C# Threading Gotchas

Introduction Threading and concurrency is a big topic and there are plenty of resources out there that covers the hows and whats related to starting new threads and avoiding locking up your UI and so on. I will not go into those details but rather try to focus on things that are good to know, […]

C# struct and class – when to use each?

Value types and Reference types In C# you have both Value types and Reference types. There are some fundamental differences between them that are important to understand. The most common value types are the simple ones, like int, bool, char, and long. But also enum and struct are value types. They are called value types […]

C# Protecting private collections from modification

Why do we want to hide data? One of the big advantages of object oriented programming is claimed to be possibilities to encapsulate data and hide internal implementation details. This enables us to make changes to our implementation without impacting our users and ensures our internal data does not get modified in ways that we […]

C# Pitfalls of returning IEnumerable

Generic and specific return types It is often preferred to work with as generic types as possible. Doing that opens up for more flexibility and being able to modify parts of the code without effecting any other parts. One example of this is IEnumerable<T> which is implemented by several generic collection types, such as HashSet<T>, […]

C# Collections – Non-generic or Generic?

Non-generic- vs generic collections When coding in C# you will pretty soon encounter Collections (Lists, Queues, Stacks, and so on). As soon as you wish to use a Collection of some sort you will have the choice of using one from the System.Collections namespace or one from the System.Collections.Generic namespace. The most commonly used Collection […]