- 9/15/2025
- 3 minute read
LinkedIn Benchmarks again
Another day, another dollar. LinkedIn has the tips for you! Performance, performance! Let's get right into it.
Hey, I'm Steven a .NET Developer in Switzerland. I am a Microsoft MVP. Also, this blog is open source on GitHub.
Recent Posts
- 9/8/2025
- 2 minute read
ToDictionaryAsync retrieves the whole object from the database in Entity Framework
In Entity Framework Core ToDictionaryAsync (and of course) also the the synchronous counter part ToDictionary retrieve the whole object from the database.
- 9/1/2025
- 7 minute read
Divide and Conquer the Database
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.
- 8/25/2025
- 1 minute read
Quick one: Difference between collection expressions and collection initializer
Did you ever wonder if there is a noticeable difference between:
List<int> a = [1, 2, 3];
// And
List<int> b = new() {1,2,3};
Let's find out:
- 8/18/2025
- 1 minute read
Two more LINQ extensions in dotnet 10
The preview 6 of dotnet 10 brings two more functions: InfiniteSequence and Sequence.
- 8/11/2025
- 1 minute read
How to not return all properties in SqlRaw
Entity Frameworks SqlRaw has a small, sometimes annoying limitation:
The SQL query must return data for all properties of the entity type.
Sometimes that isn't desireable, so let's overcome that super easy.
- 8/4/2025
- 4 minute read
Disabling thread safety check in Entity Framework
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.
- 7/28/2025
- 4 minute read
Using Architecture Tests for CancellationTokens and sealed classes
Architectural Unit tests are nice to constraint your system (like which parts of your application can access other parts of your application). This blog post is not about that - that is covered a lot in the internet. No, I want to show what I did in a recent project: Checking if all controllers do use CancellationToken and some other entities are sealed.
- 7/21/2025
- 2 minute read
Why Lists are not lowered to a while loop
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?
- 7/7/2025
- 3 minute read
ToListAsync is fast again in Entity Framework (kind of)
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". Things have evolved since then, so let's celebrate!