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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 […]
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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 […]
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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 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 […]
Editorial FOR BI PROS FOR EVERYONE Tableau
Building Faster Dashboards by Understanding Tableau Server
October 25, 2016
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Two weeks ago I was lucky enough to visit some of my new and old customers in the sunny Bay Area. To make it more interesting I opted for a short presentation at Netflix to talk about Tableau Server Architecture, Abstract Query Caching and Fusion plus dashboard optimisation. I was super jetlagged but still I […]
FOR BI PROS FOR EVERYONE Tableau
Tableau JavaScript API without Embedding
August 29, 2016
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One of the biggest myths of Tableau Javascript API is that you cannot use it inside Tableau Server. Some says that you need to embed your workbooks into external sites to leverage Javascript API. Well, don’t believe them since Tableau JS API works flawlessly in Tableau Server Vizportal with any workbook without any with some minor […]
Clojure FOR BI PROS Tableau
getData() function in the new Tableau 10 JavaScript API
August 16, 2016
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Tableau’s Javascript API evolves fast. In just a few versions we have arrived from the basic embedding to an event based, fully asynchronous API. Maybe the last, missing piece was accessing the summary and underlying data (however most of us used the [crayon-597280b9c0299115579988-i/]  vizql controller to get the underlying data as featured in our excel […]
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Tableau JavaScript API in Practice: My Chess Game Tutorial
July 25, 2016
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In this short tutorial I will go thru the basic steps of creating a project that uses Tableau JavaScript API. My intent is to show non-developers how the typical implementation workflow looks like. Obviously, there are multiple ways to achieve the same goals but the way of implementing new web applications is pretty much the […]
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Tableau Chess: Interactive Chess game using Tableau JS API
July 22, 2016
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No doubt that chess is one of my favourite game. It’s more than 15 centuries old but still fresh and enjoyable. Also no doubt that my favourite data visualization tool is Tableau so why not mix these two together? That’s the motivation of my new Tableau game, the Tableau Chess that is running entirely in a Tableau Public workbook […]