LinkedIn: "Are you still using new Random() everywhere?"
Steven Giesel27 Oct 2025
You need some advice around Random? Sure there is something on LinkedIn for that. Let's have a look.
Steven Giesel
steven-giesel.comadded August 2026
top 3%Inlining and structs in C#
Steven Gieselby Steven Giesel20 Oct 2025
In this - somewhat technical and barely usable - blog post, we will have a look at inlining and structs in C#. And how they can optimize performance in some interesting ways.
Use CancellationTokens
Steven Gieselby Steven Giesel6 Oct 2025
This is a very small blog post on why you should use CancellationTokens in your API. It is not only about your code Imagine we have a long running SQL Query like the following: SELECT COUNT_BIG(*)...
LinkedIn Benchmarks again
Steven Gieselby Steven Giesel15 Sept 2025
Another day, another dollar. LinkedIn has the tips for you! Performance, performance! Let's get right into it.
Divide and Conquer the Database
Steven Gieselby Steven Giesel1 Sept 2025
For a lack of a better title, this blog post shows a database improvement that helped me quite a bit and what to do to make it work.
Disabling thread safety check in Entity Framework
Steven Gieselby Steven Giesel4 Aug 2025
In this blog post we will have a look into how to disable the thread safety check in Entity Framework. What are the implications of doing so and how to do it.
Using Architecture Tests for CancellationTokens and sealed classes
Steven Gieselby Steven Giesel28 Jul 2025
Architectural Unit tests are nice to constraint your system (like which parts of your application can access other parts of your application).
Why Lists are not lowered to a while loop
Steven Gieselby Steven Giesel21 Jul 2025
Some while ago I was explaining what "Lowering" is. And the interesting part is that List behaves differently like an array while also a List is backed by an array. But why?
ToListAsync is fast again in Entity Framework (kind of)
Steven Gieselby Steven Giesel7 Jul 2025
Last year I wrote an article about how ToListAsync was slow in Entity Framework titled: "Be careful with ToListAsync and ToArrayAsync in Entity Framework Core".
You can't use switch expressions in Blazor (sometimes)
Steven Gieselby Steven Giesel23 Jun 2025
Did you ever try to have a switch expression in Blazor? Yes, and did it go well? Sometimes not. Let's see why!
.NET 10 Performance Edition
Steven Gieselby Steven Giesel16 Jun 2025
As every year, the dotnet team adjusted the runtime and libraries to improve performance. So let's go over some of the highlights.
How to get to know the latest dotnet features - the nerdy way
Steven Gieselby Steven Giesel9 Jun 2025
If you want to be up to date with dotnet development, you can obviously follow the official blogs from Microsoft and release notes.
Avoiding reflection in C# in way unsafer ways!
Steven Gieselby Steven Giesel26 May 2025
For good reasons, many folks don't want to use reflection. Since .NET 8, we have a better way of dealing with this in most of the cases (when known in advance).