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Articles and tutorials
everything I learn while building with .NET
This is where I write about what I learn while working with .NET, ASP.NET Core, EF Core, Docker, AWS, and Claude Code. I explain each topic step by step, and most articles come with source code on GitHub that you can clone and run yourself.
177 articles · browse by category
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dotnet claudeStop Your AI Agent Picking the Wrong .NET Libraries
AI agents default to AutoMapper, MediatR and MassTransit, all now commercial. Verified 2026 licensing, NuGet MCP Server, and guardrails that fail the build.
Sep 7, 2026 · 17 min read → -
dotnet webapi-courseAutoMapper vs Mapster vs Manual Mapping in .NET 10 - Pick the Right One in 2026
AutoMapper went commercial in 2025. Compare AutoMapper, Mapster, Mapperly, and manual mapping in .NET 10 with real benchmarks and a decision matrix.
Sep 3, 2026 · 24 min read → -
dotnet webapi-courseGlobal Exception Handling in ASP.NET Core - The Complete Guide for .NET 10
Master IExceptionHandler in ASP.NET Core. Complete guide with custom exceptions, handler chaining, Problem Details, and .NET 10's SuppressDiagnosticsCallback.
Updated Sep 3, 2026 · 23 min read → -
dotnet architecture30 .NET Microservices Interview Questions That Actually Get Asked in 2026
30 scenario-based .NET microservices interview questions with great answers, red flags, and follow-ups. Saga, outbox, gRPC, resilience, Aspire - updated for 2026.
Aug 31, 2026 · 33 min read → -
dotnet webapi-courseHow to Convert HTML to PDF in C# (.NET 10 Guide)
Convert HTML to PDF in C# with .NET 10. Build a real invoice endpoint with page breaks, repeating table headers, culture-aware currency and a render queue.
Aug 24, 2026 · 29 min read → -
dotnet webapi-courseAPI Versioning in ASP.NET Core - The .NET 10 Guide
An opinionated guide to API versioning in ASP.NET Core on .NET 10: URL vs header, Asp.Versioning 10.2, Minimal APIs, OpenAPI, and field-level versioning.
Aug 20, 2026 · 21 min read → -
dotnet architectureThe Ultimate .NET Developer Roadmap 2026 - AI, Backend, Blazor & Full-Stack
A comprehensive, practical roadmap for .NET developers covering C#, AI Tools, ASP.NET Core APIs, Blazor, databases, architecture, cloud, and DevOps. Choose your path: Backend, Frontend with Blazor, or Full-Stack.
Updated Aug 19, 2026 · 27 min read → -
dotnet webapi-course20+ .NET 10 Best Practices & Tips from a Senior Developer
20+ battle-tested .NET 10 best practices from a senior developer - async, EF Core optimization, DI, caching, security, exception handling, and more. Updated for 2026.
Updated Aug 19, 2026 · 35 min read → -
dotnetFullStackHero: The Free, Open-Source .NET 10 Starter Kit
FullStackHero is a free, MIT-licensed .NET 10 starter kit for multi-tenant SaaS - a modular monolith with 10 modules, 2 React apps, and one-command Aspire dev.
Updated Aug 19, 2026 · 19 min read → -
dotnet claudeBuild Your First MCP Server in C# with the Official SDK
Build an MCP server in C# with the official ModelContextProtocol SDK 2.1 on .NET 10. Real tools, stdio and HTTP transport, plus what actually changed in v2.0.
Aug 16, 2026 · 17 min read → -
dotnet35 Senior .NET Developer Interview Questions That Actually Get Asked in 2026
35 senior .NET interview questions with great answers, red flags, and follow-ups. GC, thread pool starvation, production diagnostics - updated for .NET 10.
Aug 9, 2026 · 49 min read → -
dotnet30 ASP.NET Core Interview Questions That Actually Get Asked in 2026
30 real ASP.NET Core internals interview questions with great answers, red flags, and follow-ups. Middleware, DI, hosting, configuration - updated for .NET 10.
Updated Aug 9, 2026 · 28 min read →