A Practical Demo of Zero-Downtime Migrations Using Password Hashing
A practical demo of the zero-downtime migration pattern: run old + new password hash formats side-by-side, migrate users on login, and remove legacy s...
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Page 5 of 22. Practical .NET and software architecture lessons.
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Solving the Distributed Cache Invalidation Problem with Redis and HybridCache
Learn how to solve the distributed cache invalidation problem in .NET 9 by implementing a Redis Pub/Sub backplane to synchronize HybridCache instances...
Solving Message Ordering from First Principles
Per-aggregate ordering is what we really want. But queues with competing consumers make it surprisingly easy to break. This article shows how the "fix...
The Urge to Build Something
Looking at my contribution graph now, I can see the whole journey mapped out in squares of green. The startup dreams. The pivot to teaching. The thous...
How to Build a High-Performance Cache Without External Libraries
Learn how to build a high-performance cache from scratch in .NET, moving from a simple ConcurrentDictionary to an optimized keyed-locking system. This...
Server-Sent Events in ASP.NET Core and .NET 10
ASP.NET Core 10 introduces native Server-Sent Events as a lightweight, HTTP-native alternative to SignalR for simple one-way real-time updates like da...
The New .slnx Solution Format (migration guide)
See what changes in .slnx, how to convert your existing .sln, and what to watch out for in CI.
DbContext is Not Thread-Safe: Parallelizing EF Core Queries the Right Way
Learn how to safely parallelize EF Core queries to improve performance by using IDbContextFactory to create isolated contexts, avoiding the thread-saf...
Vertical Slice Architecture: Where Does the Shared Logic Live?
Deciding where shared logic lives is the most critical moment in Vertical Slice Architecture adoption, because choosing wrong reintroduces the couplin...
The False Comfort of the "Happy Path": Decoupling Your Services
Coupling isn't just about code structure; it's about failure boundaries. Discover how to ensure your critical business logic survives when external de...
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