Showing posts from August, 2018

downloading folders from google drive.

I wanted to download some course material on RL shared by the author via Google drive using the command line.  I got a bunch of stuff using wget a folder in google drive was a challenge. I looked it up in SO which gave me a hint but no solution. I installed gdown using pip and then used: gdown --folder --continue if there are more than 50 files you need to use --remaining-ok and only get the first 50. In such a case its best to download using the folder using the UI and decompress locally. Decompressing from the command line created errors related to unicode but using the mac UI I decompressed without a glitch.

Big Data Analytics Israel - New Year, New Data Scientist Job: 5 Things To Think About

Data science interviews can be over whelming  New Year, New Data Scientist Job: 5 Things To Think About My notes: The first talk was by: Raya Belinsky -  "New job - yes or no?" The talk about finding your next job or reinventing your current jobs. Miss Belinsky's humour and background as an executive life-coach made this talk both pleasant and worth-while. She covered her operational definition of job burnout Linkin profile - complete the profile (it tells you what to do) The CV - ask 2 people to prepare it The Interview - e.g. prepare 3 questions Each had at least a couple of points worth taking care of in your next round of job search. Check out the talk and slides when they go online. Second talks by: Nathaniel Shimoni - "Life story" Mr Shimoni is an experienced story and had a compelling story to tell and his own twiting path to  becoming  a da

Paratroopers Puzzle

Puzzle: Two paratroopers are dropped onto a practically infinite railway track. Both were given a note with the identical instructions... They both follow the instructions and eventually meet up. What did the note tell them to do? Answer: To drop their para-shoots on the track. Then they should run north 10 steps then switch and run 3 times to the south and switch again and triple and do not stop until they meet or reach the other parachute... The fun answer: The standard random walk has the properties related to the normal distribution (which Bernoulli approximates as N approaches infinity). For the random walk the mean position for the random walker is his or her starting point. The variance however grows with the root of the time. So pretty much any random walk would work as a rendezvous strategy - whenever they run past a pub, pop in and do not leave until you are punch drunk is probably as good randomising strategy for the above answer. For more details you can look a

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