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Megaparsec is a well known Haskell parsing library, most often used to parse text. But a token stream doesn't have to be characters, it can be anything with the right instances. What if you fed it a stream of Aeson.Value instead? Extracting structured data from real-world formats is often a messy process. Presentation is optimized for human consumption, not for automated processing: What looks like a table is really a sequence of heterogeneous rows with little shared structure. JSON can serve as a useful interchange format in those cases, but parsing becomes much more complicated than matching keys to fields. Treating decoded JSON as a token stream and running Megaparsec over it gives you composability, meaningful errors, backtracking, and the full combinator toolkit. The talk is based on an hledger personal finance automation use-case, turning PDF invoice statements into hledger journal entries. This talk follows the [Zurich Friends of Haskell General Assembly](https://www.meetup.com/haskellerz/events/313322610/) that starts at 6pm in the same room, which all members are welcome to attend.

Come and get you **Comedy Brew**, your fix of English Stand-Up Comedy! We serve a fresh, locally sourced 'menu' of 10 comedians, as organic as your favorite farm-to-table meal, all geared up to make you laugh out loud. **Tickets at:** [https://bit.ly/iyfcb](https://bit.ly/iyfcb) Unleash your laughter at [ROBIN's coffee](https://maps.app.goo.gl/E1e3H9GRDDJaPK8z9), the coziest New York-style coffee bar in the heart of Zürich. **Dare to Make 'Em Laugh? 🎤😂** Ever fantasized about grabbing the mic and cracking some jokes yourself? Well, your dream could come true! Visit [our performer's page](https://inyourfacecomedy.ch/perform/) to find out how you can take the stage and spread laughs like a pro. **See You There! 🎤😂** Come down to ROBIN's, break some bread, share some laughs, and maybe even catch the comedy bug yourself! See you there every Thursday! Powered by IN YOUR FACE Comedy 🌟 [Check Us Out!](https://instragram.com/inyourfacecomedy/) **Tickets at:** [https://eventfrog.ch/comedybrew](https://eventfrog.ch/comedybrew) **Frequently Asked Questions** * ***Is the show really in English?*** Absolutely. Every set is performed in English by a mix of Swiss-based and international comics, so no Swiss-German skills required. * ***What’s a “Comedy Open Mic”?*** It’s the testing ground for jokes. Pros road-test fresh material and brave newcomers grab their first five minutes. Expect some gems, some flops—and the fun of seeing comedy born in real time. * ***Will it be funny?*** Most of the time, yes! An open mic is a roller-coaster: seasoned acts, new voices, and the occasional glorious train-wreck. It’s all part of the charm. * ***Can I perform too?*** Yes - you need to book a spot - find out more about how to do it here: [https://inyourfacecomedy.ch/perform/](https://inyourfacecomedy.ch/perform/). * ***Do I need to buy tickets in advance?*** Please do. We’re usually running around before the show and door sales slow things down. If you’re stuck, we’ll try, but no promises. Link to tickets as at [https://inyourfacecomedy.ch/comedybrew/](https://inyourfacecomedy.ch/comedybrew/) * ***How does seating work?*** First come, first served so grab a drink, snag a seat, and settle in. * ***Is food available at the bar?*** ROBIN’s serves drinks only. For a pre-show bite, try **Restaurant Johanniter** (classic Swiss) or **Holy Cow!** across the street for burgers. * ***Will the comedians pick on me?*** We chat with the crowd for laughs, not humiliation. Friendly banter only - you’re safe. * ***How long is the show?*** Doors open 7:30pm, show starts \~7:50pm with a 15 min break in the middle ending around 10pm. Enough time for the last trams home... * ***Age limit?*** All ages welcome of course 16+ recommended (adult themes, spicy language).

Vorträge, Networking und Apéro für alle, die sich in Winterthur für Webtechnologien interessieren. Türöffnung um 18:30 Uhr, Talks ab 19:00 Uhr. [https://web-winti.ch/](https://web-winti.ch/) **ARIA Demystified: Make Your Web Thing More Accessible** Mohammed Chelouti Praktische Einführung in die Entwicklung barriereärmerer Webseiten und -Apps. **It's About Time** Aleksej Dix Introducing useTemporal library to build calendar UIs much faster.

In this gentle aerial yoga class, we use a soft fabric hammock suspended just 10 cm above the floor. The hammock supports your body as you move, helping you stretch more deeply, improve flexibility, and build strength in a new way. With the fabric holding part of your weight, you can explore each pose with more ease, sometimes with a soft sway, sometimes with a bit of challenge. We combine mobility, strength, and relaxation, and finish with a peaceful Savasana in the hammock. The class is in English and open to all levels. * Props provided or bring your own * Drop-in rate CHF 35.-, abos and packages available on studio website and Eversports * Please register and purchase a pass via [Yoga Nest Eversports](https://www.eversports.ch/org/widget/6bb2f0f6-b0ff-4d15-84be-5f9229b128f2?venueId=b336fe38-08c9-45ab-a1d8-3255d21ed886)

We keep it a fun and practical language exchange. First thing you'll notice is we match you with **fluent speakers** in your target language. **Event Flow** **18:45–19:15** → Registration Scan the QR code to tell us your fluent and target languages. **19:15–20:30** → Language Exchange Powered by our **Learn by Flipping** method. **20:30 onwards** → Stay, chat, or head off — totally up to you 😉 **What is "Learn by Flipping"?** **Practical** → You speak with fluent speakers in your target language. **Collaborative** → Every 5 minutes, you switch roles: learner ↔ helper. **Fun** → Small groups, good energy, and a bar atmosphere — without the chaos. Save some time by [Signing up to our web app](https://fliplingoes.com/) beforehand. **Entrance:** 10 CHF (includes a tapa) Please note, event registration closes after 7:15PM

**☕ Investment Café – Your Monthly Investment Meetup** The Investment Café takes place **every last Thursday of the month** in Zürich. Whether you're a beginner or more advanced – the **Investment Café** offers a relaxed atmosphere to talk openly about money. 📈 **Topics we’ll cover together:** • Best practices for investing • Macro indicators • Stocks, Bonds, Funds, etc • Your open questions – discussed directly with an expert • Learning from each other – through real community exchange **🎟 Admission:** Free – Please take your food and snacks. 🔗 **More info about the host:** [https://www.linkedin.com/in/alakatos/](https://www.linkedin.com/in/alakatos/ "https://www.linkedin.com/in/alakatos/") Stop by, join the conversation, and get fresh inspiration for your investment journey!

MDH Breathing Coordination is a body work method based on functional anatomy which is gaining popularity in Europe and the USA. Go onto [http://eventfrog.ch/breathingworkshop ](http://eventfrog.ch/breathingworkshop) to get your ticket Each person is individually assessed and guided towards their optimal breathing potential.This method is delivering exciting results for singers, musicians and actors. Robin de Haas, co founder of MDH Breathing Coordination has presented workshops around the world including the Manhattan School of Music, Swiss Pulmonary League and ANATs equivalent in Paris and the UK. In 2022, Robin is seen in cinemas around the world in the documentary on his life and research « Robin des Voix » (number 1 Swiss doc for 2022 at the Swiss box office). MDH Breathing Coordination Workshop Content • Group exercises to promote optimal inhale/exhale. • Woking with a specifically created 3D animation of optimal breath function to create a visual for the role of the ribs and diaphragm. • Exploration of functional anatomy of accessory parts of the body associated with breathing. • Scientific explanation of airflow during vocalising i.e. What is breath support? ADDITIONAL CONTENT • Performances in a Masterclass setting. • Strategies to deal with performance anxiety. • Exploration of functional anatomy of the vocal folds including the vocal fold function for Classical versus Contemporary vocalising. • Explanations of singers formants and harmonics of the voice. • Exploration of functional anatomy of the respiratory system. • Presentation of case studies and methods used. TOOLS TO TAKE AWAY INCLUDE: • Breathing exercises to promote a balanced air flow and calm inhale for vocalising and playing wind instruments. • Exercises to stimulate optimal breath support. • Breathing Coordination Self Preparation Routine. This involves a gentle sequence of movements for the whole body timed with breath work and is designed to prepare the body for optimal breathing/performing. SCHEDULE: • 18:15 Doors • 18:30 Workshop • 20:15 - 21:45 Masterclass (the masterclass is public to all with a ticket to the workshop, Masterclass participants have a Masterclass ticket)

**[⚠️ >>Ticket needed (click here)<<](https://eventfrog.ch/en/p/eating-drinking/digital-detox-cafe-7438263298422746964.html) or** **[www.social-circle.ch](www.social-circle.ch)** **Unplug & Create: Digital Detox Café at Paint it Easy** Take a break from screens and reconnect with yourself and others at our Digital Detox event in Zürich’s most inviting creative space, Paint it Easy. We’ll kick off the evening with a relaxed atmosphere, setting the tone for a mindful and inspiring night. Join our craft group: [https://chat.whatsapp.com/JPIASNUJGwD23UUweSe0s3](https://chat.whatsapp.com/JPIASNUJGwD23UUweSe0s3) **Deep Talk with Question Cards:** Dive into meaningful conversations and connect with fellow participants on a deeper level. **Boardgames:** Just for fun or to meet new people. **Creative Activities:** * **Drawing** (included) * **Canvas Painting** (CHF 10/hour + canvas, e.g., 30x40 cm: CHF 9) * **Pottery Painting** (CHF 20–45 per piece) * **Jewellery Making with Beads** (CHF 10/hour + materials, avg. CHF 20–30) * **Linocut Printmaking** (CHF 25–35 per piece) **Location:** Paint it Easy, Zürich **Early Bird Ticket:** CHF 15 (standard CHF 18) **Includes :** Welcome drink\*, drawing material, notebook, games, workshop **Doesn't include** : optional creative activity fees (depending on your choice) \*Warm drink, homemade iced tea, or lemonade Want more events like this? Join our community! [https://chat.whatsapp.com/DaGFCvKs6iu62pftk5cotM?mode=gi_t](https://chat.whatsapp.com/DaGFCvKs6iu62pftk5cotM?mode=gi_t) No experience needed—just bring your curiosity and an open mind! Whether you're painting, reflecting, or connecting, this is your space to recharge, express, and enjoy. Please note that pictures might be taken and used, if you don't want to be on them please let the host know. Tickets are not refundable. #digitaldetox

**⚠️ Ticket needed :** [https://social-circle.ch/](https://social-circle.ch/) **Ping Pong Doubles Night – Nur für Singles! (25–40 Jahre)** *(English below)* Keine Lust mehr auf awkward Smalltalk bei Dating-Events? Dann lass uns das Ganze spielerisch angehen. Komm zu unserer **Ping Pong Doubles Night für Singles**, bei der du im Laufe des Abends mehrfach die Partner:in wechselst, locker neue Leute kennenlernst und bei schnellen Ballwechseln, miesen Aufschlägen und guter Stimmung connectest. ✨ **Special:** In der Pause gibt es eine kurze **Speed-Dating-Session**, damit du auch abseits des Tischs gezielt ins Gespräch kommst. Egal ob Anfänger:in oder heimliche:r Profi – das Format ist so gestaltet, dass alle mitmachen und Spaß haben können. **Was dich erwartet** * Zufällig zusammengestellte Doppelteams (Partnerwechsel mehrmals im Abend) * Kurze Speed-Dating-Runde in der Pause * Lockeres Kennenlernen ohne gezwungene Gespräche * Entspannte Atmosphäre vor, während und nach den Matches * Drinks & Musik ✨ **Für wen ist das Event** * Du bist Single * Du magst spielerischen Wettbewerb * Du bist offen, neue Menschen in entspannter Atmosphäre kennenzulernen ⚠️ Begrenzte Plätze für eine ausgewogene Gruppe. Das wird ein großes Event – sichere dir rechtzeitig deinen Platz. Während der Veranstaltung können Fotos und kurze Videos aufgenommen werden. Bitte informiere den Veranstalter, wenn du nicht darauf zu sehen sein möchtest. Tickets sind nicht erstattungsfähig. Tritt unserer Gruppe bei, um Updates zu dieser Veranstaltung zu erhalten: [[https://chat.whatsapp.com/FoJN0DzRQgF232huSHiGOi](https://chat.whatsapp.com/FoJN0DzRQgF232huSHiGOi) ](https://chat.whatsapp.com/FoJN0DzRQgF232huSHiGOi) Möchtest du mehr Veranstaltungen wie diese? Tritt unserem WhatsApp-Newsletter bei, um auf dem Laufenden zu bleiben: [https://chat.whatsapp.com/DNCKCapTzlSKqBqS8EQckJ](https://chat.whatsapp.com/DNCKCapTzlSKqBqS8EQckJ) \*\*\* **Ping Pong Doubles Night – Singles Only! (Ages 25–40)** Sick of awkward small talk at dating events? Let’s make it playful instead. Join our **Ping Pong Doubles Night for singles**, where you’ll rotate partners throughout the evening, meet lots of new people naturally, and connect over fast rallies, terrible serves, and great energy. ✨ **Bonus:** During the break, we’ll host a short **speed dating session** so you can connect more intentionally off the table too. Beginner or hidden pro — doesn’t matter. The format is designed so everyone can jump in and have fun. **What to expect** * Randomly assigned doubles teams (you’ll switch partners several times) * Short speed dating round during the break * Fun connections without forced conversations * Relaxed social time before, during, and after the games * Drinks & music ✨ **Who this is for** * You’re single * You enjoy playful competition * You’re open to meeting new people in a relaxed, low-pressure setting ⚠️ Limited spots to keep the balance. This will be a big one — don’t wait too long to grab your spot. ​ **Photos and short videos may be taken** during the event. Let the host know if you prefer not to be in them. Tickets are **non refundable**. Join our group for updates on this event: [https://chat.whatsapp.com/FoJN0DzRQgF232huSHiGOi](https://chat.whatsapp.com/FoJN0DzRQgF232huSHiGOi) ​ Want more events like this? Join our WhatsApp newsletter to stay updated: [https://chat.whatsapp.com/Hmm9DZP3wzaL8cXrtAAafw](https://chat.whatsapp.com/Hmm9DZP3wzaL8cXrtAAafw)

Dear friends, ☕️ 🥐 We invite you and your family to enjoy a warm and cosy moment at the Parkhotel in Zug. There will be the opportunity to drink a delicious cappuccino with croissants and more together, to have many inspirational conversations, as well as gaining insights behind the scenes of the Web3 / Crypto Valley 🏞️ 👋🏻 We are excited to meet new web3 enthusiasts, big or small, and to share this lovely morning with you and your loved ones! 😊 See you soon! Best, Costin PS: * 📲 Join us on Signal to connect with the community: https://signal.group/#CjQKIDQRtCSnYIuwmKeOUE69hEMzpF8YqxoibUkGRZzQM_lKEhCwgeogZ3oGE_s8EAdzbLzB * 🏨 For those who don't know the Parkhotel yet, it is a 3-minute walk from the Zug train station 🚉, there is also a parking under the hotel 🅿️

Web Zurich presents inspiring talks all about the web. Join us for the March 2026 meetup! We will have three talks as well as chit-chat and drinks. Whatapp: [https://chat.whatsapp.com/FxOfVTK9nf431xHtVl3eGK](https://chat.whatsapp.com/FxOfVTK9nf431xHtVl3eGK) Website: [https://webzurich.ch](https://webzurich.ch) 18:30 \~ 19:00 Arrival time with drinks, chat and introduction 19:00 \~ 19:40 *Christian Heitzmann* **Why Documentation Won’t Write Itself—and AI Won’t Save You** For the last 15+ years, I’ve joined and consulted software teams that all struggled with the same problem: nobody likes writing documentation, and everybody pays the price for it. New developers spend weeks reverse-engineering codebases, architecture lives in people’s heads, and wikis quietly decay into noise. With AI now entering the picture, many hope it will fill the gaps. It won’t. I’ll show the simple ideas that change everything: how to think about documentation in the right levels, how to keep it close to the code, and how to avoid the decay we all know too well. These are the decisions that have to be made before any tool or process can work. The documentation won’t write itself. But there are ways to make it far easier and far more reliable. 19:40 \~ 19:50 **Short Break** 19:50 \~ 20:10 *Marco Gähler* **How to write good code** There is an infinite amount of solutions how you can solve a programming problem. Some are better, others are worse. The best solutions are easy to understand, maintain and errors are not able to hide. I wrote a book "Software Engineering Made Easy" about this topic and I'm more than happy to explain some principles that make your code better. Most of them are quite simple to understand, once you understand the mechanics, why your code always breaks. 20:10 \~ 20:30 *Marius Ishida* **AI: The Lightsaber Problem** My talk will challenge the popular narrative that AI fundamentally democratizes power by showing that, which I believe is not true at all. While generative AI lowers entry barriers for basic tasks, it disproportionately amplifies the productivity and leverage of already computer literate users. Empirical research shows that AI acts as a skill multiplier rather than a true equalizer, with outcomes strongly dependent on users’ ability to frame problems, verify outputs, and integrate tools into complex workflows. As a result, AI risks reinforcing a new AI driven digital divide, where technical literacy—not access alone—determines who truly benefits. 20:30 onward More drinks & chat We look forward to see you there! Location https://zurich.impacthub.ch/space/bogen_d/ Viaduktstrasse 93, 8005 Zürich, Switzerland Visit our website https://webzurich.ch/ for more information about the Web Zurich community. This event is supported by Impact Hub Zürich, The global community of entrepreneurial people prototyping the future of business. At Impact Hub, you can connect, collaborate, co-work and create great content in an inspiring environment.

Central Ohio Radio Enthusiasts—CORE—is an informal community for anyone enthusiastic or curious about radio—whether you're new to radio and want to learn or you've been tinkering for years and want to share. Ham radio operators, GMRS users, Meshtastic fans, software-defined radio nerds, makers, and technical and non-technical folks are all welcome. No experience required or expected. This month we have **WiFi HaLow: Introduction and Practical Use** with **Alex Barbur**. Details are are [core.radio](https://core.radio).

The Humanist Monthly Program is our longest running event and still a community favorite. In the old days it used to be called "Going to HCCO" and we still like to think of it as our flagship event. We will be hearing from Becca Powell, Director of Advocacy and Outreach at Unchained At Last, an organization whose mission is dedication to ending forced and child marriage in the United States through direct services and systems change. Unchained At Last's mission clearly meshes and addresses several of our Humanist Ten Commitments. Becca will educate us about an issue many of us may not be familiar with--but should be. Food and drinks will be provided at the event. Feel free to show up a little bit early to hang out and talk. Going forward our meetings will be hybrid. You can meet us in-person or attend online Join Zoom Meeting [https://us02web.zoom.us/j/87836564953?pwd=4Mi57ElZkDIFlb1fnlNwOJ0NiOK4tP.1](https://us02web.zoom.us/j/87836564953?pwd=4Mi57ElZkDIFlb1fnlNwOJ0NiOK4tP.1) Meeting ID: 878 3656 4953 Passcode: 760812 One tap mobile +19292056099,,87836564953#,,,,\*760812# US (New York) +13017158592,,87836564953#,,,,\*760812# US (Washington DC) The formal presentation will start at noon

## **Columbus Bitcoin Meetup – Event** Join us for another great evening dedicated to Bitcoin, learning, and community. We will be gathering in the private room at Olentangy Brewery for an evening of conversation, education, and fellowship with fellow Bitcoiners. This special event will feature three guest speakers sharing insights from across the Bitcoin ecosystem. ### **Guest Speakers** **Lindsay Faust** Relationship Manager at River **Andrew Tilmann** CEO of the Midwest Bitcoin Summit **Carlos Estrada** Founder of Coin Vigilante In addition to speaking during the event, Andrew Tilmann will also be available for a meet and greet. This will be a great opportunity to ask questions about the upcoming Midwest Bitcoin Summit, taking place September 23 and 24 at the Columbus Convention Center. ### **Midwest Bitcoin Summit Discount** Early Bird pricing ends **April 1st**, but you can still save **21%** by using the promo code: **COLUMBUS** Use the link below to apply the discount: [https://tickets.midwestbtc.com/affiliate/columbusbitcoinmeetup/event/midwest-bitcoin-summit-2026/?promoCodeTask=apply&promoCodeInput=columbus](https://tickets.midwestbtc.com/affiliate/columbusbitcoinmeetup/event/midwest-bitcoin-summit-2026/?promoCodeTask=apply&promoCodeInput=columbus) ### **Event Details** This will be a three hour event, with speakers beginning just before 7:00 PM. There will be plenty of time afterward for networking, meeting new friends, and continuing the conversation. Food will be provided. We look forward to seeing you there! ***

http://photos2.meetupstatic.com/photos/event/2/a/9/6/600_348310902.jpeg Instructor - Crow, HPS Class fee is $30 at the door or approved exchange RSVP with Advance pay of $25 (discounted) by PayPal on the web or by contacting Enchanted Elements (614) 437-2642. Reservations made directly to Enchanted Elements will be added to the class list manually not online. Private Instruction ~ Closed to the Public ~ Initiated Members Only Please come prepared for ritual. Blessings ~ Crow

Mental Health, how do you understand it? How can you improve it? How do you get rid of stress, anxiety and uncertainty? These emotions are buried deep in your reactive mind. Find out what the reactive mind is, and in the process find yourself. Have you ever suffered from a traumatic experience, a deep loss or been through a painful breakup? Has your ability to communicate suffered as a result? And after that, even though you "moved on" did you find that things were never quite the same? Have you ever looked at childhood photos, or reminisced your early life and wondered where that happiness and spark went? Are your emotions out of your own control? Have you ever felt, even if you aren’t aware of it, that possibly you are getting in your own way of your happiness and success? How does this affect your self-confidence? Find out what is at the root of all stress, anxiety, depression and self-doubt. Find out how and why you hold yourself back from achieving your goals and having the life you have dreamed of. As soon as you learn what is at the root of these unwanted conditions, you’ll see it is something you can DO something about. You will not be labeled or categorized at this MeetUp. This group is hosted by the Dianetics and Scientology Life Improvement Center of Central Ohio.

TBA- We will do lunch before the play too! Tickets are on sale now only $20.