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    Home Unlabelled If you find Turing-completeness interesting, I wrote and article about some surprising examples e.g.: Braid, Minesweeper and more Computer Science

    If you find Turing-completeness interesting, I wrote and article about some surprising examples e.g.: Braid, Minesweeper and more Computer Science

    7 years ago

    If you find Turing-completeness interesting, I wrote and article about some surprising examples e.g.: Braid, Minesweeper and more Computer Science

    If you find Turing-completeness interesting, I wrote and article about some surprising examples e.g.: Braid, Minesweeper and more

    Posted: 17 Jan 2018 10:09 AM PST

    My Favorite Algorithm: Linear Time Median Finding

    Posted: 17 Jan 2018 11:13 PM PST

    Entity Relation Diagram Check

    Posted: 17 Jan 2018 07:45 PM PST

    Hey,

    I've been trying to create an entity relation diagram which follows these instructions.

    Here is my attempt.

    I apologize for the chicken-scratch in advance. If it is too hard to read, please let me know and I will redo it so that it is easier to read.

    Any advice is appreciated.

    Thank you for your help

    submitted by /u/CsStan
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    Microsoft MakeCode

    Posted: 17 Jan 2018 10:29 PM PST

    Reducing a set of numbers to one number that can be reversed?

    Posted: 17 Jan 2018 01:22 PM PST

    I'm not sure where to ask this because it doesn't necessarily pertain to CS directly, but in the context of my problem it does.

    Let's say I am given 5 unique numbers integers I need to retain for later, but I cannot store them directly. The only way I can store them is by combining them into a single number using basic operations. Is it possible to do this such that the single number can be disassembled to yield the original 5 numbers? If not with basic math operations, is it possible otherwise?

    EDIT: Just to clarify, I want to make a rule with addition, subtraction, multiplication, division, and/or modulus in a certain order to reduce a set of numbers such that I get a single number with as little information as possible. But without storing any of the original numbers (perhaps storing only the number of numbers in the original set) I can reverse the rule to get the same numbers back.

    submitted by /u/ta44813476
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    Does anyone have the chaiOS HTML?

    Posted: 17 Jan 2018 07:51 PM PST

    chaiOS is an iOS exploit that was recently discovered. It was a webpage that that caused iPhones to shutdown and start heating up if you sent them a link to it in a text message. The website was hosted on GitHub by the person who discovered it, but it has since been removed and returns a 404 now.

    I was interested in seeing the source code. Does anyone have a copy of it, or know how it works? I'm trying to wrap my head around how a piece of HTML/JavaScript can do that much harm to what's supposed to be a high-end commercial operating system.

    submitted by /u/mghoffmann
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    The value of Event Sourcing

    Posted: 17 Jan 2018 06:23 PM PST

    I have the most boring teacher in all my first year compsci courses at college. Would love to hear stories about teachers you loved and how they made class/lectures/labs enjoyable for you.

    Posted: 17 Jan 2018 02:53 PM PST
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