Roberto Abraham Scaruffi

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Am I a better programmer than 99.5% of the "real" programmers? Joshua Engel 86 votes Article fails its own FizzBuzz test. The link that it uses to back up the claim: Like me, the author is having trouble with the fact that 199 out of 200 applicants for eve...  Read More » Is it better to invest in rental properties or dividend stocks? Ben Y. Zhao, Professor in CS (networking, data min... 89 votes I'm not going to give a complete answer, but I wanted to add one opinion. Do NOT invest in REITs right now (circa 2015). ... Read More » What kinds of conversations only happen in China? Peter Niu 1.6k votes I had this conversation last year, 30 minutes into a first date. We were both 25: Girl: "So Peter, how much do you make each month". Me: "Um... [an amount]".... Read More » Why are some people so crazy about Ferrero Rocher candy? Dan Holliday, Recruiter, Traveler, Runner, CrossFit... 539 votes Gotta agree with Señor Burgess on this matter. It's befuddling. Look, unless you're especially sensitive to texture or you've been spoon fed the finest chocolate on Earth... Read More » Why is docking during space travel such a difficult process if it is something that has to be done frequently? Robert Frost, engineer/instructor at NASA 1k votes Unfortunately, we don't always get to decouple difficulty from frequency. Docking is difficult because it is hazardous. It involves bringing two massive objects into a p... Read More » How would you explain why the [math]i[/math] in[math]e^{ix}[/math] turns it into a periodic function? Alon Amit, Mathcircler and Origamist. 223 votes Thinking of [math]e^x[/math] as "multiplying[math]e[/math] with itself [math]x[/math] times" is a great way to get very confused. It makes no sense to multiply a number with itself 7.2 times, or -3 times, or [math]\sqrt{2}[/math] times,... Read More » What kind of programmer will be in shortage in the future? Mattias Petter Johansson, Software Engineer @ Spotify 759 votes Like other answers mention, senior developers will stay in high demand. Development still takes a very long time to learn, and I've read few indications that we are trainin... Read More » What are some useful basic math tricks that most people don't know about? Qiaochu Yuan, PhD student in Mathematics at UC Berk... 168 votes A divisibility trick In high school, when I was bored at math competitions, I used to look for a number written somewhere around me and try to find its prime factorization... Read More » What are some good computer tricks that are not commonly known? Adrian Barwicki, vicigo.com 156 votes Try to write piwo-to-jest-to! on FB chat... If you write 'piwo.to-jest-to!' on FB messenger (desktop), FB will not send it. Instead, you will get a notification that a sec... Read More » Does more sleep really mean better academic performance among Caltech students? Adam D'Angelo, Quora CEO 1.2k votes When I was there, there was a term called "wake and take". It meant that you'd study for a test all night until you got tired, go to sleep, and take the test as soon as you... Read More »