Entity Framework Core supports constructors with arguments

Keeping objects complete and valid all the time is strategy used in different methodics. It’s perhaps most popular in Domain Driven Design (DDD). Entity Framework Core 2.1 made big step forward on supporting entities that doesn’t have default empty constructor. This blog post shows how to use Entity Framework Core and entities with constructor arguments.

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Optimized hierarchy traverser

My first draft of hierarchy traversing component got some serious feedback and it’s time to make some changes before moving on to next challenges. Hierarchy traverser is not optimal yet as it uses tail-call recursion and it’s easy to run to stack overflow with it. This blog post solves this problem and prepares for next challenges like node cache and continue-from-given-node.

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Universal hierarchy traversing in C#

I started playing with small idea about how to go through document repository on SharePoint using more universal approach than just piling code to using-blocks and methods that depend on these. My goal was to separate in code hierarchy traversing logic from document exporting logic so I can use traversing part also in other projects on different types of hirarchies. Here is my nice and clean solution.

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New killer features planned for .NET Core, ASP.NET Core and Entity Framework Core 2.1

Microsoft announced roadmap for upcoming release of .NET Core family versioned as .NET Core 2.1. While there are some new features and many improvements coming I compiled a list of my favorites that I see as most imortant to all developers building solutions on .NET Core, ASP.NET Core and Entity Framework Core.

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Entity Framework Core with .NET Core console application

ASP.NET Core makes it very easy to configure and use Entity Framework Core in web applications. For .NET Core console applications there is no such machinery available but we can still use Entity Framework Core in console applications. This post shows how to wrap database context initialization to separate class and use Entity Framework Core synchronous and asynchronous calls in .NET Core console application.

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ASP.NET paging solution available at GitHub

Paging of data in ASP.NET and ASP.NET Core applications is timeless topic. It is invented over and over again and asked all the time in forums all over the world. Years ago I worked out kind of universal solution with reusable UI artifacts and I’m using these pieces this far. As ASP.NET Core is gaining more and more popularity I decided to start my sample solution with .NET Core and add full ,NET Framework and ASP.NET MVC 5 support later if asked.

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NHibernate supports async

NHibernate, the O/R-mapper that some people consider as dead, is actually alive and very much alive. The release of version 5.0 at last autumn was somehow quiet and didn’t got much attention. But there is something that brings NHibernate to modern era – support for asynchronous database access. This blog post gives brief overview of new async methods in NHibernate and shares some ideas about how to start using them.

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Performance of compiled queries in Entity Framework Core 2.0

Before applying any optimizations to our code we have to ask one question: what is the cost of improvement and is it really improvement? Compiled queries in Entity Framework 2.0 are categorized as high-availability feature but before making any decisions we need to know what is the actual win. This blog post introduces the measurements I made with simple database context to compare compiled and uncompiled queries in Entity Framework Core 2.0.

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