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How To Create a Flexible Plug-In Architecture?
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edited May 13 '10 at 12:45
community wiki
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
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– Emmanuel Bourg
Nov 9 '12 at 13:13
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A good book for learning D3.js [closed]
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answered Jun 5 '13 at 4:09
mg1075mg1075
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Java OCR implementation [closed]
...see a blank page.
– neoneye
Dec 17 '13 at 11:50
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@Ron where can i get a documentation or additio...
How can I get a file's size in C? [duplicate]
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Rob WalkerRob Walker
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How to find topmost view controller on iOS
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– Tricertops
Jun 1 '13 at 17:04
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@ImpurestClub I'm not able to find in in the d...
How do I clear/delete the current line in terminal?
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answered Mar 13 '12 at 7:23
kevkev
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Visual Studio warning: “Some of the properties associated with the solution could not be read”
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edited Jan 13 '12 at 8:12
Daniel Daranas
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Select first row in each GROUP BY group?
...nd aggregate / window functions.
I tested with Postgres versions 8.3 – 13. But the feature has been there at least since version 7.1, so basically always.
Index
The perfect index for the above query would be a multi-column index spanning all three columns in matching sequence and with matching s...