Roberto Abraham Scaruffi

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What are P, NP, NP-complete, and NP-hard? Jessica Su, CS PhD student at Stanford 899 votes These refer to how long it takes a program to run. Problems in class P can be solved with algorithms that run in polynomial time. Say you have an algorithm that finds the... Read More » Is society conditioning us to think that we have to have a job to get money? David S. Rose, Make it, spend it, save it, invest it... 84 votes The link that you are referring to is a come-on for a scam. Keep in mind the adage "there's no such thing as a free lunch." The gibberish that Pavlina is spewing is just t... Read More » Will C/C++ be replaced by a modern low-level language in the future? Dima Korolev, Used to teach C++. 176 votes Yes. C was replaced by modern low-level C++.... Read More » What is the quickest way to get people to trust you? Brandon Lee, I've met a few people in my life 328 votes Apologize for circumstances that are out of your control. According to a 2013 study conducted by Harvard, Wharton, and UPenn researchers, simply apologizing for the rain ... Read More » If the universe started about 15 billion years ago, according to the Big Bang Theory, how can the universe be 46 billion light years wide if nothing can travel faster than light? Thomas Pilgaard, "The more you know, the more you real... 857 votes Picture yourself on a road. A very long road. You cannot see the end of it, even on a clear day. This is a very special road. ... Read More » What are some cooking myths that, in real life, don't help? Jonas M Luster, trimethylxanthine addict 441 votes Some of the more common ones: You can not "sear meat to seal in juices" ... Read More » What is the one book you have read that changed your life? Why or how did it change it? Innath Fazal, Hopeless Optimist 68 votes Pride and Prejudice by Jane Austen I wouldn't say this book changed my life but it did change little qualities which made me a better person and that's life changing for m... Read More » What is the ultimate sandwich? Kenwan Cheung, I like learning 76 votes I think Banh Mis are the perfect sandwich. To me, the perfect sandwich always starts with the bread. Quality bread takes a sandwich from good, to great. ... Read More » What's an intuitive way to understand entropy? Mark Eichenlaub, PhD student in Physics 1.2k votes Entropy is how much information you're missing. For example, if you want to know where I live and I tell you it's in the United States, that's high entropy because the US i... Read More » Why does adding olive oil to the water prevent spaghetti or other boiled noodles from sticking together? Garrick Saito, likes food 239 votes It's not quite working the way you think it is. Oil floats on water because it is lighter. ... Read More »

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