Entity Framework 3 - Migrations
Install EF Core 3 Migration tools The tooling of the Entity Framework Core Migrations comes via NuGet (and dotnet tooling). dotnet tool install --glo
Custom PasswordHasher in ASP.NET Core Identity
In the ASP.NET Core Identity environment, the PasswordHasher is responsible for securely storing the password and performing password entry checks. I
Unit Testing with Entity Framework Core 3
This post covers the basic structure for unit tests with Entity Framework Core. Note: Unit tests are only there to test the respective logic. Unit t
Custom Model Binders in ASP.NET Core
What are Model Binders? ModelBinders are required in ASP.NET Core to pass parameters from HTTP requests into a controller action method. For example,
Use SignalR in MediatR Notifications
SignalR is a wonderful, easy and fast way to provide users with push messages - and is also built into ASP.NET Core 3. In this short code sample I s
IoT Plattformen: Make or Buy
Die Digitalisierung kommt langsam aber sicher auch in den großen deutschen Firmen an: sowohl im Mittelstand wie auch im Enterprise-Umfeld. Für die me
Microsoft Elite Controller Series 2 Unboxing
Pünktlich am Tag des Release um 11 Uhr klingelte der Postbote und brachte mir meinen schon im September bestellten XBOX Controller Elite 2 Series. Na
Use a MSSQL Server 2017 Docker Container with Full-Text Search Support
By default, there is currently no Full-Text Search Support in the Docker Images for Microsoft SQL Server 2017 or 2019 by Microsoft. The only option c
Enable CodeLens in Visual Studio 2019
At the moment it happens to me more often that CodeLens is not active in Visual Studio. Unfortunately I couldn't find out if this is in bug in the cu
Read System Properties like CPU Temperatures with .NET Core
Through a forum post I discovered the NuGet package OpenHardwareMonitorLibCore, and wanted to test it. Apparently this is a wrapper of a very popula
Using ASP.NET Core 3 in .NET libraries
With the release of ASP.NET Core 3, Microsoft has also changed the way how to use and reference ASP.NET Core dependencies. In the past you could use
Windows 10: disable app auto start
By default, Windows 10 starts all applications that were open before starting or restarting a system. I don't know anyone who thinks this functionali
Outlook: failed to add Office 365 account
For several months now there has been a bug(!?) in Outlook that often prevents Office 365 accounts from being added. The error message Outlook reveal
Microsoft MVP 2019 - .NET and Azure
It was this time again: the annual cycle of the Microsoft MVP re-nomination. Thousands of MVPs sat in front of their computers on the first of July h
Azure IoT: send messages with C#
Requirements You must have created an IoT Hub in Azure. You must have created a device in your created Azure IoT Hub. You need the connection string
Setting up an Azure IoT Hub
The Azure IoT Hub is a highly scalable, secure platform for the bidirectional communication of devices and software components in the sense of IoT -
ASP.NET Core Serverless on AWS Lambda
Serverless Serverless is on everyone's lips; in the .NET area it means mainly Azure Functions. In principle Serverless is all about not having to wor
Resize Images with .NET Core
To resize images like PNG, JPEG, JPG and Co using .NET Core, there is no SDK support available today. But the Microsoft Mono team has written a wrapp
Add custom claims to token in Auth0
By default, the token of Auth0 does not contain any information about the user's name. The default claim for the name would be: http://schemas.xmlsoa
AWS Toolkit for Visual Studio 2019
AWS (Amazon Web Services) offers an extra toolkit for Visual Studio 2017 and Visual Studio 2019 that integrates seamlessly to create projects based o
Upload to Azure Storage with PHP
I had the wonderful task to change a 20 year old PHP software during a Lift-and-Shift migration to Azure, so that it doesn't store files directly in
Update Azure Storage Blob Properties with PowerShell
In the past days I uploaded a lot of files to an Azure Blob Storage using the Azure Storage Explorer. Unfortunately, I forgot to specify system prope
Run MSSQL on Docker for Windows
For some time now, Microsoft has been providing various MSSQL Server versions for Docker - for Linux and for Windows. This means that spending a few
Twitch MediatR with ASP.NET Core
Twitch Twitch is the leading streaming platform for video games and Co. Starting small, Twitch hosts monthly over 3.5 million streamers that can be w
Fast SQL-Insert with C# and SqlBulkCopy
In .NET, there is a very fast and easy way to pump a variety of entities into an SQL database: SqlBulkCopy public void BulkInsert<TEntity>(stri
Load an image into a byte-array with C#
This pretty simply snippet exports your Image into a byte-array. public static byte[] ToByteArray(this System.Drawing.Image image) { using(Memory
Download a file with .NET
The most current and currently recommended way to download .NET Framework, .NET Standard or .NET Core files from the Internet is the HttpClient class
Use a GoPro Hero as Webcam
The GoPro Hero series is the most popular action cam on the market. The current GoPro Hero 7 also offers USB-C, a micro-HDMI port as well WiFi and Bl