- 1/5/2026
- 4 minute read
.NET Toolbox
Let's start the new year with a bang: I created a new tool called "Toolbox" to offer some helpful tools for your everyday .NET life. Totally free, open-source and everything client-side!
Hey, I'm Steven a .NET Developer in Switzerland. I am a Microsoft MVP. Also, this blog is open source on GitHub.
Recent Posts
- 12/28/2025
- 2 minute read
Task.Delay fails if you wait longer than 49.7 days
Task.Delay fails if you wait longer than 49.7 days. So something like: await Task.Delay(TimeSpan.FromDays(50)); will fail. But why and should you care?
- 12/15/2025
- 1 minute read
One Minute Knowledge: Is ToArrayAsync or ToListAsync faster for Entity Framework?
Short question, and a short answer: ToListAsync - but why?
- 12/9/2025
- 5 minute read
GitHub Runners might not be a good benchmark baseline
I saw mutliple places where people use GitHub runners to do some benchmarking. That can be a tricky thing to do.
- 12/2/2025
- 1 minute read
Mime Type Helper in .NET 11
New helper will be available with .NET 11: MediaTypeMap.GetMediaType and MediaTypeMap.GetExtension which makes the web-development a bit easier!
- 11/24/2025
- 1 minute read
Using sortable UUID / GUIDs in Entity Framework
.NET 9 introduced Guid.CreateVersion7() / Guid.CreateVersion7(DateTimeOffset) methods to create sortable UUIDs / GUIDs based on the time of their creation. This can be particularly useful in databases where you want to maintain a chronological order of records (plus some perf benefits).
Currently, there is no native way to configure Entity Framework to use these methods when generating new GUIDs for primary keys. But we can do this on our own.
- 11/19/2025
- 1 minute read
No more public partial class Program in .NET 10
If you are using API Tests with the WebApplicationFactory you might did something like this to have a public Program class:
public partial class Program;
No more!
- 11/10/2025
- 1 minute read
Capturing Console Output in xUnit.v3
In xUnit v2 ITraceOutputHelper was needed (and injected) to make the console output inside your production code visible inside a test - in v3 it is easier: CaptureConsoleAttribute
- 11/3/2025
- 4 minute read
ArrayPool Benchmarks: We have a problem
Many benchmarks that are using ArrayPool, or more specificly ArryPool<T>.Shared, are not actually measuring a "real" scenarion or the benchmark is flawed in some way. Let's examine a bit on what is going on.
- 10/27/2025
- 4 minute read
LinkedIn: "Are you still using new Random() everywhere?"
You need some advice around Random? Sure there is something on LinkedIn for that. Let's have a look.