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Darius Dumitrescu is a creative Senior CMS Consultant with in depth .NET knowledge, focused on Web Development and Architecture Design.


Project Management

13 Tips for Effective IT Projects Estimates

Posted on December 23rd, 2017.

During my experience as a consultant and as a project manager, I have learned to pay a lot of attention to project estimates. That is because if a project is estimated inaccurately, it will be on a straight path for disaster, regardless of how extraordinary the effort of the project team would be. You can read more on this topic on our...



Personalization Checklist for Commerce Websites

Posted on September 10th, 2017.

It is super easy nowadays to setup a Commerce website but it is not that straightforward to provide the best customer experience in order to assure and expect loyalty. Well, one of the pillars for assuring customer loyalty is definitely user experience personalization. This concept is not really a novelty today but it is still something...



How to Publish Content to Social Media with Sitecore 8.x

Posted on September 2nd, 2017.

Managing social media content campaigns in a non-centralized way is no easy task. You have to walk through each social media page, add the desired content, select the targeted audience, add the tracking parameters to your site and finally publish. Although there are tools on the market which provides social media aggregation, there...


Web Development

ASP.NET Core. Best way to Keep Variables between Page Requests

Posted on August 19th, 2017.

In case you want to keep variables between page requests, ASP.NET CORE MVC and ASP.NET MVC provides a more elegant solution than the classic ViewState. It is called TempData. The usage of it is pretty straightforward. The example from below shows how I assign a variable to preserve the sort state of a column in a list table:...



Fast SQL Server Stored Procedure with Filtering, Sorting and Paging

Posted on July 11th, 2017.

Even though there are dozens of articles out there which shows you how to do a Microsoft SQL Server stored procedure with filtering, sorting and paging, the execution time greatly differs between each approach. So I started to do some research in order to find the best approach out there. And I believe I found it on Aaron Bertrand...


Microsoft ASP.NET

ASP.NET Core and EF: The instance of entity type ‘User’ cannot be tracked

Posted on July 9th, 2017.

This exception caused me to lose a bit more than expected before finding the right solution. That happened even though the ASP.NET team already documented this Entity Framework behavior very well here but, you know, who has time to read that much documentation… So, the full exception message is the following: InvalidOperationException:...



How to Use Adaptive Personalization with Sitecore

Posted on July 8th, 2017.

Offering an unique journey for the customers on your website is a must by today’s web standards. By using Sitecore, you have access to dozens of personalization capabilities that you can use to boost value per visit. If we talk about website personalization, the personas are always at the center of the stage. They are like the...



How to personalize based on search engine keywords with Sitecore

Posted on June 10th, 2017.

Offering an unique journey for the customers on your website is a must by today’s web standards. By using Sitecore, you have access to dozens of personalization capabilities that you can use on a properly developed solution. Below I’m going to show you how to personalize your homepage experience based on the search engine...



Sitecore Tracker.Current is not Initialized – During setup of a single Sitecore CD

Posted on May 22nd, 2017.

For configuring the productions instances for a Sitecore project, we usually follow this tutorial from Sitecore website for new CDs configurations. However, after configuring a particular single Sitecore CD deployment, the following exception has been encountered: System.InvalidOperationException: Tracker.Current is not initialized. The...


Windows OS

Turn On/Off Windows Services with PowerShell

Posted on May 11th, 2017.

In today’s .NET Web application development landscape, having up and running all the plethora of services needed for development could seriously affect your notebook performance. In my case, having up the services for SQL Server, MongoDB, IIS plus at least two browsers for testing accounts for approx. 7 GB of RAM and 30% of CPU...