Illumonos
Illumonos is a developer-focused learning platform dedicated to helping programmers master C# and .NET through practical, example-driven tutorials. Whether you're new to the language or are exploring advanced C# and .NET, we publish clear, structured tutorials designed to take your learning to the next level.
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Latest Articles
See our latest C# articles
- Strings in C#: Introduction, and Best Practices
A comprehensive introduction to C# strings, covering how they work under the hood, how to declare and format them, how to compare them correctly, and the practical stuff you hit every day, such as immutability, common operations, empty/null checks, and when to reach for StringBuilder.
- Data Types in C# Introduction
An introduction to data types in C#, including value vs reference types, strong typing, and common type categories like numbers, text, and booleans.
- Parse Morse Code to a String in C#
Build a Morse Code parser as a fun exercise in C#. Learn how to decode Morse Code into plain text using Test-driven development.
- Convert a String to Morse Code in C#
Build a Morse code converter as a fun exercise in C#. Learn how to encode string text into Morse Code using Test-driven development.
- Parse Integers from Strings manually in C# without int.Parse
Learn how to convert strings to integers in C# without using int.Parse or int.TryParse, exploring manual parsing as a hands-on way to deepen your understanding of chars, numbers and strings.