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Articles and discussions should be directly related to the C# programming language. (Not to be confused with C (#c), C++ (#cpp), or Objective C (#objectivec))

Questions are encouraged! (See the #help tag)

Be careful when criticizing C# as a language or platform; most such complaints are old news. Criticisms are permitted, but please keep such discussions polite and objective.

C# is a compiled programming language developed by Microsoft in 2000, as part of their .NET platform. It offers features of imperative, declarative, object-oriented, functional, and component-oriented programming.

Although based on C++, C# is a distinct language with its own unique design and specification.

The current stable release is C# 7.3.

Documentation

Compilers

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Agentic Architect

Jul 12

This week in Cursor + .NET — 8 rules + 1 essay (week ending July 12, 2026)

#csharp #dotnet #ai #cursor

3 min read

Agentic Architect

Jul 11

The AI Senior Dev Dilemma: Am I Coding or Just Prompting?

#dotnet #csharp #ai #codereview

2 min read

Lincoln Zocateli

Jun 8

C#, Go, Python, Java, Ruby e PHP: qual linguagem escolher?

#portuguese #csharp #go #python

13 min read

Baltasar García Perez-Schofield

Jul 10

Decompilando C#

#spanish #dotnet #csharp #mono

2 min read

Jul 11

The Complete End-to-End Token Flow (React + C# (.NET 8) stack)

#csharp #tokens #react #dotnet

3 min read

Ian Cowley

Jun 9

I built a native C# Grep engine that's holding it's own with ripgrep (with zero allocations)

#showdev #csharp #dotnet #performance

3 min read

Jul 10

What is OpenIddict: the .NET framework developers choose for OAuth 2.0 and OpenID Connect

#dotnet #csharp #aspnetcore #oauth

4 min read

Sukhpinder Singh

Jul 9

Custom Comparers Inside Collection Expressions: The Tiny C# Feature That Makes Sets Feel Complete

#dotnet #csharp #programming #tutorial

6 min read

Архипов Владимир

Jun 5

Stop Calling External Vector DBs for Every RAG Query: A .NET Embedded Alternative

#ai #csharp #vectordatabase #rag

6 min read

Sukhpinder Singh

Jul 7

Pre-allocate Like a Pro

#dotnet #csharp #programming #webdev

2 min read

itysu tur

Jun 5

AI-Assisted TDD vs. Pure TDD: I Picked the Iterative Dance

#dotnet #csharp #tutorial #ai

4 min read

Jul 9

Use file-based C# apps for small utilities

#dotnet #csharp #tutorial

3 min read

Hidden performance costs of false sharing

Vasyl

Jul 7

AI Wrote a Thread-Safe Counter. The CPU Made It 5x Slower.

#ai #dotnet #csharp #performance

5 min read

jlamfers2

Jul 8

Stop writing a test-data builder for every class in .NET

#dotnet #testing #csharp #bdd

4 min read

Jun 4

Agents as Tools in Microsoft Agent Framework

#dotnet #csharp #ai #tutorial

8 min read

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