- 11/15/2022
- 7 minute read
Design patterns explained with sketches
This article will explain design patterns, which we use on a daily base, with smaller (over)simplified illustrations.
Hey, I'm Steven a .NET Developer in Switzerland. I am a Microsoft MVP. Also, this blog is open source on GitHub.
Older Posts
- 11/6/2022
- 3 minute read
Mutable value types are evil! Sort of...
You might have heard that mutable value types are evil. But why is that and why does the .NET framework use them then? Are they really that evil?
Let's have a look at a few examples and have a look what is going on!
- 11/3/2022
- 3 minute read
Marking API's as obsolete or as experimental
Often times your API in your program or library evolves. So you will need a mechanism of telling that a specific API (an interface or just a simple method call) is obsolete and might be not there anymore in the next major version.
Also it can happen that you have a preview version of a API, which might not be rock-stable and the API-surface might change. How do we indicate that to the user?
- 11/2/2022
- 5 minute read
Infographics Compendium III - Exceptions, EF Sanitized, Operators, ...
This edition has the following infographics:
DebuggerDisplayAttribute- Entity Framework input and LINQ - is it safe?
ExceptionDispatchInfoimplicitandexplicitoperator
- 10/30/2022
- 7 minute read
local functions vs lambda expressions
.NET knows local functions and lambda expressions. You can almost take them interchangeably, but there are also some differences between them.
This article will show the differences between them.
- 10/21/2022
- 3 minute read
Throwing exceptions - Why is my stack trace lost?
You might have read, that re-throwing an exception like this: throw exc; is considered bad practice and you should just do this: throw; instead.
But why is it like that?
- 10/20/2022
- 6 minute read
LiteDB - A .NET embedded NoSQL database
In this article we will have a closer look at LiteDB, a .NET NoSQL Document Store in a single data file. We will discover the advantages of LiteDB and why it is a viable candidate for your next project.
We will also explore what are the differences between a NoSQL and a classical SQL database are and what this has to do with the reminiscent SQL CE or the more modern SQLite database.
- 10/15/2022
- 4 minute read
Cursed C# - Doing shenanigans in C#
In this short blog post I want to show you two silly things so that you can apply right now! Both of them equally silly, but that is not the point (is it ever?).
We will see how to await an integer or TimeSpan and how to foreach through an integer. All of this thanks to the magic of extensions methods.
- 10/15/2022
- 7 minute read
Infographics Compendium II - ThrowHelper, null Task and more
This edition has the following infographics:
ConfigureAwaitonIAsyncDisposable- Index in
foreach - Non-destructive mutations with
struct - Returning
nullfor aTask - Throw-Helper
- verbatim strings
- 10/11/2022
- 6 minute read
Low-level struct improvements in C# 11
C# 11 brings some major improvements for structs. You remember Span<T>, which you couldn't create?
Now you can. C# 11 allows ref fields in a struct. Why this is a cool thing and what you can do with it, you will see in a minute.