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A Technical Community for IT Professionals

Less Than Dot is a community of passionate IT professionals and enthusiasts dedicated to sharing technical knowledge, experience, and assistance. Inside you will find reference materials, interesting technical discussions, and expert tips and commentary. Once you register for an account you will have immediate access to the forums and all past articles and commentaries.

Browsing "Web Developer"

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SQL Server Days 2014 – Slide deck

SQL Server Days 2014 is over, but it has been one great event. A very big thanks to the organizers! My session went pretty well, somewhere around 60 attendees I would guess and they didn’t seem too bored. I saw some other great sessions as well, such as Buck Woody (twitter) on Big Data (and […]

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Stupid me #4 – The login is from an untrusted domain

After quite a while it has finally returned: another Stupid Me™®©! A reminder: Every time I do something “stupid”, which happens from time to time, I’ll do a little blog post on what happened and how I solved it. The reason for this is twofold: I’ll have a solution online I can consult if it […]

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Tableau Data Visualization Cookbook – Review

After my review of Tableau Dashboard Cookbook, I read another book about Tableau, namely Tableau Data Visualization Cookbook by Ashutosh Nandeshwar. The book is published by Packt but I am relieved to say this time there were no significant editing issues. In fact it is quite well written and as far as I could tell […]

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Client-side vs Server-side Validation in Web Applications

Validation exists to “ensure that the application is robust against all forms of input data” (owasp.org). Invalid data can cause unexpected execution errors, break assumptions elsewhere in your application, introduce errors into reporting, and even let someone hijack your service to attack others (script injection, sending spam, etc). When we’re talking about web form submission, […]

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Modeling the Agile Data Warehouse with Data Vault – Review

A few months ago I followed an introductory course about the data vault modeling technique for data warehouses at a local training provider. As part of the training, I received the book Modeling the Agile Data Warehouse with Data Vault written by Hans Hultgren who also is an instructor for the official data vault certification. […]

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Creating a Matrix Infographic in SSRS

With “Matrix Infographic” I simply mean those infographics FiveThirtyEight (site | Twitter), the website of statistic revelation Nate Silver, uses to display forecasts of World cup matches. An example: I was wondering if something similar could be built using SSRS. And yes, it is possible and it isn’t that hard. My starting point is a […]

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Overview of Published Articles – 2014Q2

Here is an overview of the articles I published in the second quarter of 2014. Intense School MCSE Prep: The Integration Services Package and Project Deployment Models—Part 1 MCSE Prep: The Integration Services Package and Project Deployment Models—Part 2 MCSE Prep (SQL) – Using Parameters in Reporting Services Reports (Part 1) MSSQLTips Improve SSIS data […]

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Tableau Dashboard Cookbook by Jen Stirrup

DISCLAIMER I received this book through the O’Reilly blogger review program, which I already mentioned in the review of Thinking With Data. The actual publisher of the book is Packt Publishing, not O’Reilly itself. TABLEAU DASHBOARD COOKBOOK I guess most people who have been in contact with the SQL Server community have at least heard […]

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SSRS Nugget: displaying placeholders when no rows are returned

A few days ago there was an interesting question on the forum: How can I get None in each cell of a table in the report if no rows are returned? If I use “No rows message” property, header is not displaying on the report but I would like to get headers along with “NONE” […]

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Speaking at ITPROceed

I’m delighted to announce I will be giving a session at ITPROceed, a new event in Belgium for the IT Professional. From their website: ITPROceed is a joint effort between the ITProfessional User Groups with the strong support of Microsoft to bring you the best on the Cloud OS, System Center, SQL, Office 365, Windows […]

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