Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { };

Computer Scientist, Nerd, passionate Software Enginner, Star Wars fan and fanatic by @SCInternacional.

[Fabio Makita @AkitaOnRails]

Pra quem está perdido ultimamente com tanta notícia de IA:

Eu disse isso mil vezes nos últimos 10 anos: programador bem preparado não vai ser substituido. Disse claramente "EU" nunca vou ser.

https://t.co/6WuhGw9Qsv

Quem vai? Todos que eu disse que seriam: os derivados das porcarias de bootcamps e "cursos" da última bolha. TUDO que foi "ensinado" lá é justamente TUDO que é 100% substituível por LLMs e deveriam ser mesmo. São posições que nem deveriam existir. E depois de 2022 a maioria foi cortado já.

Ao mesmo tempo, todo programador que ainda é resistente a usar LLMs precisa parar com isso e usar. Não há nenhum mérito em fazer a mesma tarefa mundana pela centésima vez. Eu realmente não vejo nenhum valor em escrever um Dockerfile na mão, ou configurar Makefile (eca). Tudo que já deveria ter sido automatizado, agora vai ser, e isso é ótimo. Fazer CRUD não tem valor. Fazer relatório não tem valor. Fazer a mesma UI que todo mundo já fez, não tem valor.

https://t.co/FllpjQ9ay8

Ao mesmo tempo, entenda, "em breve a IA vai substituir todo programador". Não. Isso já é ficção científica. Também já disse N vezes que estamos já batendo no teto. E quem diz "ain, mas e se ..." não tem a mínima noção de custo e engenharia.

https://t.co/gadXJthuQf

Estamos longe, muito longe de IA geral que substitui todas a profissões, Skynet, bla bla bla. Isso é meramente hype e psyop pra inflar valuation de IPO e conseguir influenciar governos a criar leis anticompetitivas.

https://t.co/I90V4QmyLf

E, em vez de "chutar" as coisas, faça como eu: adquira dados de verdade pra se basear:

https://t.co/YnRCjPho5x

Se entender o que eu escrevi nos artigos acima, você vai ter um entendimento muito mais amplo e matar todo seu deslumbramento excessivo.

A única coisa que importa é realidade objetiva.

[Avi Chawla @_avichawla]

A RAG engine for deep document understanding!

RAGFlow lets you build enterprise-grade RAG workflows on complex docs with well-founded citations.

Supports multimodal data understanding, web search, deep research, etc.

100% local & open-source with 55k+ stars!

[Dave Callan | dotnet @Dave_DotNet]

Entity Framework SQL Query Plan Visualizer 🔥
#dotnet

The EFCore.Visualizer Visual Studio extension looks like it could be a game changer.

It allows devs to view the query plan of our SQL queries directly inside Visual Studio.

Have you tried it yet?

[Avi Chawla @_avichawla]

9 MCP projects for AI engineers (with code):

[Dave Callan | dotnet @Dave_DotNet]

#dotnet 10 reduces IEnumerable 'penalty' from 83% to 10%

In .NET 9 the cost of looping through an array via IEnumerable was 83% over directly iterating the array, whereas in .NET 10 the cost was only 10% 👏🏻

What do you think?

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@aod_cunha Por mais q eu goste a agradeça ao Paixão por tudo o que já fez pelo clube, provavelmente tem culpa nisso pois, na época dele, no Juventude, antes de voltar ao Inter e com menos jogos, tb ocorreram muitas lesões.

[Rowan Cheung @rowancheung]

Microsoft just made a ton of new AI announcements across GitHub, Copilot, Azure AI Foundry, Windows, and more.

Here’s everything important announced live from Microsoft Build 2025:

[Julio Casal @julioc]

.NET 9 is the best platform for microservices.

Here's why:

𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱 𝗿𝗲𝘀𝗶𝗹𝗶𝗲𝗻𝗰𝗲 𝗵𝗮𝗻𝗱𝗹𝗲𝗿
Adds retries, timeouts, and circuit breakers to HttpClient with one line.

𝗥𝗮𝘁𝗲 𝗹𝗶𝗺𝗶𝘁𝗲𝗿
Built-in middleware protects services from overload and abuse.

𝗖𝗶𝗿𝗰𝘂𝗶𝘁 𝗯𝗿𝗲𝗮𝗸𝗲𝗿
Prevents cascading failures by stopping calls to unstable services.

𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱 𝗵𝗲𝗱𝗴𝗶𝗻𝗴 𝗵𝗮𝗻𝗱𝗹𝗲𝗿
Reduces tail latency by sending backup requests automatically.

.𝗡𝗘𝗧 𝗦𝗗𝗞 𝗽𝘂𝗯𝗹𝗶𝘀𝗵𝗶𝗻𝗴
Generate and push container images directly with dotnet publish.

𝗡𝗼𝗻-𝗿𝗼𝗼𝘁 𝗯𝗮𝘀𝗲 𝗶𝗺𝗮𝗴𝗲𝘀
Secure-by-default images run without root permissions.

𝗗𝗶𝘀𝘁𝗿𝗼𝗹𝗲𝘀𝘀 / 𝗖𝗵𝗶𝘀𝗲𝗹𝗲𝗱 𝗶𝗺𝗮𝗴𝗲𝘀
Minimal images optimized for startup time and attack surface.

𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗿𝗲𝗴𝗶𝘀𝘁𝗿𝘆 𝗽𝘂𝘀𝗵
Push images to ACR or Docker Hub with no extra tooling.

𝗖𝗿𝗲𝗮𝘁𝗲𝗦𝗹𝗶𝗺𝗕𝘂𝗶𝗹𝗱𝗲𝗿
Trims ASP .NET Core to the bare minimum for lightning-fast apps.

𝗦𝗼𝘂𝗿𝗰𝗲 𝗴𝗲𝗻𝗲𝗿𝗮𝘁𝗼𝗿𝘀
Enable compile-time optimizations that reduce runtime reflection.

𝗥𝗲𝗱𝘂𝗰𝗲𝗱 𝘀𝘁𝗮𝗿𝘁𝘂𝗽 𝘁𝗶𝗺𝗲
Cold starts under 50ms make AOT ideal for serverless and containers.

𝗥𝗲𝗱𝘂𝗰𝗲𝗱 𝗺𝗲𝗺𝗼𝗿𝘆 𝗱𝗲𝗺𝗮𝗻𝗱
Lower memory use means higher pod density and lower cloud bills.

𝗛𝗲𝗮𝗹𝘁𝗵 𝗰𝗵𝗲𝗰𝗸𝘀
Add liveness and readiness endpoints with a single line using built-in middleware.

𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗢𝗽𝗲𝗻𝗧𝗲𝗹𝗲𝗺𝗲𝘁𝗿𝘆 𝘀𝘂𝗽𝗽𝗼𝗿𝘁
Add structured logs, traces, and metrics with a single line.

.𝗡𝗘𝗧 𝗚𝗿𝗮𝗳𝗮𝗻𝗮 𝗱𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱𝘀
Export metrics to Prometheus and plug into ready-made dashboards.

𝗱𝗼𝘁𝗻𝗲𝘁-𝗺𝗼𝗻𝗶𝘁𝗼𝗿
Collect traces, memory dumps, metrics, and logs from live .NET apps with zero code changes.

𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗱𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝘆
Links services via project references and generates endpoints at build time—no hardcoded URLs or manual config needed.

𝗔𝘀𝗽𝗶𝗿𝗲 𝗱𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱
Visualize app topology, logs, health checks, and metrics.

𝗔𝘀𝗽𝗶𝗿𝗲 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀
Pre-wired support for Redis, Postgres, MongoDB, Key Vault, and more.

𝗔𝘀𝗽𝗶𝗿𝗲 𝗱𝗲𝘃-𝘁𝗶𝗺𝗲 𝗼𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻
Runs your app, supporting services, and infrastructure locally with one launch—no Docker, YAML, or manual wiring required.

.NET gives you everything you need to build production-grade microservices—fast, secure, and cloud-ready.

--
Get my Free .NET Developer Roadmap 👇
https://t.co/Ed7r4wgPJK

[Sacani (Space Today) - AKA Gordão Foguetes @SpaceToday1]

Turma de programação em C# relembrei até meus tempos de trabalhar com Sprites!! Projeto magnífico do @brasil.ia.oficial !!! Aprendam a programar!!!!

[Atal @ZabihullahAtal]

Microsoft is offering a FREE Certification Program to become a Certified

- Data Analyst
- Data Engineer
- Data Scientist

No Payment, No Registration Required:

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@SCInternacional @extremoCentroo @nicolaszanatto

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

https://t.co/ytQagRmnMs

[Akshay 🚀 @akshay_pachaar]

Microsoft has released its own document parser for LLM use!
.
.
Introducing MarkItDown, a 100% open-source, one-stop solution for effortlessly converting any file to Markdown—perfect for text analysis, indexing, and more!

Here’s what makes it special:

↳ Converts PDF, Word, Excel, PPT, images, audio to markdown
↳ Extracts EXIF, OCR, and transcripts automatically
↳ Available via CLI, Python API, or Docker
↳ Offers LLM-based image descriptions
↳ Supports batch conversions

Link to the repo in next tweet!
_____
Find me → @akshay_pachaar ✔️
For more insights & tutorials on AI and Machine Learning.

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@ojedabtc @nicolaszanatto @extremoCentroo

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@thefutballboy_1 Lucimar da Silva Ferreira (Lúcio)

[Julio Casal @julioc]

.NET 9 is out today.

Top updates across 8 key areas:

𝗖# 𝟭𝟯
Params collections, enhanced lock types, and a new escape make coding smoother. Plus, implicit index access to simplify initialization.

𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲
OpenAPI enhancements, faster asset delivery, PAR support, and the new HybridCache library boost performance and security.

𝗘𝗙 𝗖𝗼𝗿𝗲
Improved Cosmos DB support, pre-compiled AOT queries, better LINQ, and streamlined migrations make data handling faster.

𝗥𝘂𝗻𝘁𝗶𝗺𝗲
Feature switches, control-flow enforcement, and dynamic adaptation improve performance across different app sizes.

𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀
Base64Url, new TimeSpan overloads, new collections, and cryptography upgrades add flexibility and security.

𝗦𝗗𝗞
Run tests in parallel, new terminal logger by default, a workload sets feature, and more analyzers for better productivity.

.𝗡𝗘𝗧 𝗔𝘀𝗽𝗶𝗿𝗲
New MSBuild SDK, an improved dashboard, telemetry updates, support to wait for dependencies, and lots more.

.𝗡𝗘𝗧 𝗠𝗔𝗨𝗜
Opt into Native AOT deployment, embedding APIs, full trimming, and new controls for smaller, faster mobile apps.

Are you upgrading to .NET 9?

Grab my free .NET Backend Developer roadmap 👇
https://t.co/Ed7r4wgPJK

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@liberta___depre @nicolaszanatto

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@samengo_ofc @nicolaszanatto @extremoCentroo

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@nicolaszanatto @guseibt @ricardorsci @SCInternacional @extremoCentroo Tem q tripudiar mesmo!

[Lenerson Velho Nunes (🇮🇩, ⚽, 💻, ⚛) { }; @lenersonn]

@nicolaszanatto @QGdoInter @extremoCentroo Sim, na hora não vi mas, atrás de nós teve um animal q ficou gritando xingando o Coudet uns 5 minutos sem parar e me cuspindo o fdp.