Roberto Abraham Scaruffi

If I have a Mac, what kind of operating system do I have? Tony Li, Internet Geek 35 votes You're running Mac OS X, of some version, if you mean a Mac sold in the past 10 years. It's a Mach based microkernel, with a FreeBSD-based wrapper around it to give it Uni... Read More »

Were there really warriors in the middle ages who survived most battles and went through killing opponents with single slashes? Max Singer, a student of history 1k votes Your answer reveals some of the stereotypes movies have produced over the years, let's go a little into detail: Survive most battles: This was surprisingly easy as there r... Read More »

What's the largest prime number made of only one digit/symbol? David Joyce, always learning 453 votes A Repdigit a number that can be represented in some base with a repeated digit. Here we're considering base ten, so an example of a repdigit is 7777777777777. The questi... Read More »

What is it like to work with Peter Norvig? Erik Bjäreholt, next version constantly being rolled ... 46 votes I can't speak about it directly but I once had an email conversation with a PhD student at Stanford (Yoni Donner) who had worked with Peter at Google and this is what he ha... Read More »

How can a 14 year old best learn machine learning? Jeff Nelson, Invented Chromebook. Former Googler. 85 votes If you are working through the online courses from Stanford, Coursera, or Khan Academy, that's a good place to start. You'll also want to try to learn as much math (includ... Read More »

How do I compute the integral ? Brian Bi, software engineer and all-around nerd 103 votes Make the substitution ; ... Read More »

What's so difficult about Dutch? Rupert Baines, Thinking on next challenge. Wireless,... 849 votes The fact that bloody everyone speaks PERFECT. BLOODY. ENGLISH. I am not joking. ... Read More »

How can I come to terms with the fact that so many people I know got into Harvard, when I've worked nonstop for my entire life to get there and didn't make it? Ellen Vrana, Writer 3.0k votes So you worked your butt off, were praised constantly, and then didn’t achieve your dream. That is your story, right? Let me tell you how I would tell your story: ... Read More »

Why do some companies want fresh graduates so badly? Joe Wezorek 476 votes Because you can pay them less and they will often put up with more bullshit regarding hours, on-call, weekends, crazy code complete dates, and so forth because (a) they don... Read More »

What were the major errors in Darwin's original theory of evolution? Ian York, Virologist, immunologist, biologist 220 votes Darwin had no knowledge of genetics. He didn't understand how heritance worked, let alone how genes worked. That meant he didn't understand how his theory could work, and... Read More »