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osullivj

1,554 karma · joined April 7, 2008

Company: http://spreadserve.com

Blog: http://etrading.wordpress.com

Profile: http://uk.linkedin.com/in/osullivj

Github: https://github.com/osullivj

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osullivj··on 216M Spy TVs – The LG Smart TV Problem [video]
Everything you say should be true on any level playing field. Not in the British public sector where shambolic incompetence is the norm.
osullivj··on My Friend Aaron
Lovely bit of writing. I enjoyed being drawn in, and the dawning realisation that it is fiction. Aaron as a malign archetype was great too; techie Widmerpool even! One note of mild criticism: the narrator seems entirely passive, with none of his own life events.
osullivj··on Ask HN: Should I do a CS masters at Cambridge or start as a new grad at Amazon?
This! So long as OP is under 40.
osullivj··on The war on terror primed America for autocracy
I agree with you on Brexit, austerity. But you can always find an expert briefing in yr direction cf Walters, Lawsom, Thatcher
osullivj··on Why isn't the U.S. better at soccer?
This comment is wild :) In Europe we send our best athletes into athletics, not sport. Athletics is track and field, which reduces to speed, strength and endurance. Sport - football, cricket, tennis - is about technical mastery first, and only secondarily the speed strength and endurance to support it. Lionel Messi and Sachin Tendulkar would both have been deselected by any athletic selection procedure. The emphasis on athleticism over technical mastery is what makes American sport boring.
osullivj··on Ntsc-rs – open-source video emulation of analog TV and VHS artifacts
Richard Gabriel: Worse is Better
osullivj··on I design with Claude more than Figma now
Sounds like desk strat RAD work is moving to LLM gen code at JS. My recentish experience of that kind of work has been Athena at JPMC and Quartz at BoA; both Python with functional style via DAG or pixie with py ui framework to match. Which enables quick dev of the parts of trading workflow that don't need to be quick, like booking tools or EOD risk. I know first hand Athena and Qz are crufty when you get into the weeds. The bonsai framework with Elm inspired ocaml impl sounds v cool. So I can see how this approach can accelerate a lot of trading tech dev. But does it have any traction over the hard problems where we turn to C++ or Rust: near real pricing and risk across multiple instruments and markets?
osullivj··on Illusions of Understanding in the Sciences
So, to summarise, consistency is the virtue of a narrow mind?
osullivj··on The Vatican's Website in Latin
Catholic Social Teaching: 19th C origins. An alternate base to Marxism for social justice.
osullivj··on Founders Need to Be Ruthless When Chasing Deals
Yep, "enterprise" sales will kill ya. And when you do "close" you then get beaten up by "vendor mgmt". And when you finally get the invoice in, it's the finance dept and 90 day terms.
osullivj··on Software Preservation Group: C++ History Collection
Is C++ the most heavily documented programming language? If so, these docs could form the most detailed description of a subset of possible software ontologies for Von Neumann architectures. By possible software ontologies, I mean the debate around OOP, DOD ArrOfStruct vs StructOfArr, out of bounds and mem safety, GC vs manual mem mgmt, atomic types vs arrays vs objects and their layout in memory, function dispatch mechanisms, genericity mechanisms etc.
osullivj··on We rewrote our Rust WASM parser in TypeScript and it got faster
Strongly agree from an Emscripten C++ wasm pov: it's key to minimise emscripten::val roundtrips. Caches must be designed for rectilinear data geometry, and SharedArrayBuffers are the way for bulk data. But only JS allows us to express asynchrony, so we need an on_completion callback design at the lang boundary.
osullivj··on Bandit: A 32bit baremetal computer that runs Color Forth [video]
Jupiter Ace: a ZX80 with a Forth ROM. Inspired me to port an 8080 FIG Forth listing to the Camputers Lynx back in 83.
osullivj··on Number Research Inc
Are they finding the numbers least likely to be used on lottery tickets?
osullivj··on Japanese Death Poems
By "procession", do you allude to the filioque clause? Agreed on difficulty of translation as I follow Quine so think a language as a whole is the unit of meaning as opposed to any specific granular element.
osullivj··on Can you rewire your brain?
No mention of Imperial College's psychedelic programme and it's recent findings re neuroplasticity.
osullivj··on Fluorite – A console-grade game engine fully integrated with Flutter
Flat plane or cross plane? Cross plane cranks necessitate an asymmetric firing order, which produces the wonderful burble from US V8s. Flat plane is more common in Europe - think Ferrari - and has a symmetric firing order that produces a toneless metallic howl.
osullivj··on OpenClaw is changing my life
Yep; nothing genuinely new since Xerox Alto in 73. Mouse, GUI, TCP/IP, Smalltalk 72.
osullivj··on Data Poems
Allusive and romantic. My view is to see data as geometry, not poetry. Rectilinear data is cache friendly.
osullivj··on The Z80 Mem­ber­ship Card (2015)
Love the Freak Brothers references; two US counter cultures that do cross pollinate. Z80MC RAM & ROM seem v generous compared to the ZX81 I used to cut my asm teeth, wobbly RAM pack and all...
osullivj··on The Napoleon Technique: Postponing things to increase productivity
In the 19th Century British Foreign Office the Napoleon Technique was called "masterly inactivity". For instance "the Russians are threating Afghanistan, so we must move troops up to the NW Frontier". No! Not every action merits a reaction.
osullivj··on Swapping two blocks of memory inside a larger block, in constant memory
Also useful for cache locality, a more recent trend. But I guess that's just another slighlty diff case of tight mem; this time in the cache rather than RAM generally.
osullivj··on Web development is fun again
Neat summary of Zen and the Art of Motorcycle Riding!
osullivj··on Blame as a Service
Also UK style outsourcing eg Capita, Serco and recently Tata Consultancy Services fubaring JLRs infra.
osullivj··on A Room of One's Own (at last)
Sounds positively monastic, in the best way. Your magnum opus rendered as glorious coding codex is surely preordained. I'm reminded off Cyril Connolly's Pram in the Hallway. We are all prisoners of our brain chemistry.
osullivj··on US Launches Financial Rescue of Argentina, Treasury Buys Pesos
Cf GBP exit from the ERM inc Soros
osullivj··on Show HN: I've built a tiny hand-held keyboard
I saw that demoed at Notts Micro Computing Club in the early 80s. IIRC a Microwriter was used to drive input for an Acorn Electron.
osullivj··on Grounding AI with Wittgenstein: From Language-Games to Epistemic Honesty
Yes, completely agree. LLMs instantiate Searle's Chinese Room argument; symbols alone have no meaning. And yes, I buy the Kripkenstein argument. The meaning is the use, and intersubjectivity is key. My fear is that the humans who should know the use are having their grasp on that use degraded by production and consumption of AI slop text. Understanding requires application, and AI slop is letting the lazy off that hook.
osullivj··on Top Programming Languages 2025
I'm guessing Swiss Bank/UBS as a mate used to trade there and had a NeXT workstation and loved Wingz. Later I heard they were doing server side pricing work on Apple servers. I stand corrected; thanks!
osullivj··on I only use Google Sheets
dbase II offered similar capabilities on 8 bit CPM workstation in the early 80s.
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