequently in interviews or other occasions. An efficient metho to find gcd is the Euclidean algorithm, which uses the division algorithm in combination with the observation that the gcd of two numbers also divides their difference: divide 48 by 18 to get a quotient of 2 and a remainder of 12. Then divide 18 by 12 to get a quotient of 1 and a remainder of 6. Then divide 12 by 6 to get...

   JavaScript,Algorithm,Gcd,Implementation,     2011-09-21 15:57:32

  Learn How to Write iOS Apps

My friend contacted me on twitter and asked for advice on different sources on how to learn iOS apps. Since this paragraph will already exceed 140 characters, I'm posting here, instead. (Obviously, reading this blog regularly is a great way to pick up some iOS development tricks) To get started, some people buy a book or find some good online tutorials. I tried both approaches, and the online tutorials were definitely better. I found Stanford's class on iPhone Development, available for free...

   IOS App,Tutorial,Advice,Resource     2011-12-25 00:58:25

  File System vs Core Data: the image cache test

Code for this project is on GitHub While doing a full re-write of Droplr's iOS app for the 2.0 launch, I couldn't find any good file/image caches out there had a particular feature I really wanted: extending item expiration whenever it's touched. I set out to write my own — which wasn't that much of a challenge — but somewhere along the process I had this crazy idea that perhaps (SQLite-backed) Core Data would be a much better tool for the job: No mismatch between cache index ...

   File system.Image cache,Multimedia     2012-02-01 08:52:02

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