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    CompSci Weekend SuperThread (August 24, 2018) Computer Science

    August 24, 2018

    CompSci Weekend SuperThread (August 24, 2018) Computer Science

    CompSci Weekend SuperThread (August 24, 2018)

    Posted: 23 Aug 2018 06:06 PM PDT

    /r/compsci strives to be the best online community for computer scientists. We moderate posts to keep things on topic.

    This Weekend SuperThread provides a discussion area for posts that might be off-topic normally. Anything Goes: post your questions, ideas, requests for help, musings, or whatever comes to mind as comments in this thread.

    Pointers

    • If you're looking to answer questions, sort by new comments.
    • If you're looking for answers, sort by top comment.
    • Upvote a question you've answered for visibility.
    • Downvoting is discouraged. Save it for discourteous content only.

    Caveats

    • It's not truly "Anything Goes". Please follow Reddiquette and use common sense.
    • Homework help questions are discouraged.
    submitted by /u/AutoModerator
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    The System Design Primer: Learn how to design large scale systems

    Posted: 23 Aug 2018 06:08 AM PDT

    The Abstract Calculus

    Posted: 23 Aug 2018 03:52 PM PDT

    Learning Virtual Memory

    Posted: 23 Aug 2018 04:26 PM PDT

    In my CS class we are learning about virtual memory (as an abstraction of an OS) and I'm completely lost. Things like virtual address space ans page table entry size dont really make sense to me.

    Is anybody able to give me some resources so I can teach myself in my spare time?

    Thanks in advance.

    submitted by /u/AlKanNot
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    What is the fastest CPU architecture in terms of processing power?

    Posted: 23 Aug 2018 08:06 PM PDT

    Let's say I take every cpu architecture (cpu, cache, maybe even coprocessors and RAM, and all that) and move them all to the same CPU clock speed (I dunno, 1GHz, if it makes a difference). What is the fastest CPU architecture in terms of processing power?

    Edit: And that includes legacy systems, like Commodore 64, NES, or even the old 8086...

    Edit 2: And, maybe a reason or two why

    Edit 3: How about we benchmark with a program that writes 100 random 8-bit integer values between 0 and 255, prints the values to screen, then bubble sorts them from greatest to least, prints again, then reverse the order to least to greatest while multiplying each value by a random value between 0 and 255 and storing in a new array that'll accommodate 16 bits per integer...then prints to screen. Both arrays need to be cleaned up and deallocated before closing the program.

    I want the architecture that does all that in the least number of clock cycles.

    submitted by /u/SuperGameTheory
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    Doing something for social good

    Posted: 23 Aug 2018 09:37 AM PDT

    I am currently a uni student and I want to apply my skills to do some social good. Any tips or advice on how to do so would be appreciated.

    submitted by /u/Just1otherstranger
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    Any way to get grocery store product prices?

    Posted: 23 Aug 2018 08:29 PM PDT

    I need an api that gets me the prices of every product in Canadian grocery stores. Can't seem to find any

    submitted by /u/chriscoskenobi
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    Using Python in Web Development

    Posted: 23 Aug 2018 12:36 PM PDT

    Can someone compare backend web development usomg Python/Django, with someone node.js based, like an express backend server?

    To give a little context, I've been working with a Django backend and I keep running into trouble with constantly having to convert dictionaries into json or parse strings into json, or some other random data mapping, just to interface with fields within the data.

    Compared to writing backend applications in node.js, I'm having way more trouble keeping data manipulation patterns consistent, and it just takes longer because it seems like every time I manipulate data, I need to explore some error saying why I can't access or update a certain field.

    ** Is this a common experience with python in general, do I just need more experience, or is it one of those grass is greener on the other side situations? ** Django and Python are definitely better in certain aspects, so it could be worth the trouble.

    submitted by /u/colanzio5
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