C# Programming Language Articles
C# is Microsoft’s modern, statically-typed language for .NET development. This collection explores C# features, language evolution, practical patterns, and techniques for writing clear, efficient code in the C# ecosystem.
Language Evolution and Features
C# has evolved significantly since its creation, adopting features from other languages and innovating independently. Modern C# (10+) includes records for immutable types, nullable reference types for null-safety, pattern matching for elegant code flow, and async/await for asynchronous programming.
Records provide concise syntax for immutable data types with structural equality, ideal for domain models and data transfer objects.
Nullable Reference Types make null-safety explicit at compile time, preventing the infamous “billion-dollar mistake” of null reference exceptions.
Pattern Matching enables elegant code for type checking, null checking, and property matching without verbose if-else chains.
Async/Await abstracts the complexity of asynchronous programming, enabling responsive applications without callback hell.
Practical C# Development
Articles in this section cover language features, effective C# patterns, performance optimization, LINQ mastery, and integration with .NET libraries. Topics include null handling strategies, immutability patterns, error handling approaches, and leveraging type system features.
The goal is writing C# code that’s not just correct but also expressive, maintainable, and performant—code that communicates intent clearly and resists bugs through type safety and language features.

How SearchValues Saved Us From Scaling Hell
While you’re busy optimizing database queries and adding cache layers, thousands of string searches per second are quietly eating your CPU budget. The problem isn’t visible in your APM dashboard because it’s distributed across every request. But it’s there. Compounding. Scaling linearly with load.
I discovered this the hard way when a log processing API started choking under production traffic. The bottleneck? String validation and sanitization. The fix? A .NET 8 feature that delivered a 5x performance improvement and let us shut down servers instead of adding them. And it’s gotten even better in .NET 9 and 10.

Clean Code: A Lip Service, Not a Standard

ConstantExpectedAttribute

Still Waiting for C# 14

.NET 10 RC 1
.NET 10 RC 1 is knocking at the door, marking the first release candidate and offering the .NET community a detailed preview of what’s to come in the next LTS cycle. While not the final release, RC 1 is “go-live” supported and represents the feature-complete platform that will soon become .NET 10 LTS. In this article, I’ll try to give a rough overview of the architectural impact of .NET 10 RC 1, focusing on the latest C# 14 features, under-the-hood performance improvements, and strategic considerations for the upcoming LTS.