Functional Programming

Dear members of HaskellerZ I am pleased to invite you to the following guest lecture from the creator of the Elm programming language, Evan Czaplicki. Please note that it is at the OST campus in Rapperswil. Title: **Making Web Apps can be Fun!** **How to use Functional Languages at Work.** Speaker: **Evan Czaplicki** Date & Time: 03.06.2026 17h15-19h00 Place: **OST Campus at Rapperswil \| Lecture Hall 5\.002** Abstract: Typed functional languages have had success in some surprising places. From high frequency trading at Jane Street, teaching physics and engineering at Brilliant, and plenty of businesses in between. We will go through some case studies to build an intuition for why a functional language is likely (or unlikely) to succeed in a given business scenario. From there we will dive into Elm ([https://elm-lang.org](https://elm-lang.org/)), a simple functional language that runs in browsers. If we have time, we will build a little website together. You should come away from this talk with (1) the core knowledge needed to build your own functional front-end and (2) an intuition for when it is a good business idea to do so. You do not need to know functional programming to enjoy this talk. Speaker Bio: Evan is the author of the Elm ([https://elm-lang.org](https://elm-lang.org/) <[https://elm-lang.org/](https://elm-lang.org/)\>\) and Acadia \([https://acadia.engineering](https://acadia.engineering/) <[https://acadia.engineering/](https://acadia.engineering/)\>\) programming languages\. He has been developing compilers and servers in Haskell for nearly 15 years\, and has significant expertise in using low\-level techniques to get the best possible performance out of Haskell programs\. I look forward to seeing you there! Best regards, Farhad Mehta Prof. Dr. Farhad Mehta OST – Eastern Switzerland University of Applied Sciences Department of Computer Science \| Oberseestrasse 10 \| 8640 Rapperswil \| Switzerland \| [www.ost.ch](http://www.ost.ch/)

**_DE_** (_EN below_): Wir, Peter und Patrick, sind zwei Physiotherapeuten mit einer Leidenschaft für Sport und Bewegung. Bei unserem **Gruppenfitness Training** trainierst du gemeinsam mit anderen, das motiviert, macht Spaß und hilft, dranzubleiben. Wir kombinieren Kraft, Ausdauer, Beweglichkeit und funktionelle Übungen, passend für alle Fitnesslevels. **Wichtig:** Bitte kommt in bequemer Sportkleidung. Wer nicht direkt auf dem Boden trainieren möchte, bringt gerne eine Matte mit. Du kannst an einem kostenlosen Probetraining teilnehmen. Danach besteht die Möglichkeit, ein Trainingsabo zu lösen: • 5 Trainings: 160 CHF • 10 Trainings: 280 CHF • 20 Trainings: 490 CHF Werde Teil unserer aktiven Community und erlebe, wie viel Energie Gruppentraining geben kann! **_EN_** We, Peter and Patrick, are two physiotherapists with a passion for sports and movement. In our **group fitness sessions**, you train together with others! it’s motivating, fun, and helps you stay consistent. We combine strength, endurance, mobility, and functional exercises, suitable for all fitness levels. **Important:** Please wear comfortable sports clothing. If you prefer not to train directly on the ground, feel free to bring a mat. You can join a free trial session. After that, you have the option to choose a training package: • 5 sessions: CHF 160 • 10 sessions: CHF 280 • 20 sessions: CHF 490 Become part of our active community and experience how energizing group training can be!

Two very different, complementary topics for our June evening. One on the small, everyday habits that make teams actually collaborate. The other on how a platform and a cultural movement transformed IT in the public sector. Here's what's planned for the evening: 17:30 - 18:00 - Arrival and first drinks 18:00 - 18:45 - Micro Habits for better Teamwork by Dr. Denniz Dönmez 18:45 - 19:30 - From DevOps to Digital Sovereignty: How a Movement Became a Platform by Syrian Hadad 19:30 - 20:30 - Networking, Open Space & More drinks\* **Micro Habits for better Teamwork** Great teamwork is like solving a puzzle, and not like playing poker, it's not about playing against each other, but rather achieving real collaboration. Micro Habits are psychological hacks that create big results in teams. Micro Habits for Better Teamwork span seven behavioral domains, such as taking responsibility, creating psychological safety, and testing our assumptions. Each provides concrete, small, actionable behaviors that lead to major improvements in collaboration. This talk presents practical, everyday tools based on real-world experience that can be applied immediately to make teamwork easier and more effective, without lengthy coaching programs or complex team-development processes. With Micro Habits, teams unlock their full potential step by step. **Dr. Denniz Dönmez** Scientific agilist and co-creator of Micro Habits for better Teamwork. 15 years experience leading teams and consulting market leaders with a background and PhD in agile methods. **From DevOps to Digital Sovereignty: How a Movement Became a Platform** IT in the public sector is anything but simple: long-established landscapes, strict regulatory requirements, complex processes, and often more than 500 business applications that must be operated reliably. For a long time, this meant ordering individual servers, databases, DNS entries, firewall rules, and storage, then assembling everything manually. Every application was unique. Pets instead of cattle. This talk tells the story of how the DevOps idea took hold in exactly this environment — first as a cultural movement, and later as a concrete operating and architectural model. Step by step, individual infrastructure evolved into a platform, manual work into automation, and isolated solutions into standardization. The result: the Aargau Cloud Platform and a dedicated platform engineering team. In an environment shaped by legacy systems, federal structures, and long lifecycle expectations, platform thinking becomes the foundation for digital sovereignty: maintaining control, reducing dependencies, and still staying innovative — without simply handing everything over to others. **Syrian Hadad** Syrian Hadad is a CTO and long-standing technology and platform leader in the public sector. Among other achievements, he built the Aargau Cloud Platform and helped establish DevOps, cloud, and architecture topics strategically within the organization. Together with the IT organization of the Canton of Aargau, he won the 2023 Digital Economy Award (Digital Excellence) for the consistent transformation toward platforms, cloud-native technologies, and modern governance. Many thanks to our **sponsors**: * Catering Sponsor: **DevOpsDays Zürich** https://www.devopsdays.ch/ * Location Sponsor: **Digicomp** https://www.digicomp.ch/ \* contact us min. 3 days prior to the event if you prefer a vegan option.

Workshop-Details Wo: Kunsthaus Zürich Wann: 03.06.2026 Zeit: 08:30 - 11:30 Uhr In diesem Workshop tauchen wir in die historische Seele Zürichs ein. Wir beginnen im Kunsthaus, wo wir das minimalistische Licht und die beeindruckenden Innenräume des Neubaus einfangen. Anschließend widmen wir uns dem pulsierenden Rhythmus am Stadelhofen, um mit den ikonischen Stahl-Linien Calatravas zu spielen, bevor wir die lebendige Energie am Bellevue durchqueren. Unsere Route führt entlang der Limmat zum Helmhaus (einem meiner persönlichen Lieblingsorte!) und endet am Münsterplatz — dem perfekten Ort, um Licht, Schatten und zeitlose Momente im Herzen der Altstadt zu meistern. Was du lernen wirst – Fotografieren bei wenig Licht – Echte und ungestellte Augenblicke des Nachtlebens festhalten – Die Schönheit der Schwarzweiss-Strassenfotografie entdecken (natürlich kannst du auch in Farbe fotografieren!) Wir beginnen den Tag mit einem Drink in einem nahegelegenen Café — natürlich auf meine Einladung! Dies ist die perfekte Gelegenheit, sich kennenzulernen, Erwartungen auszutauschen und individuelle Wünsche für den Workshop zu besprechen. Deine Teilnahme kostet 150 CHF. Bitte melde dich direkt über meine Website an und sichere dir deinen Platz: www.katjabouwman.com/workshops Erst nach Zahlungseingang ist dein Platz gesichert! Workshop Details Where: Kunsthaus Zurich When: 03.06.2926 Time: 08:30 - 11:30 AM In this workshop, we’ll dive into the historic soul of Zurich — starting inside the Kunsthaus, where we’ll capture the minimalist light and grand interiors of the new extension. We’ll then head out to the bustling rhythm of Stadelhofen to play with Calatrava’s iconic steel lines, before moving through the vibrant energy of Bellevue. Our route follows the Limmat to the Helmhaus (one of my personal favorite spots!) and concludes at Münsterplatz, a perfect location for mastering light, shadow, and timeless moments in the heart of the old town. What you’ll Learn – Shooting in low light – Capturing candid nightlife moments with confidence – Exploring the beauty of black and white street photography (of course, you can shoot in color too!) We’ll kick off the day with a quick drink at a nearby café — my treat! This is a great chance to get to know each other, share expectations and discuss any specific wishes you might have for the workshop. Your participation costs 150 CHF. Please register directly through my website to secure your spot: www.katjabouwman.com/workshops More info on www.katjabouwman.com/workshops or visit my Instagram account katja_zuerich

3 courts

Let's get together for the next TechTalkThursday to learn new things and share experiences! 17:45 Door opening 18:00 **Intro** – Thomas Hug, CEO & Founder of Nine 18:05 **The Shift From "Hack In" to "Log In": How Overprivileged Non-Human Identities Became the Modern Attack Path** – Jan Brons (Co-Founder & Cyber Security Expert at Kleeo GmbH) 18:30 **How To Navigate Complex Systems Using a Non-Software Toolkit** – Florian Sommerfeldt (Quality Expert at House of Test Switzerland) 19:00 **Zero to SELECT: Providing Databases in 10 Seconds** – Daniel Wilhelm (Senior Engineer Managed Services at Nine) 19:30 Snacks & Drinks Have we aroused your interest? Then please register! We look forward to meeting you! You can also watch this event's livestream on YouTube: https://www.youtube.com/watch?v=HgsaBKivvXk

As it is sometimes difficult in Switzerland to practice high german, in 2010 we decided to organize a conversation group that is free to everyone who wants to practice german and socialize. WhatsApp group for easier contact: https://chat.whatsapp.com/KmMkpiQxs291vTPv2RBNm4

Dear Friends of Haskell, The schedule for ZuriHac 2026 is now online on [zurihac.info](https://zurihac.info/)! This year’s keynote speakers include Simon Peyton Jones (one of the creators of Haskell), Evan Czaplicki (the creator of the Elm programming language), and GarrickChin (developer of the “Defect Process” 2D hack n' slash game on Steam). We also have a track on Category Theory, given by Jencel Panic (author of “Category Theory Illustrated”), as well as a track on rolling your own dependent types given by Andres Löh and Andrea Vezzosi. The Beginners’ Track this year will be given by Michael Sperber (CEO of Active Group and author of “Schreib dein Program”), who will also talk about teaching programming. Our website [zurihac.info](https://zurihac.info/) contains further information on keynotes and tracks and will be updated regularly. In case you have not registered yet, please do so ASAP via the link [https://zureg.zfoh.ch/register](https://zureg.zfoh.ch/register) (also on our website). Although registration is free for participants, it allows us to plan appropriately for the event: Jane Street and IOG are providing food in the evening, and we want to minimize waste. For the uninitiated: ZuriHac 2026 will take place Saturday 6 June – Monday 8 June 2026 as a physical event at the Rapperswil-Jona campus of the OST Eastern Switzerland University of Applied Sciences. ZuriHac is the biggest Haskell community event in the world: a completely free, three-day grassroots coding festival co-organized by the Zürich Friends of Haskell and the OST Eastern Switzerland University of Applied Science. It is not your standard conference with papers and presentations, but features fantastic keynotes, hands-on tracks, hacking on many of your favourite projects, and of course lots of socializing! Organizing ZuriHac would not be possible without the support and help of: * CircuitHub * Digital Asset * IOG * Jane Street * OST * Tweag * Well-Typed In case you would like to support ZuriHac, as a company or as an individual, please get in touch with us, we would be grateful: [https://zfoh.ch/#donations](https://zfoh.ch/#donations) We hope to see you there! The Zurich Friends of Haskell

Shooting only in Auto or Program mode is a thing of the past. We will learn when it makes sense to use Manual (M), Shutter Priority (TV), or Aperture Priority (AV) modes to create artistic compositions under a wide variety of conditions. This workshop is designed for beginners as well as photographers who want to dive deeper into their camera settings, lenses, and the many features their gear has to offer. **Part 1: Getting Started (2h)** * **Full Control:** Mastering Manual (M) mode. * **The Essentials:** Understanding Aperture, Shutter Speed, and ISO, and how they shape your image. * **Semi-Auto Modes:** When and why to use AV or TV modes. * **Focus:** An insight into various autofocus options. **Part 2: Lenses & Perspective (2h)** Unlike prime lenses, telephoto lenses offer more flexibility without having to move—but they also come with specific challenges. We will explore the pros and cons of different lenses and learn which glass is best suited for which purpose. **Part 3: Practical Application (2h)** Putting theory into practice outdoors, followed by a final Q&A session. **Course Hours:** The course runs from 10:00 AM to 5:00 PM. **Registration:** Please register by **May 24, 2026**, via email at admin@michaelcalabro.com. The course requires a minimum number of participants to take place. Confirmation will be sent as soon as the minimum number is reached. **Participants:** Min. 4 / Max. 8 www.michaelcalabro.com

Coders Monthly is a regular gathering of programmers in Zurich interested in honing their craft. It takes place in Zuerich at Cafe Bar Pluesch (https://cafe-pluesch.ch) on the first Thursday of every month. For the members list, some pics and more, see the Coders Only (https://codersonly.org/events/coders-monthly) site. Hope to see you there! PS: Please join our Discord https://discord.gg/jWUZsKQvrz for any last minute announcements.

Zurich Campus Open House & Info Session 📅 Thursday, June 4th ⏰ 17:30 - 19:30 📍 Zurich Campus (Förrlibuckstrasse 150) We are currently filling the final available seats for our upcoming Summer tech cohorts. Before enrollment officially closes, join us for an exclusive, casual evening at our Zurich campus. Discover how AI is reshaping the tech industry, explore our programs, and claim up to 20% off your tuition. Whether you are interested in our Web Development (starting June) or Data Science (starting July/August) programs, this event is your chance to explore our academy and discover the path that best fits your ambitions. Event Schedule: * 17:30 \- 18:00 \| Welcome & Campus Tour: Drop in\, grab a drink\, and see the face\-to\-face\, immersive environment that sets us apart from remote bootcamps\. * 18:00 \- 18:30 \| The AI Tech Advantage \(Info\-Session\): Join a compelling discussion on the current tech job market\. Discover how the role of a software engineer is shifting and how AI is empowering individuals to build complex web apps and launch startups easier than ever before\. * 18:30 \- 19:30 \| Q&A and Mentorship: Get 1\-on\-1 time with our lead instructors and admissions team\. Ask specific questions about curriculums\, tech stacks\, and career outcomes\. Unlock Exclusive Tuition Grants: By attending this event in person, you unlock special event-only pricing: * June Web Development: Claim an exclusive 20% total tuition reduction (our 15% launch offer + a 5% event bonus) for the final remaining seats. * Summer Data Science: Secure a 10% tuition reduction for our upcoming July (Part-time) or August (Full-time) cohorts. Drinks and light snacks will be provided 🍺Drop in anytime between 17:30 and 19:30.

Hi everyone This time on a **Friday**, we'll meet at Renuo's for some deep technical conversations and also to just connect with each other again. This is the plan for the evening: * 18:00 **Trees and Houses** by *Lukas Bisch*of (30') * 18:30 Slot for **Lightning Talks** if any, time-limit (max. 3 x 5') Anyone may just jump onto the stage and present something. Spontaneaous, no registration needed, but be brief! HDMI, only. * 19:15 **Shikigamiya** by *Alessandro Rodi* (30') Snacks and drinks are on Renuo!

PyData London 2026 brings together data scientists, engineers, and researchers from around the world for three days of insightful talks, tutorials, and community connection. Hosted in one of Europe’s leading tech hubs, the event highlights the latest developments in Python, machine learning, and data science. Attendees can expect a mix of cutting-edge research, real-world applications, and opportunities to network with industry leaders. Whether you're a beginner or an expert, PyData London offers something for every level of the data science community. **THIS IS NOT A TICKET- TICKETS MUST BE PURCHASED ON CONFERENCE WEBSITE.** https://pydata.org/london2026

Hare (someone to set the route) is Stogie Gibberish. I ain't a smart feller. But maybe if I spend some time around smart folk it'll rub off. So, we'll be runnin' around UZH in hopes that by the end of night I won't be dumb no more. Might work for ya'll too. Come join us! **Where**: See location. Typically within Zurich Zone 10. Look for English speakers wearing running gear. **When:** We'll meet at 6:50 pm to start at 7:00 pm. There's a charge of CHF 5 for participating, which covers all you can drink beer/cider (and non-alcoholic alternatives) plus snacks afterwards. **All Welcome:** If you are new, curious, and want to get out of the house, stretch your legs, talk shit, enjoy a drink, and hopefully a laugh, then here's what you need to know: • We are a social running/walking group, physical fitness is not required, but a sense of humour is useful. • The aim is to find the '*Beer Stop*' at the end of the '*trail*' and have fun. • 'True Trail' is typically 4-7 km. Some will go less (especially those walking or walk/running), and some over-achieving fast runners will go further. • The '*Hare*', which changes each event (along with location), cleverly lays the trail (typically with flour marks) so that everyone reaches the end at the same time. • There is always a place to deposit your bag and sometimes a place to change. • **After Trail**, we group for \~20-40 minutes for drinks, snacks, and some fun. This '*Circle*' is typically outside, so leave something warm in your bag in winter (and bring a flashlight when it's dark). If you don't want to stand around drinking afterwards, you can head home. We occasionally all go to a restaurant afterwards. **Why bother leaving your warm & dry sofa?** If you enjoy getting outside, being around people, and doing something a bit different, you will probably enjoy hashing. Exercise is important, and this is probably the least boring way to get it. 'Hashing' and the idea of some physical activity to work up a thirst, have been around for almost 90 years and there are groups (*Hashes*) in most major cities. Its humor and 'traditions' can be explored on the internet - **or you can just come along and find out.** *See you there.* We are of many nationalities, all ages, full of misfits and idiots (at least there is no one taking themselves seriously!) and always welcome newbies 'Virgin Hashers' and visitors from other groups. For more about Zürich Hash House Harriers, check out [www.zh3.ch](http://www.zh3.ch/) ( [http://www.zh3.ch/](http://www.zh3.ch/) )

We have moved to guild.host. Look us up there. https://guild.host/events/buckeye-cocoaheads-rcavwd

**Latest Dojo Location!** **Knotty Pine Brewing** 1765 W 3rd Ave, Columbus, OH 43212 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 speakers for our Monthly Meetups! Fill out the form if you are interested in presenting to the Python Community. https://forms.gle/ehSfUAC2WgR34Crq9

This is a free, in-person meeting on the subject of betrayals, losses and how to get over them so you can build lasting relationships. Burdened by a stressful relationship? Unhealthy relationships can trigger feelings of anger, despair or self-doubt. They can create dwindling spirals of fights and seeking to make-up, or trying to “pin the blame” on someone or something. If you don’t find the RIGHT reasons, or select the correct sources of the problem, the problem can just get worse and worse. Whether in love or personal ties, with friends or at work, our life really IS affected by the quality of our relationships. Good ones can promote pleasure and survival while less optimum ones can lead to annoyance, anger, self-doubt, stress, or even affect our health and ability to survive well. Whether you are suffering from a divorce, or a painful break-up, don’t know who to trust (or who to CHOOSE) as a partner, friend, boss or employee - the anxiety of relationship troubles can really make a mess of things. Maybe you’ve suffered a betrayal, or are dealing with hostility or criticalness or invalidation. Dwindling relationships can involve destructive behavior, where we hurt those we love, or start succumbing to self-destructive thoughts, attitudes or behaviors that spiral out of control and affect much more than our immediate relationship. Past losses in love or life can affect how we act or react to new people and situations and hold us back from even starting to create new, possibly great relationships! How can one get back onto a saner course of action? Come to our Meetup, where we can introduce you to some of the knowledge, tools and techniques of the breakthroughs in the field of the mind that we can apply to this ever important area of life: human relationships! Break free from self imposed limitations Here we will discuss: • How to “erase” the trauma of past hurts and betrayals so that one isn’t always repeating past mistakes. • Why and how do the negative emotions of others affect you? • Why is my partner withdrawing and what can I do about it? • Why do we sometimes feel compelled to hurt the ones we love? • Fights & arguments - what's really behind them? • What underlies “corrosive criticism” or the need to invalidate self or others? • How one can stably change one’s outlook on life so they can affect positive change? • Where do compulsive destructive behaviors come from and what can be done about them? • How to form closer bonds & keep growing the relationships with the people you care about? • How to enhance one’s own ability to survive and create positive healthy relationships whether in love, family & friendships or in work, business or one’s career? Relationships can be hard and life itself IS challenging. Why not arm yourself with the knowledge and breakthroughs that have been made about the mind, mental reactions & interpersonal relationships, so that one has better awareness and control over themselves and life in general. Learn where painful experiences are “stored” and how they can unknowingly affect us. You will also find out how one can “erase” those past painful experiences so that one is free to move forward without being tripped up by the past. Learn too, about what can lead some people to become “toxic” personalities and how to identify those traits in others so you won’t be tripped up trusting the wrong person. Our free Meet-ups occur in a safe environment where one can learn, without fear of judgment or criticism, and without the recommendation of harmful mental techniques or therapies, just how YOU can get yourself onto a happier & more successful path: in love & in life. We look forward to having you join us! This class is sponsored by the Dianetics & Scientology Life Improvement Center of Central Ohio.

Topic to be announced. **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

Attend a free seminar on how to have successful and lasting relationships. At this seminar you will learn: How to spot and handle negative and toxic relationships. How to get through the "rough patches" in a relationship. How to choose the right people to work with. The three things that make or break any relationship. How to make a good relationship great. All are welcome. Be sure to click on the red "Attend" button below to come to this local event. We look forward to seeing you there. Hosted by the Dianetics and Scientology Life Improvement Center of Central Ohio.

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

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. So please RSVP for a head count!