User Sergey - Webmasters Stack Exchange

Sergey

Member for 12 years, 5 months
Last seen more than 12 years ago

Almaty, Kazakhstan

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I'm a student.

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Autobiographer

Sep 24, 2014

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Top network posts

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273

Regex Email validation

134

Read input from console in Ruby?

124

Are design patterns really essential nowadays?

93

Certificate subject X.509

63

How to switch to REPLACE mode in VIM