Hacker News: functional_dev

New comment by functional_dev in "I still prefer MCP over skills"

functional_dev — Fri, 10 Apr 2026 14:27:36 +0000

actually local MCP just spawns a subprocess and talks via stdin/stdout.. same as CLI tool. Extra layer is only for remote case.

This might help if interested - https://vectree.io/c/implementation-details-of-stdio-and-sse...

New comment by functional_dev in "We've raised $17M to build what comes after Git"

functional_dev — Fri, 10 Apr 2026 14:15:56 +0000

You are right, PRs are not in git. format-patch and request-pull are originals designed for mailings lists. Github just put UI on top.

Interesting that DAG model means any branch from anywhere can be merged... the forge is just coordination.

Explored here if curious - https://vectree.io/c/git-graph-theory-logic

New comment by functional_dev in "A new trick brings stability to quantum operations"

functional_dev — Fri, 10 Apr 2026 13:46:23 +0000

The ETH article title is actually fine - "a new trick brings stability."

The hype is in the HN title.

New comment by functional_dev in "Who is Satoshi Nakamoto? My quest to unmask Bitcoin's creator"

functional_dev — Thu, 09 Apr 2026 10:02:36 +0000

true, but reading this made me learn something new.

Turns out HashCash (system Bitcoin borrowed), was originally built to fight email spam in 1977 - https://vectree.io/c/hashcash-the-proof-of-work-system-cited...

New comment by functional_dev in "ML promises to be profoundly weird"

functional_dev — Thu, 09 Apr 2026 09:39:51 +0000

I like the garden analogy.

Writing online used to bring you readers. Now it trains model, which answers the same questions without sending anyone to your site.

New comment by functional_dev in "Ask HN: Any interesting niche hobbies?"

functional_dev — Wed, 08 Apr 2026 18:24:11 +0000

really cool, data pipeline alone sounds like fun challenge

New comment by functional_dev in "ML promises to be profoundly weird"

functional_dev — Wed, 08 Apr 2026 18:22:49 +0000

better tooling and integration

New comment by functional_dev in "Peptides: where to begin?"

functional_dev — Wed, 08 Apr 2026 17:04:45 +0000

Did you try increasing protein intake during the cut?

New comment by functional_dev in "Git commands I run before reading any code"

functional_dev — Wed, 08 Apr 2026 16:55:49 +0000

I found it interesting, that Git itself has built in similarity notion... when it packs objects, it groups files by path+size, runs delta cmpression to find which are close.

Very different from just counting commits - https://vectree.io/c/delta-compression-heuristics-and-packfi...

New comment by functional_dev in "Bitcoin and quantum computing"

functional_dev — Wed, 08 Apr 2026 16:32:29 +0000

Do you have a link to the paper showing the 20x improvement?

New comment by functional_dev in "Running out of disk space in production"

functional_dev — Wed, 08 Apr 2026 16:23:23 +0000

Such a simple trick, but effective!

New comment by functional_dev in "Union types in C# 15"

functional_dev — Wed, 08 Apr 2026 16:13:56 +0000

Right, the default boxes into heap, but unions are different. Some languages pack them as a flat struct (tag + payload, no allocation).

Here is visual layout if anyone is interested - https://vectree.io/c/memory-layout-tagging-and-payload-overl...

New comment by functional_dev in "IPv6 is the only way forward"

functional_dev — Wed, 08 Apr 2026 15:53:48 +0000

Backwards compatibility point is interesting.

Found this visual breakdown of IPv4 -> IPv6 transition.

Dual stack and tunneling sections show how much complexity came from not having a clean migration path - https://vectree.io/c/ipv4-vs-ipv6-address-architecture-nat-a...

New comment by functional_dev in "How to get better at guitar"

functional_dev — Wed, 08 Apr 2026 15:32:39 +0000

100% true, but method still matters

New comment by functional_dev in "I won't download your app. The web version is a-ok"

functional_dev — Mon, 06 Apr 2026 16:31:26 +0000

I am with you here.. there is actually name for why companies do this. They are not pushing app because it is better, but because browser tab cannot lock you in.

Mapped it out here if curious - https://vectree.io/c/enshittification-how-digital-platforms-...

New comment by functional_dev in "Running Gemma 4 locally with LM Studio's new headless CLI and Claude Code"

functional_dev — Mon, 06 Apr 2026 16:17:39 +0000

This confused me at first as well.. inactive experts skip compute, but weights are sill loaded. So memory does not shrink at all.

I found this visualisation helpful - https://vectree.io/c/sparse-activation-patterns-and-memory-e...

New comment by functional_dev in "In Japan, the robot isn't coming for your job; it's filling the one nobody wants"

functional_dev — Mon, 06 Apr 2026 12:32:22 +0000

100%

There is genuine demand for physical AI in Japan, there are not enough humans to hire.

I bet, EU will start long debates wether to automate or not :) Japan already skipped that part

New comment by functional_dev in "LÖVE: 2D Game Framework for Lua"

functional_dev — Mon, 06 Apr 2026 12:21:29 +0000

exactly, the simplicity is its beauty!

A single data structure (tables), no built in OOP (you build it with metatables).

Coroutines instead of threads.

I was curious and explored it in detail here - https://vectree.io/c/lua-language-design-metatables-coroutin...

New comment by functional_dev in "Is Germany's gold safe in New York ?"

functional_dev — Mon, 06 Apr 2026 11:57:29 +0000

or rather "move when?"

Moving 1,400 tonnes might take years. The window to act is closing.

New comment by functional_dev in "Electrical transformer manufacturing is throttling the electrified future"

functional_dev — Mon, 06 Apr 2026 09:39:25 +0000

Agreed, it takes decades to build manufacturing expertise.. lose demand for a few years and all is lost

Throwing more money at it does not work either, you need skilled workforse

Same is happening in EU with shipbuilding