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bormaj

104 karma · joined July 21, 2023

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bormaj··on Venice’s failed war against Constantinople led to the first bond market
So mortgages are bad too? How about retirement assets later in life? What financial products are going to give elderly stable cash flows to live off of?

If a company goes under, debt is generally higher in the asset recovery waterfall. If you own equity, you're last in line to recuperate losses. Of course not all debt is equal, but it does enable people and businesses to attempt things without needing all the cash up front.

bormaj··on Dutch governments builds alternative for Microsoft based on NixOS
Where would you say the gaps are? As someone who has been in an environment of excel power users for several years, the quality of that program has declined YoY due to all the excess bloat that MS stuffs into that thing. The plugin/macro ecosystem is one aspect that comes to my mind.
bormaj··on New Mexico court orders Meta to pay $567m over harms to children’s mental health
The level of regulation applied to Meta is very different from Philip Morris.
bormaj··on Scientists discover Kelvin-Helmholtz Instability on the surface of the Sun
It's the impending and inevitable heat death of the universe... several billions of years away...
bormaj··on Branchless Rust: Making a Filter 4x Faster by Removing an If
Great explanation of why a branchless approach results in such a speed up. I've never really had to deal with performance optimization at this level. Generally it's probably best not to get too involved letting the CPU black box do its thing.

I do wonder, would the performance characteristics of branchless vs branching be consistent across different CPUs/architectures? If you had a CPU that wasn't trying to be fancy with branch prediction, would the regular algo be faster?

bormaj··on Situational Awareness down 67% in July in AI stock rout
Any source on this? Market data was already implying a hike by year end and the Fed held steady so not sure what the takeaway is here
bormaj··on EV demand up 50% in France and Germany since Iran war
Slightly off-topic, but can anyone comment on the quality of the EV charging infrastructure in the EU? Outside of owning an EV and charging it at home/work, are fast chargers reliable and abundant enough for road trips?

I recently looked into renting an EV in Spain and instead opted for gas. It seems like the public charging infrastructure is just not all that reliable there (e.g. broken chargers + delivering less power than advertised) and fragmented when it comes to paying across many apps. Maybe this is specific to Spain after all.

bormaj··on Have a Coherent AI Policy
Yes, but also this particular company has the means to justify the expense. I think there's enough opportunity at scale in the industry to really change the business landscape.

Aside from that (and assuming a large enough sample size) I think it's a safe experiment to at least bet on finding profitable use cases. In 1-2 years, after this experiment runs its course, not everyone will have "unlimited" usage.

bormaj··on NVIDIA Goes to Zero
What's different this time around?

The author made compelling points regarding capex cycles and supply/demand imbalances. So how does NVDA continue to deliver these returns over the next 10 years? Are the 4 firms driving >60% of NVDA's revenue going to maintain that high capex?

All it will take is a market shock that forces just one of these companies to pivot modes from spending to cost cutting for NVDA's bottom line to see material compression. This is not to say that NVDA will disappear, but it's a very real risk that sets the stage for contagion given how coupled all this growth is.

bormaj··on Ask HN: What are you working on? (May 2026)
Pretty neat suite of visuals there! What's the helix intended to represent?
bormaj··on Claude Is Dead
> By the way, this post was totally built with the help of another language model which is not Claude!

Was an LLM really necessary to write this article? The LLM fluff glosses over a few interesting points/questions:

- Is the current claude debacle the result of compute supply that cannot match the demand? Or is it that Anthropic is being pressed to monetize its work?

- If LLM inference quality is downshifted because of those constraints, that becomes a very real problem for the end users as it effectively amounts to rug-pulling the product. It is plausible that this eventually materializes itself into the consumer/enterprise plans. E.g. paying up for "high IQ" models and not just token usage.

- As another comment here noted, this is all driving the commodification + privatization of intelligence. The competitive landscape is changing and the effectiveness of "high IQ" models and those that can afford them may very well be table stakes going forward thanks to the (manufactured?) scarcity.

bormaj··on Google open-sources experimental agent orchestration testbed Scion
As someone who hasn't yet jumped into working with multiple agents simultaneously, where does a tool like gastown help you the most?
bormaj··on How I Became a Quant (2007) [pdf]
The exception rather than the norm, yeah but IMO his takes are refreshing/insightful.
bormaj··on How I Became a Quant (2007) [pdf]
Gappy is one of the more decorated, public figures in the space. That PDF gives a candid overview of what it's like to interview/work in the industry.
bormaj··on Python Data Science Handbook
Custom schema wrapper or some package you'd recommend from pypi?
bormaj··on Are We Sleepwalking into a Diesel Shortage?
Interesting article, but about halfway through what was a convincing analysis of an ongoing diesel shortage turned into a fear piece on the US/China relations and a corresponding economic collapse.

Diesel production capacity is limited and shrinking. Demand is there, albeit sticky (due to certain demand sources that are not easily electronified) and shrinking at a slower pace (due to slowing global economic growth). Rather than discussing a hypothetical blockade of Chinese oil imports, I wish the author would have addressed more probable short term outcomes re: supply/demand shock triggers and possible market plays.

Feel like this was a missed opportunity to look at recent geopolitical events under a more nuanced lens.

bormaj··on The Hedge Funds Are Hiring
Start small and invest where you have an edge. No edge? Buy the market and keep some gunpowder on the side when an opportunity comes up.

Small players have advantages the big guys don't have at scale and vice versa. The same goes for many markets beyond just finance.

bormaj··on Show HN: Arc – high-throughput time-series warehouse with DuckDB analytics
My use case isn't IOT, but about once a month I get a massive data dump from a vendor. Think tens of millions of rows and 100+ columns. Cleaning, ingesting and querying this data via standard RDBMS is a slow and brittle process. There is a time series aspect, but partitioning across other keys/groups is critical.
bormaj··on Show HN: Arc – high-throughput time-series warehouse with DuckDB analytics
Exciting project and definitely something I'd like to explore using. I particularly like the look of the API ergonomics. A few questions:

- is the schema inferred from the data? - can/does the schema evolve? - are custom partitions supported? - is there a roadmap for future features?

bormaj··on Samsung now owns Denon, Bowers and Wilkins, Marantz, Polk, and more audio brands
I don't think Spotify and streaming killed the music subculture, it's still very much alive but requires more intention to find.

Back in the day how did you find new music? Pre-2000s it was likely MTV/radio for mainstream, or word-of-mouth/local events for niche genres. Nowadays Spotify and streaming services have supplanted the former for mainstream music. Finding new music outside the recommended engines requires a little more effort in knowing where to look. There are a lot of Internet radio programs (shout out to The Lot and Rinse.FM) and smaller record labels that do an amazing job at curating local and diverse sounds.

These days it's never been easier to start your own label or publish a track. Rock-'n'-roll is probably still alive (unfortunately I don't know that modern scene well), but assembling the necessary equipment and people to start a band is a big hurdle requiring practice, space and coordination. So I can see more wanna-be artists opting for pop/electronic having shorter turnarounds to a finished product.

bormaj··on Microsoft Python Driver for SQL Server
I'd love to see a production grade release of this package with async and BCP support. MSSQL has always been a second class citizen (and rightfully so) amongst its open source peers and now it's nice to see MS dedicating resources to this project. They've got some catching up to do, but the alpha benchmarks look quite promising so far!
bormaj··on 1948: Catholic Church publishes final edition of “Index Librorum Prohibitorum”
I think the Catholic church's actions could be rationalized through the lens of preserving influence. Descartes' ideas could be viewed as fostering a mindset of self-reliance and independence which is antithetical to a dependence on the church.
bormaj··on Fun with uv and PEP 723
This is a great resource, thank you for putting this together
bormaj··on "Localhost tracking" explained. It could cost Meta €32B
In other more heavily regulated industries, whistleblowers are fortunately compensated and protected for raising such ethical issues. I wonder how far tech can go before we start to see similar government agencies and rules put in place to do the same.
bormaj··on The Fannie and Freddie Stakes Are High
What's the net benefit to the taxpayer/government for divesting from Fannie/Freddie?
bormaj··on Not worried about AI taking our jobs; worried it won't take our current jobs
This whole comment is a bit too sensational for me, however I want to highlight one fragment:

> When you have so many people alive, who can do nothing in exchange for food [...]

AI, for now, only exists in the digital space and that's what it will primarily disrupt (at least initially). You're still going to need real people to mow the grass, maintain homes/buildings, ship goods and perform other basic services that underpin society. None of that changes drastically with AI in the picture.

Some people will be out of jobs or replaced, but fundamentally they will just have to do something more tangible to provide value in order to pay the bills.

bormaj··on What do I think about Lua after shipping a project with 60k lines of code?
Yeah I see what you mean, you can always disable specific features, but I think that's a habit mypy tries to enforce. They consider redefining a variable bad practice.

Even in rust you have to be explicit about doing the same thing with an extra "let" statement.

bormaj··on What do I think about Lua after shipping a project with 60k lines of code?
If using python with type annotations, linters like ruff and mypy do a great job at identifying issues. It's no substitute for tests and nor will it give you the same guarantees that rust will at compile time. But I think it improves the base quality of the code.
bormaj··on An Introduction to Stochastic Calculus (2022)
Adding to this, stochastic calculus matters more for modeling volatility/interest rates/derivatives. As you mention, Python/ML are more than suitable for many other areas within quant finance like optimization, algo development, signal research, etc.
bormaj··on Xlwings Lite – Python in Excel Using Pyodide
I have a couple use cases in mind and am excited to give it a whirl. Thanks for creating this!
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