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Surveillance in the Cloud

Architecting a trade surveillance solution is not easy; the algorithms are complex, the data volumes are large and the stakes are high for financial institutions desperately seeking to avoid large reg...

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KX v DBOps Benchmark Results by Ferenc Bodon

DBOps is a public benchmark comparing the performance of a number of open-source database tools and technologies. It defines a set of reproducible tests to measure their performance executing typical ...

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What’s the best toolset for developing in kdb+?

I’m old school. APL introduced me many years ago to what I’ve since learned to call the REPL and I’ve loved it ever since. The Pragmatic Programmer taught me to pick one good text editor and use it fo...

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Brooke Allen, adventurer

Brooke AllenIn episode 16 of the Array Cast we asked our guest Brooke Allen how to get work as an array programmer. Our question produced an hour of inspiring stories from a master storyteller. (Brook...

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DS_TERMINATE_PRCL Template

Hello Community, We have a simple method in Kx Control to schedule starts for processes. But below, is a demonstration of how to use the DS_TERMINATE_PRCL template to schedule a process shutdown. 1. S...

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KX Control Email Notifications

Hello Community, Email notifications can be enabled and configured within KX products. KX Control supports email notifications for a variety of alerts and actions. This post is to draw attention to th...

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DS_EXEC_ANALYTIC Template

Hello Community, The purpose of this post is to present the DS_EXEC_ANALYTIC template. Many of our KX Product users are eager to learn more about this template, and what better place to provide a demo...

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Meet the Zen monks

In Jeff Borror’s classic textbook Q for Mortals you will find frequent references to moments of “Zen meditation” leading to flashes of insight into the workings of q. My teacher Myokyo-ni liked to quo...

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q/kdb+ textbook in Japanese

Published today: q言語-ゼロから作るTick ArchitectureならびにC言語による拡張 The author writes: An ambitious work that introduces q from installation to building the Tick Architecture and explaining the C API. In the fin...

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Finding primes with q

Part 1: Functional solutions by @NAttrup and @SJT Finding prime numbers is a compute-intensive task familiar to computer-science students. It is typically tackled with tightly-iterating algorithms in ...

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Fire from heaven

Kenneth E. IversonThe kdb+ system underlying KX technology is founded on the vector notation developed at Harvard and IBM by Canadian mathematician Ken Iverson. If you are used to SQL or ‘scalar’ lang...

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