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gunnihinn

Re:We Will Not Be Divided on Saturday February 28, 2026 @04:58AM (#47193042)
The bravery of the people signing this anonymously is inspiring.
> Terrence Tao was a good example of what happens when an exceptionally smart person stops getting funded by an American University: not moving to another country, but got VC money and created a new company.

What company did Tao fund with VC money?

Re:Lennart Poettering, Christian Brauner founded a new company on Wednesday January 28, 2026 @04:57AM (#46793267)
And people say there’s no diversity in tech. Just look at all the different middle-aged white guys on that page.
Re:The Unix-Haters Handbook (1994) [pdf] on Monday August 25, 2025 @04:47AM (#45011701)
Thanks, I hate it.
Re:Doge.gov site has been hacked on Friday February 14, 2025 @04:13AM (#43046439)
Their boss does nazi salutes at political events. They’re nazis.
Re:Software engineer pay heatmap for Europe on Tuesday January 14, 2025 @02:10PM (#42702213)
I think the Icelandic data is a bit skewed upwards. It’s showing senior and principal level salaries in large companies, most “normal” devs earn maybe 70% of that.
That's pretty cool. Unfortunately school holidays mean I can't take time off whenever, but I can definitely use the idea to plan time off around those.
Re:Axiomatics: Mathematical thought and high modernism on Monday October 28, 2024 @09:18AM (#41970760)
A distribution is not a function. It is a continuous linear functional on a space of functions.

Functions define distributions, but not all distributions are defined that way, like the Dirac delta or integration over a subset.

Re:Calculating the norm of a complex number on Friday October 25, 2024 @09:34AM (#41945125)
For any smooth function (like the conjugate) it makes sense to ask whether there exist holomorphic functions that approximate it arbitrarily well.

However: Suppose that for every n > 0 there exists a holomorphic function f_n such that |f_n(z) - z| < 1/n for all z. Then |f_n(z)| <= |f_n(z) - z| + |z*| = |z| + 1/n by the triangle inequality. A consequence of Liouville's theorem is that any entire holomorphic function with polynomial growth is a polynomial; here in particular we would need to have f_n(z) = a_n z + b_n for some complex numbers a_n and b_n. For real x we would have |(a_n - 1)x + b_n| < 1/n for all x, so a_n = 1. For imaginary iy we would have |(a_n + 1)iy + b_n| < 1/n for all y, so a_n = -1, which is a contradiction.

In fact, if a sequence of holomorphic functions converges uniformely on compact sets, the limit is itself holomorphic because of Cauchy's theorem.

Re:Vikings in Al-Andalus and the Maghreb (English) on Sunday July 28, 2024 @05:14AM (#41092105)
Good for you to stick up for the _checks notes_ nazis.
Re:Men on Viagra may reduce their Alzheimer's risk – study on Thursday February 08, 2024 @04:41AM (#39300081)
I read Playboy for the stories and take Viagra for the memories.
Re:How I'm (re)learning math as an adult on Friday January 19, 2024 @06:04AM (#39054068)
> I may be biased as I am a trained Mathematician, but I always feel when someone says "Math is Hard", that is because they had bad teachers.

I dunno, man. I have a PhD in complex differential geometry and think math is pretty hard.

Re:Grindavik [video] on Tuesday December 19, 2023 @04:08AM (#38693430)
Thank RÚV, the Icelandic national broadcaster, which setup cameras weeks ago and has been live streaming the area since then for capturing the eruption.
Re:Math Limitations on Saturday July 22, 2023 @11:13AM (#36826910)
> they are objects (I call them oracles) that answer Yes or No when asked if the number ought to be between two given rational numbers.

So a real number is a function from pairs of rationals to a two-element set (plus some sanity conditions)? Why is that better than the other constructions?

Re:A trick to eliminate 2π (sometimes) on Wednesday June 28, 2023 @05:00PM (#36512512)
This notation maybe makes some things in trigonometry or Fourier analysis easier to do. Then a wild polynomial appears and all of the sudden we have to write

(d bar) x = 1 / 2 pi.

Honestly every single one of those execs is very replaceable too.
Re:Ask HN: Has anyone fully attempted Bret Victor's vision? on Monday January 23, 2023 @04:02AM (#34486829)
> Bret Victor is very much Alan Kay's protege and has unfortunately inherited the curse of people cherry-picking particular ideas and missing the bigger picture.

Maybe it's time we lay some of the blame for us idiots just not getting Alan Kay's ideas on Alan Kay. At this point he only has himself to blame if he's spent 50 years trying and failing to communicate his wonderful ideas.

As the post points out this involves some claims about infinite sets that are maybe not super obvious to laypeople (every infinite set of natural numbers has a least element). But we can rephrase this to avoid mentioning sets:

For any rational number p/q (with q > 0) there exists a smallest positive natural number k such that k * p/q is natural: Clearly q works, so we check the finitely many numbers 1, ..., q and pick the smallest.

Suppose the square root of 2 is rational. Let k be this smallest number for \sqrt 2, and proceed with the rest of the proof to find 0 < k' < k that also works.

Re:Helix: A Neovim inspired editor, written in Rust on Monday October 10, 2022 @04:54AM (#33149251)
I grew up with the Icelandic layout. When I started programming professionally I taught myself the en-us layout and stared using that instead. It is much easier on my hands and fingers; it really does show that the people who came up with the syntax for most of the programming languages in use picked things that were easy to type on a US layout and didn't give any thought to the rest of us.
Re:Knuth changes his mind on Bernoulli number B_1 on Saturday July 30, 2022 @07:19PM (#32291362)
There you go, arguing a trivial point at length instead of doing interesting math. This is why tau is not worth anyone’s time. There’s no one weird trick to understanding math.
Re:Knuth changes his mind on Bernoulli number B_1 on Saturday July 30, 2022 @03:35AM (#32285027)
I’m a mathematician. Tau is bikeshedding. It’s far removed from being either interesting or useful. But it is a useful litmus test for whether a person’s options on math are worth listening to or not.
Re:How to Design Programs on Tuesday July 19, 2022 @12:02PM (#32153646)
> SQLite does not compete with client/server databases. SQLite competes with fopen().

https://www.sqlite.org/whentouse.html

Re:Bits of advice I wish I had known on Friday April 29, 2022 @03:59AM (#31202568)
> 103 Bits of Advice I Wish I Had Known

Not one of them being "edit your writing".

Re:American spy hacked Booking.com, company stayed silent on Thursday November 11, 2021 @10:42AM (#29189110)
I work at Booking. We do not do this and never have. Other OTAs do, like Expedia. It’s the merchant vs. agent model.
Re:Ticketmaster will pay $10M for hacking rival ticket seller on Thursday December 31, 2020 @05:51AM (#25591554)
This is America. Schwarz was not prosecuted for his crimes but for his failure to monetize them.
Re:The Rome Toolchain: A linter, compiler, bundler, and more on Sunday October 25, 2020 @02:03AM (#24884162)
There are very old reports saying the Rome build times are quite long, longer than a day even. Has this changed?
Re:Knuth versus Email (1999) on Friday August 28, 2020 @03:32AM (#24302302)
Calm down, Bret Stephens.
Re:Google to Slow Hiring for Rest of 2020 on Thursday April 16, 2020 @03:25AM (#22887000)
Maybe the travel, restaurant etc industries have stopped paying for clicks so Google gets less cash? My work cut down on PPC by a lot and we spent a lot of money on it.

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