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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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Manohari Jayachandran

Sep 7

Unit Testing in C# with xUnit and Moq: Proving the Repository Pattern Actually Pays Off

#csharp #dotnet #unittesting #testing

8 min read

Naze Code

Oct 11

5 ways null gets past C# nullable reference types

#csharp #dotnet #programming #beginners

4 min read

Dhana

Sep 7

Debugging ORA-06550 / PLS-00201 in ADO.NET: A Checklist Before You Start Changing Permissions

#oracle #database #dotnet #csharp

3 min read

MICHAEL-MAURICE

Oct 11

5 RAG Mistakes That Leak Private Docs Into Chat Answers

#csharp #dotnet #ai #security

4 min read

Naze Code

Oct 11

Are exceptions really slow in C#? I threw a million to find out

#csharp #dotnet #performance #programming

4 min read

Sep 7

GPT-6 Astra Is Now Generally Available in Foundry — What It Means If You Write C#

#ai #microsoft #chatgpt #csharp

14 min read

Nick

Sep 7

Testing HttpClient the Right Way: Mock Handlers, Not Interfaces

#backend #csharp #dotnet #testing

4 min read

Sep 7

I was tired of spending 3 weeks setting up Auth & Billing, so I built NetPulse

#dotnet #csharp #nextjs #saas

2 min read

Naze Code

Oct 11

5 LINQ traps that look harmless (with real output)

#csharp #dotnet #linq #programming

3 min read

Sep 6

Interfaces in C#

#csharp #dotnet #programming #learning

18 min read

Rohith_Veerapalli

Sep 7

Delivery Remainder cancellation

#code #csharp #dotnet #programming

3 min read

MICHAEL-MAURICE

Oct 10

Route Once, Fail Over Among Equals: When NOT to Retry an LLM Call

#dotnet #csharp #ai #architecture

4 min read

Comments explain escape analysis and closures

Oct 1

Structs Aren't on the Stack. How C# Actually Manages Memory.

#csharp #dotnet #programming #beginners

14

10 min read

MICHAEL-MAURICE

Oct 10

5 Mistakes That Make LLM Streaming Break on a Flaky Network

#dotnet #webdev #ai #csharp

4 min read

Sep 10

Generics in C#

#csharp #dotnet #programming #learning

19 min read

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