Dan Mayer
@mayerdan.bsky.social
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📥 155
📝 72
I really liked GeoCities
This is a pretty cool fully local AI tool to slice up a longer video into shorts / highlights, cool usage of the recent small and powerful local LLM models from Google (gemma4)
github.com/mutonby/shor...
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GitHub - mutonby/shortcast: Native macOS app: drop a long video → auto-cut viral shorts, captioned for TikTok/Reels/YouTube, reframed to vertical, and scheduled. 100% on-device (Gemma 4 12B + WhisperK...
Native macOS app: drop a long video → auto-cut viral shorts, captioned for TikTok/Reels/YouTube, reframed to vertical, and scheduled. 100% on-device (Gemma 4 12B + WhisperKit + MLX). - mutonby/shor...
https://github.com/mutonby/shortcast
18 days ago
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It's weird now when you get some very solvable problem that software can do... you either get a bunch of established big company packages (Adobe acrobat PDF) for example or give it to any AI bot and it can do the simple task... We have been overcharged for basic format conversion forever.
20 days ago
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another Science Saturday activity, build and launching a model rocket.
millermayersadventures.com/2026/06/07/s...
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Science Saturday: Roto Rocket™ STEM Kit
Estes Rockets My grandfather worked for NASA and helped build rockets, so this was a fun activity for me. I always enjoyed model rockets as a kid, and I finally got to share that passion with my ow…
https://millermayersadventures.com/2026/06/07/science-saturday-roto-rocket-stem-kit/
23 days ago
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Science Saturday with the kids... To the moon. 500ft rocket kit parts recovered via parachutes
23 days ago
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it's been fun to play with an learn more about n8n, openclaw, and hyperagent... If you haven't tried it I highly recommend hyperagent for building quick scheduled repeatable AI workflows with a bunch of nice off the shelf integrations. if interested my referral link:
hyperagent.com/refer/LSP7276C
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Hyperagent
Hyperagent is the system of agents that does real work, learns how your organization operates, and deploys across your entire team.
https://hyperagent.com/refer/LSP7276C
26 days ago
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A funny thing happened, AI rejected an ADR. An effective way of building an ADR document write it w/ one AI, then have it evaluated & give feedback by another. For the first time opposed to the evaluation AI helping me improve the ADR, it convinced me to reject it and propose a different strategy.
about 1 month ago
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lovable is pretty fun to build out little toy apps. My kids have been having fun with the mad libs generator
genabsurd.lovable.app/s/kvbcry7r
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Sasquatch’s Galactic Gourmet — AI Mad Libs
An AI Mad Libs story about "Surprise". Read it and make your own!
https://genabsurd.lovable.app/s/kvbcry7r
about 1 month ago
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playing around with some different AI editors, I mostly use Claude code, but wanted to quickly try out lovable given how much love it gets... AI Mad Libs with illustrations of the silly stories.
genabsurd.lovable.app
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AI Mad Libs — Silly stories, illustrated
Generate a silly Mad Libs story, fill in the blanks, and watch AI illustrate the chaos.
https://genabsurd.lovable.app/
about 1 month ago
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This is a great post on Ruby concurrency
paolino.me/ruby-concurr...
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Ruby Concurrency: What Actually Happens
Every 'what happens when' question about Ruby concurrency, answered with diagrams.
http://paolino.me/ruby-concurrency-what-actually-happens/
about 1 month ago
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My time with Shopify has come to an end. I'm now looking for my next opportunity. If you have worked with me in the past & know of a position that might be a good fit, reach out. I still love Ruby, distributed teams, & building software that matters. updated resume
www.mayerdan.com/resume_markd...
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Daniel Mayer
Dan Mayer’s Dev Blog
https://www.mayerdan.com/resume_markdown
about 2 months ago
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learning 3d printing with my kids has been a good time. We all enjoy printing things and I have enjoyed doing some 3d modeling and using it to help out with some DIY projects around the house. Also, while not very good yet, the fact that you can 3d print shoes is just very cool.
3 months ago
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added a demo site to help show how to use and integrate memory map cache features
memory-map-cache.onrender.com
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Demo
Blazing fast, natively distributed inter-process caching for Ruby on Rails.
https://memory-map-cache.onrender.com/
3 months ago
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New Cache store, memory mapped cache that provides memory map cross process caching for single servers, along with support for layered cache to remote cache rings.
github.com/danmayer/mem...
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GitHub - danmayer/memory-map-cache: an example of a memory mapped cache
an example of a memory mapped cache. Contribute to danmayer/memory-map-cache development by creating an account on GitHub.
https://github.com/danmayer/memory-map-cache
3 months ago
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This is a good explanation of where things feel like they are headed at the moment.
background-agents.com
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The Self-Driving Codebase
Background agents and the next era of enterprise software delivery.
https://background-agents.com/
4 months ago
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This is a great post on thinking about caching, I love all the animations and visualizations they use to make the concepts crystal clear
planetscale.com/blog/caching
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Caching — PlanetScale
Every time you use a computer, the cache is working to ensure your experience is fast.
https://planetscale.com/blog/caching
4 months ago
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Nice I programmed with my kid (in C) to get a robot that shoots nerf darts to randomly spin and pause and fire. So now we can play a game where we all run or try to doge the robot nerf attacker ;)
5 months ago
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This is so true I was moving over txt to speech to use Google Vertex and sorting out auth took 5 times longer than the new code service. Even AI couldn't help with auth and would give 10 step directions for manual human click and navigate steps to try to get the right auth and permissions
add a skeleton here at some point
5 months ago
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Dan Mayer
Jared Norman
6 months ago
we are winning the war on allocations
andycroll.com/ruby/find-t...
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millermayersadventures.com/2026/01/08/s...
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Science Saturday: Crunchlab’s Turret
My kids found Crunchlabs on youtube and then nextflix, and my son really wanted to get a hack pack subscription for Christmas, so we did. The first hack pack delivery was the IR Turret and it was a…
https://millermayersadventures.com/2026/01/08/science-saturday-crunchlabs-turret/
6 months ago
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brooker.co.za/blog/2024/05...
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It's always TCP_NODELAY. Every damn time. - Marc's Blog
https://brooker.co.za/blog/2024/05/09/nagle.html
6 months ago
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Dan Mayer
Noel Rappin
9 months ago
And here's a newsletter/blog post
noelrappin.com/blog/2025/10...
Part one of a likely two-part series about the languages that influenced Ruby. This time, Perl, with all of its shortcuts and syntax quirks. The things Ruby took and the things Ruby left behind...
add a skeleton here at some point
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Ok, fall let's do this.
9 months ago
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My kids first opened on supporting school lunches
millermayersadventures.com/2025/10/05/v...
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Vote Yes on LL and MM in Colorado this November
Theo published his first Op-Ed in the Westword today. He’s a 3rd grader in DPS and a supporter of universal school meals based on his first-hand student experience. He drafted the op-ed in …
https://millermayersadventures.com/2025/10/05/vote-yes-on-ll-and-mm-in-colorado-this-november/
9 months ago
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OK, it is that time again looking for some fun sci fi book recommendations. Futurism, Solar Punk, etc... Favorites murder bot, the martian, lock-in / head on, old Michael Crichton.
9 months ago
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Claude code is really good at ffmpeg command line options... Give it a bunch of photos and music and some suggestions about timing etc and it can stitch everything together nicely. Easily handling multiple formats, sizes, orientation, etc
9 months ago
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New rhino in rino a nice setup on Denver by the river
9 months ago
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Dan Mayer
Peter Zhu
9 months ago
Friday was my last day of an incredible journey at Shopify. In the past 5 years, I had the privilege of working on some cutting edge projects to advance Ruby with some of the most talented and well-known developers. Shopify will always have a very special place in my heart.
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I have been learning more about hardware and electronics repair. I disassembled my gardyn towers and put in a diy replacement for the water pump, now I bypassed the fried motherboard, cameras, and sensors to put the grow lights on a simple timer. Cutting energy use about in half in the process.
10 months ago
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Dan Mayer
John Nunemaker
10 months ago
Good architecture is invisible until it saves you. Great example is flipper’s adapter pattern. Can move from db to cache to whatever storage you want with little effort.
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Dan Mayer
Stan Lo
10 months ago
Invest some time to set up the debugger for your project, and document how to use it. You don’t have to debug everything with it, but having it available will save you a lot of time when you do need it.
mahesh-hegde.github.io/posts/what_d...
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Things you can do with a debugger but not with print debugging
https://mahesh-hegde.github.io/posts/what_debugger_can/
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It is amazing what we can train ourselves to expect. I wear noise cancelling headphones to keep things quiet while working, but I am so use to them I find out of habit I put them on even when my space is entirely silent, as it triggers focus mode just having them on
10 months ago
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Dan Mayer
JP Camara
10 months ago
🤣
add a skeleton here at some point
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Dan Mayer
Jay 🦋
10 months ago
Bluesky loves links — we don’t downrank or deprioritize posts with links in them, and as a result they get higher traffic, so lots of people post them.
add a skeleton here at some point
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Dan Mayer
Rosa
10 months ago
🤩
github.com/rails/rails/...
github.com/puma/puma/pu...
At
@tropicalonrails.bsky.social
,
@fxn.bsky.social
and I talked about the very cumbersome Rack::BodyProxy way of doing stuff once the response body has been closed, as my talk about the executor spent some time explaining it.This is much nicer!
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Add support for `rack.response_finished` callbacks in `ActionDispatch::Executor` by adrianna-chang-shopify · Pull Request #55425 · rails/rails
Motivation / Background The executor middleware now supports deferring completion callbacks to later in the request lifecycle by utilizing Rack's rack.response_finished mechanism, when availabl...
https://github.com/rails/rails/pull/55425
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Dan Mayer
John Nunemaker
10 months ago
“A good programmer is not someone who writes a lot of code, but someone who avoids unnecessary code.”
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My kid and I play fortnite together and the switch2 basically wasn't even usable for fortnite, something is seriously broken... Some folks still think it is a myth.
www.reddit.com/r/FortniteSw...
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From the FortniteSwitch community on Reddit: Fortnite Switch has two sides-
Explore this post and more from the FortniteSwitch community
https://www.reddit.com/r/FortniteSwitch/comments/1mug3f1/fortnite_switch_has_two_sides/
10 months ago
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Dan Mayer
Chris Arcand
11 months ago
This is truly cursed, I love it, and I expect no less from
@jhawthorn.com
add a skeleton here at some point
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LOL, no one seemed to want to hear about gardening... So I guess I will need to write about tech again... Well I got one shot, fairly good consistent characters, working so perhaps I can write a post about that.
11 months ago
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Dan Mayer
John Nunemaker
11 months ago
Rack middleware is so awesome. I love the idea of adding to the env for downstream consumers. flipper and flipper cloud do it like crazy to work together efficiently. Just added a middleware to tag all appsignal requests with the requesting flipper gem version, ruby version, etc.
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My motivation on tech blogging got killed, got a lot of anger for posts about AI and using AI images for blog images... So I haven't been on social much either... Anyways, not ready to blog about tech again yet but do folks want to hear about gardening at all? Today's tomato and peach harvest
11 months ago
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what is the first tech you remember getting super excited about and then it just disappeared into a dead path of tech history. I think of XSLT for XML... I wasted a good portion of time (and my youth) trying to force it into a bunch of projects that didn't need it.
12 months ago
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I tried making some videos to show what the AI book builder could do, but while it got the idea, it didn't seem to be able to pull in any of the screenshots or real-world UI I gave it as context. Anyways, first attempts using Google's Veo 2 generator. It was supposed to promote
app.pretheory.com
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about 1 year ago
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Dan Mayer
Jorge (he/him)
about 1 year ago
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Dan Mayer
Thomas Cannon
about 1 year ago
@flippercloud.io
wins again! Discovered a bug in a new UI we’re rolling out on a Friday afternoon. Rather than rush for a fix (and introduce other bugs) we can simply…roll back the change and figure it out next week.
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Dan Mayer
Aaron Patterson
about 1 year ago
I will write a blog post about this when the PR lands, but Ruby 3.5 should have 6x faster object allocation
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ok, folks, my old Kindle bit the dust... I am going to get a new one, Do you have any thoughts on the color Kindle? Scribe? or just paperwhite?
about 1 year ago
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how is it no one is making guitar hero or rock band games anymore? I blame the split where they were both just oversaturating market imploded... But I wanted to introduce it to my kids and realized there are no games with instruments like that anymore... I am sure there is still a market for it.
over 1 year ago
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Dan Mayer
John Hawthorn
over 1 year ago
@byroot.bsky.social
@bihi.bsky.social
Very happy to deprecate my library thanks to all your work on JSON 🎉
github.com/jhawthorn/ra...
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More explicitly recommend json · jhawthorn/rapidjson-ruby@9292377
https://github.com/jhawthorn/rapidjson-ruby/commit/92923771cbbdb94c6eac4eb4b602ef4724ee44a5
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Dan Mayer
Aaron Patterson
over 1 year ago
I wrote a blog post about how we can make FFI faster in CRuby
railsatscale.com/2025-02-12-t...
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Tiny JITs for a Faster FFI
Can we have a faster FFI for CRuby? Yes.
https://railsatscale.com/2025-02-12-tiny-jits-for-a-faster-ffi/
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reposted by
Dan Mayer
Marty Haught
over 1 year ago
Tonight is Boulder Ruby with two fantastic talks lined up: 💫 Landon Gray: "Jupyter notebooks with Ruby" 🔌 Anthony Eden: "From Stalled to Supercharged" 📅 👉 RSVP:
lu.ma/e37ect5e?tk=...
Thanks to
@github.com
,
@dnsimple.bsky.social
, MojoTech,
@fastly.com
, and
@gustohq.bsky.social
for sponsoring!
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Boulder Ruby Feb 2025 Presentation Night · Luma
Join us at our monthly gathering where we present topics of interest to Rubyists and aspiring programmers. Doors open at 6:00pm, where you can hangout and…
https://lu.ma/e37ect5e?tk=quWELa
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