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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.

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Sep 22

REST (Representational State Transfer)

#csharp #dotnet #programming #learning

21 min read

MICHAEL-MAURICE

Oct 26

5 Traps When One IChatClient Fronts OpenAI, Azure, Gemini and Anthropic (.NET 10)

#dotnet #ai #csharp #architecture

6 min read

Oct 25

Idempotency Should Resume Partial Work, Not Hide It

#dotnet #csharp #architecture #testing

4 min read

Sep 21

Authorization in ASP.NET Core

#csharp #dotnet #programming #learning

16 min read

Agentic Architect

Oct 25

This week in Cursor + .NET — 7 rules (week ending October 25, 2026)

#csharp #dotnet #ai #cursor

3 min read

MICHAEL-MAURICE

Oct 25

Write the Boring Scenarios First: A Spec Checklist Before Your AI Coder Writes C#

#dotnet #csharp #ai #testing

6 min read

Kamalakannan Ayyau

Oct 24

Securing Agent-to-Agent Delegation in .NET: A Practical Design

#dotnet #security #ai #csharp

14 min read

JKC

Oct 25

Stop Blocking on the Database Inside IsValid. .NET 11 Validates Async

#backend #csharp #dotnet

5 min read

Sep 21

Talking to a PLC from C#, Part 2: Notifications and Whole-Struct Reads

#dotnet #csharp #iot #tutorial

5 min read

Nick

Sep 22

Select Like a Surgeon: LINQ Projection That Doesn't Bleed Data

#backend #csharp #dotnet #performance

3 min read

Nick

Sep 21

IQueryable vs IEnumerable: The Line Between C# and SQL

#csharp #dotnet #performance #sql

2 min read

Sep 25

The CancellationToken That Never Propagated: A Subtle ASP.NET Core Timeout Bug I Missed in Code Review

#csharp #debugging #dotnet #performance

4 min read

Dhana

Sep 21

Singleton, Scoped, or Transient: Why DI Lifetime Choice Is the Same Bug You Already Know

#dotnet #webapi #dependencyinversion #csharp

4 min read

Fmaes

Oct 24

Refresh tokens in a .NET 10 Minimal API: rotation, reuse detection and revocation

#dotnet #csharp #security #api

8 min read

Sep 25

Stop Wiring Quill by Hand: RazorRichText for ASP.NET Core

#dotnet #webdev #csharp #blazor

6 min read

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