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S4M

3,969 karma · joined July 15, 2011

email: samuel.le@gmail.com

currently working on a web app to help junior high school students with math: http://magako.com

I am based in Barcelona, feel free to ping me if you want to meet there.

hnchat:c4KDf32Y296EUsCP5Dcw

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S4M··on Europe Finally Has an Excuse to Challenge the Dollar
So you're saying that having a large GDP is a justification to invade other countries?
S4M··on Ask HN: Are there board games like Go, Hex etc but a bit simpler?
Connect 4 should be really easy to implement.
S4M··on Titans of Mathematics Clash Over Epic Proof of ABC Conjecture
Is code-folding necessary? Instead you could put the demonstration in an appendix, and the authors would be free to decide what goes in the core of the article and what goes into the appendix. This could be made automatically where trunks of article would move back and forth from the core to the article and vice-versa, depending of what the reader chose to, and in each case a corresponding pdf could be generated.
S4M··on Titans of Mathematics Clash Over Epic Proof of ABC Conjecture
Coincidentally I recently finished a MOOC about prime numbers where the ABC conjecture was introduced, I believe in order to show how mysterious prime numbers still were. The MOOC is here if someone is interested: https://courses.edx.org/courses/course-v1:KyotoUx+011x+2T201...

Apart from that, the article makes me curious about the state of automated mathematical proof. I remember having read an article posted here about a mathematician (I think he was a Field medalist) who was claiming that automated proof were the future of mathematics as they would enable mathematicians to collaborate much more easily, removing problems of trust in others' proof.

S4M··on Life in the Spanish city that banned cars
I have two kids (now 8 and 4 years old). I don't own a car. We never had any issue bringing them with us in public transport (bus, metro or train). We live in Barcelona.
S4M··on Ask HN: Do you know who this person is?
FWIW, I already asked similar stuff ("What is the movie where...?", "what is the book where...?") on stackexchange and I could get the answer relatively quickly.
S4M··on Kansas-born woman told birth certificate not proof of citizenship for passport
I traveled a few time within the Schengen space. I was never asked to show any identity document.
S4M··on Dark Motives and Elective Use of Brainteaser Interview Questions
I managed to dig it from archive.org: https://web.archive.org/web/20160113210613/https://michaeloc...
S4M··on DuckDuckGo Raises $10M
> There was absolutely no interest at all in "Who" was looking at the page. It seems to me there is still a tremendous amount of money that could be made with only that use case.

I hope that is true, but I have my doubts. Google must have given some thoughts to that issue and decided to switch their targeting to the "who" for a reason, if the previous model was more profitable they simply would have stuck with it I suppose.

S4M··on Markov Chains Explained Visually (2014)
By definition, a Markov chain only depends of the current state. That said, I can think of a way to make something depending on the past as well: if you have two states (S for sunny, R for Rainy), with two days of state you now have four states: SS, SR, RS, RR, which gives you a transition probabilities matrix - of course you will have some restriction, for example from SS you can only go to SS and SR.
S4M··on Study Finds Increased Incarceration Has Marginal-To-Zero Impact on Crime
A webcached version of your article, since orlandosentinel.com blocks visits from European countries because of the GDPR: http://webcache.googleusercontent.com/search?q=cache:pI5zTYk...
S4M··on The ArdaCraft project seeks to recreate Tolkien’s Middle-earth in Minecraft
As someone who never played Minecraft, I am curious how many men hours it took to build all of this. It's beautiful.
S4M··on Ask HN: Who has started a business because they couldn't get hired for work?
> I started profesional coding with age of 11 and general IT with 6-7 years (~1989).

That's really interesting, can you provide more details about it? I'm really curious how a kid could make money from coding in the early 90's.

S4M··on OpenDUNE – An open-source recreation of the game Dune II
It looks nice, anybody knows how to build it on Linux?
S4M··on Ask HN: Who is looking for help on their side project? (May 2018)
I tried elmbudget.com but the registration was broken, so I couldn't check out the website.
S4M··on Ask HN: Which YC companies failed badly?
I don't know what you mean by "badly", but Homejoy failed after raising more than $40M.

This was largely discussed on HN: https://hn.algolia.com/?query=homejoy&sort=byPopularity&pref...

S4M··on Einstein's boyhood proof of the Pythagorean theorem (2015)
Thank you. I edited the title.
S4M··on Einstein's boyhood proof of the Pythagorean theorem (2015)
The thing is that there is no particular reason for non animated images to require javascript.
S4M··on Icelandic language battles threat of 'digital extinction'
Iceland and Denmark have closed ties.
S4M··on VLC 3.0 release
> I used VLC to play videos on BeOS back in college in the late 90s

VLC was first released in 2001, as per Wikipedia: https://en.wikipedia.org/wiki/VLC_media_player

S4M··on Mathematical picture language program
Deactivating mublock also worked for me.
S4M··on Emacs with the SpiderMonkey garbage collector
Could someone explain, for someone not familiar with low level programming, what would be the advantages of using another garbage collector in Emacs?
S4M··on Why physicists still use Fortran (2015)
How do you measure the complexity of the code, and most importantly, of the problem that the code is solving?
S4M··on Three Paths in the Tech Industry: Founder, Executive, or Employee
Maybe Netflix as well.
S4M··on We need to document macOS
Sad to see this simple reply downvoted for no reason by a bunch of Apple fanboys.
S4M··on Launch HN: CocuSocial (YC S17) – Marketplace for cooking classes at restaurants
Here in Barcelona, there is a restaurant called "Menage a Trois"...
S4M··on 'Using Emacs' Series
> c-x c-[fa]

You mean c-x c-[fs], right? I'm by no mean an emacs expert although I've been using it for 6 years now, and when I read your comment I thought "Wow, c-x c-a is a functionality? How comes I have never used that?", so I tried that in emacs but it's not mapped to anything.

Apart from that, I fully agree with your comment.

S4M··on Show HN: Mesh IDE – a code editor that feels like a spreadsheet
That would make a great combination with the 2D syntax [1] discussed here a few weeks ago [2].

[1] https://docs.racket-lang.org/2d/index.html

[2] https://news.ycombinator.com/item?id=14657857

S4M··on Why I left Japan after 10 years
So... if I were to meet you somewhere in the US and tell you "wow, the train is so slow here, in France the TGV goes at 300 km/h, here it's only X!", would that make you (or others) angry?
S4M··on Why I left Japan after 10 years
Well I'm French (grew up and born in France, but my father is Vietnamese), and some people have trouble to accept that I am not from an Asian country. The conversation goes like this: "Where are you from?" "France" "Uh?? no, come on, seriously" "Yes, I'm from France" "OK, but... where are you born?" ""Uh... France...".

By the way, my wife is also Japanese... it's possible that our wives know each other :)

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