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Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
289•theblazehen•2d ago•95 comments

Software Engineering Is Back

https://blog.alaindichiappari.dev/p/software-engineering-is-back
20•alainrk•1h ago•11 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
34•AlexeyBrin•1h ago•5 comments

Reinforcement Learning from Human Feedback

https://arxiv.org/abs/2504.12501
15•onurkanbkrc•1h ago•1 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
717•klaussilveira•16h ago•218 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
978•xnx•21h ago•562 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
94•jesperordrup•6h ago•35 comments

France's homegrown open source online office suite

https://github.com/suitenumerique
4•nar001•35m ago•2 comments

Making geo joins faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
138•matheusalmeida•2d ago•36 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
74•videotopia•4d ago•11 comments

Ga68, a GNU Algol 68 Compiler

https://fosdem.org/2026/schedule/event/PEXRTN-ga68-intro/
16•matt_d•3d ago•4 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
46•helloplanets•4d ago•46 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
242•isitcontent•16h ago•27 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
242•dmpetrov•16h ago•128 comments

Cross-Region MSK Replication: K2K vs. MirrorMaker2

https://medium.com/lensesio/cross-region-msk-replication-a-comprehensive-performance-comparison-o...
4•andmarios•4d ago•1 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
344•vecti•18h ago•153 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
510•todsacerdoti•1d ago•248 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
393•ostacke•22h ago•101 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
309•eljojo•19h ago•192 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
361•aktau•22h ago•187 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
437•lstoll•22h ago•286 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
32•1vuio0pswjnm7•2h ago•31 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
73•kmm•5d ago•11 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
26•bikenaga•3d ago•13 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
98•quibono•4d ago•22 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
278•i5heu•19h ago•227 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
43•gmays•11h ago•14 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1088•cdrnsf•1d ago•469 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
312•surprisetalk•3d ago•45 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
36•romes•4d ago•3 comments
Open in hackernews

What happens at the end of 'Trading Places'? (2013)

https://www.npr.org/sections/money/2013/07/19/201430727/what-actually-happens-at-the-end-of-trading-places
70•austinallegro•9mo ago

Comments

gibbitz•9mo ago
https://youtu.be/9wSQ9Zk_9gQ?si=LIymSh4sGl2jehYo great video on orange juice concentrate futures
allenrb•9mo ago
I’ve worked in trading for some time now (on the tech nerd side) and can still remember my jaw dropping when I learned that FCOJ is actually traded and wasn’t made up for the movie.
toomuchtodo•9mo ago
My father was a trader on the floor of the CME in Chicago for a short bit (mid to late 90s), and Trading Places was provided as required reading before he taught me how to trade commodities. Great film. I have the VHS copy somewhere for sentimental reasons.

Why you can’t trade onions futures is also a fun read, for similar reasons (“The Great Onion Corner”).

https://www.npr.org/2015/10/22/450769853/the-great-onion-cor...

https://en.wikipedia.org/wiki/Vincent_Kosuga

https://en.wikipedia.org/wiki/Onion_Futures_Act

smallmouth•9mo ago
There's a good chance I knew your father if he was active between 89' and 97'. Leased and eventually bought a seat and cleared through RJO.

Mostly S&P 500, Pound Sterling and Live Cattle.

And thanks for those links!

konfusinomicon•9mo ago
as the last of the short orders were filed Kosuga leaned over to Siegel and whispered, "now we'll really give em something to cry about", and the rest is history
richardfontana•9mo ago
When I was in law school I took a class on securities regulation taught by Joel Seligman, and I remember looking at his multi-volume treatise which included a letter Gerald Ford sent him reminiscing about the Onion Futures Act.
matthewdgreen•9mo ago
The entire concept of FCOJ grosses me out after I learned they would sometimes ship it north inside of the same tanker trucks they would use to ship chemicals down south. I hope this is regulated now.
nicwolff•9mo ago
That's funny, that in 2010 the Commodity Futures Trading Commission specifically banned the insider trade that bankrupted the Duke Brothers at the end of Trading Places!

Here's a direct link to the testimony mentioned in the Wall Street Journal:

https://www.cftc.gov/PressRoom/SpeechesTestimony/opagensler-...

mikestew•9mo ago
Referenced in the doc as “the Eddie Murphy rule”.
listenallyall•9mo ago
Even if the trading itself wasn't illegal, it had to be illegal to steal a government economic data report prior to its release, right? I mean, if you stole the monthly Non-Farm Payroll report and knew its contents ahead of its release, you could easily make millions of dollars. There is a reason it is released at a specific, scheduled time.
IAmBroom•9mo ago
"Should be" != "had to be".
JackFr•9mo ago
https://www.nytimes.com/2003/11/13/business/economist-pleads...

And disgorge your profits, pay a fine, go to jail and agree never to work in the securities industry ever again.

kccqzy•9mo ago
What's missing from this explanation is how open outcry trading works. If the "sell 30 April at 142" instruction is barely heard correctly, how would other traders be sure of what they heard and react accordingly? It seems like a messy trading environment where mistakes could easily be made. What do they do to prevent these mistakes and to prevent traders from reneging on the trades? Do they have a ticker tape? Do they have employees who would record all transactions on the ticker tape? How do they go from verbal instructions to a verified record?

Amazing movie though. I just wish I had more context to understand the scene fully.

joezydeco•9mo ago
There was a system of hand signals to back up the communication. The movie didn't really show that.

Here's how they did it in Chicago at the Commodities Exchange:

https://youtu.be/yd31eEEWOoc

wildzzz•9mo ago
One of my favorite scenes in Ferris Bueller
tomwheeler•9mo ago
These hand signals are known as arb. I was told (when I worked for a brokerage firm) that the name stems from people involved with arbitrage needing to communicate quickly, before the rest of the market caught on to what they were doing).

https://en.wikipedia.org/wiki/Hand_signaling_(open_outcry)

vergeman•9mo ago
I attempted a little webcam machine learning video game to trade open outcry.

Can't say it works that well but I claim side project lol.

https://www.thepittrader.com/

Braxton1980•9mo ago
Prince Akeem was upset that Arsenio Hall was using the royal family's money when they were supposed to be living like commoners. Out of anger he took a large wad of cash that Arsenio had on him and gave it to two homeless people who turned out to be the Duke brothers.
dh2022•9mo ago
(for those who did not make the connection, in the movie Coming to America Eddie Murphy gave some money to two bums - the bums are the Dukes brothers who went bankrupt at the end of the movie Trading Places)
Braxton1980•9mo ago
Since toothbrushes wear out why have a gold handle? I get that he's extremely rich but is he just putting gold in the trash?
unmole•9mo ago
> In other words, Winthorpe and Valentine have contracts allowing them to buy millions of pounds of orange juice in April for 29 cents a pound, and to sell it for $1.42 a pound.

Yeah, no. They went short on April OJ futures when it was trading at $1.42 and closed their short when the price crashed to 29 cents.

UltraSane•9mo ago
I will never understand how the hell open outcry trading ever worked. It seems like complete chaos.
spants•9mo ago
"One interesting kicker to the story: Trading commodities on inside information obtained from the government wasn't actually illegal when the movie came out, but it's illegal now. It was banned in the 2010 finance-overhaul law, under a special provision often referred to as the Eddie Murphy Rule."

Why aren't most of the democrats in jail, then? - How did they make their fortunes on their lifetime government salaries?

halfmatthalfcat•9mo ago
In jail for passing legislation with a trifecta government for barring insider trading?
scarface_74•9mo ago
Fun fact: Winthorpe and Valentine ended up sleeping on the street after “Trading Places” and Prince Akeem gave them money in “Coming to America”

https://youtu.be/h0GLVc4f02k?si=VIH5-gWVnTSIXnxf

Vaslo•9mo ago
I thought that was actually in The Distinguished Gentleman and had to confirm but you are right. Don’t know why I misremember that.