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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 two hours 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 for all that much documentation… So, the full exception message is the following: InvalidOperationException:...

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Sitecore

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...

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Sitecore

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...

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Sitecore

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...

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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...

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ASP.net

ASP.NET Core – How to Get and Write values to HTML Inputs outside the scope of a Model

Posted on May 8th, 2017.

When you come from ASP.NET WebForms directly to ASP.NET Core, you’ll see that lots and lots of old practices for getting an adding data into web page forms have changed completely. For example, ASP.NET Core heavily rely on Models for managing form data while on ASP.NET WebForms you were totally in charge of managing that part....

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Ready your Sitecore instance for Web Mastering team

Posted on April 27th, 2017.

Let’s assume that all the development for your new Sitecore project is complete. The next step now is to fill the website with content and prepare it for going live. The customer notified you that they want to use a dedicated team of webmasters which will be responsible for the entire content management process and asked you to...

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Windows OS

Possible fix to slow page load on Firefox after installing Bitdefender

Posted on April 18th, 2017.

If you notice that your web pages are loading very slow on Firefox right after Bitdefender 2016/2017 installation then you might need some tweaks to the antivirus settings in order to restore things to initial performance. These settings might not work like a charm of all computers but you can give it a try: Step 1: Go to Firewall module...

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Microsoft Azure

Microsoft Azure – Cloud Hosting Offerings (PaaS vs IaaS)

Posted on April 5th, 2017.

The Big Picture Even though Cloud services providers are in the market for quite some time now, most custom IT solutions in the enterprise area are still hosted on good old virtual machines. It’s true, however, that nowadays the virtual machines that are hosted on major cloud solution providers have advanced scaling capabilities,...

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Sitecore

Improve Sitecore 8 start-up time after IIS reset

Posted on March 30th, 2017.

When you have a Sitecore instance which has more than 1 million items and it is hosted on an environment that is not properly scaled, you have a recipe for disaster. Not only that the website loads quite slow, but from time to time you will have to deal as well with unscheduled IIS resets. And when that happens, you will see that...