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    Saturday, February 29, 2020

    Latest in Pedestrian Object Detection: More accurate and stable! Computer Science

    Latest in Pedestrian Object Detection: More accurate and stable! Computer Science


    Latest in Pedestrian Object Detection: More accurate and stable!

    Posted: 28 Feb 2020 07:50 PM PST

    New Art of the Problem video on Recommender Systems

    Posted: 28 Feb 2020 05:39 AM PST

    Implementation of sqrt(x) using JavaScript - 100 Days of Leetcode Challenge - Day 5 Challenge

    Posted: 28 Feb 2020 11:34 PM PST

    Creating context-free grammars from language, can someone describe the following language?

    Posted: 29 Feb 2020 04:28 AM PST

    Does this mean a^k w consisting of an a, followed by w, where a is equal to the length of the string?

    submitted by /u/WantFurtherEdu
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    Big Data Analytics with PySpark + Tableau Desktop + MongoDB

    Posted: 29 Feb 2020 02:11 AM PST

    Is the 1973 edition of TAOCP outdated?

    Posted: 28 Feb 2020 04:30 PM PST

    I'm really into computer science and I love the low level, mathematical nature of the subject. I heard about TAOCP and read a bit of a pdf version that I found and found it incredibly interesting. I can't really spend the $150+ to get the newest editions, but I found the first three editions for a good price and I really want the physical books. The only problem is that they are the 1973 edition of the books. I want to know if the books are outdated at this point and I should just save the money or if the content is still relevant and the editions don't really matter. If anyone knows if there are major edition changes and the old books are still relevant, any information is greatly welcome.

    submitted by /u/LogarithmicEagle
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    A server dedicated to opinions, knowledge, and theory: Sciences & Humanities (Math, physics, programming), Philosophy, Psychology, Linguistics, & more. Political discussions and debates are also welcomed. Come engage in mind-stimulating discussion.

    Posted: 28 Feb 2020 04:33 PM PST

    The S lambda is the most threadable way to program, if the caching could be done efficiently. It could potentially make existing nonthreaded programs run in many threads.

    Posted: 28 Feb 2020 11:14 AM PST

    The S and K lambdas in https://en.wikipedia.org/wiki/SKI_combinator_calculus are turingComplete, and if used with caching of [function,parameter,return] triples, runs only log times slower than normal programming, times a big constant for having to jump around hashtables to lookup the cache.

    (S x y z) returns ((x z)(y z)).

    The (x z) and (y z) could fork different threads. When both of those return, (whatXZReturned whatYZReturned) could also be run in parallel with whatever other calls are happening, such as if each S calls many more S deeply and other times ends recursion.

    In https://github.com/benrayfield/occamsfuncer there is such a caching system and S is the main controlFlow, but I havent found a way to do it any faster by CPU threading or to run it on GPU, since in either case the caching is the bottleneck.

    Its possible a different kind of hardware, such as might be prototyped on a FPGA or some kind of cellular automata processor, might run some kinds of procedural code (such as having large loopBodies or having multiple things to do that dont interfere with eachother until later) as fast as a GPU runs parallel code.

    submitted by /u/BenRayfield
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    Gary Mckinnon - The Man Who Hacked Into The Army, The Navy, The Airforce, The Department Of Defense And Nasa..... amongst other things

    Posted: 28 Feb 2020 11:10 AM PST

    Japanese Scientists Create A Child Robot That Can "Feel" Pain

    Posted: 28 Feb 2020 04:14 AM PST

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