.NET & C#
84 articles
Streaming Content into S3 with Multipart Uploads
The AWS S3 SDK silently fails when uploading non-seekable streams. Learn how to use S3 multipart upload to genuinely stream chunks into S3 without loading content into memory.
.NET TCP Networking With Pipes
Building a high-performance TCP server and client in .NET using System.IO.Pipelines — reducing boilerplate while maximizing throughput through Memory/Span and rented buffers.
ASP File Streams
How to efficiently forward large file streams through multiple ASP.NET service layers — keeping memory footprint minimal with binary request body and file signature validation.
Monadic Structures
A Result<T> monad pattern for C# — error types, typed result records, and MonadExecute helpers that chain operations through multiple service calls without relying on exceptions.
Mongo Batch Processes
Safely delete millions of MongoDB documents without hammering the server — using a custom IAsyncCursor enumerator, a partition helper, and a Hangfire background job with pause intervals.
How to Configure Options in ASP.NET
Five approaches to registering and validating ASP.NET configuration options — from Configure<T> to IConfigureOptions, IValidateOptions, and data annotation validation at startup.
IdentityServer — Protecting an API With ClientCredentials
Minimal .NET 6 setup for protecting an ASP.NET API with IdentityServer4 ClientCredentials — IdentityServer project, API Bearer configuration, and three NUnit integration tests.
Optimistic Concurrency Mongo C#
Implementing optimistic locking in MongoDB with C# using a timestamp field — a CollectionUnitOptimistic wrapper that validates the timestamp on every write and throws on conflicts.
C# Bitwise Operations
Using bitwise OR, AND, XOR and complement operators in C# to compose, check, and remove permission flags — with binary visualizations showing exactly what each operation does to the bits.