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Dan Mayer

@mayerdan.bsky.social
41 followers 155 following 79 posts

I really liked GeoCities

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Dan Mayer @mayerdan.bsky.social · 29/09/2026
I am currently printing out a hydroponic tower to grow some more lettuce makerworld.com/en/models/13...
makerworld.com
Modular Hydroponics Tower V2 - Free 3D Print Model - MakerWorld
Download this free 3D print file designed by Martin. Welcome to the V2 of my popular Modular Hydroponics Tower - seen here: Modular Hydroponics TowerWhat's so good about the Modular Hydroponics To...
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Dan Mayer @mayerdan.bsky.social · 08/08/2026
more excellent work from @byroot.bsky.social diving into hashes byroot.github.io/ruby/perform...
byroot.github.io
Shrinking Ruby Hashes
As you may know, one area of Ruby performance optimization that particularly interests me is memory usage. Given that most Ruby deployments rely on fork, improving Copy-on-Write performance is general...
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Dan Mayer @mayerdan.bsky.social · 08/08/2026
Most common prompt now is ok that looks good but now make it more concise.... Even though this is all over the Agent.md and various skills etc... I am constantly trying to make the AI be less verbose.
agent.md
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Jean Boussier @byroot.bsky.social · 06/08/2026
A history of Ruby's Hash tables, and how we can make them use less memory: byroot.github.io/ruby/perform...
byroot.github.io
Shrinking Ruby Hashes
As you may know, one area of Ruby performance optimization that particularly interests me is memory usage. Given that most Ruby deployments rely on fork, improving Copy-on-Write performance is general...
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Dan Mayer @mayerdan.bsky.social · 25/07/2026
I know every company is like we have never done PRs, and versions so fast... We are shipping all the time... but I am pretty tired of having software updates daily or more... Also, tired of being every apps beta tester as they ship without really even trying things out
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Dan Mayer @mayerdan.bsky.social · 22/07/2026
Interesting as AI changes the way we work, a meeting discussing IDEs most devs said they don't have strong opinions on IDEs and more use AI and whatever the company recommended IDE is.
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💫 Kerri Miller @kerrizor.bsky.social · 17/07/2026
🐕 Keela - case closed on dead code! Your Ruby codebase's forensic investigator: 🔍 6 strategies: methods, scopes, constants, delegates, attrs, i18n 🎯 Baseline mode - only bark at NEW dead code 📊 JSON output for CI The CSI dog finds what grep missed 🦴 github.com/kerrizor/keela/releases/tag/v0.2.0
github.com
Release v0.2.0 - The Nose Knows 🐕 · kerrizor/keela
🐕 Keela v0.2.0 - The Nose Knows Meet Keela — a code-sniffing springer spaniel who finds the unused code that other tools miss. Named after the famous "CSI dog" who could detect microscopic traces t...
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Dan Mayer @mayerdan.bsky.social · 18/07/2026
I finally have a stable proxmox with pihole, home automation, and some other stuff running. I was doing this on a old laptop before and it was so unstable it kept crashing and failing and killing the fun. I finally grabbed a mini pc for $200 and it has been awesome.
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Dan Mayer @mayerdan.bsky.social · 12/06/2026
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...
github.com
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...
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Dan Mayer @mayerdan.bsky.social · 10/06/2026
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.
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Dan Mayer @mayerdan.bsky.social · 07/06/2026
another Science Saturday activity, build and launching a model rocket. millermayersadventures.com/2026/06/07/s...
millermayersadventures.com
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…
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Dan Mayer @mayerdan.bsky.social · 07/06/2026
Science Saturday with the kids... To the moon. 500ft rocket kit parts recovered via parachutes
Before model rocket launch 
Model rocket launching
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Dan Mayer @mayerdan.bsky.social · 04/06/2026
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
hyperagent.com
Hyperagent
Hyperagent is the system of agents that does real work, learns how your organization operates, and deploys across your entire team.
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Dan Mayer @mayerdan.bsky.social · 27/05/2026
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.
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Dan Mayer @mayerdan.bsky.social · 24/05/2026
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
genabsurd.lovable.app
Sasquatch’s Galactic Gourmet — AI Mad Libs
An AI Mad Libs story about "Surprise". Read it and make your own!
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Dan Mayer @mayerdan.bsky.social · 21/05/2026
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
genabsurd.lovable.app
AI Mad Libs — Silly stories, illustrated
Generate a silly Mad Libs story, fill in the blanks, and watch AI illustrate the chaos.
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Dan Mayer @mayerdan.bsky.social · 20/05/2026
This is a great post on Ruby concurrency paolino.me/ruby-concurr...
paolino.me
Ruby Concurrency: What Actually Happens
Every 'what happens when' question about Ruby concurrency, answered with diagrams.
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Dan Mayer @mayerdan.bsky.social · 12/05/2026
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...
mayerdan.com
Daniel Mayer
Dan Mayer’s Dev Blog
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Dan Mayer @mayerdan.bsky.social · 10/04/2026
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.
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Dan Mayer @mayerdan.bsky.social · 06/04/2026
added a demo site to help show how to use and integrate memory map cache features memory-map-cache.onrender.com
memory-map-cache.onrender.com
Demo
Blazing fast, natively distributed inter-process caching for Ruby on Rails.
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Dan Mayer @mayerdan.bsky.social · 05/04/2026
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...
github.com
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.
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Dan Mayer @mayerdan.bsky.social · 12/03/2026
This is a good explanation of where things feel like they are headed at the moment. background-agents.com
background-agents.com
The Self-Driving Codebase
Background agents and the next era of enterprise software delivery.
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Dan Mayer @mayerdan.bsky.social · 28/02/2026
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
planetscale.com
Caching — PlanetScale
Every time you use a computer, the cache is working to ensure your experience is fast.
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Dan Mayer @mayerdan.bsky.social · 22/01/2026
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 ;)
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Dan Mayer @mayerdan.bsky.social · 17/01/2026
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
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Jared Norman @jardo.dev · 13/01/2026
we are winning the war on allocations andycroll.com/ruby/find-t...
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Dan Mayer @mayerdan.bsky.social · 09/01/2026
millermayersadventures.com/2026/01/08/s...
millermayersadventures.com
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…
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Dan Mayer @mayerdan.bsky.social · 23/12/2025
brooker.co.za/blog/2024/05... true
brooker.co.za
It's always TCP_NODELAY. Every damn time. - Marc's Blog
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Noel Rappin @noelrappin.com · 14/10/2025
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...
noelrappin.com
Ruby And Its Neighbors: Perl – Noel Rappin Writes Here
I just write here
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Dan Mayer @mayerdan.bsky.social · 14/10/2025
Ok, fall let's do this.
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Dan Mayer @mayerdan.bsky.social · 05/10/2025
My kids first opened on supporting school lunches millermayersadventures.com/2025/10/05/v...
millermayersadventures.com
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 …
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Dan Mayer @mayerdan.bsky.social · 05/10/2025
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.
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Dan Mayer @mayerdan.bsky.social · 04/10/2025
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
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Dan Mayer @mayerdan.bsky.social · 28/09/2025
New rhino in rino a nice setup on Denver by the river
Rhino climbing Rhino climbing Rhino climbing
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Peter Zhu @peterzhu.ca · 20/09/2025
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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Dan Mayer @mayerdan.bsky.social · 12/09/2025
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.
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John Nunemaker @johnnunemaker.com · 10/09/2025
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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Stan Lo @st0012.dev · 11/09/2025
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...
mahesh-hegde.github.io
Things you can do with a debugger but not with print debugging
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Dan Mayer @mayerdan.bsky.social · 10/09/2025
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
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JP Camara @jpcamara.com · 07/09/2025
🤣
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Jay 🦋 @jay.bsky.team · 04/09/2025
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.
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Reposted by Dan Mayer
Rosa @rosa.codes · 29/08/2025
🤩 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!
github.com
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...
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Reposted by Dan Mayer
John Nunemaker @johnnunemaker.com · 19/08/2025
“A good programmer is not someone who writes a lot of code, but someone who avoids unnecessary code.”
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Dan Mayer @mayerdan.bsky.social · 20/08/2025
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...
reddit.com
From the FortniteSwitch community on Reddit: Fortnite Switch has two sides-
Explore this post and more from the FortniteSwitch community
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Chris Arcand @chrisarcand.com · 01/08/2025
This is truly cursed, I love it, and I expect no less from @jhawthorn.com
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Dan Mayer @mayerdan.bsky.social · 27/07/2025
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.
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John Nunemaker @johnnunemaker.com · 24/07/2025
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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Dan Mayer @mayerdan.bsky.social · 25/07/2025
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
Tomatoes Peaches Peaches
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Dan Mayer @mayerdan.bsky.social · 11/07/2025
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.
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Dan Mayer @mayerdan.bsky.social · 21/06/2025
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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