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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.
174 articles · browse by category
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61–72 of 174-
dotnet webapi-course10 .NET 10 API Anti-Patterns That Break Production (And How to Fix Them)
10 ASP.NET Core anti-patterns that break production in .NET 10 - async void, sync-over-async, fat controllers, runtime-reflection mappers in AOT, and the 2026 ones.
May 20, 2026 · 19 min read → -
dotnet webapi-courseASP.NET Core 10 Web API CRUD with EF Core - Complete .NET 10 Tutorial
Build a production-ready .NET 10 Web API with EF Core 10 and PostgreSQL. CRUD operations, DDD, Minimal APIs, Scalar, code-first migrations, and best practices.
Updated May 19, 2026 · 48 min read → -
dotnet webapi-courseAPI Key Authentication in ASP.NET Core (.NET 10) - Complete Guide
Production-grade API key authentication in ASP.NET Core .NET 10. Hashed keys, DB-backed store, AuthenticationHandler, decision matrix, full source repo.
May 8, 2026 · 28 min read → -
dotnet webapi-courseOptimistic Concurrency in EF Core 10: ASP.NET Core Web API Guide
Learn how to prevent data conflicts in ASP.NET Core Web API using optimistic concurrency with EF Core 10. RowVersion tokens, conflict resolution, retry strategies, and a decision matrix.
May 5, 2026 · 19 min read → -
dotnet webapi-courseCleaning Migrations in EF Core 10 - Squash, Reset & Manage History
Learn when and how to clean EF Core 10 migrations. Squash, reset, remove, resolve team conflicts, plus a decision matrix for the right cleanup strategy.
Updated May 5, 2026 · 16 min read → -
dotnet webapi-courseTracking vs. No-Tracking Queries in EF Core 10 - When to Use Each
Tracking vs. no-tracking queries in EF Core 10 - benchmarks, memory analysis, AsNoTrackingWithIdentityResolution, and when to use each in ASP.NET Core Web APIs.
Updated May 5, 2026 · 15 min read → -
dotnet webapi-courseSeeding Initial Data in EF Core 10 - HasData vs UseSeeding
Seed initial data in EF Core 10 with HasData, UseSeeding, and Program.cs. Includes decision matrix, FK seeding, environment strategies, and pitfalls.
Updated May 5, 2026 · 19 min read → -
dotnet webapi-courseMultiple DbContext in EF Core 10 - Scenarios, Setup & Migrations
When and how to use multiple DbContext in EF Core 10. Multi-database setup, schema separation, migrations, transactions, and modular monolith patterns.
Updated May 5, 2026 · 14 min read → -
dotnet webapi-courseSoft Deletes in EF Core 10 - Interceptors, Named Filters & Cascade Delete
Implement soft deletes in EF Core 10 using SaveChangesInterceptor, named query filters, cascade soft delete, undo/restore, and filtered unique indexes in .NET 10.
Updated May 5, 2026 · 17 min read → -
dotnet webapi-courseGlobal Query Filters in EF Core - Soft Delete, Multi-Tenancy & Named Filters in .NET 10
Master global query filters in EF Core 10 with named filters, soft delete, multi-tenancy, IgnoreQueryFilters, and performance tips.
Updated May 5, 2026 · 18 min read → -
dotnet webapi-courseEF Core 10 Relationships - One-to-One, One-to-Many & Many-to-Many
Model real relationships in EF Core - one-to-one, one-to-many, and many-to-many with Fluent API. Code examples, cascade delete behavior, and the pitfalls to avoid.
Updated May 5, 2026 · 14 min read → -
dotnet webapi-courseConfiguring Entities with Fluent API in EF Core 10 - Best Practices
Entity configuration is where your domain meets the database. Learn Fluent API in EF Core 10 - why it beats Data Annotations for complex scenarios, how to organize configurations with IEntityTypeConfiguration, configure complex relationships, and avoid common mistakes.
Updated May 5, 2026 · 15 min read →