DEV Community

C#

Official tag for the C# programming language.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
One Contains Call, 375 Million Comparisons

One Contains Call, 375 Million Comparisons

Comments
5 min read
SortedDictionary Kept Sorting My Insertion Order Away

SortedDictionary Kept Sorting My Insertion Order Away

Comments
5 min read
My uninstaller refuses to delete anything it can't prove belongs to the app. Poke holes in my safety rules

My uninstaller refuses to delete anything it can't prove belongs to the app. Poke holes in my safety rules

Comments 1
8 min read
ASP.NET Core Authentication & Authorization Explained: What to Use, When, and How to Ship It Safely

ASP.NET Core Authentication & Authorization Explained: What to Use, When, and How to Ship It Safely

Comments
23 min read
How I cap OpenAI spending per user in ASP.NET Core

How I cap OpenAI spending per user in ASP.NET Core

Comments
5 min read
C# 14 Extension Members: The Shadowing Bug the Compiler Won't Warn You About

C# 14 Extension Members: The Shadowing Bug the Compiler Won't Warn You About

Comments
9 min read
Hello World!

Hello World!

Comments
5 min read
ASP.NET Core 'Error Unprotecting the Session Cookie': Why Your Keys Disappear on Deploy

ASP.NET Core 'Error Unprotecting the Session Cookie': Why Your Keys Disappear on Deploy

Comments
7 min read
This week in Cursor + .NET — 7 rules (week ending November 01, 2026)

This week in Cursor + .NET — 7 rules (week ending November 01, 2026)

Comments
3 min read
AnyMediator: the MediatR programming model, with tracing and notification sinks built in

AnyMediator: the MediatR programming model, with tracing and notification sinks built in

Comments
3 min read
✨ The Best Free Windows Forms Library You’ll Ever Find (Under 200KB) ✨

✨ The Best Free Windows Forms Library You’ll Ever Find (Under 200KB) ✨

17
Comments 3
2 min read
My Struct Key Boxed Itself Two Million Times

My Struct Key Boxed Itself Two Million Times

Comments
5 min read
Beyond Writing Endpoints: 4 Things I Consider When Building Production Ready .NET APIs

Beyond Writing Endpoints: 4 Things I Consider When Building Production Ready .NET APIs

Comments
3 min read
I Knew the Count and Let the List Guess Twenty Times

I Knew the Count and Let the List Guess Twenty Times

Comments
6 min read
Before the 2 AM Page: 5 Questions I Ask Every .NET Service Before It Ships

Before the 2 AM Page: 5 Questions I Ask Every .NET Service Before It Ships

Comments
6 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.