Ram’s blog

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data-size="large" data-dnt="true">Tweet</a> </li> <li> <g:plusone></g:plusone> </li> </ul> </div> <div class="white-popup mfp-hide" id="subscribe_box"> <p> Choose wisely: </p> <ul> <li> <a href="https://feedburner.google.com/fb/a/mailverify?uri=RamRachumsBlog" target="_blank"> Subscribe to get <b> all posts </b> from Ram’s blog by email </a> </li> <li> <a href="https://feedburner.google.com/fb/a/mailverify?uri=RamRachumsBlog/planetpython" target="_blank"> Subscribe to get <b> only tech-related posts </b> from Ram’s blog by email </a> </li> </ul> </div> <div class='width_container index_page' id="everything"> <div width="100%" id="top_bar"> <h1> <a href="/"> Ram's blog </a> </h1> <div id="filler"></div> <div align="right" id="top_links"> <span class="small_hidden"> <a href="#" data-mfp-src="#subscribe_box" class="open-popup-link" id="subscribe_button">Subscribe by email</a> · </span> <a href="/archive">Archive</a> </div> </div> <div class="width_container width_breaker"> <h2 class="index_h2"> <a href="https://blog.ram.rachum.com/post/631666550733225984/gridroyale-a-life-simulation-for-exploring"> GridRoyale - A life simulation for exploring social dynamics </a> </h2> <h2><a href="#"> GridRoyale - A life simulation for exploring social dynamics </a></h2><p> Another day, another project :) </p><div class="center_image_container"><a href="https://github.com/cool-RR/grid_royale"><figure class="tmblr-full" data-orig-height="768" data-orig-width="600" data-orig-src="https://i.imgur.com/pmxEKnR.gif"><img src="https://64.media.tumblr.com/8af80b8c19135ba8737087221a718bff/f154f7bae512b079-30/s500x750/28febfdb109d0c41bf1df86612609343fc109a4c.gifv" data-orig-height="768" data-orig-width="600" data-orig-src="https://i.imgur.com/pmxEKnR.gif" width="500" height="640" alt="image" /></figure></a></div><p> This is a project that I wanted to do for years. I finally had the opportunity to do it. <a href="https://github.com/cool-RR/grid_royale"> Check out the GridRoyale readme on GitHub for more details and a live demo. </a></p><p> GridRoyale is a life simulation. It’s a tool for machine learning researchers to explore social dynamics. </p><p> It’s similar to Game of Life or GridWorld, except I added game mechanics to encourage the players to behave socially. These game mechanics are similar to those in the battle royale genre of computer games, which is why it’s called GridRoyale. </p><p> The game mechanics, Python framework and visualization are pretty good– The core algorithm sucks, and I’m waiting for someone better than me to come and write a new one. If that’s you, please open a pull request. </p> <div class="post_tags"> <a href="/tagged/planetpython" class="span"> #planetpython </a> <a href="/tagged/python" class="span"> #python </a> <a href="/tagged/open-source" class="span"> #open-source </a> <a href="/tagged/projects" class="span"> #projects </a> <a href="/tagged/machine learning" class="span"> #machine learning </a> <a href="/tagged/reinforcement learning" class="span"> #reinforcement learning </a> </div> <hr> <h2 class="index_h2"> <a href="https://blog.ram.rachum.com/post/629952546416541696/live-coding-a-music-synthesizer"> Live-coding a music synthesizer </a> </h2> <h2><a href="#"> Live-coding a music synthesizer </a></h2><p> After so much work and waiting, the video of my EuroPython talk is <a href="https://www.youtube.com/watch?v=SSyQ0kRHzis">finally released!</a></p><div class="center_image_container"><iframe width="560" height="315" src="https://www.youtube.com/embed/SSyQ0kRHzis" frameborder="0" allowfullscreen="allowfullscreen"></iframe></div><p> This is a fun live-coding session using <a href="https://numpy.org/">NumPy</a> and <a href="https://github.com/spatialaudio/python-sounddevice">SoundDevice.</a> The goal of this talk is to make the computer produce realistic-sounding instrument sounds, using nothing but math. </p><p> The talk starts with creating a simple sound using a sine wave. We gradually make it sound more like a real instrument, learning a little bit about music theory on the way. We add features one-by-one until by the end of the talk, we hear our synthesizer play a piece of classical music. </p> <div class="post_tags"> <a href="/tagged/python" class="span"> #python </a> <a href="/tagged/planetpython" class="span"> #planetpython </a> <a href="/tagged/europython" class="span"> #europython </a> <a href="/tagged/talks" class="span"> #talks </a> <a href="/tagged/open-source" class="span"> #open-source </a> </div> <hr> <h2 class="index_h2"> <a href="https://blog.ram.rachum.com/post/624430307333079040/quick-project-guitar-tuning-peg-turner"> Quick project: Guitar tuning peg turner </a> </h2> <h2><a href="#"> Quick project: Guitar tuning peg turner </a></h2><p> Here’s a cute 3D printing I did on a whim a couple of days ago. </p><p> I wanted to change the strings on my acoustic bass guitar, so I’ll have crisp sound on my upcoming talk <a href="https://ep2020.europython.eu/talks/4WLzSf3-live-coding-a-music-synthesizer/">Live-coding a music synthesizer</a> on EuroPython 2020. Do watch it, or watch the YouTube video after it’s released. </p><p class="read_more_container"><a href="https://blog.ram.rachum.com/post/624430307333079040/quick-project-guitar-tuning-peg-turner" class="read_more">Keep reading</a></p> <hr> <div id="bio"> <table> <tr> <td id="bio_picture"> <a href="https://ram.rachum.com"> <img src='https://ram.rachum.com/evilcorp/images/RamRachum.png' width="60" height="60"></img> </a> </td> <td id="bio_text"> <div id="bio_name"> <a href="https://ram.rachum.com"> Ram Rachum </a> </div> <div id="bio_description"> <p> I'm a software developer based in Israel, specializing in the Python programming language. I write about technology, programming, startups, Python, and any other thoughts that come to my mind. </p> <p> I'm sometimes available for <a href='https://chipmunkdev.com'>freelance work in Python and Django</a>. My expertise is in developing a product from scratch. </p> </div> </td> </tr> </table> <hr> </div> <p class="paginate"> Page 1 of 36 <b> · </b> <a href="/page/2">Older posts</a> </p> </div> <div id="fb-root"></div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script src="https://ram.rachum.com/evilcorp/bootstrap/js/bootstrap.min.js"></script> <script src="https://ram.rachum.com/evilcorp/magnific-popup/jquery.magnific-popup.js"></script> <script type="text/javascript" src="//www.googleadservices.com/pagead/conversion.js"></script> <script src="https://apis.google.com/js/platform.js" async defer></script> <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/prettify/r298/run_prettify.js"></script> <script type="text/javascript"> /////////////////////////////////////////////////////////////////////// // // // Hide Header on on scroll down var didScroll; var lastScrollTop = 0; var delta = 5; var navbarHeight = $('#top_bar').outerHeight(); 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