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    Speculating the entire x86-64 Instruction Set In Seconds with This One Weird Trick Computer Science

    Speculating the entire x86-64 Instruction Set In Seconds with This One Weird Trick Computer Science


    Speculating the entire x86-64 Instruction Set In Seconds with This One Weird Trick

    Posted: 26 Mar 2021 05:38 AM PDT

    I'm in the process of creating a fully self-driving car simulation in python from scratch in order to learn about autonomous navigation

    Posted: 27 Mar 2021 04:00 AM PDT

    I'm a Ph.D. student working on path planning for mobile robots and i own a new youtube channel

    link: https://www.youtube.com/channel/UCR27JFRfdHEiMdSoCUeZAGg

    one of the main topics in my field of study is the autonomous navigation of vehicles, in order to gain proper knowledge and skills related to this topic I decided to make a self-driving car in simulation, and to make things a little bit challenging I'm doing this in python from scratch, so here's what I did so far :

    1 . made a virtual environment using pygame

    1. generated square obstacles in random locations to simulate real-life situations

    2. created a laser sensor that operates in a pre-defined radius

    I'm planning to use the Extended Kalman filter to implement the SLAM technique so here's the image of what I accomplished so far, any advice?

    https://preview.redd.it/w7a6jxmdyjp61.png?width=799&format=png&auto=webp&s=aae8f9f4d6ff5a4b9954d23dab8b9d36b74af4d7

    https://preview.redd.it/1813fkwcyjp61.png?width=1446&format=png&auto=webp&s=3008099c7ac538303f7d8aa151ca33e5d72f20ee

    submitted by /u/EnvironmentalMap5
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    Kosaraju vs Tarjan SSC

    Posted: 26 Mar 2021 08:54 PM PDT

    I know that both are depth first search algorithms but Tarjan's only require one depth first search whereas Kosaraju's utilize two. Can someone please explain to me if there are any differences to these algorithms and which algorithm would be best suited for each application.

    submitted by /u/linguinemaster
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    Request for Comments: Material on Specifying Programming-Language Semantics

    Posted: 26 Mar 2021 06:00 AM PDT

    I teach an undergraduate survey of programming languages class (junior/senior level). Along the way, I cover five significantly differing programming languages, and students write a lexer, parser, and interpreter for an algol-ish language that I invent. I'm generally very happy with the class material, except for the part about specification of semantics.

    I cover formal syntax specification heavily. In contrast, I say almost nothing about formal semantics specification; I don't think it's appropriate to get into it very much in a class at this level. However, it doesn't seem right to skip it entirely. So I spend one class day (1 hour) on very light coverage of semantics specification. I talk about various formal methods -- without ever introducing any notation. Then I look at some real-world semantics specifications: the Haskell Report, the C++ Standard, and others as time permits.

    But, as I said, I'm not really happy with what I do with this topic. The latest version of the slides I use can be found here [PDF, 141K, 18pp], and I wonder if anyone has any comments. Is this material worth covering at all? Is there some other approach that would be more worthwhile?

    submitted by /u/ggchappell
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    Questions for a prospective college faculty?

    Posted: 26 Mar 2021 12:37 PM PDT

    If you were a HS senior and considering different colleges and could ask some questions of the computer science faculty of a college you're interested in, what might they be? Thanks in advance. Asking for a son (-:

    submitted by /u/DaveBobSmith
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