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Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22

3 posts found #performance

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Backend PART 08

Span<T> and Memory<T> in C#: Allocation-Free Parsing, stackalloc and ref struct Rules

Copy-free slicing and allocation-free parsing with Span<T>, a measured allocation difference, stackalloc and its safe pattern, ref struct restrictions, and Memory<T> for async code.

7 Nov 2026 10 min 15

Backend PART 09

ref Returns, ref Locals, in Parameters and ref struct in C#

Moving values by reference instead of copying them: ref locals, ref returns, ref readonly, the defensive-copy trap with in parameters, readonly structs and writing your own ref struct.

7 Nov 2026 10 min 11

Backend PART 12

Performance in C#: Allocations, Structs and Measuring with BenchmarkDotNet

Why Stopwatch isn't enough, setting up BenchmarkDotNet 0.15.8 and reading its table, the measured difference between classes and structs, hidden allocations from boxing and closures, and benchmark pitfalls.

7 Nov 2026 10 min 14