Long-form tutorials and engineering notes on .NET, React, AI/ML, and SaaS architecture.
.NET 11 vs .NET 10 benchmarked on Mattrx in production — the real throughput, latency, and memory wins, the new features, and whether to upgrade.
10 async/await mistakes that wreck API throughput — .Result, async void, sequential awaits, lock across await. Mattrx 1,200 → 4,500 RPS in 2 weeks.
10 hidden ASP.NET Core memory leaks with before/after code — singletons, MemoryCache, EF tracker, LOH. Mattrx fleet RAM 12.6 GB → 2.3 GB.
Deep .NET data access guide: EF Core tracking, projection, AsSplitQuery, ExecuteUpdateAsync, compiled queries, and the EF + Dapper hybrid pattern.
SOLID principles built around a real C# order-processing service. Refactor each principle with honest pros, cons, and a code-review checklist.
ASP.NET Web API from basics to advanced — REST principles, controller + minimal-API code, versioning, auth, and the pitfalls beginners miss.
Deep-dive into ASP.NET MVC: what it is, why it exists, architecture diagram, real code, advantages, disadvantages, and where it fits in 2026. Basic to advanced.
Detect, profile, and fix the N+1 query problem in EF Core. With AsNoTracking, split queries, and the explicit-loading patterns you should know.
Inheritance breaks Liskov in practice — how to refactor a 3-level C# hierarchy into composable behaviour with interfaces and DI. Before/after code.
Practical LINQ recipes that solve real problems: grouping with lookups, pivoting, window functions, and when to drop down to raw SQL.
Minimal APIs are not just for tiny services. Here is the production trade-off matrix and how to scale them without losing structure.
Records, pattern matching, ref struct, ValueTask, and primary constructors — how they change production code in 2026.