Como todos los lunes, vamos con los enlaces a contenidos interesantes que he ido encontrando por la red.

Esta semana se ha publicado .NET 9, por lo que tenemos bastantes contenidos relacionados con el lanzamiento y novedades que encontramos en la nueva versión.

Aparte, me ha llamado la atención el post "Understanding LLMs from Scratch Using Middle School Math" de Rohit Patel, que explica cómo funcionan los modelos de lenguaje de gran tamaño (LLMs) de forma sencilla, sin grandes complicaciones matemáticas. Muy recomendable para comprender lo que se cuece bajo el capó de estas tecnologías tan fascinantes.

Y en la sección "hay gente pa tó", me ha parecido curioso el artículo "HTML: The Programming Language", una implementación de un lenguaje Turin completo con sintaxis HTML. Muy útil no parece, pero desde luego es original 😉

Por si te lo perdiste...

• ¡No uses List<T> si siempre vas a buscar por clave en los elementos en una colección!
  José M. Aguilar
• Archivos estáticos en aplicaciones ASP.NET Core (I)
  José M. Aguilar

.NET Core / .NET

• Announcing .NET 9
  .NET Team
• Calling methods is easier and faster with C# 13 params collections
  Kathleen Dollard
• Nullable Reference Types in
  Tomáš Grošup
• Consuming VSIX metadata from C#
  Daniel Cazzulino
• How to Use Pointers in C#
  Konstantinos Polychronopoulos
• Functional Programming in C#: The Practical Parts
  Milan Jovanović
• Traversals
  Mark Seemann
• How to Set Semantic Versioning for .NET Core Apps and Libraries
  Naveed Ausaf
• Exploring C# Records and Their Use Cases
  Ali Hamza Ansari
• Building Rock-Solid Business Logic and Validation Rules in .NET Workflows
  Hatim Rih
• .NET and C# Versions - 9/13 Update
  Niels Rasmussen
• Authentication and Authorization Enhancements in .NET 9.0
  Andrea Chiarelli
• Jeremy Bytes: The C# "field" Keyword and Visual Studio Tooling
  Jeremy Clark
• Day-0 Telerik Support for .NET 9
  Sam Basu

ASP.NET Core / ASP.NET / Blazor

• Announcing ASP.NET Core in .NET 9
  Dan Roth
• Introducing the .NET Aspire Community Toolkit
  Aaron Powell
• Make sure users get the latest version of your stylesheet
  Jon Hilton
• OpenTelemetry in .NET: A Friendly Journey to End-to-End Microservices Visibility
  Hatim Rih
• An awaitable Blazor Modal Dialog
  Steven Giesel
• Getting Started with FastEndpoints for Building Web APIs in .NET
  Anton Martyniuk
• Introducing the New Blazor Smart Paste Button Component
  Muthukumar Kannan
• ASP.NET Core Pitfalls - Posting a String
  Ricardo Peres
• .NET 9 improves JavaScript module importing for Blazor
  Jon Hilton
• Advanced Garbage Collection Tuning: How to Keep Your .NET Core API Fast and Furious
  Hatim Rih
• Reverse Engineering your Database into your ASP.NET Core Project
  Chad Peters

Azure / Cloud

• Cómo usar el emulador de CosmosDB en Dev Containers y GitHub Codespaces
  Gisela Torres
• Introducing GitHub Copilot for Azure
  Chris Harris
• .NET 9 GA available on Azure App Service
  Tulika Chaudharie
• Azure Network Security Best Practices to Protect Your Cloud Infrastructure
  Chris Pietschmann
• Preview 4 of AWS SDK for .NET V4
  Norm Johanson
• From .NET 6 to .NET 8+, my migration experience: Using Azure AppConfiguration in Azure Functions on .NET8+ isolated
  Anthony Giretti

Conceptos / Patrones / Buenas prácticas

• Message Bus Dye Test
  Paul Michaels
• You’re not as loosely coupled as you think!
  Derek Comartin

Data

• Novedades de EF Core 9
  EF Core Team
• SQL Server: Dynamic Data Masking (DDM) Introduction & Implementing Row-Level Security (RLS)
  Pinal Dave
• Infamous N+1 Query Problem with Entity Framework Core
  Krzysztof Begiedza
• Obfuscating data in SQL Server
  Tim Deschryver

Machine learning / IA / Bots

• Gemini is now accessible from the OpenAI Library
  Logan Kilpatrick
• LLMs from Scratch Using Middle School Math
  Rohit Patel
• Transforming Semantic Kernel Functions
  Mark Wallace
• Simple k-NN Regression Using C#
  James McCaffrey
• Easy Image Analysis with C# and LLaMA 3.2 Vision
  Hatim Rih

Web / HTML / CSS / Javascript

• Announcing TypeScript 5.7 RC
  Daniel Rosenwasser
• Deep Dive into JavaScript Inheritance
  JsDev
• Avalonia Visual Basic 6: A recreation of the classic Visual Basic 6 IDE and language in C# with Avalonia
  Bartosz Korczyński
• JavaScript's ??= Operator: Default Values Made Simple
  Trevor I. Lasn
• JavaScript Import Attributes (ES2025)
  Trevor I. Lasn
• Enhance Web App Security with a CSP
  Chameera Dulanga
• Mapping Over Promises in JavaScript
  Peter Mbanugo
• Mastering Design Patterns in JavaScript: Part 7 — The Command Pattern
  Ketan Jakhar
• State of CSS and State of HTML 2024
  Patrick Brosset
• Enhance Data Visualization with Markers in Angular Charts
  Gowrimathi S.
• HTML: The Programming Language
  Big Sky Software
• Enhancing two-way data binding in Angular
  Alexander Godwin

Visual Studio / Complementos / Herramientas

• Visual Studio 2022 v17.12 with .NET 9
  Mads Kristensen
• Better GitHub Copilot Completions for C#
  Mika Dumont
• Introducing Copilot Edits
  Isidor Nikolic
• Debugger breakpoints are usually implemented by patching the in-memory copy of the code
  Raymond Chen
• Supercharge your debugging with git bisect
  Phil Haack
• Fix Code with GitHub Copilot
  Mika Dumont
• WebVM 2.0: A complete Linux Desktop Environment in the browser via WebAssembly
  Alessandro Pignotti
• C# Language Support in ReSharper and Rider 2024.3
  Matthias Koch
• Playing with Kubernetes on your Local Machine
  Paul Michaels
• I've used future versions of Visual Studio for years
  Matt Lacey

.NET MAUI / Xamarin

• Novedades de .NET MAUI para .NET 9
  .NET MAUI Team
• .NET MAUI – Enable Debugger-Detached XAML Live Preview in Visual Studio 2022
  Vijay Anand

Otros

• Why did Windows 95 setup use three operating systems?
  Raymond Chen

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