PInvoke (sometimes stylized as P/Invoke) allows managed C# code to talk to native libraries in Windows, MacOS and Linux. It's usually...

Under most circumstances, you would use an abstract class whenever you want to provide a common implemented functionality among all the...

Reversing a binary tree is so easy that even Joe Rogan can do it! It's one of those questions that is asked a lot in a job interview...

This video is all about the .NET garbage collector - how it works and how to talk about it in a job interview. The .NET garbage collector...

This is a "Gotcha" interview question because an interviewer may want to test your deep knowledge of how copying in C# and .NET works. To...

Exception handling in C# is an important part of .NET, especially when dealing with unknown input / output such as files, database or...

So you nailed the programming interview, but your offer letter is a lot less than what you expected? Well, believe it or not, your...

The code for this is available on Github.

C# tuples are a Gotcha! programming interview question because their use is so rare and so wrapped in mystery that it's a good test of...

The code for the Big Board is available here.