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FOR BI PROS Tableau
Scaling out Tableau Extracts – Building a distributed, multi-node MPP Hyper Cluster
August 11, 2019
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Tableau Hyper Database (“Extract”) is a great engine; it’s one of the reasons people obsessed with Tableau analytics. However, being a single node database server, it has its limits (performance and data size) – that we are going to break in this blog post. With adding multi-node capacity, partitioning and distributed query processing Hyper will […]
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Python Experiments in Tableau 1. – Add live currency conversion to Tableau Dashboards using TabPy
January 9, 2018
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In a new series of blog posts, what I creatively named as “Python Experiments in Tableau”, I will share a few projects that we are doing in-house to play with Python and Tableau. In the first example we will do something special with the “External Services” functionality: add live data from web services to implement up […]
FOR BI PROS LEARN Tableau
HOWTO: Tableau Server Linux in Docker Container
November 2, 2017
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We are all excited about the great news that Tableau will release its Server version on Linux. Even if I’ve been testing the linux build for a while now, since this feature is currently in Beta I can start sharing tips and tricks that will make others’ (yours perhaps) lives easier. The first is an […]
FOR BI PROS Tableau
Tableau Filestore Consistency Checker – How Repository Maps to Filestore
August 17, 2017
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Somewhere around the end of July I was invited to show some magic from our consultancy portfolio in the Server Admin User Group’s virtual meetup. I choose (no, actually Mark choose) two topics: the first was automated query banding (practically server side search and replace to programmatically fill initial sqls for workbooks and data sources) while […]
FOR BI PROS Tableau
Pushing the Limits of Tableau Server – Practical Lessons from a Zen Master
June 6, 2017
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  Today I had the honour to present at the Tableau On Tour London conference. The main focus was the “web data connector trick” that allows one to implement reusable server plugins, explained here in details. You can find my slides and source codes below:
FOR ANALYSTS FOR BI PROS FOR EVERYONE LEARN Tableau
Tableau Performance: Why Embedded Data Source is Faster than Published
April 16, 2017
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It started with one of my colleague who managed a Tableau case from our end. His client was constantly dissatisfied: her workbooks were significantly faster with embedded data sources compared to published ones. Even if we told her that this is normal, this is the way how life works, so better accept it and let […]
FOR ANALYSTS FOR BI PROS FOR EVERYONE LEARN Tableau
Auto refresh a Tableau Dashboard without Embedding
March 21, 2017
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I was casually sitting at my desk writing my first ever blog entry here when Tamás Földi walked past my desk. He asked me how much I know about Tableau and JavaScript, because he has a cool idea which he didn’t really manage to find the time to implement yet. He quickly briefed me into […]
FOR BI PROS LEARN Spotfire
Spotfire’s hidden Developer Tools menu
March 13, 2017
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 Starting from version 7.5 Spotfire is using Chromium Embedded Framework as a display engine which comes with the well-known Chrome-style Developer Tools. Why is this so great you might ask? There are a couple of good tricks you can do with this one. Guest blog post by Norbert Ledenyi
FOR ANALYSTS FOR EVERYONE LEARN Tableau
Tableau Save as Previous Version feature
February 20, 2017
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Tableau Software is an R&D heavy company, they’re just continuously throwing new features and releasing new versions. But what if some of our colleagues or clients are still not upgraded to the latest Tableau Desktop version? How can we share our superb new workbook? XML Hacking? Jeff’s converter tool? Forget all. Tableau Desktop can do […]
FOR BI PROS Tableau
Inside Tableau Desktop – DebugMenu, Override, GammaRay
December 6, 2016
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One thing that I realised in Austin: I’m not a Tableau Desktop guy. I’m struggling sometimes even with the easiest densification calcs and my dashboards generally suck. What can I do? Learn Desktop, deep dive and share my findings. Well, I did and the results are below. Going back to Austin. I spend two hours in […]

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