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How to implement a unique index on two columns in rails
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What is a race condition?
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IKavanagh
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answered Aug 29 '08 at 17:01
privatehuffprivateh...
Is there any performance reason to declare method parameters final in Java?
...ntly, methods declared final could have some performance benefit.
http://www.javaperformancetuning.com/tips/final.shtml
Oh and another good resource
http://mindprod.com/jgloss/final.html
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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What is the meaning of the term “free function” in C++?
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regex for matching something if it is not preceded by something else
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Xcode — what is $(SRCROOT)?
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Preferred order of writing latitude & longitude tuples in GIS services
...its ships to know where they were and needed better maps. Harrison (http://www.youtube.com/watch?v=T-g27KS0yiY) produced an accurate marine chronometer; they sent mapmaking voyaging journeys eg James Cook 1770's. Britain therefore claimed the Prime Meridian by using Greenwich as 000deg for their map...
How to get the last element of a slice?
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Unique constraint that allows empty values in MySQL
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