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    Wednesday, October 2, 2019

    What Does ‘Broken’ Sound Like? First-Ever Audio Dataset of Malfunctioning Industrial Machines Computer Science

    What Does ‘Broken’ Sound Like? First-Ever Audio Dataset of Malfunctioning Industrial Machines Computer Science


    What Does ‘Broken’ Sound Like? First-Ever Audio Dataset of Malfunctioning Industrial Machines

    Posted: 01 Oct 2019 10:02 AM PDT

    A Card Game To Teach Sorting Algorithms

    Posted: 02 Oct 2019 02:45 AM PDT

    Chanced upon this really cool way to learn the different types of sorting algorithms in a compltely unplugged way. The game is seriously really addictive - can't stop playing it! www.potatopirates.game/master-computational-thinking?utm_medium=link&utm_source=Reddit&utm_campaign=post&utm_content=suggest

    submitted by /u/Retrospecxz
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    I need to identify this file and its author!

    Posted: 02 Oct 2019 01:18 AM PDT

    Papers/books that explain how Docker works from a computer architecture/operating system perspective?

    Posted: 01 Oct 2019 07:23 PM PDT

    I've recently finished books on computer architecture and operating systems, which were very helpful but which did not cover how something like Docker works. Is there a good paper or book that describes the internals of Docker from the perspective of computer architecture/operating systems?

    submitted by /u/chinawcswing
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    Is Linux basically the same as Unix?

    Posted: 01 Oct 2019 08:51 PM PDT

    My Professor said we need to know Unix for the class. I've used neither Unix nor Linux before, but Linux definitely seems more popular and more worthwhile to learn. Are they similar enough that I can just learn Linux instead?

    (I'm asking here because it's hard to find a chance to speak to the professor)

    submitted by /u/ZoroUzumaki
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    Having trouble understanding big-o and big-omega when using the master theorem to prove recurrence relation..

    Posted: 01 Oct 2019 08:20 PM PDT

    Say I have f(n) = 2n, O(sqrt(n), and Omega(n2) for two cases.

    I can make both of these be true for a small n.

    2n <= O(sqrt(n)) = 2n <= c * sqrt(n)

    If n = 1 and c = 2, then this is true.

    For Omega,

    2n >= Omega(n2)

    2n >= c * n2

    If n = 1 and c = 2, this is true.

    My question is, I can pretty much prove any Omega or O with the right choice of c and n. Will either of these be sufficient to solve the problem or am I doing something wrong? Are there limits to the n that can be chosen? The proof for case 3 involving Omega states that n must be sufficiently large, but I'm not quite sure I understand what that is supposed to mean.

    submitted by /u/InvadingDingo
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    GitHub Releases Dataset of Six Million Open-Source Methods for Code Search Research

    Posted: 01 Oct 2019 11:32 AM PDT

    How to study for computer science?

    Posted: 01 Oct 2019 08:07 AM PDT

    Hello guys, i am starting my undergrad program next year and was wondering what is the best way to study for computer science? I've heard about mathemetics first years i hard, how to study for it? Any insight would be helpful

    submitted by /u/NoSwan0
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    What were your Final Year Project ideas?

    Posted: 01 Oct 2019 01:18 PM PDT

    I'm currently in my final year of Computer Science and I am stuck on a final year project idea.

    I must go out of our comfort zone with this project and incorporate multiple technologies.

    I would love to do something that involves music but i'm still stuck on what to do..

    submitted by /u/MrUnbannable
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    Working of video streaming in a multi-core processor

    Posted: 01 Oct 2019 09:18 AM PDT

    Hello people, I had a doubt regarding how multicore processors, or processors in general handle compressed video files.

    Details:

    Since most of the video files available are compressed, before the processor/GPU sends the frame to the display device, it has to decompress right?

    So assuming the codec is compatible with parallel processing and it's a multicore processor/GPU that is handling the file and streaming, to decompress the frames it fetches data from the memory, to the cache and post decompressing would the "data packets" be sent to a single core/ or single entry point either(core or io handler) to be encapsulated into a frame (if the parts of frames were formed by different cores) or if the frame was already fully created be sent to a common point(either memory or core or io handler) to be sent to the display device?

    Please comment if something is not clear, so that i can address it.

    submitted by /u/eternalsleep99
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    How difficult is it to transition to computer science/HCI from not CS background?

    Posted: 01 Oct 2019 03:54 PM PDT

    My background is in cognitive science, and I'm curious how difficult it would be to make such transition to work in the tech industry as an engineer. My initial goal is to get a masters program so I can fully transition to work in the tech industry. So, my near goal is to apply for grad schools in CS master programs (main interest in HCI).

    As for a brief background, I graduated from high tier college (3.2/4 GPA) with cognitive science. I did take 3 introductory CS courses, and 3 modeling courses, but for the intro ones, I performed poorly (C-, C, C), but for the rest of the upper level modeling courses, I received As. I wouldn't say programming expertise would be as proficient as for people who majored in CS, but I've been also working as lab manager for 1 year in computational modeling lab, mainly working on coding experiments and data processing.

    As for my admission-related concern, I'm concerned if CS program admission would negatively view my poor performance, and could my work experience be able to counterbalance my poor performance from undergrad?

    One irony I find is that while HCI is an interdisciplinary program that welcomes people from diverse background, it is mainly offered through the CS program, which I am aiming to get into.

    I've been pretty anxious lately as the application dates are approaching, and I will remove or redirect the post if it is inappropriate for r/compsci. I did post a similar post in r/gradadmissions, but I wanted to hear out from people that have been working in the field or had any similar experience.

    submitted by /u/mc7zia
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    Boolean Algebra and Demorgans Law

    Posted: 01 Oct 2019 02:39 PM PDT

    How can i go around doing this? I know the answer is B + A but i dont know how to get to that point. Thanks. https://imgur.com/Q5BtHpS

    submitted by /u/MurtazaSheikh12
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