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London Ruby User Group:What every computer programmer should know about time

What every computer programmer should know about time
I've been putting some notes together on time similar in spirit (if not in detail) to "What every computer programmer should know about floating-point arithmetic". ranging from localtime vs UTC, hardware clocks and NTP, how to do accurate timers in Javascript, calendars, date arithmetic, comparisons and gotchas, to Lamport/vector clocks (the new black in the 'eventually consistent' world of nosql).

ABOUT SEAN O'HALPIN

I’m currently a Senior Software Engineer in Audio and Music Interactive at the BBC in London, UK specialising in Ruby and message queues.
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ABOUT THE LONDON RUBY USER GROUP

LRUG is the London Ruby User Group; a community of ruby developers based in and around London. We meet up at least once a month; on the 2nd Wednesday of the month we have meetings with talks, demos and such-like and then we have pub-based meetups organised on an ad-hoc basis (roughly half-way between meetings).
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PODCAST WHAT EVERY COMPUTER PROGRAMMER SHOULD KNOW ABOUT TIME

This session took part at the Talks on Time Data Type and MongoDB. You can view the other 1 podcast here.

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