C#

Meeting @ Improving's office in Downtown Columbus, near Cosi. Parking is paid, food & drink are free! This time we're hanging out after the long winter break. We are going to look at a group-member's project used to help learn the fundamentals of Go, and if time allows, we can take a look at how we like to build Go projects using AI.

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! Winter Note: If the weather is bad and I have to cancel the Meetup, i will issue the cancellation not later than 3 p.m. of that day.

This meeting will be an open discussion of adjusting to vision loss guided by participant interests. Target audience for this group is persons who are visually impaired, especially those who have experienced recent loss, however, all are welcome, including family members and supports. Light refreshments will be served. You can also join the meeting by Conference Call at (518) 263-8851.

(Note: RSVPing here on meetup does NOT reserve your seat. To do that, you’ll need to register at our website, **[HERE](https://www.coreerocks.com/Events.aspx?ID=Columbus-in-person-chapter-meeting-Your-2026-Buy-Box-Successful-Rentals-101-14-3-3-2026)**.) Let’s be honest. In 2026, you can’t use 2023 strategies and “hope” a deal works out. Demand for rentals, wholesale deals, retail deals, and even loans has changed, and that means that the most active, experienced investors have changed the way they do deals (and maybe even the kinds of deals they’ll do). Here at COREE, our job is to shortcut your learning curve by introducing you to the people and concepts you need to take the shortest path from here to financial freedom, and we think you’ll agree that this meeting is a no-brainer, if you’re serious about making wealth-building deals this year. Here’s the detailed agenda: From 6:00–7:00 p.m., From 7:30–9:00 p.m., Agenda: 5:00–6:00 p.m. Complimentary Light Dinner & Networking 6:00–7:00 p.m\*\*. New Investor Meeting: Basics of Making Money in Rentals with Vena Jones-Cox\*\*. If you’re planning to buy rentals today, you have to know how to evaluate the REAL income and expenses before you make an offer. If you’re new, you’ll finally understand how rentals really produce profit. If you’ve been around a while, you’ll see how today’s numbers change the math. 7:00 –7:30 **Buy-Sell-Trade (Members Only)** Bring your deals, money, buyer lists, referrals, and requests. Fast-moving. Bring flyers or business cards. Guests get a quick orientation with Executive Director Vena Jones-Cox. 7:30–9:00 p.m. **Main Meeting: Your 2026 Buy Box: What Experienced Investors are Buying in 2026 (and what they won’t touch).** Our panel of active, experienced investors will lay out their 2026 buy boxes. Not hypotheticals. Not “in theory.” What they are actually buying—and what they won’t touch. They’ll share: * What property types investors are actively pursuing * What strategies they’ve stopped using * The exact numbers they require before they say yes * How insurance, taxes, and rates have tightened the buy box * What instantly disqualifies a deal in today’s market * How to define your own 2026 buy box based on capital and risk tolerance Members and non-members at any level of knowledge and experience are welcome—as long as you’re serious about real estate, value experience-based, no B.S. education, and want to give as much as you get. Remember, to actually reserve your seat, you have to go **[HERE](https://www.coreerocks.com/Events.aspx?ID=Columbus-in-person-chapter-meeting-Your-2026-Buy-Box-Successful-Rentals-101-14-3-3-2026)** and register on our website!

The March Ohio North Database Training user group meeting will be held on **March 3rd, 2026 at 5:00PM**. This will be a **HYBRID** event and we will be joined in person by **Sam Nasr**. You're welcome to come meet in-person at our meeting location, the offices of Improving at **[6000 Freedom Square Dr,](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** **[Unit 110,](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** **[Independence, OH 44131](https://www.google.com/maps/place/Improving/@41.4004167,-81.6614462,17z/data=!3m2!4b1!5s0x8830e5b8255c5919:0xd8297060eb68fe04!4m6!3m5!1s0x8830dc7a0fe35dc9:0xbfc4710ecadfc5c!8m2!3d41.4004127!4d-81.6588713!16s%2Fg%2F1hm3hkqp3?entry=ttu&g_ep=EgoyMDI1MDQzMC4xIKXMDSoASAFQAw%3D%3D)** [Teams Link ](https://teams.microsoft.com/l/meetup-join/19%3ameeting_YTg3MTY3NzItODI3OS00MTRjLTgzYTItYTBlMjY5NTQ5MzU4%40thread.v2/0?context=%7b%22Tid%22%3a%22b966f302-6b93-4686-9041-c084635642c5%22%2c%22Oid%22%3a%2278c760cb-657f-46aa-bd2f-7066d9403bdb%22%7d)if anyone needs it after RSVP-ing for in person. If you would like to subscribe to our email list outside of Meetup, we have changed platforms recently and you will need to register [here in Kit ](https://ohio-north-data-training.kit.com/b8f036f615)instead to receive emails. Agenda: **5:00 PM EST**: Online and in-person meeting begins with a social hour. This is an unstructured hour where you can join us to catch up and meet other group members before the session starts. There will be food brought in for in-person attendees. **6:00 PM EST**: Updates and announcements, followed by our feature presentation. See below for presentation details. **7:30 PM EST**: Optionally after the main presentations, the in-person crowd may go out for snacks and drinks at a local establishment. We hope to see you there! Session Abstract ### **Data Cleansing using Data Bricks** Machine Learning is highly dependent on adequate data. Not only does quantity matter, but more importantly quality. In this session we’ll cover how to build a custom automated process using Data Bricks. This will provide methods for cleaning data in a data lake using functions in Azure. \*Please note, that we will be using Microsoft Teams for the online portion of this meeting. You may want to join a few minutes early to ensure you do not have any issues. If you are attending in person, there are large TVs at the office, and you do not need to bring a laptop or use Teams.

This is just a fun group to socialize, get out of the house, and meet new people.

**New Dojo Location!** **Draft Day Columbus** 1130 Dublin Road Columbus, OH 43215 We're going to try a new dojo location for a few weeks and see how it works Dojos are informal Python group study sessions where everyone interested in Python gathers to learn about Python, help others with Python, or just hang out. Everyone is welcome from Python beginners to experts. Bringing a laptop is encouraged (we'll have extension cords and power strips). If there's something you want to learn leave a comment on this invite so we can plan ahead. We're looking for topic suggestions and people interested in presenting at our monthly meetings. To this end we've set up a survey form at [https://docs.google.com/forms/d/15eBKF1nQQ2XS5gzD4rvhVRHMBEj7lJtHuA9wXupS3Uc](https://docs.google.com/forms/d/15eBKF1nQQ2XS5gzD4rvhVRHMBEj7lJtHuA9wXupS3Uc)

Join membersrs of the Central Ohio UX and digital design community for a casual monthly breakfast.

Inspired by our successful events like "Saturday Mornings @ East Market" and other "Pot Luck in the Park" lunches, this gathering promises to be a blend of fun conversations, language exchange, and cultural insights, all while sharing wonderful foods with each other. Please bring a dish to share and anything you would like to drink. We will provide plates, plastic silverware and napkins. So, come hungry and ready to chat!

Christians in Tech is a community at the intersection of faith and technology. Our meetups are designed to spark meaningful conversations, promote knowledge sharing, and encourage growth—both in your career and your spiritual walk with God. Whether you're an experienced professional or just starting your tech journey, CIT welcomes you. Our Website [https://linktr.ee/citcbus](https://linktr.ee/citcbus) Sponsors and Partners * Improving (Venue Sponsor) * Bethel World Prayer Center (Fiscal Sponsor) * Fruits & Roots (Coffee Partner)

🎉 **CSC First Fridays at Smash Park – Westerville!** 🎉 Join the **Columbus Ski Club (CSC)** for our March First Friday at **Smash Park Westerville**! Whether you're a longtime member or brand new to CSC, this is the perfect night to mix, mingle, and have some fun. 🗓 **Friday, March 6, 2026** ⏰ **New Time: 6:00 PM – 9:00 PM** 📍 **Smash Park** 495 Polaris Pkwy, Westerville, OH 43082 (Just east of Cleveland Ave off Polaris Pkwy) Get ready to **play, drink, and eat** with fellow CSC members and friends. Smash Park offers tons of activities, including: * Pickleball * Axe Throwing * Duckpin Bowling * Cyber Shuffle * Karaoke Suites * Outdoor Shuffleboard * Bocce Ball * Party Darts * Cornhole Come out and enjoy a lively evening filled with games, great food, and even better company. 🍻🎯 All are welcome — members and non-members alike! Bring a friend, bring your competitive spirit, or just bring yourself. We can’t wait to see you there!

**Caller: Frank Buschelmann** **Band: The Rosenthorns** **Big Scioty Contra Dance** **temporarily returning to our long ago location for Jan-March - First Congregational Church, 444 E. Broad St., Columbus 43215** WHAT IS CONTRA DANCING? Picture the Grand Ball scenes like you’ve seen in period films such as “Pride and Prejudice”, where the dancers are lined up in long lines, across from each other. That’s English Country Dancing, the predecessor of contra dancing. Now, add moves like “swing your partner” and “do-si-do,” like you’ve seen in square dancing. Set it to fabulous, high energy, live music with fiddles, guitars, percussion and more, alá “Riverdance.” Finally, set the whole scene down in the middle of Woodstock, with a hip, groovy atmosphere, a bit of tie-dye, and hints of counter-culture attitude. THAT’s Contra Dancing! Wear cool and comfortable clothes (you will get warm) and clean shoes that won't mark up our nice wood floor. Be sure to come for the beginner's lesson from 7:30 - 8:00, followed by dancing 8:00 - 10:30. All dances are taught; we will help you learn! Beginners always welcome, no need to bring a partner. Cost is $10.00 adults, $5.00 ages 12-26. Under 12 free. Free parking in church lot. For more information contact me or check out our website: [www.bigscioty.com](http://www.bigscioty.com/) Please bring your own refillable water bottle. Snacks to share are always welcome!

✨ **Pickleball Beginner Clinic** **(TUES MAR 3, 7-9)** **YOU MUST SIGN UP AND PAY PRIOR TO TUESDAYS CLINIC WITH LINK BELOW:** [Pickleball 2026 - Calendar - Columbus Ski Club](https://www.columbusskiclub.org/content.aspx?page_id=4002&club_id=686961&item_id=2887671&actr=3) No equipment required (bring your own paddle if you prefer). Partners rotate weekly, and skill levels are assigned by the facility—no experience needed! Come out, improve your game, and meet great people. All skill levels welcome!

Window functions have nothing to do with the Windows operating system but provide a “window” to a result set when used in SQL queries. They are powerful, set-based methods to view data in unexpected ways. Window functions provide easy, set-based solutions to solve some common problems: * Using running totals * Performing operations in intervals * Identifying data gaps and islands * Performing aggregates without losing detail Many people are confused by window functions and do not know how to use them properly. This session will explore window functions, how they work, and how to use them. Demonstrations with several examples will solidify how window functions can simplify queries and make them more powerful.

On Thursday, March 12, 2026, we will meet at the TEKSystems offices at 700 N Hurstbourne Pkwy. Doors will open at 6:00 p.m., and the presentations will begin sharply at 6:30 p.m. Along with an excellent presentation, TEKsystems will provide food. Please RSVP so we know how much food to order. Afterward, we will go to Brick House Tavern for drinks and food to continue the conversation. The session will also be broadcast at https://twitch.tv/TaleLearnCode. ### Much Ado About Nullable - C# Nullable Reference Types Explained In 2019 (C# 8.0) Microsoft introduced a feature that has generated a lot of confusion, debate and outright dissent. I'm talking about Nullable Reference Types. In this presentation, I we dig into this feature, explore why it exists, what problem it tries to solve, how it works, and how people have critiqued it, so that you as a programmer can decide if and how you want to use it.

Come out to Improving for our monthly iOS and Mac meetings. This Month's Presentation: Nothing yet. (You should volunteer). 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/

We will show a variety of methods for building agents that run in Microsoft Foundry. This covers the different types of agents: Prompt, Multi, and Hosted, as well as the development lifecycle using evals and traces.

Columbus Code & Coffee is an inclusive, informal co-working session. People of all skill levels attend, and we love it that way. Many people (optionally) bring projects to work on, and many other people (optionally) socialize the entire time. It's entirely up to you! **What to Expect at the Intro Circle** \~\~\~\~\~\~\~\~\~\~\~\~\~ Near the beginning of the event (1:30 pm), we do a standup: * Organizer announcements, updates, and logistics Round 1 - (7 secs max): * Your name * What you're working on * What you can help others with Round 2: * Community events you wanna plug. If none, that's cool too. Round 3: * Job opportunities you're hiring for OR announce that you are looking for one. If none, that's cool. After the introduction circle, everything is self-organized! Feel free to work alone, pair up, attend one of our workshops/presentations, or mingle!

Our monthly PHP meetup. A virtual shindig courtesy of Zoom. Check back here for the details around 6:15 pm

This is a relaxed, community-driven Unity GameDev meetup. There’s no strict agenda this time — just developers getting together to talk shop, share projects, and exchange ideas. **Some topics that may come up (based on attendee interest):** • Frame Debugger & performance tooling • Addressables & additive scene workflows • Input System, localization, responsive UI • AI integration approaches • DevOps & LiveOps experiences • Full lifecycle: idea → cross-platform publishing • Favorite Asset Store tools and hidden gems • Weird Unity quirks we’ve all run into *Nothing is locked in.* Bring a project if you’d like. Bring a question. Bring a lesson learned. Or just come hang out and meet other developers. All skill levels welcome!