Law & Technology

Hallo liebe Java User Group Mitglieder! Diesmal haben wir zwei Bonner Kollegen zu Gast: * Martin Stoller: **Backend-Performance in Hochlast-Systemen: Lösungsansätze aus dem Data Engineering** * Andreas Monschau: **Zehn goldene Regeln, um dein Softwareprojekt zuverlässig zu ruinieren** Wir freuen uns euch zu sehen (virtuell oder vor Ort). Dank an [codecentric](https://www.codecentric.de/standorte/nuernberg) für Location, Bier und Pizza! ================= Viele Hochlast-Systeme beginnen als kleine, unscheinbare Prototypen - gebaut mit bewährten Mitteln wie relationalen Datenbanken, objektorientierter Business-Logik und klassischen Request-Response-Architekturen. Doch was passiert, wenn diese Systeme plötzlich nicht mehr Tausende, sondern Millionen von Requests bedienen oder Terabytes an Daten verarbeiten müssen? In der Praxis zeigt sich häufig: Klassische Optimierungen wie Caching, horizontale Skalierung oder effizientere Algorithmen stoßen irgendwann an ihre Grenzen, weil sie innerhalb desselben Paradigmas bleiben. Dieser Vortrag zeigt, warum echte Skalierbarkeit oft ein Umdenken erfordert. Anhand eines durchgehenden Praxisbeispiels wird schrittweise demonstriert, wie sich ein System von einer latenzoptimierten Request-Response-Architektur hin zu einem durchsatzoptimierten, analytischen System entwickelt. Dabei werden zentrale Konzepte aus dem Data Engineering greifbar gemacht - darunter Precomputation, Batch Processing, deklarative Verarbeitung und Denormalisierung - und in den Kontext klassischer Backend-Entwicklung eingeordnet. Die Teilnehmenden lernen, typische Grenzen traditioneller Architekturen zu erkennen und erhalten ein alternatives Denkmodell, um High-Throughput-Systeme gezielt und nachhaltig zu skalieren. ================= Softwareprojekte sind chaotisch, anstrengend und voller Überraschungen. Und ganz ehrlich: So soll es auch bleiben. Ordnung würde ja nur den Spaß verderben. Trotzdem gibt es immer wieder Menschen, die glauben, man könnte Projekte wirklich zu Erfolg führen… unglaublich, oder? Damit dir so etwas nicht passiert, zeige ich dir in diesem Vortrag, wie du ein Softwareprojekt in 10 einfachen Schritten zuverlässig an die Wand fährst. Die „goldenen Anti-Pattern für maximalen Projektschaden“ entstammen jedoch nicht meiner Fantasie, nein, sie werden in der Realität täglich mit beeindruckender Konsequenz praktiziert. Und das Beste: Sie wirken nachhaltig. Manche dieser Muster entfalten ihre volle Zerstörungskraft erst Monate später. Nachdem du alle Regeln kennengelernt hast, kannst du selbst entscheiden: Möchtest du sie weiterhin anwenden, oder vielleicht doch etwas verändern? Solltest du allerdings inspiriert sein, eines dieser Anti-Pattern künftig noch konsequenter zu leben… dann sollten wir uns nach dem Talk dringend unterhalten. ================= Dein Vortrag bei der Java Usergroup Nürnberg! Hast du dich in letzter Zeit in deinem Projekt oder privat mit einem interessanten Thema beschäftigt? Vermutlich ist das nicht nur für dich selbst interessant! Hast du Lust, selber einmal einen Vortrag bei der Java-Usergroup Nürnberg zu halten? Wir sind nicht nur auf Java-Themen fokussiert, sondern beschäftigen uns gern mit und um alles über Software Entwicklung und IT. Wir wollen bei der JUG nicht nur bekannten Speaker\*innen eine Plattform geben und die neuesten State-of-the-Art Technologien vorstellen. Wir freuen uns auch besonders, wenn wir Themen aus unserem technologischen (Arbeits-)alltag Raum geben zu können. Melde dich gerne bei uns, wenn du dazu Lust hast, wir geben wenn gewünscht gerne auch Hilfestellung bei der Vorbereitung!

L’ASTM et le CITIM,, ont le plaisir de vous inviter à une conférence intitulée : ### «Enseigner en 2026 : mission impossible face à des publics dont l'attention est de plus en plus volatile ? » Jeudi 18 juin à 12h30 à L’Altrimenti (Salle Rheinsheim) 5 avenue Marie-Thérèse, Luxembourg Centre (Plan d’accès [ici](https://map.geoportail.lu/addresses/Luxembourg/Avenue%20Marie-Th%C3%A9r%C3%A8se/5/?lang=fr)) Alors que les algorithmes de recommandation saturent notre quotidien, tant privé que professionnel, les études convergent : la "guerre de l’attention" fragilise nos facultés de concentration et favorise l’apathie. Si ce phénomène nous touche tous, il est particulièrement délétère pour les jeunes, dont le cerveau est encore en plein développement. Pourtant, rien n'est une fatalité. Des méthodes de transmission existent pour reconquérir ce précieux "temps de cerveau disponible". Jean Lou Fourquet, spécialiste de ces enjeux, nous proposera des pistes pour réinsuffler le goût de l’apprentissage et apprendre à apprivoiser la frustration nécessaire à tout effort intellectuel. Au-delà du savoir pur, il s'agit de remettre au centre de l'éducation des valeurs de solidarité, de sobriété et de lenteur, en opposition au culte de l'immédiateté et de l'individualisme. Avec l'intervention de : Jean-Lou Fourquet, formateur et co-auteur de l’ouvrage [La dictature des algorithmes](https://www.tallandier.com/livre/la-dictature-des-algorithmes/) co-écrit avec Lê Nguyên Hoang, qui analyse comment les algorithmes de recommandation favorisent les contenus clivants et sensationnels et comment nous pouvons bâtir un système de recommandation favorable à l’intérêt général. Entrée libre, mais inscription nécessaire sur : [events@citim.lu](mailto:events@citim.lu)

**Weekly stand-up comedy open mic night, featuring short sets from multiple comedians. FREE ENTRY!** Every Thursday at 9pm at Updown Bar ! Free tickets https://www.eventbrite.com/e/comedy-open-mic-luxembourg-tickets-1216566646589 If you want to go on stage, just show up, sign up and go up ! Follow us on instagram for the most recent events ! https://www.instagram.com/luxembourgcomedy/

Two hours that can transform your life Join Gurudev Sri Sri Ravi Shankar, one of the most authentic voices in spirituality today, for an unforgettable evening of wisdom and meditation. In just two hours, you’ll discover timeless insights about the mind, happiness, relationships, and the deeper meaning of life – not from a book, but through a living master. This is more than an event. It’s an inner journey where clarity replaces confusion, peace flows naturally, and joy arises from within. An experience that might change the way you see yourself and life forever. 400 people registered already Registration: https://www.events-artofliving.eu/gurudev-luxembourg

A relaxed evening of movement, fresh air, and connection. We’ll go for an easy run together (around 5–6 km at a comfortable pace), followed by some light stretching, gentle movement, and relaxation. No pressure, no performance, no specific level required. The intention is simply to move, enjoy being outdoors, and feel good in our bodies. After the run, we’ll slow down with a few minutes of stretching, breathing, and presence. Please bring: • water • a yoga mat or something comfortable to sit on 📍 Meeting point: Glacis (between the theatre and the public toilets) 🕕 Thursday at 18:00 As always, everyone is welcome. Come as you are and move at your own pace 🌿 💬 WhatsApp group for updates + community: https://chat.whatsapp.com/FXXDRxOGXXtKGnMErWo48M

**Brace yourself, Luxembourg: SMUT SLAM IS BACK.** Luxembourg's only community dirty storytelling open mic returns on Thursday, June 18 with the theme of "TERRA INCOGNITA." When you don't have a map, when the map is wrong, when you don't know where you're going, but holy shit, you're enjoying the ride... these are the times that make ASTONISHING stories, and we want to hear! Thursday 18 June \* doors at 18:30, slam at 19:30 Location: Rocas café-théatre, 33 Rue des Capucins, 1313 Ville-Haute Luxembourg Tickets: €15/adv, €20/door, available at https://www.eventbrite.com/e/smut-slam-luxembourg-terra-incognita-tickets-1983260725217 Smut Slam features real-life, first-person sex stories, special prizes, amazing guest judges, and also THE FUCKBUCKET, a convenient receptacle for all your anonymous questions and confessions! Prizes from the Smut Slam Armoire of Mystery and Uberlube 18:30 -> arrive early to secure a seat and enjoy a lovely drink 19:30-22:00 -> a good old-fashioned Smut Slam (with one intermission) SMUT SLAMMERS sign up on the night to tell a 5-minute dirty story, based on their real lives, and a lucky six to eight names will be drawn at random. RULES: - no notes - no costumes or props - only five minutes AND - the story must be real and have happened to you. IMPORTANT: Smut Slam is queer-friendly, kink- AND vanilla-friendly, fat-friendly, sex worker-friendly, virgin-friendly, polyamory-friendly, we're really, really friendly. We welcome people with all types and amounts of sexual experiences. We DO NOT welcome stories involving racism, sexism, homophobia, transphobia or any other kind of discrimination. All activities depicted must be CONSENSUAL! NOT A SMUT SLAMMER? Don't worry. The audience is in for a good time at SMUT SLAM! Sit back and enjoy. All we ask is: - No interrupting. - No heckling. - No necking in the front row. WE PRACTICE SAFER SMUT! DO NOT ATTEND if you are feeling poorly! There will be more slams! \*\*\* Smut Slam Luxembourg encourages attendees to test before coming to the show, and to wear a mask indoors. This remains one of the best ways to protect yourself against getting sick from COVID or any of the other airborne diseases going around. \*\* As always, we are closely watching current COVID-19 rates, and as things change, one way or the other, we may loosen or tighten our pandemic protocols. We will never surprise you with changes, but tell you in advance, so you can make informed decisions. Smut Slam keeps both comfort and well-being in mind, for the community! EVENT LANGUAGE: English SMUT SLAM is CREATED by Cameryn Moore, an award-winning playwright/performer, event producer, and former phone sex operator. When not performing, writing grant applications, or actually having sex herself, Cameryn writes Sidewalk Smut: custom type-written erotica as street performance and literary art. Read about the Smut Slam worldwide network at http://www.smutslam.com PLEASE NOTE: We have a strong Code of Conduct for everyone at a slam. We try very hard to run the event accordingly, and we want attendees to actually pay attention so you can help us create this safer space: https://docs.google.com/document/d/120FTNtC47HhNIEP91TXpUT21mwsDCryMsRhAj74nJjs/edit?usp=sharing Please do take a moment to read this statement, thank you! ACCESSIBILITY NOTES: coming soon

En avez-vous assez de devoir utiliser de nombreuses applications différentes pour gérer votre entreprise? Simplifiez tout cela avec Odoo, l’unique plateforme dont vous avez besoin pour tout gérer! 💯 Retrouvez-nous à **Arlon** le **18 Juin 2026** à **19h** pour un événement unique, combinant une démo en direct dont vous serez le héros et une session Q&A, suivi par un cocktail networking. 📍 ➡️➡️ Inscrivez-vous à notre événement gratuit pour obtenir votre billet via notre site web: **[https://www.odoo.com/r/QKg](https://www.odoo.com/r/QKg)** ⬅️⬅️ La conférence se déroulera en français.

⚡ **Circle** by **AI & Coffee — Luxembourg's In-Person AI Community** AI is moving faster than any of us can keep up with alone. The best way to make sense of it — and stay ahead of it — is by getting in the same room as people who are just as obsessed with it as you are. That is exactly what AI & Coffee is about. We are bringing together Luxembourg's most curious, creative and driven minds for an afternoon of open, honest and energising conversations about artificial intelligence — not in theory, but in practice. No slides. No pitches. No pressure. Just real people, real ideas and real connections over great coffee. ☕🤖 *** 📅 **Sunday 21 June \| 15:00 – 17:00** 📍 Chiche! [Mudam Café](https://www.google.com/search?sca_esv=7dbb87c75a549eac&rlz=1CAPCKE_enLU1164LU1164&biw=1920&bih=945&sxsrf=ANbL-n7bvy0m1rshxGfl2n8TFxFBKsnWEA:1780081804997&q=Mudam+Caf%C3%A9&si=AL3DRZGNtcdgKOqVhotcr-UG2kkYpwR2WO4qu3O00NmpwBmLnerIxG48JF9_S1_KvvL2qjy7grXOW3UTNGzd1LmwY21DLstQ9d5-MnPbepsCZ1AjUSoNPxc%3D&sa=X&ved=2ahUKEwjEs6G9md-UAxUigf0HHVMgMvUQ_coHegQIGBAB), [Mudam Luxembourg – Musée d'Art Moderne Grand-Duc Jean, 3 Park Drai Eechelen, 1499 Clausen Lëtzebuerg](https://www.google.com/maps/place//data=!4m2!3m1!1s0x47954f3172826fc1:0xd67dc5ddecab9ab2?sa=X&ved=1t:8290&ictx=111) *** ☕ **What we will talk about** AI & Coffee is an open conversation — guided by curiosity and driven by the people in the room. Expect discussions around: * What is actually happening in AI right now — the real breakthroughs, the real hype * Tools, projects and experiments people are building and testing * Practical AI use cases across industries — finance, marketing, tech, healthcare and more * Ideas, feedback and fresh perspectives from people at different stages of their AI journey Feel free to bring your laptop if you want to show something you are working on. Some of the best conversations at our last event started with someone sharing their screen. 💡 *** 👥 **Who is this for?** Developers and engineers building with AI Founders and entrepreneurs exploring AI for their business Investors and mentors looking to understand what is coming Researchers and students at the forefront of AI Creatives experimenting with AI tools Corporate professionals curious about AI's impact on their industry And anyone who simply cannot stop thinking about where AI is heading If AI excites, challenges or intrigues you — you belong here. *** ✨ **What to expect** A warm, welcoming and relaxed atmosphere where everyone has a seat at the table. Our host will kick things off with a few conversation sparks and the latest AI highlights — then the rest is yours. Meet, talk, connect and exchange freely. No commitment. No agenda. No pressure. Just the kind of afternoon that leaves you energised, inspired and already looking forward to the next one. *** 🎉 **The only cost is your own coffee or drink.** Bring your curiosity, your ideas and an open mind — and let's keep building one of the most exciting AI communities in Luxembourg. 🇱🇺 👉 Register now — spots are limited and they go fast!

Want to become a certified Claude AI Architect? Spend this summer learning skills that employers are actively looking for. AI Architects, AI Agents, MCP, prompt engineering, and agentic systems are becoming some of the fastest-growing areas in tech. Want to be part of it? TechLegion Summer School 2026 was created to help you learn these skills, prepare for an official certification, and connect with a community of professionals doing the same. As a partner in the Claude Partner Network, TechLegion offers members the opportunity to prepare for and earn official Anthropic certifications through our dedicated study cohort. 🤖 Registration for cohort: https://linkly.link/2kCF8 The study cohort is free for TechLegion members. Please note that TechLegion membership is required to join the programme, as participants receive a TechLegion email account and access to member resources under our domain. Learn together. Get certified. Build your AI skills this summer!.

Meet like-minded ladies and gents in a secure, comfortable space designed to make genuine and meaningful connections easy. Whether you come solo or with a friend, you’re sure to have a great time meeting new people! **You will need to buy a ticket for attending -** [https://lux20thjune.eventbrite.co.uk](https://lux20thjune.eventbrite.co.uk) TICKETS:- Early Bird - €5 / person Regular Ticket - €10 / person Cash at meetup: If you do not purchase a ticket in advance then you can pay Anny cash of €15 when you attend. **Here’s how your evening will flow:-** **7:00 PM – Welcome** Arrive at 7:00 PM and be welcomed by your host, Anny, who will guide the evening and help with introductions. Feeling shy? Come a little early and she’ll ease you into small-group conversations. You’re also welcome to bring a lady friend along for free. **7:30 – 8:30 PM \| Fast Friending** Chat with a new attendee every 3 minutes, ensuring you meet a variety of like-minded ladies and gentlemen. **After 8:30 PM \| Open Mingling** Reconnect with those you enjoyed speaking to and continue meaningful conversations at your own pace \- We are not a close knit tight group\. Our evenings are warm and comfortable for members attending for the first time and those coming alone\. You will not feel alone\! \- We have many groups in this city\. Members of our other groups who RSVP are included as guests of the organisers in order to give you an indication of expected people\. \- This evening is for ladies and gents in the 21 to 45 age group\. While some will be at the younger end of this range there will also be others at the other end of the range and lots in\-between\! You will naturally gel with others of your own age range and so you will always find many attendees who fit your range\. \- We are not a dating group\. Our events are not organised to manage your dating life\. Our group is created to help ladies and gents meet other like minded ladies and gents\. Please do not attend our event if a perfect gender balance is important for your enjoyment of our meet\-up\. Why do we have tickets? 1. Cover our costs - Our host is compensated for their time and work. We also pay meetup and have dedicated staff to manage our events, hosts, venues and communication. 2. Group Safety - By securing your ticket we have a record and you contribute to a well organized evening where everyone is more committed and better behaved. 3. Management - Tickets help us better manage attendee group size, book suitable space and activity. ABOUT [fastfriends.co.uk ](https://fastfriends.co.uk/)- We have connected members successfully for the past 10 years in over 30 cities (operating as Expatsclub, MeetConnectDevelop and fastfriends.co.uk). \-\-\-\-\-\-\-\-\-\-\-\-\-\- You can contact our founder Dan on +447715705005 with any questions or ideas. \-\-\-\-\-\-\-\- **Here are some videos which will give you some guidance and comfort to make your attendance more productive.** Secrets of socializing at our meetups - [http://bit.ly/secrets-socializing ](http://bit.ly/secrets-socializing) How to make new friends - [https://www.youtube.com/watch?v=v6GB0Hc_bSs](https://www.youtube.com/watch?v=v6GB0Hc_bSs)

Join a relaxed women's Pilates session in the park 🧘‍♀️🌳 A free, community-led session focused on strength, stretching, and wellbeing - suitable for all levels ✨ 10:30 by the ‚Bonne Nouvelle' *I finished a teacher course and currently working towards my Pilates certification

One room. Different cultures. Different stories. Join us for a special Sofar Solstice celebration as we mark International Music Day where music becomes a meeting point between worlds, shared in an intimate, secret setting. Let’s fill the room with colors from around the world: wear something that tells us where you’re from. Join the room [Get your ticket 🎫 ](https://www.sofarsounds.com/events/65518)

**Bloody Immigrant - Stand Up Comedy Show by Krzysia Balinska** Tickets [https://www.eventbrite.com/e/bloody-immigrant-i-standup-comedy-show-by-krzysia-balinska-tickets-1989175465364](https://www.eventbrite.com/e/bloody-immigrant-i-standup-comedy-show-by-krzysia-balinska-tickets-1989175465364) Start summer feeling good and watch Krzysia Balinska in her debut English comedy solo! After sold outs in Stuttgart, and in Berlin, Bloody Immigrant is taking off and coming to Luxembourg! Krzysia’s comedy is deeply observational as she figures out her life in Germany, fearless in speaking truth to power, sprinkled with a generous amount of warmth and a little off the wall. Come and laugh at stories about finding yourself at the crossroads of multiple cultures, reflecting on the oh-so-stable world we live in and being a cheeky little shit. Enjoy Krzysia’s charm in her sharing stories of love, sex and relationships where the endless ritual of trial and error is performed. There will be a wonderful opening act from Luxembourg's finest Ceren Tosun and audience's sweetheart MC Ken Park. If all we have is laughing together, then we have it all together, right? Door opens: 6:30pm Show start: 7pm **Headliner bio :** Krzysia is Polish by way of Great Britain and performed internationally from London South Bank Centre to Tokyo Comedy Bar. She has opened for Bengt Washburn (Comedy Central, Dry Bar Comedy), Elena Gabrielle (Top Secret London), Dima Watermelon (Gotham Comedy Club, Comedy Store) and Thomas Henry (The Comedy Cellar, Comedy Store). She prefers riots to diets unless the diet is exclusively croissants. **Opening Act** Ceren is a Turkish comic and one of Luxembourg’s rising stars, chronicling the chaos of singlehood in her thirties, where her relationship status refreshes every 24 to 48 hours. Her comedy dives into expat struggles, working life, and the absurdities of trying to settle down abroad. A former alcoholic who traded bottles for marathons, she brings a dark, cynical edge to the stage that’s as strong as a double espresso.

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)

## 🤝 Host Information A co-hosted event by ProductTank Columbus & Women in Product Columbus 💡 About the Workshop AI adoption is stalling across organizations — not because of a lack of motivation or tools, but because it's fundamentally a behavior design challenge. This hands-on workshop applies proven Behavior Design models and methods to help you move from a vague organizational wish to boost AI adoption to 3-5 concrete, testable interventions you can act on starting tomorrow. Whether you're a product manager, on a product team, or just someone trying to get AI to actually stick at work, you'll leave with a clear picture of what's worth focusing on, what to ignore, and how to drive real, sustained adoption — no guesswork required. 🛠️ What to Bring Laptop: Fully charged and ready to go. AI Assistant: Have your favorite AI assistant pulled up. (Dom will be using Claude, but feel free to use whichever assistant you prefer!) 🍕 Logistics & Perks Food & Drink: Pizza and drinks provided! Parking: Plenty of free spaces available on-site. ###

We are bringing Microsoft Build sessions to Columbus Ohio! The Central Ohio Azure Meetup and Central Ohio .NET Developer's Group (CONDG) are coming together to bring some of the labs and breakouts from Microsoft Build to your backyard. In this free, 1 day event, you are going to Build stuff with us! And yes, there will be free food. Please RSVP via [Microsoft Build //localhost:columbus | Microsoft Reactor](https://developer.microsoft.com/en-us/reactor/events/27247/).

* Who Can Attend \* The Central Ohio .Net Developers Group meetings are free and open to the public! All developers; professional, student, and hobbyist are welcome and encouraged to attend. * When we meet \* The Central Ohio .Net Developers Group meets on the 4th Thursday of every month. * Where we meet \* Please check our Meetup group link below for the latest location details! * Join our Meetup Group \* https://www.meetup.com/Central-Ohio-NET-Developers-Group-CONDG/

Please reserve your spot by registering on the below link : **Reserve** https://www.eventbrite.com/e/join-biggest-community-investors-founders-columbus-online-tickets-1988563717610?aff=meetup **QUESTIONS ?** Pls Reach out to; Ridhi - +971504724873 ( WhatsApp Only)

We're going to GameArena! We'll be in-person at the GameArena Gateway for our monthly COGG Prototype and Play event. Come to play and showcase your games! We're back in the upper levels of the catwalk area. It'll be packed with lots of camaraderie playing your game(s) and other's games on the 2nd floor. Light snacks and water provided but you can buy food and drinks at the bar (alcoholic drink ID required). [www.game-arena.co](http://www.game-arena.co/) **Attendees:** Don't have a game to show? Not a problem! All are welcomed and invited from all ages and backgrounds. The more we can have to play test our games is all the better! **Developers:** Do you have a game that you would like to get critical feedback on? Would you like an excuse to work on a game with other talented artists, programmers, musicians, designers, and writers? Digital, table-top, non-experienced developers, and the like are welcomed! We'll provide signage for your game to help others learn more about your work. Wifi, outlets, tables, and seats (though standing tables also) are available. Come to the Prototype and Play workshop to collaborate and meet local game developers for an evening of epic and raw game play fun! Play works-in-progress, show off your own game, work with others to add polish to a game, or even lend your talents to other fellow developers. For this event, light snacks from the bar and water will be provided! Though you can purchase you own if you like at the bar: [https://www.game-arena.co/menu](https://www.game-arena.co/menu) Can use South Garage at the Gateway with a $5 voucher on your way out. 75 E 11th Ave, Columbus, OH 43201 [https://maps.app.goo.gl/UwgveUYG37Jy7RtS9](https://maps.app.goo.gl/UwgveUYG37Jy7RtS9) If you have any questions or comments, as always, feel free to reach out to us at [info@thecogg.com!](http://info@thecogg.com!/)