Learning

🎉 **We are repeating our First Event!** We're thrilled to announce that we will repeat the our first Claude Code Barcelona meetup! There were too many people on the waiting list, so we decided repeat it. 📅 April 22th \| Doors open at 6:00 PM\, kick off at 6:15 PM 📍 **[Codurance](https://www.google.com/search?sca_esv=b81e1b9584c528ab&sxsrf=ANbL-n7MpukpQr_6sfikIQqLIzoOVYrOxg:1776320685013&q=Codurance&si=AL3DRZGNtcdgKOqVhotcr-UG2kkYpwR2WO4qu3O00NmpwBmLnXi7y0GyPSADoBUtPRhv06cajx7_r6iMd1DRZfljen5W1KATcWl80q6B5FKtteYhjjWnc60%3D&sa=X&ved=2ahUKEwiJ1b-b3vGTAxWYUqQEHWarITEQ_coHegQINBAB)** — Carrer de Pallars 99, 4th floor, room 41, 08018 Barcelona A huge thank you to **Helena Abellán**, **Jose Enrique Rodriguez Huerta**, and their company for hosting us, thank you for responding and being organising this in a short notice 🙌 **Agenda** ➡️ 6:00 PM — Check-in 🏢 6:15 PM — Host company presentation 🚀 6:25 PM — Community kick off 🎤 6:40 PM — *Taming the Genie: What 6 months with Claude Code taught me about coding agent,* by Benjamin Tarenne (in English) 🎤 7:20 PM — *AI Mythbusters: Debunking LinkedIn BS,* by Maite Malavia (in Spanish) 🤝 8:00 PM — Networking *** **🎙️Talks** **Taming the Genie: What 6 months with Claude Code taught me about coding agent,** AI coding assistants are powerful — but like a genie, they do exactly what you ask, not what you mean. In this talk I share what I've learned from 6 months using Claude Code in real projects: the failure modes nobody talks about (context collapse, token-burning spirals, silent over-reliance), my actual setup and CLAUDE.md, and the principles I now live by. *Benjamin Tarenne, Senior Full Stack Software Engineer building products for Allianz and Claude Code Barcelona community co-organizer.* **AI Mythbusters: Debunking LinkedIn BS** From "AI is going to replace all devs", "AI already thinks" and "AI learns from your chats", to "with a RAG, AI will never hallucinate again" or "APIs are dead, long live MCPs", in this talk we'll do something highly disruptive in the tech industry: revisit some AI basic concepts. We'll go through some of the most persistent myths about artificial intelligence with no doomsaying, no hype, a hint of embarrassment in some cases, and something very old school but effective: evidence. Warning - You might leave with fewer certainties than you came in with. That's exactly the point. *Maite Malavia, Solutions Architect & AI Consultant partner at Zenital and Claude Code Barcelona community co-organizer.* *** **What to expect** This community is being built around solid engineering practices, not vibe coding. We want to explore what it really means to do agentic coding well, and how Claude Code fits into a professional engineering workflow. We have prepared some content around the basics of agentic coding and AI to get the conversation started, but we'd love to hear from you too! 👉 **Interested in presenting something?** If you have a topic, use case, or experience related to Claude Code and engineering practices, we'd love to have you on stage. Drop a comment below or reach out directly! ⚠️ **Spots are limited to 60 people**. We recommend reserving your spot as soon as possible. If you’re unable to attend, please let us know in advance so we can release your seat. Don't miss it! 🎉 \-\-\-\-\-\-\-\-\-\-\- 🎉 **¡Repetimos nuestro primer evento!** Como mucha gente se quedó en lista de espera para el primer evento, el kick.off del meetup Claude Code Barcelona, hemos encontrado venue para repetirlo el próximo miércoles 22 de abril. 📅 22 de Abril \| Apertura de puertas a las 6:00 PM\, kick off a las 6:15 PM 📍 **[Codurance](https://www.google.com/search?sca_esv=b81e1b9584c528ab&sxsrf=ANbL-n7MpukpQr_6sfikIQqLIzoOVYrOxg:1776320685013&q=Codurance&si=AL3DRZGNtcdgKOqVhotcr-UG2kkYpwR2WO4qu3O00NmpwBmLnXi7y0GyPSADoBUtPRhv06cajx7_r6iMd1DRZfljen5W1KATcWl80q6B5FKtteYhjjWnc60%3D&sa=X&ved=2ahUKEwiJ1b-b3vGTAxWYUqQEHWarITEQ_coHegQINBAB)** — Carrer de Pallars 99, 4º piso, oficina 41, 08018 Barcelona Muchas gracias a **Helena Abellán**, **Jose Enrique Rodriguez Huerta** y a **Codurance** por acogernos y organizarlo todo con tan poco tiempo de antelación!🙌 **Agenda:** ➡️ 6:00 PM — Check-in 🏢 6:15 PM — Presentación de nuestro anfitrión 🚀 6:25 PM — Presentación de la comunidad 🎤 6:40 PM — *Taming the Genie: What 6 months with Claude Code taught me about coding agent,* con Benjamin Tarenne 🎤 7:20 PM — *AI Mythbusters: Debunking LinkedIn BS,* con Maite Malavia 🤝 8:00 PM — Networking *** 🎙️ **Charlas** **Domando al genio: lo que 6 meses con Claude Code me han enseñado sobre los agentes de programación** Los asistentes de programación con IA son potentes — pero, como un genio, hacen exactamente lo que les pides, no lo que realmente quieres decir. En esta charla comparto lo que he aprendido tras 6 meses usando Claude Code en proyectos reales: los modos de fallo de los que nadie habla (colapso de contexto, espirales de consumo de tokens, dependencia silenciosa), mi configuración real y mi CLAUDE.md, y los principios por los que ahora me guío. ***Benjamin Tarenne***\*, Senior Full Stack Software Engineer desarrollando productos para Allianz y coorganizador de la comunidad Claude Code Barcelona.\* *** **Cazadores de mitos de la IA: desmontando el “humo” de LinkedIn** Desde “la IA va a reemplazar a todos los desarrolladores”, “la IA ya piensa” o “la IA aprende de tus chats”, hasta “con un RAG la IA dejará de alucinar” o “las APIs han muerto, larga vida a los MCPs”, en esta charla haremos algo altamente disruptivo en la industria tecnológica: revisar algunos conceptos básicos de la IA. Recorreremos algunos de los mitos más persistentes sobre la inteligencia artificial sin catastrofismo, sin hype, con un toque de VA en algunos casos y algo muy old school pero efectivo: evidencia. ⚠️ Advertencia: puede que salgas con menos certezas de las que tenías al entrar. Ese es precisamente el objetivo. ***Maite Malavia***\*, Solutions Architect & AI Consultant partner en Zenital y coorganizadora de la comunidad Claude Code Barcelona.\* *** **¿Qué esperamos?** Esta comunidad quiere construirse alrededor de buenas prácticas de ingeniería, no del vibe coding. Queremos explorar qué significa realmente hacer agentic coding bien, y cómo Claude Code encaja en un flujo de trabajo de ingeniería profesional. Hemos preparado contenido sobre los fundamentos del agentic coding y la IA para arrancar la conversación. ¡Pero nos encantaría contar también contigo! 👉 **¿Te interesa presentar algo?** Si tienes un tema, caso de uso o experiencia relacionada con Claude Code y buenas prácticas de ingeniería, ¡nos encantaría tenerte como ponente! Deja un comentario abajo o contáctanos directamente. ⚠️ **El aforo es de 60 plazas.** Te recomendamos reservar la tuya cuanto antes. Si finalmente no puedes asistir, por favor avísanos con antelación para liberar tu plaza. ¡No te lo pierdas! 🎉

*Las charlas se darán en inglés.* Meet us for a new **Elastic meetup at Trainline office**! Doors open at 18:30 and the presentations begin around 18:45. Networking and 🍕🍺 to follow. We wrap up around 20:45. ¡Nos encantaría que te unieras! **Address:** Trainline office, Gran Via de les Corts Catalanes, 613, L'Eixample, 08007 Barcelona The office is on floor 7. **Agenda:** 18:30 Doors open 18:45 **Talk #1 Search: the new era is here by [Agustina Ruidiaz](https://www.linkedin.com/in/agusruidiaz/)** \- Software Engineer I at Elastic Abstract: Search is not just traditional TF/IDF any more but the current trend of machine learning and models has opened another dimension for search. This talk gives an overview of: * "Classic" search and its limitations * What is a model and how can you use it * How to use vector search or hybrid search in Elasticsearch * Where OpenAI's ChatGPT or similar LLMs come into play to with Elastic 19:15 Q&A + Short break 19:30 **Talk #2 OpenTelemetry for Browsers** **by [David Luna](https://www.linkedin.com/in/davidlunabistuer/)** \- Principal Software Engineer at Elastic Abstract: In this talk, we will showcase how to instrument a web application using the OpenTelemetry JavaScript SDKs available in upstream repositories and then visualize the data in Kibana. We will also use Elastic's distribution for instrumentation to see how it reduces the burden of starting with OpenTelemetry. Finally, we will overview the current status of observability in the browser and the challenges that the Browser SIG is facing. 20:00 Q&A 20:15 Networking with pizza and drinks 20:45 Wrap up Thank you Trainline for hosting us! If you’re a longtime Elastic user or just starting your journey, this is the perfect opportunity to share ideas, meet new people, and get inspired. Invite your friends and RSVP on this page! **⚡️ Interested in giving a talk? ⚡️** Have you ever considered presenting on your Elastic use case? We welcome 5-10 minute lightning talks, 45-minute deep dives, and everything in between. If you're interested, please submit via our [CFP](https://sessionize.com/elastic-meetups/) or send us an email at [meetups@elastic.co](http://meetups@elastic.co./)

Imagine yourself in a cozy concert hall with velvet curtains and soft, warm lighting, designed to make you feel enveloped and utterly comfortable... This is how you can feel in the relaxing piano concerts offered by pianist and singer María Pascual Álvarez. When? Wednesday at 20.30 Where? At the "Academia Tort" in the middle of Gràcia: Carrer Betlem 35, Barcelona. More about the repertoire: Original compositions of María, classical music, minimalism and lullabies. All played on a Yamaha acoustic Grand Piano. What to bring: You can bring your own mat or pillow (we'll let you if you don't have any) Price: Pay what you feel (minimum 5€ per person) For any question or more information, send me a message :)

dirigido a personas que buscan (re) conectar con su Cuerpo Creativo y la energía sutil. Mediante el Enraizamiento, la activación de motores y trabajos de Centro nos acercamos de manera suave a la Expresión Corporal que es una herramienta muy necesaria para poder escuchar el.cuerpo y dialogar hacia dentro, tanto como para ejercer presencia absoluta donde nos encontremos y podamos dialogar con nuestro entorno siendo capaces de generar una respuesta más que solo reaccionar.

Buenas! (English below) Cada día aparecen formas nuevas de aprender español, (y otros idiomas) apps nuevas, métodos de gramática, IA, videos de profes explicando cosas, y están todas genial. Si te ayudan a entender más y a hablar mejor están genial. El plan de este grupo es mejorar tu español con juegos, actividades reales y ejercicios para hablar más. Con la excusa de los juegos y las actividades corregimos la mayoría de errores: Palabras difíciles, confundir pasados, preposiciones, verbos que significan muchas cosas, ser y estar en pasado, frases con dos verbos o mas, subjuntivo, expresiones coloquiales, y también los errores "culturales”: ¿De que forma usamos los españoles el idioma en diferentes situaciones? La gente que participa es (casi siempre) muy simpática, y normalmente deja reviews muy positivas de las clases. Si te cuadra el plan ven a practicar tu español y hablamos de comida, de viajes, de trabajo, de cultura, de Internet, de temas locales, de noticias y de muchas más cosas. Para participar hay una contribución de solo 10€ por persona/ clase de 2 horas (materiales incluidos, bebidas no incluidas) o de 30€ por 4 clases. Vente y hablamos. Rafa. \-\-\-\- Hi! Every day there are new ways to learn Spanish, (or any language) new apps, grammar methods, AI, teachers explaining things on videos, and they are all great. If they help you to understand more and to speak better, they are great. The main plan in this group is to improve your Spanish with games, real activities and exercises to speak more. All the games and activities are a good excuse to correct the most difficult/ frequent mistakes: Difficult words, confusing past tenses, prepositions, verbs that mean many things, ser and estar in the past, sentences with two or more verbs, subjuntive, colloquial expressions, and also “cultural" mistakes: How we, Spanish people, use the language in different situations? People participating are (almost always) very nice, and usually leave very positive reviews of the classes. If the plan fits you, come to practice your Spanish and we'll talk about food, travel, work, culture, Internet, local issues, business, news and many more things. There is a contribution to participate of only €10 per person/2-hour class (materials included, drinks not included) or €30 for 4 classes. Let´s talk. Rafa.

**Join us at the Badalona Sailing Club for a hands-on sailing and navigation experience designed for both beginners and more experienced sailors.** Each meetup lasts around **2 hours** and combines practical boat handling with real navigation at sea. Together, we’ll discover the basics of sailing through simple maneuvers, sail handling, and wind awareness — learning naturally as we exchange, ask questions, and enjoy a relaxed sail along the coast. Beyond the technical aspects, this experience is also about **being at sea**. As we sail, you’ll enjoy a beautiful perspective of **Barcelona from the water**, learn how to observe the marine environment — and with a bit of luck, **dolphins sometimes join us**. These meetups are guided by **Jean**, a pr**ofessional skipper and sailing instructor**, who focuses on sharing knowledge in a relaxed, safe, and supportive atmosphere. **Prices:** **\- 35 euros for the first session** **\- 20 euros for following session** Whether you’re stepping on a sailboat for the first time or looking to refine your skills, this meetup offers a meaningful and engaging way to learn, sail, and connect.

Join us to find out how our courses can change your life in a better way. We will explain why we teach our emerging courses, what are the outcomes for the graduates and which career opportunities are waiting for you in the future. We also give personalized advisory on what course to choose based on your personal motivations, current situation, and background. Agenda: – Meet and Greet – Course Curriculums Walkthrough: find out more about the courses you are interested in – Q&A Our next success story could be you! So RSVP today and we’ll see you at Barcelona Code School. This event can be attended either on our campus at c/ Paris 157, 08036, Barcelona or online at https://meet.google.com/fso-revo-vuw

Studying rook endgames for beginners and above

En este evento aprenderás a preparar los cafés esenciales que se sirven en cualquier cafetería ☕✨ Descubrirás cómo hacer un **espresso**, un **cortado**, un **café con leche**, un **americano** y mucho más… ¡y lo mejor es que podrás practicar tú mismo con una máquina profesional real de cafetería! 💪🔥 (Los grupos serán solo de un máximo de 5 personas) También hablaremos de aspectos clave como la **molienda del café**, la **extracción**, y cómo **texturizar la leche correctamente** para conseguir esa crema suave y brillante que marca la diferencia 🥛🎯 Además, será una gran oportunidad para **conocer, compartir momentos con gente nueva** 🤝☕

¿Cómo orientarnos hacia una vida plena? Descubre las claves de Aristóteles en un encuentro vivencial y reflexivo. Aristóteles no solo fue uno de los grandes pensadores de la historia, también fue un observador incansable de la realidad. Su filosofía nació del asombro, pero también del contacto directo con la naturaleza, la experiencia y la vida cotidiana. Para él, comprender el mundo era inseparable de aprender a vivir mejor. **En este Filomeetup exploraremos cómo Aristóteles unió filosofía y ciencia sobre la vida. Cómo tomar mejores decisiones, el poder de los hábitos y, en definitiva, cómo orientarnos hacia una vida más plena.** Será un encuentro vivencial, con ejercicios y reflexiones que podrás llevarte a tu día a día. Herramientas filosóficas para tu día a día. Un espacio para aprender juntos, cuestionar, dialogar y conectar con otros buscadores. *¡Aporta tu perspectiva o simplemente ven a inspirarte y despertar lo que ya está en ti!* Actividad impartida por: Belinda Martinez **📅 Sábado 25 de abril de 2026 — 19:00 h a 20:30 h** **🎟️ Actividad gratuita — Plazas limitadas** ⚠️ Por favor, sé responsable con tu inscripción. Si finalmente no puedes venir, cancela para que otra persona pueda ocupar tu lugar. Si tienes alguna pregunta puedes contactarnos al móvil: 686 22 62 84. \*\*\* Para garantizar el buen funcionamiento de la actividad y evitar interrupciones, se ruega puntualidad. No se permitirá la entrada pasados los primeros 10 minutos de la actividad. Gracias por la comprensión.

Bring your work or your hobby, hang out, and code with us. Follow @buckeyecocoa for more information.

If you enjoy knitting, crocheting, working with yarn, this is the group for you. Meet new friends, bring your projects, learn from others.
We normally meet a few times a month during the week from 6-8pm. We will occasionally meet on weekends during daytime hours.

**Improving Office in Franklinton** Physical location: Improving Office 330 Rush Alley Suite #150 Columbus, OH 43215 Schedule: 6:00 p.m.: Socialize, eat, and drink. Improving will be providing pizza and beverages. 6:30 to 8:00 pm. Main meeting and presentation(s). Topic: This month Chris Pazsint will be talking about Agentic Coding. How does one use CLI Based Agents, and Agentic IDEs such as Cursor, Kiro, Antigravity? How to include agentic coding plugins for IDEs you already love such as Visual Studio Code. We meet on the last Monday of each Month. Presentations are given by members and friends of this group. If you would like to do a presentation (small or large) on a python topic, please contact Central OH Python at centralohpython@gmail.com

5:45-7:45 in Conference Room B, Library lower level. Bring your yarn projects, meet new friends. If you plan to attend, please RSVP yes. If you can’t attend, please change your RSVP to no. This helps anyone who is waitlisted and it allows me to have an accurate count of attendees as our space is quite limited. Plenty of parking in the lot, in the overflow lot across the street, and on the street. See you there!

If you are interested in selecting investment choices for your 401(k) or other workplace savings plan, minimizing your income tax liability, or identifying the most effective investments for your brokerage account, we are the group for you. We are a local chapter of Bogleheads, whose investment strategy can be found here: https://www.bogleheads.org/wiki/Bogleheads%C2%AE_investment_philosophy Or you can peruse the Boglehead forum here: https://www.bogleheads.org/index.php I look forward to seeing you there. Mark Vonder Haar

**❤️‍🔥 Online Speed Dating via Zoom – Connect with Columbus Singles Tonight!** Online speed dating for Columbus locals — hosted live on Zoom, personality matched. Join from home, get paired with Columbus singles your age, and have real conversations on Zoom. A host manages everything so you can just relax and enjoy. **Register under your age group:** - **Ages 18-32** → [REGISTER HERE](https://tempodating.com/product?productId=430.0&productType=onlineSpeedDating&city=Columbus&groupurlname=heartfelt-connections-for-local-singles-meetups&ar=18-32&face_v=8.0) - **Ages 30-46** → [REGISTER HERE](https://tempodating.com/product?productId=430.0&productType=onlineSpeedDating&city=Columbus&groupurlname=heartfelt-connections-for-local-singles-meetups&ar=30-46&face_v=8.0) - **Ages 40-58** → [REGISTER HERE](https://tempodating.com/product?productId=430.0&productType=onlineSpeedDating&city=Columbus&groupurlname=heartfelt-connections-for-local-singles-meetups&ar=40-58&face_v=8.0) - **Ages 55+** → [REGISTER HERE](https://tempodating.com/product?productId=430.0&productType=onlineSpeedDating&city=Columbus&groupurlname=heartfelt-connections-for-local-singles-meetups&ar=55+&face_v=8.0) **⚠️ Your RSVP doesn't guarantee a place.** Click your age group link below, register, and take the personality quiz to lock in your spot. Limited places. --- 🎯 **Perfect for:** - Singles in Columbus who want to meet people from home - People fed up with swiping who want actual conversation - Busy professionals who don't want to waste evenings - Anyone who likes connecting online before meeting face-to-face - Columbus locals after personality-matched dates **Event Details** - **Format:** Hosted on Zoom – one-on-one video dates - **Location:** Wherever you're comfortable – no venue, no travel - **Host:** Live host handling rounds and introductions - **Vibe:** Friendly and relaxed – genuine chats with Columbus locals - **Duration:** Roughly 90 minutes - **Rounds:** Multiple short one-on-one rounds - **Matches:** Mutual matches sent out after the event - **Privacy:** Contact info only shared when both match **How It Works** 1. **Pick your age group** – Register through your link above. 2. **Fill in the matching quiz** – Helps us find your ideal matches for the evening. 3. **Join on Zoom** – Click the link, jump on, and the host handles the rest. 4. **Speed date** – One-on-one rounds with personality-matched Columbus locals. 5. **Get matches** – Mutual matches shared after the event. 💡 **Tip:** Just be yourself. That's always the best approach. **Frequently Asked Questions** **Is my info private?** Absolutely. Contact details are only exchanged on mutual match. **What if I'm shy?** The virtual setting and hosted rounds keep things comfortable for everyone. **How long are the chats?** A few minutes each — just enough to get a sense of someone. --- ✨ Real people, real conversations — all from your home. 💘 ✨

**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you. The building address is 4450 Bridge Park The entrance is 6620 Mooney St, Suite 400 You will need to scan your ID at the door to get a visitor badge. **Abstract** GitHub Copilot is powerful, but what if you could scale from a solo AI assistant to an entire team of specialized agents working in parallel? This session introduces Squad: an open-source framework for multi-agent orchestration that lets you define teams of AI agents with specific roles, responsibilities, and expertise. We'll progress from Copilot basics to the Copilot CLI, explore how Agents add autonomy, and see how Instructions and Skills let you customize agent behavior. Then, the climax: a live demo where a Squad team of 3 agents (Lead, Developer, Tester) stands up and builds a working application in real-time, showcasing true multi-agent collaboration. Whether you're new to AI or exploring how to scale your use of Copilot, this session will show you what's possible when agents work as a team. **YouTube Link** TBD