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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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s-iguchi09

Sep 14

Why WPF Validation Errors Are Not Displayed, and Choosing Between IDataErrorInfo and INotifyDataErrorInfo

#wpf #dotnet #csharp

16 min read

Yatharth Kelkar

Aug 11

# I Built an AI Assistant That Asks 3 AI Models Before Answering

#ai #csharp #dotnet #fullstack

3 min read

Sep 3

Understanding Memory in .NET

#dotnet #beginners #csharp #programming

7 min read

klimek-dev

Aug 11

How I solved Windows 11 icon toggling with a lightweight C# app and Win32 API

#csharp #dotnet #opensource #microsoft

1 min read

Sep 14

Supabase .NET DevLog #10

#supabase #dotnet #csharp #opensource

1 min read

ToolBench

Aug 11

10 Entity Framework Core Performance Tips Every .NET Developer Should Know

#csharp #dotnet #entityframework #programming

11 min read

Sukhpinder Singh

Aug 31

OpenAI Usage API api_key_id: Reconcile Tokens and Costs by Key

#openai #dotnet #csharp #testing

4 min read

Lincoln Zocateli

Aug 12

Thread-safety em .NET 10 e Python: GIL e race conditions

#portuguese #csharp #dotnet #python

11 min read

Ian Cowley

Sep 13

Why Local LLMs Don't Need C++ or Python: Building a 15MB Native AOT Inference Engine in .NET 10

#csharp #dotnet #llm #performance

5 min read

Agentic Architect

Sep 13

This week in Cursor + .NET — 7 rules (week ending September 13, 2026)

#csharp #dotnet #ai #cursor

3 min read

Smersh

Aug 24

ZeroTier Without Native. Managed ZtSharp and native VL1-only ZtLite for ESP32

#esp32 #zerotier #csharp #cpp

8 min read

Antyss77

Aug 9

StringExtension - A C# library that provides utility methods for manipulating strings.

#csharp #dotnet #opensource #productivity

1 min read

shahriarKabir44

Aug 10

Optimizing ASP.NET + EF6 for Bulk Insertion and Massive Data Selection: A Practical Guide

#csharp #database #dotnet #performance

10 min read

Remigiusz Zalewski

Sep 12

Api Key Authentication in ASP .NET Core

#dotnet #csharp #aspnetcore #programming

4 min read

StepOne

Sep 11

Generic Math in C#: The Complete Guide

#programming #dotnet #csharp #backend

18 min read

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