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Indexing is commonly used among programmers. Without fully grasping the idea behind the technique, a programmer is always eager to take advantage of it whenever they encounter a query performance problem, only to get disappointed by the result on many occasions. By analyzing the principle of indexing, the article tries to show programmers when is the appropriate time to use an index and how to use it.
The purpose of indexing is to quickly find…Continue
Added by JIANG Buxing on August 29, 2017 at 12:30am — No Comments
Probability and physics are helping make even roulette seem ultimately predictable.
In his new book, The Perfect Bet: How Science and Math Are Taking the Luck Out of Gambling, Adam Kucharski details how trying to understand dice games led one mathematician to develop probability theory,…Continue
Added by Edward Turner on July 19, 2016 at 4:30pm — No Comments
Razorfish Inc. is one of the largest interactive marketing agencies in the world; it is part of Publicis Groupe. The agency provides different types of services, web development, planning and media buying, advertising using all kinds of media, including mobile, and emerging media, social marketing activities, etc.; as well as studies and analyzes of the impact of communication programs.
Razorfish has more than 2,000 employees worldwide, with offices in the United States in…
Added by Michel Bruley on December 18, 2013 at 12:32am — No Comments
The buzz in the big data world from 2012 is around the new position, Data Scientist.
But is this just hype—a new title for what is really a statistician or SQL power-user position?
Or is this a new way to approach big data—one that is critical to your success?
Below a 57’ conference try to response to the question: