Apps

DC iOS returns to the Capital One campus for our first meetup of 2026! Come and meet with fellow Apple developers in the DC Area, enjoy some food, networking, and a great tech talk! PLEASE INDICATE IF YOU WILL BE ATTENDING IN PERSON OR OVER ZOOM. **Agenda:** • 5:40 PM - Doors Open (in-person attendees). **Don't forget your ID!** • 6:10 PM - Welcome (in-person and Zoom attendees) • 6:15 PM - **Talk: *SwiftUI Internals + Performance*** • 7:05 PM - Community Announcements & Networking • 8:00 PM - Doors close **Talk Description:** **SwiftUI Internals + Performance** Will Downey A fast-paced breakdown of how SwiftUI works. Aimed at helping build a conceptual understanding of SwiftUI whether you're experienced with the SwiftUI or still hanging on to UIKit. Bonus section on optimizing SwiftUI performance and profiling if time permits. Zoom Link: [https://us06web.zoom.us/j/89091509354?pwd=7y7ghL5i9iSA9rgbpQCdrBiWy5QX7c.1](https://us06web.zoom.us/j/89091509354?pwd=7y7ghL5i9iSA9rgbpQCdrBiWy5QX7c.1) **Location:** Capital One, C2 Building 1680 Capital One Drive, Mclean VA, 22102 100A Visitor parking is either in the garage attached to 1680 Capital One Drive, or the open lot next to 1600 Capital One Drive. After that you will walk over to the main entrance of 1680 Capital One drive, and then walk around the right to the corner to room 100A For the metro, take the Silver Line to the McLean metro stop, then walk into main campus (about a 5 minute walk). From there, walk to the main entrance of 1680 and then go to room 100A **What you need to bring:** ID **When to arrive:** Doors open at 5:50pm ET Event will start at 6:10 pm ET **Will food and drinks be provided?** Yep! **Will there be rapid testing provided?** No **Will masks be required?** No

**[Bitcoin District](https://bitcoindistrict.org/)** is a community of Bitcoiners living & working in the greater DMV metro area. Join us for an after-work happy hour at [WHINO](https://www.whinova.com/) where we'll talk about what's happening in the world of Bitcoin. We highly encourage anyone new to Bitcoin or just a little curious to come and ask questions... don't be shy! 🚗 Daily, 24-hour parking at Ballston Public Parking Garage at 627 N. Glebe Rd ($1 after 6 pm for the whole night). There is also street parking along Wilson Blvd. 🚆 METRO: From Ballston-MU Metro, walk south on N Stuart St one block. **Our events are Bitcoin-focused, and we avoid discussing other cryptocurrencies & tokens. Nothing discussed during this meetup is financial advice. Always do your own research.**

We’re excited to bring the community together for an evening of learning and connection. This time, we'll have a community member sharing a use case and, as usual, an Elastic employee sharing their expertise as well. Come support your fellow developers, learn something new, and meet others who are passionate about search, observability, and security. **Date and Time:** Tuesday, February, 10th from 5:30-7:30 pm EDT **Location:** Elastic Arlington Office - 4100 Fairfax Drive, Ste 500, Arlington, VA 22203 **Agenda:** * 5:30 pm: Doors open; say hi, grab a seat, and eat some food. * 6:00 pm: "Streaming Context: Powering Semantic Search with Kafka and Elasticsearch", by Sandon Jacobs, Developer Advocate at Confluent * 6:30 pm: Q&A * 6:40 pm: "Agent Builder: Providing Relevant Context for Data Driven Agents", by Joe Gentsch, Senior Solutions Architect at Elastic * 7:10 pm: Q&A * 7:20-7:30 pm: Networking & refreshments **Talk Abstracts:** **"Streaming Context: Powering Semantic Search with Kafka and Elasticsearch"** As the de facto platform for event streaming, we’ve seen how data from Apache Kafka can easily empower basic keyword search. But let's be real, modern semantic search applications need *context* to interpret the real meaning and intent of a user's query. We could wait around for the next batch job to kick off and provide that context... *or* we could serve it up in near real-time right from our data streams. In this talk, we'll discuss how to leverage data streams from Kafka to power much smarter semantic search with Elasticsearch. We’ll follow a simple event from a Kafka topic and see how it transforms into a powerful vector embedding. Then, we’ll see this whole flow in action using a k-Nearest Neighbor search to instantly find similar items in milliseconds. While my code examples will be in Java or Kotlin using the Spring Boot and Spring AI ecosystem, FEAR NOT! The core concepts—getting data into a vector format via a stream—are totally language agnostic. Join us to grab a few practical ideas you can take and use in your next project! **"Agent Builder: Providing Relevant Context for Data Driven Agents"** What are agents? What is context engineering? Join us as we dive into the importance of context engineering for providing relevant information to agents, and how to build grounded agents using Elastic Agent Builder. **Parking:** * The building’s parking garage is operated by Colonial Parking and is located off N. Randolph Street * Book a spot on[ SpotHero](https://spothero.com/search?kind=address&latitude=38.8818514&longitude=-77.1095268&search_string=4100+Fairfax+Dr+%23500%2C+Arlington%2C+VA+22203%2C+USA) * A Metro Station is located across the street

We all sing. In the car, in the shower, at the pub. But many of us are unsure about our ability to sing in front of other people. The Arlingtones Barbershop Chorus wants to help you get the most beautiful sound possible from your voice with the confidence to perform. We love to sing – that’s why we do it and have for over 60 years. Join us for a Tuesday evening and we'll show you what Barbershop Music is all about. No experience or materials necessary.

We’re excited to continue building AI in Practice with our monthly social! 🎉 Each month, we’ll host an informal happy hour and dinner at Upside on Moore in Rosslyn. Come join fellow AI builders, professionals, and curious minds for a relaxed evening of conversation, connection, and community. Whether you’re working on AI systems, advising on responsible adoption, or just interested in how AI is shaping law, compliance, finance, healthcare, defense, software, mission-driven organizations, or public service — this is a chance to meet like-minded people and help shape what this community becomes. 🍸 Drinks and food are available for purchase at the venue. 🤝 No formal agenda — just introductions, networking, and sharing what excites us about AI in practice. We’re so grateful for the early enthusiasm, and we look forward to seeing you each month as this community grows! **Date, Time & Location** 5:30 PM – 7:30 PM Thursday 23 October 2025 Upside on Moore 1831 Moore Street Arlington, VA 22209

IMPORTANT PLEASE RSVP @ https://www.meetup.com/washington-dc-elastic-fantastics/events/312487028/?eventOrigin=group_upcoming_events \*\*\* **Date and Time:** Tuesday, February, 10th from 5:30-7:30 pm EDT **Location:** Elastic Arlington Office - 4100 Fairfax Drive, Ste 500, Arlington, VA 22203 **Agenda:** * 5:30 pm: Doors open; say hi, grab a seat, and eat some food. * 6:00 pm: "Streaming Context: Powering Semantic Search with Kafka and Elasticsearch", by Sandon Jacobs, Developer Advocate at Confluent * 6:30 pm: Q&A * 6:40 pm: "Agent Builder: Providing Relevant Context for Data Driven Agents", by Joe Gentsch, Senior Solutions Architect at Elastic * 7:10 pm: Q&A * 7:20-7:30 pm: Networking & refreshments **Talk Abstracts:** **"Streaming Context: Powering Semantic Search with Kafka and Elasticsearch"** As the de facto platform for event streaming, we’ve seen how data from Apache Kafka can easily empower basic keyword search. But let's be real, modern semantic search applications need *context* to interpret the real meaning and intent of a user's query. We could wait around for the next batch job to kick off and provide that context... *or* we could serve it up in near real-time right from our data streams. In this talk, we'll discuss how to leverage data streams from Kafka to power much smarter semantic search with Elasticsearch. We’ll follow a simple event from a Kafka topic and see how it transforms into a powerful vector embedding. Then, we’ll see this whole flow in action using a k-Nearest Neighbor search to instantly find similar items in milliseconds. While my code examples will be in Java or Kotlin using the Spring Boot and Spring AI ecosystem, FEAR NOT! The core concepts—getting data into a vector format via a stream—are totally language agnostic. Join us to grab a few practical ideas you can take and use in your next project! **"Agent Builder: Providing Relevant Context for Data Driven Agents"** What are agents? What is context engineering? Join us as we dive into the importance of context engineering for providing relevant information to agents, and how to build grounded agents using Elastic Agent Builder. **Parking:** * The building’s parking garage is operated by Colonial Parking and is located off N. Randolph Street * Book a spot on[ SpotHero](https://spothero.com/search?kind=address&latitude=38.8818514&longitude=-77.1095268&search_string=4100+Fairfax+Dr+%23500%2C+Arlington%2C+VA+22203%2C+USA) * A Metro Station is located across the street

🎶 Live Music Night at Divino – Every Tuesday 🎷 Experience Live Music in the cozy ambiance of Divino! Join us at 6:00 PM for an unforgettable evening filled with great tunes, exquisite Northern Italian cuisine, and your favorite wine and cocktails. Whether you’re unwinding after a long day or celebrating a special night out, our Live Music will hit all the right notes. Reserve your table now and let the music move you! 📍 Located in the heart of Glover Park inside the Glover Park Hotel 2505 Wisconsi Ave NW ✨ FREE PARKING (ask our host for code to access parking garage)

Hello everyone, we are excited host our first meetup of 2026! We'll have an amazing speaker presenting on a great topic. Hope to see everyone there! **Schedule** 5:00 pm - 5:30 pm - Sign-in/Meet and greet/networking 5:30 pm - 6:30 pm - AutoMobile 6:30 pm - 7:00 pm - Networking **Talk and Speaker Details** **Time:** 5:30 p.m. EST. **Title:** AutoMobile **Summary:** What if you could tell an AI agent "explore this app and find accessibility issues" and watch it navigate your mobile app autonomously? AutoMobile makes this possible today. AutoMobile is an open-source MCP server that gives AI agents native control over Android and iOS devices using natural language. It combines platform tools (adb, simctl) with custom Kotlin AccessibilityService and Swift XCTestService to enable AI-driven mobile workflows that are 10x faster than existing automation frameworks. Live demonstrations include: \- Install & run from scratch \- AI agent running UX deep dive\, reproducing bugs \- Accessibility & performance audits \- What running tests looks like \- Prototype IDE integration **Speaker:** Jason Pearson **Speaker Bio:** Jason Pearson spent the last 15 years building great UX across Android, iOS, Mac, Web, Backend, and Windows. Now he's applying all of that to AI tools while working at Slack in DevXP. **How to find us:** 1680 Capital One Drive, McLean, VA 22102 We'll be located in C2 **100 A**. The area is publicly accessible. If you can't find it, you can ask the front desk for directions to the **C2 100 A** **Attending Virtually?** We'll be streaming the event on Zoom [https://us06web.zoom.us/j/85740109015?pwd=1FQJyvaQp2ZgRrj5drb3a2FGVqll7H.1](https://www.google.com/url?q=https://us06web.zoom.us/j/85740109015?pwd%3D1FQJyvaQp2ZgRrj5drb3a2FGVqll7H.1&sa=D&source=calendar&usd=2&usg=AOvVaw1A-o2UNm0I1YVmkJcSCxfx) Meeting ID: 857 4010 9015 Passcode: 437286 **Parking**: You can park at 1680 Capital One Drive; this garage has a sign indicating public parking. Or at the WEGMANS parking lot.

Join us for a fun and laid-back evening at Sports & Social DC! This event is specifically designed for those looking to socialize, make new friends, and enjoy delicious food and drinks in a vibrant atmosphere. Whether you're a foodie looking to indulge in some culinary delights, or simply want to unwind with like-minded individuals, this happy hour mixer is the perfect opportunity to connect and network in a casual setting. 50% select drinks, and a great menu from Upstate FTW! Don't miss out on this chance to expand your social circle and create lasting friendships with the Sports & Social DC group! RSVP Today!

Ready to build something amazing without writing a single line of code? Or want a front-row seat to watch it all come together? Join us for an AI-powered hackathon where you’ll create an app using **Lovable** – the no-code platform that turns plain English prompts into real products. This will be an interactive, high-energy event – not a sit-down lecture. Builders will be hands-on and products will be built! How it works: * We’ll form small AI building groups – no need to come with a team. * Bring a laptop to help your team build by adding features or testing your product. * Each group will collaborate to build an app and share it at the end. * The product brief will be revealed at the start – no prep required! * All Lovable credits are covered – no fees involved. Whether you’re curious about AI tools, eager to experiment, or just want to see how others build fast, this is your chance to experience the future of app creation. Since group spots are limited, please RSVP **only if you’re sure you can commit**. **Agenda:** * **5:00pm - 5:30pm – Arrival / Networking** * **5:30pm - 6:00pm – Hackathon brief** * **6:00pm - 7:00pm – Build time** * **7:00pm - 7:20PM – Networking / Shortlist** * **7:20pm - 7:50pm – Finalist demo, voting and prizes** * **7:50pm - 8:30pm – Wrap-up / Networking** This event will be held at Amazon’s HQ2 in National Landing, Arlington. Please bring a photo ID that matches your registration name to check in with security. There are metro stops (Pentagon City, Crystal City) and parking garages within convenient walking distance. There is also some street parking available in the vicinity.

Cooking with Cupid is a flirty, fun-filled singles cooking experience where participants learn to whip up fresh, heart-healthy meals perfect for a Valentine’s date night. This one-of-a-kind program blends hands-on cooking, light nutrition tips, and playful icebreakers to help guests connect while they chop, stir, and plate romantic, restaurant-quality dishes they can easily recreate at home. With upbeat music, themed décor, and simple but impressive recipes, Cooking with Cupid gives singles a confidence boost in the kitchen and a new menu of “wow” worthy ideas to cook for a current crush, future Valentine, or even a self-care date for one. **Registration Required. Ages 18 & up; FREE** Suitland Community Center **[REGISTER THROUGH PARKS DIRECT](https://mdpgparksweb.myvscloud.com/webtrac/web/search.html?display=detail&FMID=551514831&Module=PST&_csrf_token=gb6T6T6Z0B022B4E1R3M404E5O4G6G6B025U5T5K500E5H4L555J1H6W4Q564Y1B5V4M573W05604F5H4V0M5Q5W5D506Y6V4L6N4V615P4W6E6E6Y60606J6J035J4D59)** For fastest response to any questions, or for more information, please contact Health and Wellness directly via email [wellness@pgparks.com](http://wellness@pgparks.com/)

**\*TO ATTEND GET TICKET AT - [https://www.socialevents123.com/event-details.aspx?id=13268#tix](https://www.socialevents123.com/event-details.aspx?id=13268#tix)** (Multiple Meetup groups are co-organizing so the RSVP's shown are just a very small portion attending. ) This is the ADULT version of our very popular Survey Says game. There is nothing X-rated, but some of the questions would be considered R-rated or involve adult themes. HOW IT WORKS: This completely online event will be LIVE and you will be able to see and hear the other participants while playing. In addition you will get to meet and interact with other participants. At game time, your host will read off several survey questions on a variety of topics. Your goal is to come up with the number one answer to each question and write it down on your paper. Once the round is over (about 6 questions), we will go through the answers and determine who had the highest score for the round. The winners will get a raffle ticket for a chance to win a prize at the end of the event. Prizes will be an Amazon Gift card! HOW DO YOU FIND THE ONLINE EVENT ROOM: Zoom link will be emailed to you DAY OF THE EVENT. RSVPS on here are NOT reflective of actual attendance as this is a multi group event. Prepay required at **[https://www.socialevents123.com/event-details.aspx?id=13268#tix](https://www.socialevents123.com/event-details.aspx?id=13268#tix)** **For more fun events:** **Follow: [https://www.eventbrite.com/o/new-york-city-social-events-10797526283](https://www.eventbrite.com/o/new-york-city-social-events-10797526283)** **Click: [https://dljparty.ticketleap.com/](https://dljparty.ticketleap.com/)**

**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 **Abstract** TBD **YouTube Link** TBA

In this local meeting, you will discover knowledge that you can use to get over the past. The key to improving your personal motivation, self-confidence, and happiness is to get over your painful memories. When you become free of your past, you will be free from stress, anger, anxiety and depression. Studies show that negative emotions can affect your health. By being free of negative emotions, believe it or not, you will most likely even look younger, feel more energetic, and become healthier! Be sure to click on the red "Attend" button below to come to this local event. We look forward to seeing you there. This group is brought to you by the Dianetics and Scientology life improvement center.

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

***THERE ARE BIG SCREENS FOR THE START OF THE WINTER OLYMPICS*** 👍 After being cooped up all week with this snow and cold, it’s a great time to get up out of the house and join us for a fun time at the Pint House!! **Come anytime during 4-8. Stay as long as you want. No set time*** **WE’RE NOW IN A BIGGER AREA!** It’s a chance to meet people in our age group regardless if you’re in your fifties, sixties or seventies! Retired or still working.

Come out to Improving for our monthly iOS and Mac meetings. This Month's Presentation: Bring a lightning talk with you and let's learn some quick things. What is Cocoaheads (http://cocoaheads.org/)? CocoaHeads is a group devoted to discussion of Apple Computer's Cocoa Framework for programming on MacOS X and iOS (including the iPhone, iPad and Apple Watch). During monthly meetings, members present on their projects and offer tutorials on various programming topics. What is BuckeyeCocoa (http://buckeyecocoa.org/)? BuckeyeCocoa is a group of Objective-C/Swift developers/enthusiasts. We host monthly Cocoaheads and near-weekly NSCoder meetings in Columbus, Ohio. The meetings are free to attend. Presentations! Presenters welcome! We are always in need of people willing to present material. Any Swift and/or Objective-C related topic is welcome. Times can be 5 minutes (i.e. lightning talks) to a maximum of 2 hours. Interested? Contact info is on the BuckeyeCocoa website. To volunteer for a presentation contact us at @BuckeyeCocoa on Twitter. Follow us on Twitter! @BuckeyeCocoa (https://twitter.com/#!/Buckeyecocoa/) For more information: http://buckeyecocoa.org/

Communication is everything in life! Attend this free lecture about how to be a better communicator. You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio For more information, contact Rhiannon, the Event Host at 614-221-5024

Let’s try MILO this week. Back to our old stomping ground COLUMBUS RECREATION CENTERS require membership fee to play. Register & Pay at the desk when you arrive. $5 day pass is available for first time players. I have some extra pickle ball paddles and balls if you don’t have one. Definitely bring your own paddle if you have one and bring some balls if you have them. Legal Stuff: The event hosts/Organizers are just fellow member volunteers. By participating in any event, you assume all risks of liability and injury inherent in these activities. You are responsible for your own safety and for determining if you are in condition fit to participate. You are also responsible for knowing and abiding by all laws and rules during your participation in any event.
 Photos & or Video: by attending these events you acknowledge photos and or video may be taken and used on this and other platforms.