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The perils of benchmarking

Mime-Version: 1.0 (Apple Message framework v919.2)Subject: The perils of benchmarkingDate: Sun, 6 Apr 2008 15:38:18 +0100X-Mailer: Apple Mail (2.919.2)Suppose we had a list of 10000000phone numbers and wanted to takejust the first 8 digits of each.We...

joelr1 by New Contributor
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Q development tools in Eclipse

hi,is there a limitation in KDB+ 2.4 2008.03.31 for socket connections?I am trying to set up an Eclipse debug config as described here:http://www.qkdt.org/gettingstarted.htmland getting :"could not connect to Q at localhost:1444"connection refusedwha...

sparse arrays

Mime-Version: 1.0 (Apple Message framework v919.2)Subject: sparse arraysDate: Sun, 6 Apr 2008 00:04:15 +0100X-Mailer: Apple Mail (2.919.2)What is the most efficient wayto implement sparse arrays in q? Thanks, Joel--wagerlabs.com

joelr1 by New Contributor
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bring the slaves back!

Subject: bring the slaves back!Date: Sat, 5 Apr 2008 23:54:51 +0100X-Mailer: Apple Mail (2.919.2)X-Google-Approved: simon.garland@gmail.com via web at 2008-04-06 04:49:38Multithreading is absent on Mac OSX and notas powerful as it could be otherwise ...

joelr1 by New Contributor
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Welcome!

As members of this group you probably already know that we havereleased a free version of 32-bit kdb+, for all platforms, for non-commercial use. To learn kdb+ you will find a couple of other newdevelopments to be useful:- code.kx has been opened to ...