Supporting A kdb+ System: Online Training

Jonny Press kdb, kdb+, training Leave a Comment

We are pleased to announce that due to popular demand we’ve added new content to our online training course.  The additional material is on supporting a kdb+ system (something we have some experience of).  The new material covers: overview of a real time data capture architecture (kdb+tick) kdb+tick setup health checking, monitoring, support and maintenance of a data capture system on …

Jonny PressSupporting A kdb+ System: Online Training

AquaQ Analytics at Kx NY Meetup

Jamie Grant News Leave a Comment

Ronan Pairceir, CEO AquaQ Analytics Limited, will give a presentation at the upcoming kx meetup in NY on Dec 9th, covering off how AquaQ’s newly released online training courses for kdb+ and the AquaQ TorQ Framework can be used to kickstart any new kdb+ project a user may be thinking of. See for more details.

Jamie GrantAquaQ Analytics at Kx NY Meetup

Information Lunch at QUB

AquaQ Admin News Leave a Comment

Date: 27 November 2014 Time: 12:00 – 14:00 Location: SGC Hub, Queens University, Belfast AquaQ Analytics are urgently looking for talented, high performing, industry professionals to join our team. We hire from a diverse range of backgrounds including Math’s, Physics, IT and even Pharmacy! If you enjoy working with high profile clients on cutting edge technology and want to make an …

AquaQ AdminInformation Lunch at QUB

kdb programming challenge – self similarity

Matt Doherty kdb+ 9 Comments

A self similar object is one that is exactly or approximately similar to a part of itself (i.e. the whole has the same shape as one or more of the parts). Self similarity is a central property of fractals. Many objects in the real world, such as coastlines, are statistically self-similar: parts of them show the same statistical properties at …

Matt Dohertykdb programming challenge – self similarity

Supporting kdb+ Tick

AquaQ Admin kdb, kdb+ 4 Comments

Many financial institutions use kdb+ tick to capture and store market data. The same technology stack can be used to capture, store and analyse other forms of real time streaming data including sensor data from manufacturing production lines, usage data from utility smart meters, or telemetry data from Formula 1 cars. At AquaQ we provide onsite and nearshore 24/7 support …

AquaQ AdminSupporting kdb+ Tick

Garbage Collection in kdb+

AquaQ Admin kdb, kdb+ 6 Comments

The aim of this article is give an understanding of how kdb+ uses and releases memory, and the options available to modify the behaviour. kdb+ allocates memory in powers of 2.  A vector of data will always be placed into a memory block which is the next power of two up from the raw data size (and allowing for some …

AquaQ AdminGarbage Collection in kdb+

kdb programming challenge – square-free sequences

Matt Doherty kdb+ 12 Comments

Continuing on from the number base challenge, this time around we will be looking at square-free sequences. Although they might seem a little disconnected right now, trust me there is a theme to these challenges; all will become clear in time!     In combinatorics a square-free word is any word which does not contain any subword twice in row. …

Matt Dohertykdb programming challenge – square-free sequences

kdb programming challenge – number bases

Matt Doherty kdb+ 12 Comments

In systems of numbers the radix or base is the number of unique digits or symbols that are used to represent numbers. By far the most well known and widely used is the decimal system, which uses the ten digits from 0 through 9 (largely because – much to William Shatner’s surprise – we have 10 fingers). Some other handy …

Matt Dohertykdb programming challenge – number bases

Passwords are better with salt – hashing, salting and key stretching in kdb+

AquaQ Admin kdb+ 1 Comment

Previously we have looked at substitution ciphers in q. Here hashing algorithms will be examined and how their use can help ensure password security. Password security is often a weak link in hardening systems against intrusion, as can be seen by the many reports of high profile breaches, e.g. linkedin  and sony. With 32-bit kdb+ now free for commercial or …

AquaQ AdminPasswords are better with salt – hashing, salting and key stretching in kdb+

kdb+ Online Training Courses Released

Jamie Grant News, training 4 Comments

AquaQ Analytics, an implementation and training partner of Kx Systems, is pleased to announce today the release of a new series of online training courses for kdb+ and q. This latest offering is in addition to the classroom-based training courses and kdb+ consultancy services provided by the company to clients. The courses, starting with kdb+ Bootcamp and kdb+ Booster, have …

Jamie Grantkdb+ Online Training Courses Released