AI & MLAdvanced
Model Context Protocol (MCP) in C#: Build Servers and Clients
Build Model Context Protocol servers and clients in C# with the official SDK 2.x: tools, resources, Streamable HTTP, OAuth, security and VS Code setup.
ASP.NET Core
49 articles about ASP.NET Core: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
Technologies 29
AI & MLIntermediate
ML.NET: Practical Machine Learning for .NET Developers
Learn ML.NET in C#: MLContext, IDataView, pipelines, trainers, AutoML, metrics, PredictionEnginePool, ONNX, and when to pick ML.NET over LLMs.
AI & MLAdvanced
Retrieval-Augmented Generation (RAG) in .NET: End-to-End Guide
Build production RAG in C#, covering ingestion, chunking, embeddings, hybrid retrieval, reranking, grounded prompts, citations and evaluation in .NET.
ArchitectureIntermediate
Clean Architecture in .NET: A Practical Guide
Clean Architecture in .NET 10 explained: layers, the dependency rule, project layout, use case handlers, validation, mapping, testing and vertical slices.
ArchitectureIntermediate
CQRS and the Mediator Pattern in .NET: MediatR and Beyond
CQRS and the mediator pattern in .NET: commands, queries, handlers, pipeline behaviors, MediatR's license change, Wolverine, Mediator and read models.
ArchitectureAdvanced
Modernizing .NET Framework Applications to Modern .NET
A practical roadmap for modernizing .NET Framework apps: assessment, AI-assisted tooling, System.Web adapters with YARP, CoreWCF and EF6 migration.
ASP.NET CoreBeginner
ASP.NET Core Architecture: Hosting, Kestrel and the Request Pipeline
Learn how ASP.NET Core architecture works: WebApplication hosting, Kestrel, IIS and reverse proxies, HTTP/3, endpoint routing, middleware and configuration.
ASP.NET CoreIntermediate
Blazor in .NET 10: Render Modes, Components and Architecture
Blazor in .NET 10 explained: static SSR, streaming, Interactive Server, WebAssembly and Auto render modes, lifecycle, state, forms, JS interop and auth.
ASP.NET CoreAdvanced
Output Caching, HybridCache and Rate Limiting in ASP.NET Core
Speed up and protect ASP.NET Core apps with output caching, HybridCache L1/L2 caching and rate limiting: policies, tags, Redis, partitions and 429s.
ASP.NET CoreIntermediate
gRPC in .NET: High-Performance Service Communication
Build fast gRPC services in .NET with Protobuf contracts, streaming, client factory, interceptors, deadlines, gRPC-Web, JSON transcoding and load balancing.
ASP.NET CoreIntermediate
ASP.NET Core Middleware: Build and Order Your Pipeline
Master ASP.NET Core middleware: the RequestDelegate pipeline, Use, Run, Map and UseWhen, correct ordering, custom and IMiddleware components, errors and tests.
ASP.NET CoreIntermediate
Minimal APIs in ASP.NET Core: The Complete Guide
Build fast HTTP APIs with Minimal APIs in ASP.NET Core: route handlers, binding, TypedResults, route groups, filters, .NET 10 validation, OpenAPI and AOT.
ASP.NET CoreIntermediate
OpenAPI in ASP.NET Core: Documentation and Client Generation
Generate OpenAPI 3.1 and 3.2 documents in ASP.NET Core with Microsoft.AspNetCore.OpenApi, transformers, Scalar or Swagger UI, and Kiota or NSwag clients.
ASP.NET CoreBeginner
Razor Pages vs MVC: Server-Rendered Web Apps in ASP.NET Core
Razor Pages vs MVC in ASP.NET Core: page models, controllers, tag helpers, view components, validation, antiforgery, htmx and when to choose Blazor SSR.
ASP.NET CoreIntermediate
REST API Design Best Practices with ASP.NET Core
REST API design best practices for ASP.NET Core: resource naming, HTTP semantics, status codes, ProblemDetails, pagination, ETags, idempotency and versioning.
ASP.NET CoreIntermediate
Real-Time Web Apps with ASP.NET Core SignalR
Build real-time features with ASP.NET Core SignalR, covering hubs, transports, groups, streaming, authentication, MessagePack and scaling out with Redis.
ASP.NET CoreAdvanced
YARP: Build Reverse Proxies and API Gateways in .NET
Build reverse proxies and API gateways with YARP, covering routes, clusters, transforms, load balancing, health checks, session affinity and the BFF pattern.
Cloud-NativeIntermediate
Containerizing .NET Applications: Docker Best Practices
Build small, secure .NET 10 container images with multi-stage Dockerfiles, SDK container publishing, chiseled base images, non-root users and scanning.
Cloud-NativeAdvanced
Running .NET on Kubernetes: A Production Guide
Run ASP.NET Core on Kubernetes in production: health probes, ConfigMaps, GC and CPU limits, graceful shutdown, HPA and KEDA autoscaling, AKS and Helm.
Cloud-NativeIntermediate
Resilience in .NET with Polly and Microsoft.Extensions.Http.Resilience
Build resilient .NET HTTP clients with Polly v8 and Microsoft.Extensions.Http.Resilience: retries, circuit breakers, timeouts, hedging and chaos testing.
Data & EF CoreIntermediate
Caching in .NET: In-Memory, Distributed, Redis and HybridCache
Caching in .NET explained: IMemoryCache, IDistributedCache, Redis and HybridCache, plus invalidation, TTL design, cache keys, serialization and hit ratio.
Platform & RuntimeIntermediate
Dependency Injection in .NET: The Complete Guide
Master dependency injection in .NET: service lifetimes, scope validation, captive dependencies, keyed services, open generics, decorators and anti-patterns.
Platform & RuntimeIntermediate
What's New in .NET 10 (LTS): Runtime, Libraries and SDK
A practical tour of .NET 10 LTS: JIT de-abstraction, stack allocation, post-quantum crypto, strict JSON, file-based apps, C# 14 and the .NET 11 outlook.
SecurityIntermediate
Authentication in ASP.NET Core: Cookies, JWT and OpenID Connect
A practical guide to ASP.NET Core authentication: schemes and handlers, cookies, JWT bearer validation, OpenID Connect with Entra ID, and the BFF pattern.
SecurityIntermediate
Authorization in ASP.NET Core: Roles, Claims, Policies and Resource-Based Access
Learn ASP.NET Core authorization in depth, covering roles, claims, policy requirements and handlers, resource-based checks, permissions and testing.
SecurityAdvanced
Cryptography and Data Protection in .NET
A practical guide to cryptography in .NET, covering the Data Protection API, password hashing, AesGcm, RSA/ECDsa and post-quantum APIs.
SecurityIntermediate
ASP.NET Core Identity vs Entra ID vs External IdPs: Choosing an Identity Stack
Compare ASP.NET Core Identity, Microsoft Entra ID, Duende IdentityServer, OpenIddict, Keycloak, Auth0 and Okta to pick an identity stack.
SecurityIntermediate
OWASP Top 10 for .NET Developers
A code-first tour of the OWASP Top 10:2025 risks, with concrete ASP.NET Core, EF Core and C# mitigations for access control, injection and more.
Testing & DevOpsIntermediate
Integration Testing ASP.NET Core with WebApplicationFactory and Testcontainers
Integration test ASP.NET Core with WebApplicationFactory, real databases via Testcontainers, Respawn resets, auth mocking and Aspire's testing builder.
Interview Questions 20
ArchitectureArchitect
Design Patterns Interview Questions for .NET Architects
Architect-level design patterns interview questions covering Strategy, Decorator, Factory, Mediator and real ASP.NET Core and BCL examples.
ASP.NET CoreArchitect
API Gateway and Backend-for-Frontend (BFF) Interview Questions
Architect interview questions on API gateway responsibilities, YARP vs Azure API Management, BFF token security, aggregation and avoiding a gateway monolith.
ASP.NET CoreSenior
ASP.NET Core Request Pipeline Interview Questions
10 senior ASP.NET Core interview questions on Kestrel, hosting models, middleware ordering, endpoint routing internals and HttpContext lifetime.
ASP.NET CoreArchitect
ASP.NET Core Performance and Scalability Interview Questions
10 architect-level ASP.NET Core interview questions on statelessness, caching, rate limiting, socket exhaustion, thread-pool starvation and capacity planning.
ASP.NET CoreSenior
Blazor Interview Questions for Senior .NET Developers
Senior-level Blazor interview questions covering render modes, circuits, state management, prerendering pitfalls, WebAssembly performance and authentication.
ASP.NET CoreSenior
Configuration, Options and Feature Flags Interview Questions
Senior ASP.NET Core interview questions on configuration precedence, IOptions vs IOptionsSnapshot vs IOptionsMonitor, validation, secrets and feature flags.
ASP.NET CoreSenior
Dependency Injection Interview Questions for Senior .NET Developers
10 senior .NET interview questions on DI lifetimes, captive dependencies, scope validation, keyed services, decorators, disposal and anti-patterns.
ASP.NET CoreSenior
gRPC and SignalR Interview Questions for Senior .NET Developers
Senior-level interview questions on gRPC streaming, deadlines and HTTP/2 load balancing, plus SignalR scale-out, sticky sessions and delivery guarantees.
ASP.NET CoreSenior
Minimal APIs vs Controllers Interview Questions
10 senior ASP.NET Core interview questions comparing Minimal APIs and controllers on architecture, performance, Native AOT, testing and migration.
ASP.NET CoreSenior
REST API Design Interview Questions for Senior Engineers
10 senior interview questions on REST API design: idempotency, versioning, cursor pagination, ProblemDetails, PATCH semantics, ETags and governance.
Async & ConcurrencySenior
Cancellation, Timeouts and Graceful Shutdown Interview Questions
Senior .NET interview questions on CancellationToken patterns, linked tokens, timeouts with WaitAsync, IHostApplicationLifetime, and graceful shutdown.
Async & ConcurrencySenior
Task Parallel Library and Parallelism Interview Questions
Senior-level TPL interview questions covering CPU-bound vs I/O-bound work, Parallel.ForEachAsync, PLINQ, partitioners and limiting concurrency.
CLR InternalsSenior
Exception Handling Interview Questions for Senior .NET Engineers
Ten senior .NET interview questions on exception cost, the two-pass model, filters, ExceptionDispatchInfo, IExceptionHandler and Result patterns.
Distributed SystemsSenior
Resilience Patterns Interview Questions
Senior .NET interview questions on retries, backoff and jitter, circuit breakers, bulkheads, hedging, fallbacks, retry storms, Polly v8 and Http.Resilience.
PerformanceArchitect
High-Throughput .NET Services Interview Questions
Architect-level interview questions on Kestrel tuning, async I/O, System.IO.Pipelines, pooling, backpressure, Server GC with DATAS and tail latency.
PerformanceSenior
JSON Serialization Performance Interview Questions in .NET
Senior .NET interview questions on System.Text.Json vs Newtonsoft.Json, source generation, polymorphic types, streaming and untrusted-input security.
SecuritySenior
OAuth 2.0, OpenID Connect and JWT Interview Questions
Ten senior .NET interview questions on OAuth 2.0 PKCE, client credentials, JWT validation, refresh token rotation, BFF token storage and OAuth 2.1.
SecuritySenior
Secure Coding and OWASP Interview Questions for .NET
Ten senior .NET interview questions on OWASP Top 10 risks: injection, XSS, CSRF, SSRF, insecure deserialization, broken access control and STRIDE.
System DesignArchitect
System Design Interview: Real-Time Chat with SignalR
Architect-level interview questions on designing real-time chat in ASP.NET Core SignalR: connection scale, presence, delivery receipts and offline push.
System DesignArchitect
System Design Interview: Distributed Rate Limiter in .NET
Architect-level system design questions on distributed rate limiters in .NET: algorithms, Redis and Lua, ASP.NET Core limits and failure modes.