How "out" works in C# and why "in" can make or break your performance
11:02
How IEnumerable can kill your performance in C#
19:36
Writing C# without allocating ANY memory
8:05
why does inheritance suck?
15:15
What is Span in C# and why you should be using it
13:31
Covariance and Contravariance
25:29
You are doing .NET logging wrong. Let's fix it
22:19
This Is Why Python Data Classes Are Awesome
24:45