Ruby On Rails Amazon Web Services

Welcome to Sunday Tech Coffee. This is a **networking** event for those in the tech industry in Berlin. We are usually inside and to the right. Ask the barista/bartender if you can't find us.

This group is for everyone who is interested in drawing portraits! For me, drawing has been a wonderful way to gain a new perspective on the world and the people within it. Whether you are just starting out or have been drawing for ages — all levels are welcome :) How it works: 1\. We meet at The Castle pub in Mitte and do short sittings of 15 minutes for each other\. The first sitting is divided into 3 warm\-up sketches\, 5 minutes each\. 2\. Before we start\, everybody writes their name on a blank card \(provided by the organizer\); these cards are then used to randomly pick the model every 15 minutes\. 3\. Usually we do 8 sittings\, with a 15\-minute break in the middle \(so after 4 sittings\, or 1 hour\)\. -> The participation is free, but it is expected that everybody orders something from the bar to support the lovely location. Get out your pencils and let's start! Please bring your own art supplies!

If you’re reading this, you’re invited. Please don't hesitate to come even if you feel awkward about it, even if you're not "the typical ACX reader", even if you're worried people won't like you, etc. Join our Telegram group: https://t.me/+2-6QId-rIOczNWIy Location is the Espresso House coffee shop near Nordbahnhof, the same one where we have been before. [Espresso House](https://www.google.com/maps/search/?api=1&query=52.533104%2C%2013.387528) Gartenstraße 85-87 · Berlin

*[english version below]* Tritt der **neuen Telegram-Gruppe** bei, um den genauen Treffpunkt zu erfahren und für die Koordination während des Events: [@czbmcg](t.me/czbmcg) **Comfort Zone Breakers Berlin – Men’s Challenge Group** Willkommen bei den **Comfort Zone Breakers Berlin**! Wir sind eine Gemeinschaft von Männern, die sich dazu entschlossen haben, ihre Komfortzone zu verlassen und neue persönliche und soziale Herausforderungen anzunehmen. Hier dreht sich alles um Mut, Wachstum und das gemeinsame Überwinden von Grenzen. **Wer wir sind:** In dieser Gruppe findest du Männer aus verschiedenen Lebensbereichen, die eines gemeinsam haben: den Wunsch, sich weiterzuentwickeln und sich selbst neu zu entdecken. Egal ob introvertiert oder extrovertiert, Neuling oder Erfahrener – jeder ist willkommen, solange er bereit ist, über seine Grenzen hinauszuwachsen. **Unsere Mission:** Unsere Meetups bieten dir die Möglichkeit, durch gezielte Übungen und Aktivitäten deine Komfortzone zu erweitern. Wir stellen uns bewusst herausfordernden Aufgaben, die darauf abzielen, Ängste abzubauen, Selbstvertrauen zu stärken und dich als Person wachsen zu lassen. **Was dich erwartet** * **Kennenlernen in Kleingruppen** – Zu Beginn unseres Treffens bekommst du die Chance, die anderen Teilnehmer in kleinen Gruppen kennenzulernen und Vertrauen aufzubauen. * **Gemeinsame Aktivitäten** – Danach werfen wir uns in den kleinen Gruppen in aufregende und überraschende Übungen, die speziell darauf ausgelegt sind, dich aus deiner Komfortzone zu locken. Wir überraschen uns und andere mit lustigen und inspirierenden Aufgaben, die alle zum Ziel haben, persönliche Grenzen zu erweitern. * **Reflexion und Ratschläge** – Zum Abschluss nehmen wir uns Zeit für eine gemeinsame Reflexion. Hier teilen wir Erlebnisse, geben Feedback und tauschen wertvolle Ratschläge aus, um den persönlichen Fortschritt zu unterstützen. **Kosten:** Unsere Meetups sind **kostenlos** – bring einfach deine Bereitschaft mit, dich auf neue Erfahrungen einzulassen und über dich hinauszuwachsen. **Bist du bereit, deine Komfortzone zu durchbrechen?** Dann schließ dich uns an und werde Teil der **Comfort Zone Breakers Berlin – Men’s Challenge Group**! Gemeinsam überwinden wir die Grenzen unserer Komfortzone und wachsen als Männer und als Gemeinschaft über uns hinaus. **[English version]** Join the **new Telegram group** to find out the exact meeting point and coordinate during the event: [@czbmcg](t.me/czbmcg) **Comfort Zone Breakers Berlin – Men’s Challenge Group** Welcome to **Comfort Zone Breakers Berlin**! We are a community of men who have decided to step out of our comfort zones and take on new personal and social challenges. Here, it’s all about courage, growth, and overcoming boundaries together. **Who We Are:** In this group, you’ll find men from various walks of life who share a common goal: the desire to grow and discover new aspects of themselves. Whether you’re introverted or extroverted, new or experienced – everyone is welcome as long as they’re ready to push beyond their limits. **Our Mission:** Our meetups give you the opportunity to expand your comfort zone through targeted exercises and activities. We take on challenges designed to reduce fears, build self-confidence, and help you grow as a person. **What to Expect:** * **Getting to Know Each Other in Small Groups** – At the start of our meetup, you’ll have the chance to connect with other participants in small groups to build trust. * **Group Activities** – After that, we dive into exciting and surprising exercises in small groups, specially designed to pull you out of your comfort zone. We’ll surprise ourselves and others with fun and inspiring tasks, all aimed at expanding personal boundaries. * **Reflection and Advice** – We end each meetup with a reflection session. Here, we share experiences, provide feedback, and exchange valuable advice to support each other’s personal progress. **Cost:** Our meetups are free of charge – just bring your willingness to embrace new experiences and grow beyond yourself. **Are you ready to break through your comfort zone?** Then join us and become part of the **Comfort Zone Breakers Berlin – Men’s Challenge Group**! Together, we’ll push the limits of our comfort zones and grow as men and as a community.

One dataset. Six daily challenges. A live session Sunday with an AI expert. By the end - a complete salary analysis you built yourself. [🚀 Launching the 1 week Python challenge - don't miss this!](https://baigacademy.ai/1weekchallenge/) Each day you'll get a Python task using a real dataset of 155,000+ data science job salaries from across the world. Here's what you'll learn each day: 📅 Monday: Loading and exploring data with pandas 🔍 Tuesday: Filtering and slicing dataframes 💰 Wednesday: GroupBy and aggregation 📈 Thursday: Trend analysis and line charts 🌍 Friday: Comparisons and bar charts 📊 Saturday: Distributions, percentiles, and your own conclusions 🎙️ Sunday - Live session with AI expert Rahim Baig: full solution + Q&A + career chat By the end you'll have covered the core Python data analysis toolkit - and built something real with it. You will also get a personal salary benchmark for your exact role, level, and region. And a portfolio piece you can reference in job applications and interviews 📁 No slides. No theory. Just real data, real code, real insights. [Join here](https://baigacademy.ai/1weekchallenge/)

You are welcome to join Sunday services at our church location. Feel free to contact us if you have any questions.

Dear Book Enthusiasts, For our March gathering, we’ll be reading *Raised from the Ground* by the Nobel Prize–winning author Jose Saramago. First published in 1980, this powerful novel traces several generations of landless peasants in rural Portugal, giving voice to lives shaped by poverty, repression, endurance, and quiet resistance. With his distinctive narrative style and moral clarity, Saramago explores labor, injustice, solidarity, and dignity, transforming collective struggle into unforgettable literature. 📅 **Date & Time:** 15.03.2026 at 15:00 📍 **Location:** Audrey coffee, Holzendorffstraße 18, 14057 Berlin 💬 **Fee:** As always, a 3 € contribution after the meeting helps cover organization costs I’m very much looking forward to discussing this moving and politically charged novel with you — and to sharing another thoughtful afternoon together. Warmly, Sofya P.S. kind thanks to Raimundo for a great present :)

Hello fellow writers, This is our Sunday meet-up at café Peppe. Come along, grab a coffee, shut up, and write! There will be two sessions of writing, each lasting 45 minutes, and two breaks. \- The first writing session will start at 10:45 am\. \- Second session will start at 11:45 am\. PS: We have limited space of 18 peoples. Please sign up accordingly. See you all on Sunday.

**What you'll get in this session:** In 90 minutes, you'll watch a complete Python data analysis get built live - from a blank notebook to a finished salary benchmark report. You'll see exactly how a working data professional thinks through a real problem, step by step. This is the live finale of the 1-Week Data Science Salary Challenge, but you don't need to have done the challenge to get value from this session. *** **AGENDA:** 🔍 **Full end-to-end walkthrough** \- loading data\, filtering\, GroupBy\, visualisations\, and percentile analysis\, all built live in Python using a real dataset of 155\,000\+ data science job salaries **💰 Salary insights** \- what different roles\, experience levels\, and countries actually pay in today's market **🎯 Career Q&A** \- ask Rahim anything about breaking into data science\, what skills actually get you hired\, and where AI is changing the field *** **Who is this for:** * Aspiring data analysts and data scientists * Professionals looking to move into data or AI roles * Anyone who has started learning Python but wants to see it applied to something real No experience required to attend. You'll be able to follow along regardless of where you are in your Python journey. *** **About the host:** Rahim Baig is an AI and data science practitioner with extensive real-world experience across industries. He teaches Python for data science the way it's actually used - practical, tool-assisted, and focused on what matters for real roles.

AKRO YOGA Jeden 2. Sonntag: Kurs Jeden 1., 3., und 4. Sonntag: Open Jam 15 bis 18Uhr \*KURS\* Partner-Akrobatik im Offenen Wohnzimmer - Open Level Class Der Kurs richtet sich an alle, die noch nie Partnerakrobatik ausprobiert haben, aber motiviert und interessiert sind. Aber auch für Menschen, die schon Erfahrungen mitbringen, wird etwas dabei sein. Wir praktizieren L-Basing (bei der eine Person auf der Erde liegt und eine andere Person auf den Füßen oder Armen balanciert). Wir werden uns jede Woche mit einem neuen Flow beschäftigen, wobei unser Fokus vor allem auf sauberer Technik und Sicherheit liegt. Du kannst gerne alleine kommen, wir werden im Kurs Partner\*innen zum Ausprobieren der Flows finden. Du brauchst: Bequeme, eng anliegende Kleidung, etwas zu trinken. Matten sind vor Ort. \*OPEN JAM\* Partner-Akrobatik im Offenen Wohnzimmer - Offene Jam Du möchtest deine neu gelernten Flows und Figuren aus der Partnerakrobatik mit anderen Menschen ausprobieren? Dann bist du hier genau richtig. Wir wollen gemeinsam einen Raum schaffen, in dem wir gemeinsam an unseren Flows arbeiten und kreativ experimentieren können. Nach einem gemeinsamen Warm Up wird frei ausprobiert, um am Ende bei einem gemeinsamen Cool Down wieder zusammen zu kommen. Du kannst gerne alleine kommen, es wird genug potentielle Partner\*innen vor Ort geben. Du brauchst: Bequeme, eng anliegende Kleidung, etwas zu trinken. Matten sind vor Ort. \*\*\*\* Anmeldung erforderlich : melde dich bitte an unter [akro@filua.de](mailto:akro@filua.de)

Hi folks, this is the special meetup group for the weekly Sunday Blood on the Clocktower games in at BRLO Brwhaus in Berlin. We run beginner-friendly and intermediate-level games throughout the afternoon and evening. **Friendly newcomers of all skill levels are welcome, no experience required!** Our group aims to provide a fun and welcoming space to experience this thrilling game of social deception. **We focus on promoting a positive and fun group atmosphere, where players don’t take themselves or the game too seriously, whether they’re heroically winning or spectacularly losing.** Our players follow the code of conduct for the Berlin Board Gamers group and are expected to treat each other with respect and consideration – “killing with grace, and dying with dignity”. We are usually able to offer two simultaneous games on Sundays. If you are marked as "attending" in Meetup and are in your seat at 15:00, your place is guaranteed for as long as you want to stay. All other seats are first come, first served. We always run at least one beginner-friendly game of the basic version of Clocktower ("Trouble Brewing") throughout the afternoon and evening. We also usually have enough players for a second intermediate-level game. If you are already very familiar with Clocktower, consider also joining our Tuesday meetup for advanced players, when we play with complex custom scripts and characters. Blood on the Clocktower is a deep, mechanical game of murder and mystery, lies and logic, deduction and deception… think Werewolf on steroids. Each player receives a unique secret role and plays either for the good team – the uninformed majority, gathering info and working with others to solve the puzzle – or the evil team, the informed minority, scheming to eliminate good players and protect their demon from execution. In our beginner games no prior experience is expected and we will gladly explain the game rules to any newcomers. We play in English so players should be able to understand and express themselves in English: an exception is possible for one pair of players willing to play together (as a “Revolutionary” pair) where one player can interpret into and out of English. Please let us know in advance if this is the case.

siehe Gruppenbeschreibung.

Join the CONNECTED Westerville Mastermind Group for a dynamic afternoon of B2B networking! This event is perfect for professionals looking to expand their business connections, share insights, and foster collaboration within the community. Whether you are a seasoned entrepreneur or just starting out, this event offers a valuable opportunity to exchange ideas, build relationships, and grow your network in a supportive environment. Connect with like-minded individuals, explore potential partnerships, and discover new opportunities for professional growth. Don't miss out on this chance to enhance your business network and take your career to the next level with CONNECTED Westerville Mastermind Group! We meet the 4th Monday of every month from 11am-1pm. Welcome and general networking from 11am - 11:30am with core meeting 11;30 - 12:30 and a final round of networking from 12:30 - 1pm.

Discover Kiro, AWS’s innovative development environment that adapts to your workflow. Whether you prefer specification-driven development or a more intuitive, vibe-based approach, Kiro empowers you to build applications your way. In this session, speakers will explore Kiro’s core functionality and its evolution through re:Invent 2025, along with demonstrations of prompts used to create APIs, hooks, and steering documents. In the latter part of the session, watch as we build a complete example from scratch, showcasing Kiro’s agentic AI workflow in action for spec-driven development and vibe coding. What You'll Learn - Core Kiro concepts and development philosophy Feature evolution: pre and post re:Invent 2025 Practical examples: API creation, hooks, and steering docs Live coding demonstration with real-time problem solving Who Should Attend - Developers, solutions architects, and technical leaders interested in modern AWS development tools and AI-assisted coding workflows. **Speakers Bio:** Matthew Jorat: Matthew Jorat is a Customer Solutions Manager at AWS with nearly three decades of expertise in AI, cloud transformation, migration, modernization, IT, technology, and business. His career spans infrastructure engineer, solutions architect, security auditor, customer success director, support and services director, and operations officer. He was an early adopter of AWS services as a customer, and his current role at AWS uniquely blends his technical and business skills as he partners with executive teams to translate strategic priorities into measurable business outcomes through cloud adoption, AI implementation, and operational excellence. Matt leads end-to-end AI initiatives for enterprise customers, identifying high-impact use cases and maintaining relentless focus on measurable ROI. He holds eight AWS certifications and serves as Adjunct Professor at Franklin University teaching cloud computing and AWS architecture. His expertise encompasses GenAI, agentic AI systems, migration, modernization, and optimization strategies that drive transformation at scale. [https://www.linkedin.com/in/mattjorat/](https://www.linkedin.com/in/mattjorat/) Girish Bhatia: Girish Bhatia is a seasoned technology delivery leader with deep expertise in cross-domain program management. He holds multiple AWS certifications, including AWS Certified Solutions Architect – Associate, AWS Certified Developer – Associate, and AWS Generative AI Practitioner, and is also an AWS Community Builder. Girish brings over two decades of experience in the information technology industry. Throughout his career, Girish has led major technology-driven business transformation from modernizing on-premises applications to driving large-scale cloud migrations. His work includes API-based integration platforms, data-center and mainframe modernization, and enterprise cloud adoption initiatives. Based in Columbus, Ohio, Girish works at a tech-forward fintech company. He is passionate about AWS serverless architectures, Generative AI and emerging cloud technologies. An avid learner and builder, he continues to explore and apply the latest innovations in AWS to help organizations accelerate their digital transformation. https://www.linkedin.com/in/girishbhatia/[https://www.linkedin.com/in/girishbhatia/](https://www.linkedin.com/in/girishbhatia/) **THANK YOU** *Franklin University* for hosting our meetup! To learn more about *Franklin University*, please visit their website: https://www.franklin.edu/ **DIRECTIONS** Franklin University Fisher Hall 300 E. Main St, Columbus, OH 43215 Map: https://maps.app.goo.gl/jxjBA2hUmS5qrvhq8 Parking is FREE! Please park in Lot C in front of Fisher Hall. See attached map. NOTE: Map the address only. When mapping with Google Maps it may use the Fisher Hall at OSU, which is NOT correct. **Want to sponsor the pizza and/or bar tab?** Please contact me if you would like to sponsor this meetup's pizza and/or bar tab: angelo@mandato.com

**\*\*\* We've Moved! Bold Penguin - 6555 Longshore St, Dublin, OH 43017 \*\*\*** Jonathan Stevens **Polymorphic Association - The Good, the Bad and the Ugly** When Active Record works, it’s great. Polymorphic associations in Active Record promise elegant flexibility: one interface, many possible models. When they work, they feel almost magical. But when your application grows and real‑world complexity sets in, that magic can quickly turn into confusion, broken queries, and performance headaches. We’ll explore where polymorphic associations shine, where they silently introduce technical debt, and why even experienced Rails developers can end up wrestling with unscoped queries, tricky joins, and hard‑to‑optimize relationships. We’ll walk through real examples of tangled polymorphic logic—and more importantly, show practical strategies to refactor, untangle, or even avoid these pitfalls entirely. By the end, you’ll know when to reach for polymorphism, when to run away from it, and what to do when your complex query simply refuses to cooperate. **AGENDA:** * See updates to parking below * Doors open at 5:30, feel free to come and hang out before! * Official start of the meeting is at 6:30pm * After the meeting is done, we will go hang out at a nearby space in Bridge Park! If you can, please sign up via meetup by noon the day of the meeting so we can have an estimate headcount for food :) We always order extra, so feel free to join us even if you don't get signed up! Thank you to Bold Penguin for providing the food and location! **Parking & Arrival:** **Parking:** Parking in Bridge Park is free. The closest lots are the Mooney Garage and the Hotel/Endres Garage. **Entry:** The doors to the office are to the right of PINS. The street level door and elevators lock at 6pm. If you arrive after that, someone should be there to let you in, else call the number posted. Take the elevator to the 2nd floor. Once you exit the elevator, turn right. \*\*\* We are a bunch of professionals, students, and geeks who are excited about Ruby programming language ([http://ruby-lang.org/](http://ruby-lang.org/)) and Rails framework ([http://rubyonrails.com/](http://rubyonrails.com/)) and the joy they have brought back to web development. Our main goal is to share the love of the Ruby and Rails ecosystems with anyone that is interested. We cater to everyone, whether a non-programmer through advanced Rubyists. * We give lectures on programming topics * We freely provide decades worth of experience * For full details of this month's meeting please visit [http://columbusrb.com](http://columbusrb.com)

Builders, creators, architects, admins, consultants - come one, come all. This one's for you. We're bringing a little friendly competition to the Columbus ServiceNow community while highlighting the cool things people have built on the platform. Five presenters will take the stage to showcase something they've built, solved, designed, or imagined on the ServiceNow platform - and a panel of judges (plus YOU, our amazing audience) will score them live. So basically, America's Got Talent but make it ServiceNow's Got Talent. Bring a notepad if you'd like 'cause you'll definitely be learning something new. Each presenter gets 10 minutes max to wow the crowd with: • A demo • A real-world business solution • A bold idea • A UX transformation • Or a creative use of the platform Judging Criteria: 🏆 Business Value 🚀 Innovation ✨ User Experience This event is about celebrating ideas, sharing knowledge, and showing how ServiceNow can drive both business impact and meaningful user value. Come learn. Come support. Come get inspired. Refreshments and bites will be provided. And maybe next time… you’ll be on stage.

Want to be a speaker? submit your talk to our Call for Presenters!!! https://sessionize.com/cbus-hug-2026/

**Web Design Decoded: Tools, Practices, and Proven Processes:** **Semantic HTML** At WebDev Columbus, we are exploring some of the most important topics of professional high-end web design and page building. Primarily focused on site building in the WordPress environment, our group explores tools, tips, and techniques for building the best WordPress sites possible. Additionally, we focus on disciplines and technologies that take website design from visually appealing to optimized spaces for delivering you and/or your client's message effectively and with a nod towards extended reach. Each session combines practical demonstrations with real-world insights, giving you actionable knowledge you can apply immediately. Whether you're a seasoned developer looking to enhance your design skills or a newcomer wanting to understand design best practices, this series offers valuable insights for every skill level. **What to expect:** * Hands-on demonstrations of popular design tools * Best practices for design-to-development workflows * Tips for creating responsive, accessible designs * Real-world problem-solving scenarios * Interactive Q&A sessions * Networking opportunities with fellow developers **Each meetup features:** 60 minutes of focused presentation 30 minutes of live demonstrations 30 minutes for questions and discussion **See you there!** Our casual, collaborative environment encourages learning from both presenters and fellow attendees. Bring your questions, share your experiences, and connect with Central Ohio's web development community! **Stay tuned for specific session topics and dates.**

Come chat about Atlassian tools and best practices at the Nationwide Sunny Street Cafe and Breakfast is on Atlassian! Let's get the day started off with breakfast with your ACE Leaders! We're always excited to talk about Atlassian Products, share our knowledge and hand out swag! Come chat with us about new product news and anything you are working on within the Atlassian product stack. This is a great opportunity to come see what we are all about, hear new business news and share with other Atlassian users your questions and experiences. We'd love to see new and old friends come out to chat and learn about Atlassian! Agenda --- Moderators Kimberly Deal - Columbus Atlassian User Group Leader Kevin Stanley - Columbus Atlassian User Group Leader Hosted By Kimberly Deal, Atlassian User Group Leader Kevin Stanley, Chief Everything Greg Sprowls, Agility Lead --- Global Partner Atlassian (http://atlassian.com) Millions of users globally rely on Atlassian products every day for improving software development, project management, collaboration, and code quality. Partner Atlassian --- For over a decade, Atlassian customers have come together to network, share ideas, solve problems, and find new ways to use Atlassian products. Today, more than 15,000 people take part in Atlassian community events in more than 30 countries. --- Complete your event RSVP here: https://ace.atlassian.com/events/details/atlassian-columbus-presents-rise-and-shine-with-atlassian-downtownnationwide-22/.