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    Home Unlabelled Wrote a simple C# program to draw images on Paint (Source in the comments) Computer Science

    Wrote a simple C# program to draw images on Paint (Source in the comments) Computer Science

    October 10, 2020

    Wrote a simple C# program to draw images on Paint (Source in the comments) Computer Science

    Wrote a simple C# program to draw images on Paint (Source in the comments)

    Posted: 09 Oct 2020 11:00 PM PDT

    How do these two ways of enforcing alignment work together?

    Posted: 09 Oct 2020 09:36 AM PDT

    In Computer Systems: a Programmer's Perspective,

    Alignment is enforced by making sure that every data type is organized and allocated in such a way that every object within the type satisfies its alignment restrictions. The compiler places directives in the assembly code indicating the desired alignment for global data. For example, the assembly-code declaration of the jump table on page 271 contains the following directive on line 2:

    .align 8

    This ensures that the data following it (in this case the start of the jump table) will start with an address that is a multiple of 8. Since each table entry is 8 bytes long, the successive elements will obey the 8-byte alignment restriction.

    I think that alignment is enforced by computer automatically. If a compiler can also enforce alignment by the directive in assembly, how do the two ways of enforcing alignment work together and what is the priority between them?

    Does "every object within the type" mean "every object having the type", or "every element in the type (when it is a structure type or an array type)"?

    Thanks.

    submitted by /u/timlee126
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    Recommend me books to learn graph algorithms with algorithm/code/pseudocode and an example of graph traversal according to the pseudocode/algorithm/code

    Posted: 09 Oct 2020 09:22 PM PDT

    Having trouble understanding the terminating condition in Hoare's partition scheme

    Posted: 10 Oct 2020 12:38 AM PDT

    Pseudo code. If my understanding is correct we perform the swap operations in order to eliminate all found inversions w.r.t. to our pivot element. But if I were to asked explain in plain English why we stop the scan operation when i >= j, I couldn't give a reasonable answer. So i.) why when i >= j we know that are done and why do we return j? Bonus question: Why are the variables i and j initialized and incremented the way they are?

    Thanks!

    submitted by /u/wabhabin
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    Geometric Series Calculation for Total Nodes generation Confusion-:

    Posted: 09 Oct 2020 06:43 AM PDT

    What Norvig, Russell Says-:

    Suppose that the solution is at a depth d, in the worst case, we would expand all but the last node at level d(since the goal itself is not expanded) generating bd+1-b nodes at the level d+1.

    Then the total number of nodes generated is-:

    b+b²+b³+...+bᵈ⁺¹ -b =O(bᵈ⁺¹)

    But I did my calculation and here is what I got-:

    https://imgur.com/sa7HVaO

    Which is in the O(bd-1).

    What is going wrong here? I think I am right, but Norvig and Russell are legends, I can't believe they are wrong here.

    submitted by /u/hnlintune
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    Pose Animator: SVG animation tool using real-time human perception TensorFlow.js models (links in comments)

    Posted: 09 Oct 2020 11:05 PM PDT

    Download Artificial Intelligence Queries With Solutions

    Posted: 09 Oct 2020 10:04 PM PDT

    Reuse or Rewrite Code: When to Start from Scratch Free Lunch and Learn Webinar

    Posted: 09 Oct 2020 05:31 PM PDT

    Hi everyone, I thought you may be interested in this event that my company is hosting. Def Method is hosting a free lunch and learn webinar on Friday, October 23rd at 12pm-1pm EST. In this panel discussion featuring Def Method Software Engineers, we'll be discussing factors to consider when deciding whether to reuse or rewrite code.

    When it comes to old code, you have two options: re-use existing code or toss it and rewrite. You may not want to rewrite because you could lose everything, and it could fail. But if you do not rewrite, you could fail and lose everything.

    Here are some factors to consider: How long will it take to rewrite the code? What's the scope of the code? Do your engineers know the new stack you want to write in? Will the code be active while you're trying to replace it? How much money is the code making your company? Join us to learn more.

    RSVP here! https://www.eventbrite.com/e/reuse-or-rewrite-code-when-to-start-from-scratch-tickets-124614440145?aff=Reddit

    Also, we're hiring for a Senior Product Manager https://grnh.se/33166a5a1us
    and we're hiring a Senior Software Engineer https://grnh.se/697bbb761us
    and a Senior UI/UX Designer https://grnh.se/a196bb591us

    submitted by /u/defkathy
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    Lessons from 5 mathematical "proofs"

    Posted: 09 Oct 2020 11:54 AM PDT

    Does this alignment of structure objects apply only to structure objects being used as elements of an array?

    Posted: 09 Oct 2020 09:37 AM PDT

    In Computer Systems: a Programmer's Perspective,

    In addition, the compiler may need to add padding to the end of the structure so that each element in an array of structures will satisfy its alignment requirement. For example, consider the following structure declaration:

    struct S2 { int i; int j; char c; };

    If we pack this structure into 9 bytes, we can still satisfy the alignment requirements for fields i and j by making sure that the starting address of the structure satisfies a 4-byte alignment requirement.

    Consider, however, the following declaration:

    struct S2 d[4];

    With the 9-byte allocation, it is not possible to satisfy the alignment requirement for each element of d, because these elements will have addresses x_d, x_d + 9,x_d + 18, and x_d + 27. Instead, the compiler allocates 12 bytes for structure S2, with the final 3 bytes being wasted space. That way, the elements of d will have addresses x_d, x_d + 12, x_d + 24, and x_d + 36. As long as x_d is a multiple of 4, all of the alignment restrictions will be satisfied.

    What does "allocates 12 bytes for structure S2, with the final 3 bytes being wasted space" happen to:

    • only S2 structure objects which are used as elements of an array, or
    • any S2 structure object whether or not it is an element of an array?

    Thanks.

    submitted by /u/timlee126
    [link] [comments]

    Someone interested on compute the 9 Dedekind Number ?

    Posted: 09 Oct 2020 06:42 AM PDT

    I write a C program that computes M8 after 51'.

    submitted by /u/JOSMAN-UE
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    PwC-Powered Code Tab Added to arXiv ML Papers

    Posted: 09 Oct 2020 12:06 PM PDT

    Tired of searching for and copying GitHub links in arXiv papers to find the code? Papers with Code (PwC) is here to help! PwC and arXiv jointly announced their partnership yesterday, unveiling a convenient new Code tab on the abstract page of arXiv Machine Learning articles. PwC says the new feature will make it much easier for researchers and practitioners to access and build on the latest machine learning research.

    Here is a quick read: PwC-Powered Code Tab Added to arXiv ML Papers

    submitted by /u/Yuqing7
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    What happens if I don't pass C958 (Calculus) in the 6 month term?

    Posted: 09 Oct 2020 09:01 AM PDT

    Hey guys, so I was just trying to plan ahead for worst case scenarios. If I don't pass this class within the 6 month term, can I possibly move it over to the next term? I'm down one month right now and there's anxiety in me that I might not get this class done with.

    submitted by /u/mkhadar
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    My first blog post on Medium.com - Build a Real-Time ISS Tracker using Javascript

    Posted: 09 Oct 2020 07:48 AM PDT

    Hey friends, today I wrote my first blog post on Medium.com and I am very much excited to see what may be the feedbacks!

    You can view the tutorial here - https://medium.com/@thecodingpie/build-a-real-time-iss-tracker-using-javascript-f3809e54ba70?source=friends_link&sk=a433e98505b36d46badb95e5dcc723ee

    Tried my best to break this tutorial into small steps, so that any beginner can understand it. Hope you like it :) As always, any feedback is accepted...

    submitted by /u/thecodingpie
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    Any good free good ebooks?

    Posted: 09 Oct 2020 04:11 AM PDT

    That talks about Binary octal decimal and hexadecimal?

    submitted by /u/JstWntSmFrshMms
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    Read more
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