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92 karma · joined May 3, 2014

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xico··on Ask HN: Why XMPP failed and SMTP didn't?
No. All communications in WhatsApp are encrypted end to end, whether between 2 persons, or inside a group [1].

I believe you are referring to Telegram which does not use encryption by default.

[1] https://www.whatsapp.com/security/WhatsApp-Security-Whitepap...

xico··on Jax vs. Julia (Vs PyTorch)
Tangentially related but there is an effort to get some of the features of JAX into PyTorch: https://pytorch.org/functorch/
xico··on Real World Recommendation System
Meta is relatively open (and open source) in how they handle stuff, including ranking, scoring and filtering described in the original article, but also fast inverted indexes and approximate nearest neighbors in high-dimensional spaces. See, for instance, Unicorn [1,2] or (at a lower level) FAISS [3].

[1] http://people.csail.mit.edu/matei/courses/2015/6.S897/readin...

[2] https://dl.acm.org/doi/pdf/10.1145/3394486.3403305

[3] https://faiss.ai/

xico··on Why is there a TikTok tracking pixel on UberEats what is this crap?
As a user I have the complete opposite objections: I do not see why I would have Uber run JavaScript on my machine just for them to know how well their campaigns are working, while I totally want advertisement that is highly targeted to me.
xico··on The wine tasting event: Distinguishing reds from whites (2014)
This tannic “oak” taste is very often made from small pieces of wood added to the wine. This has been allowed in France for more than 15 years for several wines, is common across EU, and is the norm outside Europe.
xico··on Is it stealing to read by the light of your neighbour’s lamp?
Meanwhile some would argue that your neighbors are contributing to the deterioration of the environment for their own comfort, thus stealing portions of your health or future, for either you or your descendants. Maybe that cancels out the stealing.
xico··on Privacy group is preparing a case to the Irish courts over Facebook data leak
Only became free in 2003 in France, and the main telecom company then was not happy, refused to tell how much money it was gaining from selling the data previously, and asked for a subscription increase in exchange.
xico··on Learn You a Haskell for Great Good (2008)
Also the author is not from the US, so you can’t sue him to terrorize him with opinionated morals.
xico··on LibreOffice 4.4, the Most Beautiful LibreOffice Ever
They are not nice in vision theory at least. To make them as differentiable as you could, they should all have different texture, orientations and colours.
xico··on Several of the web servers powering phpBB.com were compromised
You are right. We should even go further and reset the whole interweb each time there is a disclosure, or at least randomize the DNS records of the affected servers.
xico··on Is the NYPD About to Start Ticketing More Cyclists Due to a Mathematical Error?
In a lot of countries and at least in California, according to the DMV handbook, pedestrians have the right of way, whether in marked or unmarked crosswalks. Cars are required to let them pass first, who arrived first is irrelevant there. Waving at them is only a polite redundant sign.
xico··on When Korea imposed a limit on working hours, did it make people happier?
And while you are at wishful thinking, one could also ban the whole “undeclared” Greek system such as how you have to give cash to your MD to get proper treatment, how you declare half the value of a house when you sell and buy it, or how you have to pay extra to get receipts (to attach them to your tax return, well hand-washing done corrupted governments!).
xico··on Scientists have located an algal virus that attacks human DNA
Knowing that most of the Western Europe people are infected by toxoplasma, it is hardly a ‘cat’ virus (well, maybe in the US were the contamination is low due to the low diversity and extreme cooking of the food).
xico··on What neurons tell us about the 'hipster effect' when contrarians look the same
The whole paper is a proof with the displayed equations representing the key points and solutions. The ‘remarks’ that seem to annoy you are merely the author adjectives to qualify the underlying approach, and to avoid the trivial (for the author) intermediate steps. I highly doubt that you and your ‘friends’ are going to find a single mathematical mistake in this humoristic paper (the actual work of the author being quite full of your standard Lemma/Theorem/Proof sectioning without which you seem to be lost).
xico··on Vatican Library Puts 4,000 Ancient Manuscripts Available Online for Free
Catholics, in particular Franciscans, have also been extremely useful in describing, preserving and creating codices describing the life, history and mythology of the precolumbians, not to mention their roles in the syncretic emerging culture. Once could cite [Bernardino de Sahagún](http://en.wikipedia.org/wiki/Bernardino_de_Sahag%C3%BAn) for instance.
xico··on Holographic universe experiment begins
Yeah, formalizing thoughts into models, and then testing them to validate or invalidate them is sooo idealist. I wish scientists would only rely on common sense and holy books, trusting their guts to do the right thing.
xico··on Hello Haskell, Goodbye Lisp (2009)
Automatically implementing typeclasses can often be done with just generics http://www.haskell.org/haskellwiki/GHC.Generics
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