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Yohan Lasorsa

@sinedied.bsky.social
230 followers 54 following 40 posts

Principal Developer & Cloud 🥑 @ Microsoft. GDE for 🅰️. I 💙 Code, OSS, DIY, Psytrance, Synths & Snow. He/him

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Yohan Lasorsa @sinedied.bsky.social · 09/07/2026
I'm in the GitHub Copilot app all day, but my JS/Node projects had no home there. So I built Cockpit.js 🛩️ Build, test, debug, preview your app and work across monorepos, right in the side panel. And every action works for me AND the agent. github.com/sinedied/coc...
github.com
GitHub - sinedied/cockpit-js: GitHub Copilot canvas extension for the JavaScript / Node.js / web inner loop: build, lint, type-check, test, run the dev server, and update dependencies without breaking the app.
GitHub Copilot canvas extension for the JavaScript / Node.js / web inner loop: build, lint, type-check, test, run the dev server, and update dependencies without breaking the app. - sinedied/cockpi...
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Yohan Lasorsa @sinedied.bsky.social · 29/04/2026
ICYMI: LangChain.js for Beginners 8 chapters, 70+ runnable TypeScript examples, agents-first approach, MCP, and Agentic RAG. Free & open source. Long-time LangChain.js fan here, so I'm extra hyped about this one developer.microsoft.com/blog/langcha...
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Yohan Lasorsa @sinedied.bsky.social · 28/04/2026
Did you know MCP servers can now serve rich interactive UIs directly inside your agent sessions (VS Code Copilot, Claude, ChatGPT...)? devblogs.microsoft.com/azure-sdk/mc...
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Yohan Lasorsa @sinedied.bsky.social · 20/04/2026
Interesting read on MCP Apps + Azure Functions (TypeScript). Clear quickstart for MCP tools, interactive UI resources, local testing, and azd deployment. Great reference if you're building AI app workflows: devblogs.microsoft.com/azure-sdk/mc...
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Yohan Lasorsa @sinedied.bsky.social · 10/04/2026
Replacing gmailify: 3 days configuring existing tools, 30 minutes coding my own. Every AI I tried hallucinated Docker images that didn't exist... So I built imapforward, a tiny Go forwarder running on my Synology NAS. sinedied.github.io/blog/gmailify/
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Yohan Lasorsa @sinedied.bsky.social · 10/04/2026
The Drasi team used GitHub Copilot CLI as a synthetic user to automatically test their tutorials, and found 18 real doc bugs. Treating doc testing as a monitoring problem is such a smart move 🧠 opensource.microsoft.com/blog/2026/04...
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Yohan Lasorsa @sinedied.bsky.social · 31/03/2026
🚨 Heads up: axios 1.14.1 and 0.30.4 have been compromised. If you use axios, check your projects ASAP! Here's a script to scan all your repos: gist.github.com/sinedied/5de...
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Yohan Lasorsa @sinedied.bsky.social · 24/03/2026
Picking the perfect beer for your burger from 1000+ options? Vector search alone won't cut it. At CosmosDB Conf 2026, I'll build an agentic RAG system with hybrid search, LangChain.js & MCP. Come hang out! 🍔🍺
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Yohan Lasorsa @sinedied.bsky.social · 06/03/2026
Elektron added sampling to the Syntakt, so I did what any dev would do: built a sample manager for it 😄 Drag & drop, loop editing, LOFI mode, dual samples and more - all in a single HTML file! sinedied.github.io/sympakt/
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Yohan Lasorsa @sinedied.bsky.social · 03/03/2026
After 18 years without a personal website (last one was from my student days 😅), I finally have my own corner of the internet. Blog, projects, all built in 2 days with AI coding agents, without writing a single line of code. First blog: thoughts on this shift. 👉 sinedied.github.io/blog/ai-did-...
sinedied.github.io
AI did this — Yohan Lasorsa
Inaugural blog post — thoughts on finally having my own space, and how AI coding agents changed everything.
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Yohan Lasorsa @sinedied.bsky.social · 30/01/2026
Just dropped a new episode on Azure Cosmos DB TV! Showing how to build AI agents on serverless with LangChain.js, MCP, and Cosmos DB. From burgers to bots 🍔🤖 www.youtube.com/watch?v=7faP...
youtube.com
Azure Cosmos DB TV - From Burger to Bots: Agentic Apps with Cosmos DB and LangChain.js | Ep. 111
On this episode of Azure Cosmos DB TV, host Mark Brown is joined by Yohan Lasorsa to explore how you can build modern, agent-powered applications on a fully serverless foundation. This session looks…
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Yohan Lasorsa @sinedied.bsky.social · 07/01/2026
Yesterday I tried a 7yo Java project to convert old data. Spent 40m installing runtimes, java fx, going from one error to a new one, even tried using Copilot to update code/deps, nothing worked. Then I asked Copilot to rewrite it in Node.js, took 5m and it worked on first try 😅
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Yohan Lasorsa @sinedied.bsky.social · 11/12/2025
If you missed our LangChain event, you can find the videos and all resources (demos, slides, links) in this repo 👉 aka.ms/oss-ai-summit
aka.ms
GitHub - microsoft/oss-ai-summit: All ressources and content related to the events
All ressources and content related to the events. Contribute to microsoft/oss-ai-summit development by creating an account on GitHub.
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Yohan Lasorsa @sinedied.bsky.social · 09/12/2025
Just published a quick guide on hosting your Node.js MCP server on Azure Functions. Only 3 steps to get you up and running with serverless scaling! 🛠️ Take a look and let me know how you like serverless hosting for your servers using Node.js + Anthropic SDK. developer.microsoft.com/blog/host-yo...
developer.microsoft.com
Host Your Node.js MCP Server on Azure Functions in 3 Simple Steps - Microsoft for Developers
Building AI agents with the Model Context Protocol (MCP) is powerful, but when it comes to hosting your MCP server in production, you need a solution that’s reliable, scalable, and cost-effective.…
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Yohan Lasorsa @sinedied.bsky.social · 08/12/2025
Join us on Dec. 10 for the OSS AI Summit! We’ll explore #LangChain, how it powers AI apps with agents & tools in Python + JS. Plus live demos and a Q&A with the LangChain team. Friendly, technical, no fluff. See you there! 👋 developer.microsoft.com/en-us/reacto...
developer.microsoft.com
OSS AI Summit: Building with LangChain | Microsoft Reactor
Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!
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Visual Studio Code @vscode.dev · 04/12/2025
Love OSS as much as we do? Join the OSS AI Summit: Building on LangChain event on Dec 10th! You'll see real-world agent workflows powered by LangChain and MCP, get your questions answered live, and use VS Code along the way. 🔗 Register now: aka.ms/OSSAISummitR...
aka.ms
OSS AI Summit: Building with LangChain | Microsoft Reactor
Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!
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Yohan Lasorsa @sinedied.bsky.social · 23/10/2025
Missed our LangChain v1 livestream with @marlene.bsky.social ? Replay is live! We cover what’s new for JS & Python devs with lots of code examples and practical tips. Catch up here: www.youtube.com/watch?v=slJl... #LangChain #JavaScript #Python
youtube.com
LangChain v1: What JS and Python developers need to know
YouTube video by Microsoft Reactor
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Yohan Lasorsa @sinedied.bsky.social · 21/10/2025
Congrats @langchain.bsky.social team on the v1 release! 🎉 I'm happy to join the celebration with this new serverless Node.js agent built with LangChain.js v1 + MCP tools: 🍔 Interacts with a burger API 🔍 Streams traces to a web UI ☁️ Deploys with azd up Repo: aka.ms/mcp-burger
aka.ms
GitHub - Azure-Samples/mcp-agent-langchainjs: Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant
Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to order burgers from a burger restaurant - Azure-Samples/mcp-agent-langchainjs
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Yohan Lasorsa @sinedied.bsky.social · 04/09/2025
Spec Kit shifts workflows from code-first to intent-first: an evolving spec drives plan, tasks, implementation so agents (Copilot, Claude, Gemini) stay aligned. Clear checkpoints, less guesswork. Worth a read: github.blog/ai-and-ml/ge...
github.blog
Spec-driven development with AI: Get started with a new open source toolkit
Developers can use their AI tool of choice for spec-driven development with this open source toolkit.
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Yohan Lasorsa @sinedied.bsky.social · 29/08/2025
Rejoignez-nous à Paris le jeudi 18 septembre pour un atelier pratique sur VS Code et GitHub Copilot! On parlera astuces, workflows et autres échanges entre devs, tous niveaux bienvenus. Inscription : luma.com/nwzb0m39 #DevDays #VSCode #AI
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Visual Studio Code @vscode.dev · 28/08/2025
We're so excited to bring you VS Code Dev Days - a global community initiative to explore the AI capabilities within VS Code! With more than 60 worldwide, in-person events and 4 special virtual editions, there's an event for you. Learn more: aka.ms/VSCode/DevDa...
A thumbnail with a dark background and a screenshot of VS Code that reads "VS Code Dev Days Join our series of in-person community events aka.ms/VSCode/DevDays" with a VS Code and GitHub Copilot logo
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Simon Willison @simonwillison.net · 13/08/2025
GitHub Codespaces provides a free web-based development environment backed by a Linux container... and it turns out it also includes a GITHUB_TOKEN environment variable that provides free API access to the GitHub Models collection of LLMs ... here it's running my LLM CLI utility
Screenshot of a GitHub Codespaces VS Code interface showing a README.md file for codespaces-llm repository. The file describes a GitHub Codespaces environment with LLM, Python 3.13, uv and the GitHub Copilot VS Code extension. It has a "Launch Codespace" button. Below shows a terminal tab with the command "llm 'Fun facts about pelicans'" which has generated output listing 5 pelican facts: 1. **Huge Beaks:** about their enormous beaks and throat pouches for scooping fish and water, some over a foot long; 2. **Fishing Technique:** about working together to herd fish into shallow water; 3. **Great Fliers:** about being strong fliers that migrate great distances and soar on thermals; 4. **Buoyant Bodies:** about having air sacs beneath skin and bones making them extra buoyant; 5. **Dive Bombing:** about Brown Pelicans diving dramatically from air into water to catch fish.
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Visual Studio Code @vscode.dev · 07/08/2025
v1.103 of VS Code is here! Check out what's new: 🚀 GPT-5 rolling out to VS Code today 🛠️ Enable more than 128 MCP tools with virtual tools ✅ Chat checkpoints 🌳 Git worktree support …and much more: aka.ms/VSCodeRelease Here are some of the highlights 🧵
A thumbnail with a dark background and the VS Code logo that reads "What's new in Visual Studio Code July Update 1.103, Use GPT-5 in chat, chat checkpoints to restore previous states, a revamped tool picker interface, support for more than 128 tools per agent request, automatic startup for MCP servers, enhanced terminal command approvals, Git worktree support for checking out multiple branches, fast code search for Azure DevOps repositories, a customizable language model selector, and a dedicated view for managing coding agent chat sessions".
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Yohan Lasorsa @sinedied.bsky.social · 04/08/2025
📢 New @vscode.dev extension: unique workspace colors & Philips Hue light sync for your coding mood. Built in days thanks to GitHub Copilot! AI color suggestions & Peacock extension support included. Try it if you love hacking your workflow! marketplace.visualstudio.com/items?itemNa...
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Yohan Lasorsa @sinedied.bsky.social · 11/07/2025
Need to monitor CLI output and automate actions when specific patterns appear? Check out my new tool: run-on-output! Born from a hallucinated package name, now it’s real 🎉 github.com/sinedied/run...
github.com
GitHub - sinedied/run-on-output: Execute tasks when CLI output patterns are detected
Execute tasks when CLI output patterns are detected - sinedied/run-on-output
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Visual Studio Code @vscode.dev · 10/07/2025
🚀 v1.102 of VS Code is here! Check out what’s new: - MCP is GA with GitHub policy support - GitHub Copilot Chat is open source - Use custom modes for tailored chat - Background task management with Copilot coding agent …and so much more: aka.ms/VSCodeRelease 🧶 Here are some of the highlights…
A thumbnail with a dark background and the VS Code logo that reads "What’s new in Visual Studio Code June Update 1.102, featuring open source Copilot Chat, custom instructions, chat modes, auto-approve terminal commands, MCP GA, unified MCP view, middle-click scroll, and background task handling."
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Visual Studio Code @vscode.dev · 30/06/2025
VS Code: the open source AI editor. Starting today.
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Yohan Lasorsa @sinedied.bsky.social · 20/06/2025
🧠 GitHub Copilot for Azure is now GA — and it comes with Agent Mode. You can now: - Ask natural questions about your infra - Deploy apps w/ AI help - Learn Azure by doing, not reading Try it now & see what it thinks you want to do 👉 aka.ms/GitHubCopilo...
aka.ms
Announcing General Availability of GitHub Copilot for Azure—Now with Agent Mode | All things Azure
Unlocking a New DevOps Era GitHub Copilot for Azure was first introduced at Ignite 2024 as a public preview, empowering developers, IT operators, and
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Julia Muiruri @juliamuiruri.bsky.social · 04/06/2025
🚨 New program loading ...🚨 Join the JS AI Build-a-thon (from June 9 - June 30) to kick start your transition from dev to AI engineer! 💻 🛠️ Build local AI prototypes ☁️ Deploy to #AIFoundry 🤖 Create AI agents & MCP servers 👨‍💻 Join a #studyjam near you Register 👉🏽 aka.ms/JSAIBuild-a-...
AI June Jams with JavaScript at the JS AI Build-a-thon bannerAre you ready .. teaser
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Visual Studio Code @vscode.dev · 19/05/2025
Today, we're announcing plans to make VS Code an open source AI editor. We believe AI development should stay true to VS Code's core principles: open, collaborative, and community-driven. Let's build the future of software development together. aka.ms/open-source-...
A thumbnail that reads "Your open source AI editor Powered by GitHub Copilot" with the VS Code logo and a blue gradient background
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Sonia Cuff @soniacuff.com · 19/05/2025
Here it is - the Microsoft Build Book of News! news.microsoft.com/build-2025-b...
news.microsoft.com
Microsoft Build 2025 Book of News
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Yohan Lasorsa @sinedied.bsky.social · 12/05/2025
Join our live session on building serverless AI chat apps with Azure! We'll explore Azure Functions, Static Web Apps, and Cosmos DB, along with RAG using @LangChainAI JS. Don't miss out! aka.ms/ACDB5.12-X
aka.ms
Unleashing Serverless AI: Building Intelligent Apps with Azure | Microsoft Reactor
Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!
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Yohan Lasorsa @sinedied.bsky.social · 06/05/2025
Sharing my graduation project brings back so many memories! 💙 18 years later, I still feel that same enthusiasm when building new projects! Check it out: build.microsoft.com/en-US/blog?p... What’s your most nostalgic tech moment? #Microsoft #Build
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Yohan Lasorsa @sinedied.bsky.social · 15/04/2025
It's tomorrow, mark your calendar 😉
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Yohan Lasorsa @sinedied.bsky.social · 09/04/2025
Tired of reviewing those vibe-coded PRs? Let the *Grumpy Senior Dev* do the work for you! 🧐 With Copilot Agent mode and #MCP support you can have it in the loop any time you need a dose of grumpiness over your AI-generated code ✨ Try it here: github.com/sinedied/gru...
github.com
GitHub - sinedied/grumpydev-mcp: Let the grumpy senior dev review your code with this MCP server
Let the grumpy senior dev review your code with this MCP server - sinedied/grumpydev-mcp
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Yohan Lasorsa @sinedied.bsky.social · 07/04/2025
Excited to present on using Agents to automate tasks with #JS & #GenAIScript at the AI Agents Hackathon 2025 on April 16! 🌟 Join us for expert sessions & a chance to win prizes! 👉 Register here: developer.microsoft.com/reactor/even... 👉 Hackathon info: aka.ms/agentshack
Build with me at the #AgentsHack, April 8-30
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Yohan Lasorsa @sinedied.bsky.social · 31/03/2025
I cleaned up my download folder today... Found stuff from 2018 👀
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Yohan Lasorsa @sinedied.bsky.social · 27/03/2025
🚀 Live in 1 hour! Join us for a deep dive into Building Generative AI Apps with JavaScript! Whether you're new to AI or an experienced dev, this session will give you the tools to build smarter, AI-powered apps. Don’t miss it! aka.ms/BGAI-327-L #AI #JavaScript #GenerativeAI
aka.ms
Building Generative AI apps with JavaScript | Microsoft Reactor
Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!
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Yohan Lasorsa @sinedied.bsky.social · 25/03/2025
Don't forget, the conference is next week! And if you didn't get your ticket yet, you can use the SPEAKER15 code to get 15% off 🚀
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TypeScript @typescriptlang.org · 11/03/2025
Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness! devblogs.microsoft.com/typescript/t...
devblogs.microsoft.com
A 10x Faster TypeScript - TypeScript
Embarking on a native port of the existing TypeScript compiler and toolset to achieve a 10x performance speed-up.
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Yohan Lasorsa @sinedied.bsky.social · 11/03/2025
🔥🔥🔥
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Yohan Lasorsa @sinedied.bsky.social · 28/02/2025
Excited to be speaking at #DotJS this year! 🙌 I'll be diving into how AI can supercharge automation in JavaScript—rethinking prompting as a scripting discipline with aka.ms/genaiscript See you there! ⚡ #AI #JavaScript
Yohan Is a DotJS 2025 Speaker!
DotJS - April 3 - Paris
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Katerina Marchán 🐈 @zkat.tech · 21/02/2025
(Boosts encouraged!) Hi! 👋 I’m Kat. I’ve been a professional dev for over 15 years. I maintained the NPM CLI for 5 of those. I sat in TC39. I work at Microsoft. I’m self taught w/a film degree and no formal CS edu. Are you new to tech? What do you wish you could ask some1 like me? Literally AMA
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Yohan Lasorsa @sinedied.bsky.social · 13/02/2025
New blog: Using DeepSeek-R1 on Azure with JavaScript 🚀 #DEVCommunity dev.to/sinedied/usi...
dev.to
Using DeepSeek-R1 on Azure with JavaScript
Learn how to deploy and use the DeepSeek-R1 models in your JavaScript applications on Azure. Discover how to switch between Azure AI, GitHub Models, or local models with Ollama, and start using DeepSe...
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Marco Slot @marcoslot.com · 23/01/2025
🎉 pg_documentdb is open source I created the initial version with Vinod Sridharan (an absolutely brilliant engineer) at Microsoft a few years ago and it's come a long way since. It reimplements Mongo API with exact semantics in PostgreSQL. Already used by FerretDB! github.com/microsoft/do...
github.com
GitHub - microsoft/documentdb: DocumentDB offers a native implementation of document-oriented NoSQL database, enabling seamless CRUD operations on BSON data types within a PostgreSQL framework.
DocumentDB offers a native implementation of document-oriented NoSQL database, enabling seamless CRUD operations on BSON data types within a PostgreSQL framework. - microsoft/documentdb
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Marco Ippolito @marcoippolito.dev · 07/01/2025
Node.js v23.6.0 is out! 🥳🎉 This release enables the flag --experimental-strip-types by default. Node.js will be able to execute TypeScript files without additional configuration! ⚠️ This feature is experimental, has limitations and is subject to change. nodejs.org/en/blog/rele...
nodejs.org
Node.js — Node v23.6.0 (Current)
Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.
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Touraine Tech @touraine.tech · 28/12/2024
Retrouvez Olivier LEPLUS et @sinedied.bsky.social lors du prochain Touraine Tech les 6&7 févriers 2025. 🎟️ Billetterie: billetterie.touraine.tech 📜 Programme: touraine.tech/#schedule 🤗 Devenir sponsor: sponsoring2025.touraine.tech #TNT25
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Yohan Lasorsa @sinedied.bsky.social · 11/12/2024
👋 Join @koreyspace.bsky.social and me today in the Azure AI Discord for a casual chat on using @langchain.bsky.social JS with @microsoftazureai.bsky.social, and talk about #GenAI + JavaScript. This is your chance to ask questions and share your stories and experiences! aka.ms/genai-discord
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Wassim Chegham @wassim.dev · 06/11/2024
🦋 Introducing the "Azure DevRel Starter Pack" 🦋 Are you looking to get up to speed with the latest tools, resources, demos, sample applications and news about Microsoft Azure ecosystem? We've created a Starter Pack of the Azure DevRel team for you to follow! Start building! go.bsky.app/6VGtaiG
go.bsky.app
Microsoft Azure DevRel
Join the conversation
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Merill Fernando 💚 @merill.net · 26/11/2024
So who wants a verified 'Microsoft' and 'Microsoft MVP' label on their profile and all the posts? I just finished setting up @bluesky.ms as a labelling service. Go subscribe to the label to start seeing labels on verified MVPs and Microsofties. 🧵👇
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