Hacker News: jauco

New comment by jauco in "DuckDB Internals: Why Is DuckDB Fast? (Part 1)"

jauco — Fri, 19 Jun 2026 06:20:47 +0000

You’d end up implementing your own home grown version of hash join and query pushdown (skipping parquet row groups entirely) etc and your own home grown heuristics in selecting the right one (planning)

Which can outperform a generic solution like this of course, but it’s not less work to make faster for most cases.

Also duckdb can give you access to an in memory representation (e.g. `fetch_arrow_table()`) so you have less “language data structure wrapping” overhead. And you can do filtering yourself on that. In most cases the “where” statements will win though.

New comment by jauco in "A greyscale iPhone setup that works in everyday life"

jauco — Fri, 12 Jun 2026 06:12:43 +0000

There’s night shift by default in your iphone right? You can use the slider to make it more pronounced.

New comment by jauco in "Wow, if it's this easy in 1998, I bet it'll be even easier in 2026"

jauco — Mon, 08 Jun 2026 08:06:57 +0000

Actually, do things ever get easier to tinker with as technology matures?

Is it easier to build or repair a radio now than it was when they were first sold? A computer? A car? A washing machine? A vacuum cleaner?

New comment by jauco in "The Russian who invented semiconductors 25 years before the USA"

jauco — Sun, 07 Jun 2026 05:36:08 +0000

They do actually. There’s a fair bit of critique you can level at the system from a country-wide economic perspective and especially from a world-trade perspective, but they did manage to get a system in place where a central government can influence both the area and speed of innovation.

The main thing they do is stack the market to be very favourable for a given industry and then have extreme competition between the companies.

New comment by jauco in "The LLM warnings Google fired Timnit Gebru over have all come true"

jauco — Fri, 05 Jun 2026 05:41:55 +0000

Discrimination is just another word for “treating differently”. The discrimination that we generally disallow is the one where it relates to humans and where they are treated differently based on attributes they have no control over. That were either an accident of birth or faith (which is special cased as something you should not put pressure on).

When estinating a loan default, even of 99 people with a purple skin color default on a loan, the hundredth should not be expected to default on the loan just because of the skin color. Both because this is scientifically wrong (it’s not the skin color that causes them to default. There’s a confounding variable) and because it would put someone in a position that they can never get out of.

So the answer to your question is simple: you make a model where the attributes are causal factors for loan default. And you might need to special case attributes that are an accident of birth but that list is finite (listed in the law) and short and generally constructed to exclude strong causal variables.

New comment by jauco in "Leiden Declaration on Artificial Intelligence and Mathematics"

jauco — Wed, 03 Jun 2026 13:19:23 +0000

yes, that's where a conference was held that kickstarted the group that drafted this declaration.

> In September 2025 the Lorentz Center at Leiden University in the Netherlands hosted a conference entitled Mechanization and Mathematical Research. The around 60 participants from 10 countries comprised mathematicians, computer scientists, philosophers, historians and social scientists, including those with experience in industry and in government.

New comment by jauco in "Ember.js 7.0"

jauco — Sat, 30 May 2026 07:46:31 +0000

Before backbone there was already knockout.js which was based on signals. Which is what all the hip frameworks are converging on now anyway. You could have bypassed all the drama.

New comment by jauco in "Netherlands blocks US takeover of vital digital supplier"

jauco — Tue, 26 May 2026 18:02:00 +0000

You want an idp who verified that the account belongs to a specific citizen. There needs to be some loop closing between your bsn (akin to a social security number) and user accounts. That in itself is not something you can just handoff to auth0 or that you want different departments to self select and self-host.

Digid is used to submit taxes and for getting benefits from the government.

New comment by jauco in "Defeating Git Rigour Fatigue with Jujutsu"

jauco — Mon, 25 May 2026 20:45:58 +0000

It’s mostly the same. But if you realize you forgot to add something to the dirst commit while you’re putting stuff in the second commit then this avoids having to create a fixup commit and then rebasing that afterwards.

New comment by jauco in "Node.js 26.0.0 (Now with Temporal)"

jauco — Wed, 20 May 2026 20:38:49 +0000

Also the release that drops typescript transforms: https://github.com/nodejs/typescript/issues/51

(I’m not disagreeing to remove it. It just took me a while to find out what happened to it)

New comment by jauco in "What Is Date:Italy?"

jauco — Mon, 18 May 2026 16:57:32 +0000

It’s actually worse than that. It wasn’t always whole coubtries who decided to adopt (or not) but cities and sometimes people within cities (i.e. the protestants in the city would be lagging, or maybe I’m misremembering and this was about people who where abroad)

In any case, for awhile, the date you picked depended on who you were writing to. And then also the relative standing. If he was of much lower standing you might force your own calendar on them.

Also, I think with the previous calendar it was always a bit debatable what year december belonged to. I can’t quite remember the details.

New comment by jauco in "Ask HN: Where can I go to ask for help?"

jauco — Sun, 03 May 2026 06:23:38 +0000

Where I live the municipality generally has people (money-coaches) to help. Maybe just go over to yours and see what help there is? In general, when you’re in a bad place the advice would be to go off the internet and towards actual humans I think.

New comment by jauco in "Critical flaw in Protobuf library enables JavaScript code execution"

jauco — Sun, 19 Apr 2026 17:19:07 +0000

But once you can make people download your malicious js code using npm, why would you then need to inject malicious js code in protobuf?

New comment by jauco in "The buns in McDonald's Japan's burger photos are all slightly askew"

jauco — Thu, 16 Apr 2026 04:12:26 +0000

Not if you were browsing the internet of that time using a 28k8 modem.

New comment by jauco in "Keycard – inject API keys into subprocesses, never touch shell env"

jauco — Thu, 16 Apr 2026 04:03:52 +0000

Why not use the op cli? It seems to do the same thing?

New comment by jauco in "A Mercury Rover Could Explore the Planet by Sticking to the Terminator"

jauco — Thu, 16 Apr 2026 04:00:19 +0000

One of my favourite (dutch) children’s books is “400 degrees in the shade” which explores exactly that. A human colony sticking to the terminator. (It’s quite dystopian though)

https://www.goodreads.com/en/book/show/7697564-400-graden-in...

Technical debt is dead, the metaphor is broken

jauco — Wed, 15 Apr 2026 15:10:53 +0000

Article URL: https://p-322.com/notes/technical-debt-metaphor-is-broken/en/

Comments URL: https://news.ycombinator.com/item?id=47780230

Points: 5

# Comments: 2

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

jauco — Fri, 10 Apr 2026 05:23:42 +0000

Use difftastic. You can do so with current git :)

New comment by jauco in "US and Iran agree to provisional ceasefire"

jauco — Wed, 08 Apr 2026 05:18:07 +0000

It’s not the ME countries who are profiting, because they can’t export. So it’s a net loss. (Saudi and oman win a bit, but in no comparison to the iraq kuwait loss)

The winners are mostly: Russia, Iran itself and (margibally) the US. But mostly Russia.

New comment by jauco in "Ask HN: European Tech Alternatives?"

jauco — Thu, 02 Apr 2026 19:04:07 +0000

Thanks for the clarification! Does the AG still exist?

And I think this speaks to my point that it isn’t a simple yes/no question :)