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Show HN: Degen Raffle – A raffle built on Ethereum https://ift.tt/2UTVCsP

Show HN: Degen Raffle – A raffle built on Ethereum Hey HN! I've been working on this idea off and on for a few weeks now and I figured it was time to show it to folks before continuing to build it out any further (hence the terrible UI). The idea is this: A smart contract that allows players to win the tokens in the contract in proportion to the number of tokens they've depositing into the smart contract. For example, if you and another player enter a round with 1 token each, you both have a 50/50 shot of winning the other's token. Here's the catch. Anyone can end the round at any moment, even people who haven't deposited any tokens. The contract is currently deployed to Rinkeby and I currently hold all of the Degen Raffle Tokens (DRT) needed to enter the raffle. If you're interested in playing, let me know and I'll send you a few million. https://ift.tt/3zpITx9 August 28, 2021 at 11:41PM
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Show HN: Grokkoli – an individualized/adaptive math-tutoring web app https://ift.tt/3ztH8is

Show HN: Grokkoli – an individualized/adaptive math-tutoring web app Hi All - I'm Eric, and I’ve been working on a math-tutoring application that continually adapts to a child’s learning needs as they answer questions: www.grokkoli.com/beta (introduces new concepts in granular steps, figures out where/how learners might be confused & attempts to resolve it, speeds kids past the stuff they understand clearly, tracks their recall, answer-speed, and more). Currently in beta, looking for families with kids in grades 1-6 to beta-test. Especially interested in taking on families that are finding math to be a challenge. Happy to share more details if needed (still assessing the level of detail most considerate/appropriate on HN). All feedback is welcome. August 28, 2021 at 01:05AM
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Show HN: With a 9-5 job and 2 kids I have finally finished my first MVP https://ift.tt/3BlD5W9

Show HN: With a 9-5 job and 2 kids I have finally finished my first MVP Hello HN crowd. I worked on this project on weekends and evenings. I'm excited I made it into a presentable MVP, and it is so satisfying. I would like to get some honest feedback from this great community. I made https://ift.tt/3sPW7AF, to scratch a personal itch. I myself trade options as a hobby, and I didn't find a screener that satisfies my need to be able to explore raw options data freely and without preset constraints. So I made this app that allows playing with options market data and extract interesting opportunities. The techs used: - Laravel + Jquery + Mysql - Tradier API for market data - DigitalOcean for hosting - OVH for domain name It costs me 5$/month to run the website. I'll be glade to continue if it proves to be a viable product in the long run and maybe I will take it to the next level and try monetize it. Note: the app is not suitable for phone screens yet, although this is a planne...
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Show HN: The Cloud Resume Challenge Book https://ift.tt/3gBHtIn

Show HN: The Cloud Resume Challenge Book Since April 2020, the Cloud Resume Challenge [0] has helped hundreds of people • skill up on cloud, • improve their career prospects, • and even land cloud jobs from totally non-tech fields like plumbing and HR. I ended up turning the challenge into a book to help the next generation of folks transition to cloud, and I'm very excited to launch it today! [1] What’s inside the ebook: ° 130+ pages of tools, tips, and bonus projects • The secret “17th step” that makes your project stand out above the crowd • How to write a challenge blog post that will get the right kind of attention • Four all-new bonus projects covering AWS, Kubernetes, and more • Proven challenge-to-job strategies for both career-changers and upskillers • Case studies from challenge champions: how they got hired, what they learned Plus, you get free access to my regular “Best Jobs in Cloud” newsletter [2], featuring curated job opportunities for both juniors and seniors - a $...
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29 Sunset Improvement Project Relaunched

29 Sunset Improvement Project Relaunched By Shalon Rogers Improvements are on the horizon for one of the longest bus routes in the Muni system. As part of the 29 Sunset Improvement Project , the SFMTA is conducting a survey to gather feedback and ideas on how to improve the 29 Sunset.  At the beginning of 2020, the SFMTA’s 29 Sunset Improvement Project was ready to kick-off a year-long outreach program. However, the COVID-19 pandemic  delayed the project and priorities were shifted to developing and implementing Temporary Emergency Transit Lanes (TETL) and service changes to respond to COVID and then restore service on Muni routes incrementally over the past year and a half.  We’re excited to relaunch community outreach for the 29 Sunset Improvement Project, starting with a multilingual survey that is both online and over text message. We will also conduct additional outreach to different users of this route including students, service workers and groups that rep...
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Show HN: Casa – a place for creators (from artists to programmers) https://ift.tt/3sVePqV

Show HN: Casa – a place for creators (from artists to programmers) Hey everyone, We were once creators that had to quit because it was hard to monetise & grow in the early days. So we've built a platform for creators to create a website and offer direct engagement to their follower base. Here's an example of the profile: www.trycasa.app/dhruv Would be great to get some of you signed up at www.trycasa.app for feedback. This is useful for the following group: -Artists who are looking to monetise their followers -Developers looking to freelance or teach directly to their network. -Sales/Marketing folks looking to help small businesses grow. -3D freelancers that are looking to engage directly with their following or grow it. -Anyone that is trying to become their own business and easily create a platform for themselves. August 24, 2021 at 06:22PM
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Show HN: Hacker News Summary Service (HNSS) https://ift.tt/384PxwU

Show HN: Hacker News Summary Service (HNSS) I'm Sid Sijbrandij and I love reading Hacker News. I almost always read the comment section and when there is a summary of the article in there that is frequently helpful. But most articles don't have a summary so I want to hire someone to create more summaries. I hope that this will make Hacker News more enjoyable and efficient to use for its readers. Many times it takes a while to figure out what the article is about, a summary would allow people a quick way to see if they are interested in investing that time. There are potential downsides: 1. People only read the summary and not the full article. 2. The summary might not be clear or correct. 3. People who already read the article don't want to see the summary. With a one month experiment we should have a better idea if HNSS is worth it. If it is here to stay we can also see if the summary can become an official part of HN. The writer of the summaries should: 1. Be able to do t...
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Then and Now: Keeping the Cable Cars on the Move

Then and Now: Keeping the Cable Cars on the Move By Jeremy Menzies When Andrew Hallidie’s first cable car climbed Nob Hill on Clay Street in August 1873, the cars were a brand-new technology to replace the horse-drawn streetcars used at the time. Little did he know that 148 years later, cable cars would still be scaling the steep slopes of Nob Hill. Many of the methods used to maintain and operate the cars to this day harken back to the golden era of cable cars in the late 1800s. As we ramp up for the return of revenue service on San Francisco’s beloved cable cars, check out the images below for a look at just some of the behind-the-scenes work keeping the system running, both then and now. Keeping up the Cars Maintaining the cars on a regular basis is vital to keeping them safe, operable and looking good for the tens of thousands of people who ride them. At the Cable Car Division shops, mechanics, carpenters and painters perform routine maintenance, make repairs and brig...
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Show HN: FreeBoardGames.org – FOSS platform for publishing boardgame.io games https://ift.tt/2W92N0z

Show HN: FreeBoardGames.org – FOSS platform for publishing boardgame.io games Hello HN, I have started FBG some years ago when I moved to the Bay Area and could not find a simple, cross-platform, no-registration way to play board games with my friends back in my home country. I also wanted to make it simple to create multiplayer board games online for developers in their free time. Shortly after, I found out about boardgame.io with similar goals and decided to join forces with them. It became the engine of our board games, and we focused on publishing/serving them. To be fair with everyone and inspired by Wikipedia, we made the project a non-profit with GPLv3 Affero license. Since then, the project has gotten many amazing contributors that developed really cool board games, added translations, helped with infra, etc (see https://ift.tt/3glVHNr ...). My focus has been on the infrastructure (scaling, adding text chat, etc). During the pandemic, we saw a large 30x increase in usage, and i...
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Show HN: Cassyni – Relaunching Academic Seminars https://ift.tt/3y5b3fh

Show HN: Cassyni – Relaunching Academic Seminars Hi, this is Andrew (arhpreston) and Ben (benjyk) from Cassyni ( https://cassyni.com ). We both completed PhDs in physics before going on to found Publons and Kopernio, companies that were acquired by -- and became a part of -- Web of Science, a product researchers on HN may be familiar with. It is well known how important academic seminars are for networking, promoting your research, and keeping up with latest developments. But the scale is under-appreciated: by our estimates more than 1 million academic seminars were happening every year. And then Covid came along... As a result many seminar series are now online and recorded using solutions that cobble together tools like Zoom, Google Sites and Sheets. This all more or less works but is painful and time consuming to operate. Our co-founders, researchers at Imperial College London and Texas A&M, experienced this firsthand. With their input we set out to build a tool to take the pain...
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Thanks for Keeping Your Mask On

Thanks for Keeping Your Mask On By Jonathan Streeter Throughout the COVID-19 pandemic, Muni customers have consistently demonstrated a strong willingness to comply with health safety mandates, in particular with wearing masks .  As a reminder, the Federal requirement to wear a mask while riding, boarding and waiting for Muni vehicles remains in place, and has been extended until January 18, 2022 . Everyone over the age of two is required to wear a mask, regardless of vaccination status. We are grateful for the cooperation of everyone involved, as it lowers the risks associated with the spread of the virus, not only for Muni customers, but also for vehicle operators, maintenance crews and others.  If you haven’t already received a vaccination, we encourage you to explore the resources available in San Francisco as well as in other locations . Thanks for helping to keep your transportation system as safe as we can for everyone. Published August 19, 2021 at 10:13PM htt...
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Show HN: BrainTool – Beyond Bookmarks, a Topic Manager for your online life https://ift.tt/3k2pV9r

Show HN: BrainTool – Beyond Bookmarks, a Topic Manager for your online life Long time looker, first time Show-er here! I built the initial BrainTool to scratch a personal itch - to unify my bookmarks and online resources with text-based notes. I've spent the last several months iterating on it with feedback from early adopters and UX volunteers. It's finally at the point where I feel confident enough to seek this communities feedback. BrainTool is a browser extension that makes it easy to save pages of interest into a personal 'topic' hierarchy, along with associated notes. Your topics are shown in an editable side panel which can also control the browser - opening and closing tabs, tab groups and windows by topic. There's a 90 sec intro video here: https://youtu.be/7zvyvATpoVM The above by itself makes BrainTool one of the handiest bookmarks/tabs/browser managers around, but the kicker is that all your data is stored in a separately editable org-mode[1] format plai...
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