Sahan Serasinghe - Engineering Notes
Field notes from a seasoned distributed systems software engineer and software architect leading public-facing systems that scale for millions of users.
sahansera.devCOMPUTING INFRASTRUCTURE AND TELECOMMUNICATIONS
How to Pre-Configure Services Before Registering with ASP.NET Core's Built-in Service Container
Pre-configure ASP.NET Core services that need dependencies before registration by using an explicit factory and service-provider setup.
VISUAL ARTS AND DESIGN
Demystifying Async & Await in C#
What async and await really do in C#, why a Task is not a thread, and which common misconceptions about the two cause the most trouble.
VISUAL ARTS AND DESIGN
Deploying an ASP.NET Core App on Google Kubernetes Engine
Explore the original ASP.NET Core deployment walkthrough using Docker, Google Container Registry, and Google Kubernetes Engine.
PERSONAL FINANCE
Understanding Nullable Value Types in C#
Understand nullable value types in C#, how Nullable represents missing values, and how to inspect and safely access the underlying value.
PERSONAL FINANCE
Simple In-Memory Caching in .NET 10 with IMemoryCache
Cache expensive calls in a .NET 10 app with IMemoryCache, then fix the thundering herd the naive version causes by locking around the cache miss.