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Possible Duplicate:
How does stackoverflow calculate the number of views in a question?

and how to prevent duplicates visit form same IP without storing huge data in mysql?

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migrated from Feb 26 '11 at 18:40

This question came from our site for professional and enthusiast programmers.

marked as duplicate by Andreas Bonini, waiwai933, Yi Jiang, ChrisF, Pops Feb 28 '11 at 15:15

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

May be you should look at following link :

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