Singleton Design Pattern With this post a brand-new series about Software Design Patterns starts. You will learn everything about the most used Design Patterns. The first is probably the most known. It is the Singleton Design Pattern. It is one of the twenty-three well-known – and industry standard – Gang of Four Design Pattern Collection….
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For many developers, exceptions and error handling is a pain. It distracts from the application flow. However, it is important for any decent service or application to handle it well. To tackle this problem we will use Custom Exception Handling in this tutorial. ASP.NET Core provides an easy concept for all sorts of extensions and…
Prologue The source code and a working prototype is available on my Github page. You only have to adapt the appSettings file with your keys. I would also recommend to use OData when providing an API. You can find a guide to achieve this here. Deciding the Authorization Grant Type OAuth2 actually has many different…
Prologue Creating the Project As the first step, we have to create a project which holds all the source code and logic for us. In this case, we are going for a dot net core webapi project. After creating the project we can run it simply by typing in the following command. The default Controller…
Moq Framework Moq is an open-source framework which can be found on GitHub. When start using Moq make sure you install always the very latest version. Moq is usable with any test runner like vstest, xunit, nunit etc. When using Moq or any other mocking framework keep following restrictions in mind. You can not mock:…
Property and Event Binding in Angular 2+ is a very powerful tool offered by the Framework. You can easily pass values to child elements (Input) and emit changes (event binding) to the parent element (Output). The third option would be to use both as so-called two-way binding. All of the following examples and descriptions can be…
In this tutorial Using Dependency Injection (DI) in .NET Core I am going to show you how to use Dependency Injection in an .NET Core Project. When you are creating a .NET Core Project it automatically comes with an Dependency Injection Framework pre-installed, so you don’t have to look for any other solutions nor maintain it…
In this tutorial Creating A REST Webservice With .NET Core I will show you how to create a REST Webservice with .NET Core easy and fast. For this purpose we will need Visual Studio. I will use the very same version as in my other tutorial for .NET Classic. However, since .NET Core doesn’t only rely…
In this post I am going to answer the question what is aperture? I believe many new photographers are wondering about this terminology like I did when I was starting taking photography more serious than shooting everything in auto mode. Once you unterstand the basic principles of aperture you will regret that you didn’t looked…
In this Blog post we discover creating a Swagger documentation for WebAPI (ASP.NET) and why you should do it too :). If you have any questions on creating a RESTful Service with C# and Visual Studio just look at this tutorial HERE. First of all – what is Swagger? Swagger lets you create a beautiful and…