From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
Sukhpinder Singh2d ago • 4 min read
48 Bytes a Call I Kept Handing the Garbage Collector
A hot-path helper took params object[] and minted a fresh array on every call. Switching params to R...
#csharp#dotnet#programming#webdev
2 1
Sukhpinder Singh2d ago • 5 min read
40 Bytes a Call, Just to Pass Four Ints
A params array allocates a fresh array on every call. Switching the parameter to params ReadOnlySpan...
#csharp#dotnet#programming#webdev
1 0
Ivan Rossouw2d ago • 4 min read
Put the Concurrency Gate Before the Side Effect
Many concurrency bugs begin with code that looks entirely reasonable: Read the current row. Check....
#architecture#csharp#efcore#dotnet
1 2
Todd Tanner6d ago • 3 min read
Text to 3D, 100% in the browser: TRELLIS.2 on WebGPU from C#
A 4-billion-parameter image-to-3D model running entirely on your own GPU in a browser tab. No server...
#webgpu#dotnet#csharp#ai
7 0
Sukhpinder Singh3d ago • 5 min read
500 Async Calls, One Number That Explains Why
I fanned out a batch job with Task.WhenAll and accidentally hit a downstream service with 500 simult...
#csharp#dotnet#programming#webdev
2 0
Sukhpinder Singh4d ago • 5 min read
The Tidy Helper That Made JSON Serialization 60x Slower
A clean little helper that built JsonSerializerOptions on every call turned out to be ~60x slower an...
#csharp#dotnet#programming#webdev
0 0
Sukhpinder Singh3d ago • 4 min read
I Added One ? and 1,000 Method Calls Vanished
C# 14's null-conditional assignment doesn't evaluate the right-hand side when the target is null. I ...
#csharp#dotnet#programming#webdev
1 0
Sukhpinder Singh4d ago • 5 min read
120 Bytes Per Log Line Nobody Read
My disabled log lines were still boxing their arguments and allocating. I measured the classic templ...
#csharp#dotnet#programming#webdev
0 0
Sukhpinder Singh1d ago • 4 min read
The VaryBy Line That Served Everyone Page 1
A paging bug where page 2 kept serving page 1's cached data, traced to one line: SetVaryByQuery repl...
#aspnetcore#dotnet#csharp#webdev
1 0
Sukhpinder Singh5d ago • 5 min read
The Lock Type Didn't Make My Locks Faster
A reviewer told me to swap lock(object) for the new System.Threading.Lock type for the speed. I benc...
#csharp#dotnet#programming#webdev
0 0
Remigiusz ZalewskiOct 16, 2026 • 6 min read
This Pattern Cleaned Up My EF Core Queries
Introduction Take a look at a repository interface that has been in production for...
#dotnet#csharp#tutorial#api
1 1
Haik3d ago • 12 min read
I'm a .NET Developer. I Benchmarked Java vs C# and I Didn't Like the Answer. Again.
In August I benchmarked Go against C# and did not enjoy the result. But I had a consolation prize...
#java#csharp#dotnet#performance
1 0
Shawn K. Lewis6d ago • 5 min read
gdup — a C# CLI for uploading huge files to Google Drive (and surviving interruptions)
Uploading a 50 GB file to Google Drive through the browser works fine, right up until the Wi‑Fi blip...
#csharp#dotnet#cli#opensource
1 1
Jason Xu3d ago • 5 min read
How EasyEcs runs a 100k-entity server tick in 1.72 ms with 0 B allocated
Moving 100,000 positions is an easy way to benchmark an ECS. A real server tick also applies status....
#dotnet#csharp#performance#opensource
0 0
Naze CodeOct 16, 2026 • 7 min read
I measured the viral "talk like a caveman" token saver. A two-word prompt got most of it.
Caveman promises 65% fewer tokens. I measured it on a real C# bug across three runs, compiled every ...
#ai#llm#csharp#productivity
1 0
Pedro Sakuma Travi5d ago • 22 min read
Como ReadOnlySpan<char>.IndexOf encontra uma substring com SIMD
Este artigo acompanha a sequência de ideias do vídeo: o vídeo anima os estados; aqui podemos pausar....
#dotnet#csharp#performance#algorithms
0 0
Jason Xu3d ago • 4 min read
100k particles in C# WebAssembly: ~0.1 ms for motion on an M4
Set the EasyEcs live demo to 100k and move your pointer across the sparks. They bend into a vortex.....
#dotnet#csharp#performance#showdev
0 0
Pedro Sakuma Travi5d ago • 20 min read
How ReadOnlySpan<char>.IndexOf finds a substring with SIMD
Leia em português. This article follows the video's sequence of ideas: the video animates...
#dotnet#csharp#performance#algorithms
0 0
Öcal Esmer2d ago • 2 min read
Why I Built Coreaven to Connect .NET Coding Tasks with GitHub PRs
I’m Öcal, the developer behind Coreaven. I built it to keep the steps around an AI coding task...
#dotnet#csharp#showdev
0 0
Selçuk GÜRALOct 16, 2026 • 7 min read
Stop running your whole .NET test suite on every pull request
Every .NET codebase I have worked on hits the same wall sooner or later. The test suite grows, CI...
#dotnet#csharp#testing#devops
0 4
Oga1d ago • 6 min read
ASP.NET Core Authentication Endpoints: Why I Built AuthEndpoints
ASP.NET Core wires up auth middleware but no login, register, refresh or 2FA endpoints. AuthEndpoint...
#dotnet#aspnetcore#authentication#csharp
2 2
stepinto.dev6d ago • 6 min read
What I Got Wrong About Go
Two years on, five claims in the C# to Go series that the toolchain has overtaken: GOMAXPROCS in con...
#go#dotnet#csharp#series
0 0
Jasper4d ago • 22 min read
I Retired My Hue Bridge. Here's How I Rebuilt Everything It Did (and More) in C#
📖 Table of Contents Introduction What You Lose Without the Bridge Rebuilding It in...
#homeassistant#csharp#dotnet#smarthome
0 1
Azeem Ullah3d ago • 8 min read
Printing a receipt with a logo and Georgian text from a .NET Windows service, without System.Drawing
A question on Stack Overflow this year describes a setup I see a lot: an ASP.NET Core backend for...
#dotnet#csharp#printing#tutorial
0 0