Roberto Abraham Scaruffi

How can you demonstrate that  is equal to 2? Min Lin 223 votes Here is the solution with some different perspective. Look at these simple examples: ... Read More »

Which algorithms are used in recommender systems? Alex Housley, CEO at Seldon. Creator of Genome Lase... 33 votes We recently released an open-source predictive machine learning platform called Seldon (under Apache License 2.0), which includes the following algorithms that can be used ... Read More »

What's the best sentence I can add to the lock screen of a mobile phone to increase the chance that it will be returned if found? Abd Ul-Rahman Lomax 470 votes Okay, my iPhone 5 was stolen, a year ago, I'd turned my back while it was charging in a bus station. I called AT&T and they could track the phone, walking down the street. ... Read More »

What are some operations, besides integration, that turn functions into numbers? Dan Piponi, Googler 36 votes Let me up the ante. How about an operation that turns functions that turn functions that turn numbers into numbers into numbers into numbers? ... Read More »

How do prisoners get so muscular? Christopher Schuhmacher, inmate San Quentin State Prison 933 votes When I first came to prison back in 2001, I knew that I would be entering a treacherous environment. Instinctively, I felt the Darwinistic importance of staying in shape i... Read More »

Why do people pursue academic research even though it pays less than industrial research? Shriram Krishnamurthi, Professor of Computer Science, Brown ... 543 votes As others have pointed out, you're assuming that people are in it only for the money. Academic researchers in the US are not poorly paid, but they do forego better salaries... Read More »

Why do humans eat so many simple carbs (bread and what not) now when we evolved eating only fruits, vegetables and meat? Adriana Heguy, molecular biologist, genomics researcher 26 votes We have also evolved to eat starches and process them by increasing the number of copies of the amylase gene. Amylase breaks down into simple sugars that can be utilized by... Read More »

Is a career in computer science really worth it? Rachel Fong, person 1.2k votes When some people think of computer science, they think of mobile apps, or cubicles, or hipster hackers, or gamer nerds, or server farms. These are all things that exist in ... Read More »

How did Feross Aboukhadijeh learn to program? Feross Aboukhadijeh, Stanford '12 1.4k votes TL;DR: I learned how to program by building lots of websites. And now, the full story: ... Read More »

I was recently told, after 10 minutes in an internship interview, that I'm "just not cut-out for Facebook." What (if anything) can I take away from this feedback to improve for the future? Ankur Pansari, Some random dude 1.3k votes If that was the wording that was used exactly, then please send me a PM with the details including the interviewer's name. I'd like to send it to some of my friends at Face... Read More »