Dotnet background jobs compared: BackgroundService, IHostedService, queues and Hangfire — persistence, retries, scaling, and which to choose when.
Ollama C# tutorial: run Llama and other open models locally and call them from .NET via OllamaSharp or the OpenAI-compatible API — private and free.
Enable nullable reference types in an existing .NET project without drowning in warnings: a file-by-file migration strategy, annotations, and pitfalls.
LLM structured output in C#: use OpenAI structured outputs and JSON schema to get typed, deserializable results — no more regex-parsing model prose.
Real C# interview questions for junior developers, from someone who runs the interviews — what each question tests and what a strong answer sounds like.
Minimal API vs controller in ASP.NET Core: performance, filters, validation, testability and team fit — a senior engineer’s practical decision guide.
Function calling with OpenAI in C#: how tool calls work under the hood, the invocation loop, and the security rules for exposing .NET methods to an LLM.
When to use a C# record vs class vs struct: value equality, immutability, allocation behavior, and a practical decision tree with real code examples.
Vector embeddings in .NET explained: what embedding vectors are, cosine similarity in C#, semantic search, and when you need a real vector database.
LINQ performance best practices from production .NET: multiple enumeration, Count vs Any, allocation costs, and when a plain loop beats a query.
RAG C# implementation guide: chunking, embeddings, vector search and grounded prompts — build a document Q&A system in .NET with real code.
Diagnose and fix the EF Core N+1 query problem with Include, projections and split queries — plus how to catch lazy-loading traps before production.
Semantic Kernel C# tutorial: build a chatbot with conversation memory, plugins, and streaming in ASP.NET Core — a complete working example for .NET devs.
Understand .NET DI service lifetimes — singleton, scoped, transient — and avoid captive dependencies, memory leaks and threading bugs in ASP.NET Core.
Microsoft.Extensions.AI tutorial: use IChatClient to swap OpenAI, Azure and Ollama models freely, add middleware, and future-proof your .NET AI code.
Learn the most common async await C# mistakes — async void, .Result deadlocks, missing ConfigureAwait and more — with fixes from production code.
Step-by-step OpenAI API C# example: install the official SDK, send chat completions, stream responses, handle errors and costs — no Python required.
Master error handling and debugging in C# programming. Learn about try-catch blocks, common exceptions, debugging techniques, and best practices for building reliable applications that handle unexpected situations gracefully.
Discover the power of Object-Oriented Programming in C#. Learn about classes, objects, properties, constructors, and encapsulation with practical examples that make OOP concepts clear for beginners.
Learn how to create functions and methods in C# to organize your code, avoid repetition, and build more maintainable programs. Perfect for beginners ready to structure their code professionally.
Learn how to make decisions and create loops in C# programming. Master if/else statements, switch statements, and loops to build dynamic, interactive programs that respond to different conditions.
Learn the fundamentals of variables and data types in C# with clear examples. Perfect for programming beginners who want to understand how computers store and work with different kinds of information.