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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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EladSer

Jun 13

Don't mutate CommandText in an EF Core interceptor (a mistake I shipped)

#dotnet #csharp #opensource #webdev

3 min read

Alex May

Jun 10

I built a free Outlook add-in to fix the Todo bar's biggest limitation

#csharp #outlook #vscode #productivity

2 min read

Ian Cowley

Jun 23

Data-Oriented Design in C#: Why Objects Are Slowing You Down

#architecture #csharp #dotnet #performance

3 min read

kirandeepjassal-crypto

Jun 9

10 Async/Await Mistakes That Kill ASP.NET Core API Performance (2026 Production Audit)

#csharp #performance #dotnet #webdev

4 min read

Kasper

Jul 13

Shipping the first .NET F5-TTS library — and the ONNX bug I had to fix first

#dotnet #csharp #ai #opensource

3 min read

Malcolm

Jun 9

AI agentic workflows on large codebases

#ai #programming #dotnet #csharp

6 min read

Jul 13

Supabase .NET DevLog #1

#supabase #dotnet #opensource #csharp

2 min read

Jun 22

Build a Local RAG Chatbot in 30 Minutes with .NET 8, Ollama, and React

#dotnet #csharp #ai #softwareengineering

11 min read

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

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

Sukhpinder Singh

Jul 7

Pre-allocate Like a Pro

#dotnet #csharp #programming #webdev

2 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

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