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Learn faster! github.com/rsml/tutor
Just open sourced this project that's helps me learn just about anything faster.
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Ross Miller
229 posts
Ross Miller
@rossmllr
I like to build useful things
Nashville, TN Katılım Temmuz 2025
210 Takip Edilen124 Takipçiler
@shloked Looks nice. I had the same frustration but solved it a different way: rossmiller.dev/tutor/ (scroll down to “03. Read” section)
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I've been frustrated with the linear chat experience for learning, so I used Fable to help rethink it.
Introducing Rabbithole 🐇, an infinite canvas where you can select anything, ask anything, and your questions branch instead of stack.
This lets you pull on a thread until your curiosity is satisfied, then easily step right back to where you started.
Completely changed the way I learn with AI.
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App is available!
apps.apple.com/us/app/chord-c…
You can try the web version here: chordcolors.com
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Music theory feels hard because it’s abstract and academic. I’m on a mission to make it interactive and fun.
iOS app out soon. DM if you want to beta test. Follow for updates.
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Update: Apple says they fixed it! youtube.com/live/hF8swzNR1…
YouTube
Ross Miller@rossmllr
Border radius inconsistency is more noticeable on macOS Tahoe across apps From left to right here are the border radiuses on the latest version of • @cursor_ai • Ghostty (@mitchellh) • @googlechrome • Xcode (same as Finder and other apple apps). Looks like squircle corners
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Anyone who surfed the early web between 1995-2010.
What’s the one website/app you still think about?
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@Street_Rat_Ali @ChristianSelig On Gen 4 I just tap on the side of the bed to turn it off. Same place you tap to raise/lower temp
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@ChristianSelig It’s great but needing your phone to turn of your bed alarm is wild
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Genuinely curious how Eight Sleep is
- Loved despite ton of gripes
- Has zero competitors (that use water)
Quinn Nelson@SnazzyLabs
I loved my Eight Sleep, but the pricing was insane, the subscription was predatory, and I had TWO units leak water all over (Pod 3/4). I ditched it, but always kinda missed it. So I bought this: an archaic/ugly alternative but uses air, is 1/4 the price, & has NO subscription.
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@tsapeta Congrats on the big release! Sounds like we'll have more understandable stack traces now too!
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Really proud of this release 🥹 The changelog only has a small blurb on the iOS native modules, but it was a huge rewrite — Swift now talks to JSI directly via Swift/C++ interop, no more Objective-C++ middle layer. Fewer language boundaries to cross, less overhead, faster calls ⚡️
Full write-up coming soon.
Expo@expo
We just cut the SDK 56 beta 😅 ◆ 50%+ faster iOS builds (precompiled XCFrameworks) ◆ 40% faster cold starts on Android ◆ Expo UI is stable ◆ iOS widgets are stable ◆ expo-router rebuilt from scratch ◆ Inline native modules ◆ Brownfield multi-app support The obvious themes are speed and stability. But there are a lot of other interesting changes (like Expo Router decoupling itself form React Navigation). Get all the nuance and detail in the changelog below ↓
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/skill-creator is not a great skill name
/create-skill is better
Because as your skills grow you may eventually have
/create-mcp, etc
Typing /create should autosuggest all of your creation skills
verb+noun also better matches how english speakers give commands
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@cathrynlavery Fish is non-POSIX is that ever an issue? For instance do you have to prompt Claude code to always write python3 over shell scripts?
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your terminal in 4 upgrades:
1. ghostty — the terminal itself. fast, native, beautiful. finally one worth using.
2. tmux — sessions that survive anything. split panes, detach, come back later like nothing happened.
3. fish — autocomplete that actually works. syntax highlighting. no config needed.
4. starship — a prompt that shows you what matters (git branch, exit codes, env) without slowing you down.
use: brew install tmux fish starship + ghostty .org
your future self will thank you
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@polymorph3us @tannerlinsley Thanks for the reply. Yeah I saw that tweet and have come around and starting to use Effect in a new project to evaluate it
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@coding_ross @tannerlinsley What if Effect actually uses fewer tokens, not more? x.com/polymorph3us/s…
polymorpheus@polymorph3us
@RhysSullivan All four of those libraries still wouldn’t give you pipelining. The beauty of the diff on the right side is that it’s one line, declarative, compositional, and thus token-efficient. Effect has no equal in TS.
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This. 👇💯
If AI is going to write real software, it needs real constraints.
Type safety isn’t a nice-to-have, it’s the feedback loop that makes AI output maintainable. That’s exactly why we built TanStack Router and TanStack Start the way we did.
Love seeing teams bet on types over vibes.
Michael Francis@MFrancis107
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AI book form factor I'm building:
- AI writes books just for you
- One chapter at a time teaching specific concepts
- Quick digestible chapters (5-10 minutes of reading)
- At the end of each chapter you can give feedback on that chapter
- After you answer that question it generates the next chapter
- While generating there is an optional quiz (3 questions or so to see how well you retained the important info in that chapter and to help with memory)
- Click on any sentence to slide out a view where you can chat with AI for further explanation. When you are done chatting to return back to where you left off
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Because of AI:
- Legacy companies are going to be shedding a lot of jobs
- Many very small startups are going to be forming and making a lot of money
What we should be doing:
- Practice thinking big and building ambitious things as if the speed/cost of shipping code was no longer an impediment
- Re-skill or up-skill to become useful to these emerging startups
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Interesting I will look for his two versions and do more reading. I still have time to change my mind and am very open to reconsider.
My other concerns are
- AI confidently mixing up things like .map vs .flatMap. But I see the llm.txt can help with that.
- Additional cognitive burden + learning curve for developers already juggling a complex AI harness codebase. But perhaps Effect can reduce the need for some of the existing complexity to offset that
- Getting locked-in to a very opinionated library. But I will take the plunge if I become convinced of the benefit
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Free to decide against but it's actually the opposite on all of those points, Effect is great with LLMs due to guardrails and feedback loops plus it is old enough to be well trained on and an Effect codebase is way less verbose than the same code done without Effect and with feature parity, I think @RhysSullivan lately made two versions of the same apps with and without and the difference is obvious
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@polymorph3us @tannerlinsley - Typed failures + typed dependencies
- Structured concurrency via fibers + cancellation
- Resource safety via scopes / acquire-release
- Built-in retry/scheduling primitives
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@coding_ross @tannerlinsley You've listed the downsides. What are the upsides?
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Perhaps. But Effect has real downsides you have to weigh such as:
- it’s verbosity uses extra tokens
- way less represented in training data for LLMs
- PRs take longer for humans to review due to verbosity
I personally decided again Effect. Instead I’m solving for correctness via TDD, small modules, low coupling via DI and hexagonal architecture, etc
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@tannerlinsley Is this an argument for effect? Errors become values. Even programs themselves become values.
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When code is cheap, correctness and coherence are the bottleneck.
That's why my AI Harness is specifically designed to optimize for correctness and coherence. This is what will allow it to build and maintain very sophisticated codebases.
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Free app idea I'd pay for:
• On-demand AI-generated educational books personalized to your experience level and learning style + a decent reading mode.
• ChatGPT is awful for reading long content. Asking a question about a passage means losing your place.
Killer UX for AI-book reading:
• You can ask a question about any passage.
• Side panel or popup appears to answer your question and any follow up questions.
• Once you dismiss you're back to where you left off in the book.
Anyone building this?
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