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rxaxm | 8 years ago | on: Friends Are Genetically Similar (2014)

> Topping the list for common genes were those related to our sense of smell. One explanation for this is that people with similar olfactory genes will smell things in the same way and so be drawn to (or repulsed by) similar environments... The opposite pattern held for genes related to immunity -- friends tended to be less similar at those parts of the genome.

This makes me think of the thesis of "Sex At Dawn" by Christopher Ryan and Cacilda Jetha. If humans evolved as polyamorous foragers for whom communal bonds were more important than paternal certainty, then it makes sense that you want your friends to like the same environments and add immunological diversity to your shared gene pool.

rxaxm | 9 years ago | on: Do Evil with ESP8266: Slow Down the WiFi

> [T]he impact of adding a second evil ESP8266 is much greater than the first one. One possible cause is the exponentially increased probability of having the channel jammed due to simultaneous transmissions on the same channel.

The reason is that TCP connections increase their speed linearly (aka the the first derivative of packet transfer is increasing) until they experience packet loss. If many packets are lost, or if the network is congested, the speed will not increase

rxaxm | 11 years ago | on: Ask HN: How do you manage/treat RSI?

yeah. i saw a specialist at the university hospital who pretty much told me there are genetic factors (weaker ligaments on the inner side of my fingers) that pretty much mean i'm shit out of luck so long as i keep typing. he also suggested more cardiovascular exercise and working in warmer environments (as it is largely a blood flow issue)

rxaxm | 11 years ago | on: Creator of Raft Algorithm introduces LogCabin

diego, thanks so much for raft! i'm a student in the brown class you shout out, and i can testify as to its relative simplicity and the clarity with which you guys communicate the ins and outs.

i have a question for you, though. why is raft not concerned with byzantine failure? the focus on byzantine fault tolerance from the paxos family of algos (and a lot of the literature/educationally material on distributed consensus) makes me feel like it's important, but your approach suggests it perhaps isn't. do you think this focus is a side-effect of the ubiquity of paxos which is disproportionately concerned with this due to its roots in academia?

rxaxm | 11 years ago | on: Hacking with Andrew and Brad: an HTTP/2 client in Go [video]

brad has a fairly light-weight go setup for emacs. from what i can tell, he just has gofmt run on save and the go import plugin that reads his code and adds/removes import statements appropriately.

mine includes auto-complete (that is conscious of the AST) and linting/error checking. i suspect brad has jump-to-definition and the other stuff that comes with the go emacs mode, but he doesn't use it.

rxaxm | 11 years ago | on: Stellar

lol refresh logs you out!

rxaxm | 11 years ago | on: Uber Sets Valuation Record of $17B in New Funding

there are a lot of rich people without cars (a lot of manhattan). i know tons of people who hate cabs and can't really justify a full-time driver--these people take a lot of ubers. also, cabs can only take 4 people at a time. the ability to call a large car when going out has a made a huge difference.

rxaxm | 12 years ago | on: Show HN: LightPaper for Mac – Free Markdown editor

the best markdown editor BY FAR is IPython Notebook. What other markdown engine will render math (mathjax) and do syntax highlighting for you. I ended up grabbing all their js for a markdown-based blog platform I built myself

another neat markdown hack is to get the quicklook markdown renderer (if you're on os x) and then use copy in the github markdown CSS. you can see immediately what you're README.md files are gonna look like right away in finder

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