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    Study group for Introduction to Statistical Learning (with R) by Gareth James Computer Science

    October 05, 2020

    Study group for Introduction to Statistical Learning (with R) by Gareth James Computer Science

    Study group for Introduction to Statistical Learning (with R) by Gareth James

    Posted: 04 Oct 2020 07:32 PM PDT

    Introduction to Statistical Learning (with applications in R) by Gareth James

    Study group Discord link: https://discord.gg/6qZxuHk

    submitted by /u/rahul_ahuja
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    A Fun Way of Solving Sudoku, And an Easy Way of Understanding Simulated Annealing

    Posted: 05 Oct 2020 02:31 AM PDT

    I recently did a project where I solved sudoku using Simulated Annealing. Simulated Annealing is a cost minimization algorithm that does so by making random moves and using probability.

    Here is the video where I go over the solution if you'd like to take a look at it: https://youtu.be/FyyVbuLZav8

    Here is the code if you want to skip the video and go straight to it. It is written in python: https://github.com/challengingLuck/youtube/blob/master/sudoku/sudoku.py

    Let me know what you think!

    submitted by /u/challenging-luck
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    Good resources to learn problem solving, math and mindset needed when programming?

    Posted: 05 Oct 2020 02:41 AM PDT

    I feel like once you're fairly familiar with a few programming languages you can just google your way to making anything. I know learning syntax is important however this can be instantly found in a book or online.

    What are some good places to learn how to think, math, problem solving and writing clean code?

    I'm just starting my CS masters degree and i want to improve in this area.

    Thanks in advance!

    submitted by /u/largebatteredcod
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    Why don’t we use ad-hoc instead of cellular?

    Posted: 05 Oct 2020 01:34 AM PDT

    I feel that big cellular towers that connect us are irrational compared to just having everyone connected directly to each other (like ad hoc networking). There wouldn't be any cell phone bills. The upfront cost may be more though. I understand that ad hoc networking could be slower. If we put as much research into it as we do cellular, I bet it would end up being better. Our phones already have tons of processing power a little bit of it could be devoted to ad hoc. WiFi would still have its place, as it does now. Cellular/ad hoc towers could even support in less populated areas. Hams already create their own repeaters, the towers could be similar. On the other hand, the big companies have no push to do anything like this. They end up losing money in doing so. (I'm not sure if this subreddit is the best one for posting this in)

    submitted by /u/Blazermcfun
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    Parsing Linear Grammar

    Posted: 04 Oct 2020 10:06 AM PDT

    What is the fastest algorithm to parse linear grammars? The given Grammar is not limited to left or right linear only but rather a mix of those. There must be a faster way to decide if a word can be created than using the CKY algorithm.

    Edit: I don't really care about a parsing tree but only want to know whether a word is part of the given grammar or not.

    submitted by /u/Remarkable-Guidance7
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    Its and bytes question

    Posted: 04 Oct 2020 06:59 AM PDT

    I know this topic has been asked a lot in the internet but cant seem to find an answer to an specific question I have.

    So i understand that memory storage is referenced to powers of 2 because the most basic storage can hold a binary value. However, i cant understand why it scales this way.

    Lets say we want to create a hard a 1mb hdd(1024 bytes as 210). In the posts I have found the reason to do this is because you dont want to waste bytes since the moment you add one you go to 1024 instead of 1000 possible values. However, this is all based on the idea that 1 byte is 8 bits, why cant you add any number of bits to create exactly 1000 byte storage? Or I could ask, why is the standard increment in storage a power of 2 instead of a strict number of bits/bytes

    Thanks,

    submitted by /u/surface33
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    Theory of Computation - The Language L & Turing Machine

    Posted: 04 Oct 2020 07:49 AM PDT

    I took a theory of computation course about a year ago and I'm studying for interviews now. I'd like to bring it up in case I ever get asked about structural/functional programming... but I'm not sure if they're both just procedural or structural or can also qualify as functional programming. Thoughts?

    Here are some examples: Turning Machine & The Language L

    ​

    Any thoughts?

    submitted by /u/helptraviecode
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