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Type: Posts; User: Swordsman

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  1. Replies
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    I'm pretty sure that I answered this within the...

    I'm pretty sure that I answered this within the absolute first paragraph (and the program is actually C++ that uses this method because it's quicker):





    No, my first port of call was looking...
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    913

    You suggest that I should learn C# by some other...

    You suggest that I should learn C# by some other way apart from programming in C#? Should I give Go a bash to see if it helps instead?
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    913

    File Reading Help

    Hi all,

    My C# is VERY basic, but I've been given the task of converting a C++ program into C# anyway. This part of the program is pretty simple, and is trying to read a certain amount of bytes...
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    I've changed the initial array to include 0 and 1...

    I've changed the initial array to include 0 and 1 to match the positions of the vector up.

    Thanks for the help anon, here is the finished code:



    vector<int> primes;

    int n, numToCheck;
  5. Replies
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    Thanks for your continued help. My second for...

    Thanks for your continued help.

    My second for loop has changed to:



    for(int j = numToCheck; j < primes.size(); j += numToCheck)


    though I am still wondering how to mark the numbers in...
  6. Replies
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    Thanks for the comments. I was using two...

    Thanks for the comments.

    I was using two vectors as the plan was to remove them as I go, and not just mark them, which looking at the algorithm, is the wrong way to do it. I started with the...
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    Deleting Vector objects in a for loop

    Hi all,

    I am currently trying to implement a Sieve of Eratostheneses in C++ as part of a book I am learning. The objective is to find all of the prime numbers between 1 and n in a list. To...
  8. Replies
    153
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    217,123

    Sticky: Has anyone mentioned Bjarne Stroustrup's P3 book...

    Has anyone mentioned Bjarne Stroustrup's P3 book yet?

    After purchasing many, many books focusing on learning C++, I still rate this as the best. Hell, I happen to think that this is the best...
  9. Replies
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    2,576

    So, when exactly would one use the Creature...

    So, when exactly would one use the

    Creature creature;
    Creature creature = new Creature();
    Creature* creature

    initialisations?

    Can anyone think of any use cases to split up how you would...
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    2,306

    OpenFileDialog and MSDN

    Hi all,

    I'm just trying to learn Visual C++ and I'm having a problem with the OpenFileDialog control. I'm trying to drag out the filename selected in to a text box, but MSDN has given me broken...
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    1,651

    DirectX 9.0c Common Files folder

    Hi all,

    I have a quick question about DX9. I have recently started with it after a while using OpenGl, kinda trying to expand my knowledge base a bit. Anyway, I downloaded the DXSDK (June 2008)...
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    extern classes

    Hi all,

    I have a quick question on the usage of the extern keyword. I'm trying to get a variable to be of global scope, but as it is of a custom type, I'm not sure how to use extern and Google...
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    Thanks, can you explain what this does though...

    Thanks, can you explain what this does though please as I'm a bit confused :P
  14. Replies
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    2,740

    I'm familiar with modular arithmetic already but...

    I'm familiar with modular arithmetic already but I'm not sure how to implement a mod 26 function inside the code.

    As I'm using ASCII to shift the letters, could I just say something like:


    ...
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    2,740

    Another Caesar Cipher

    Hello,

    I'm currently learning C++ and have decided to write a Caesar implementation. I have the code working but lack error checking (dealing with spaces, going back to start of alphabet) and am...
  16. Replies
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    2,394

    Thanks for the help everybody. For those who...

    Thanks for the help everybody. For those who were interested, I went with a combination of Salem's and Bubba's answers.

    The easiest way of explaining to him was to first tell him why computers...
  17. Replies
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    2,394

    Interesting Question

    Hi all,

    I've got a question which I didn't know how to answer, and where else to post it.

    I program pretty much everyday and recently, my 5 year-old nephew has been sitting with me and asking...
  18. Replies
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    I'd completely forgottten about the Atari ST! ...

    I'd completely forgottten about the Atari ST! While I didn't use it to program, it was a great gaming rig. I still wonder how many hours were wasted on that playing Bubble Bobble and Elite instead...
  19. Thread: help plz

    by Swordsman
    Replies
    11
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    1,082

    If you're using DevC++ or a similar IDE, you...

    If you're using DevC++ or a similar IDE, you might want to think about putting getch() in there so you can actually see the result without having to run it from command line.



    printf("&#37;d...
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    How did you begin?

    After reading the Windows 3.1 thread, I got thinking. How did all of you start out in your programming endeavours?

    What was the first language you used and how did it happen?

    As I mentioned, I...
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    Thanks to twomers for saving me. I thought I...

    Thanks to twomers for saving me. I thought I made a terrible mistake then :)
  22. Replies
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    I've still got a copy of Windows 3.11 for...

    I've still got a copy of Windows 3.11 for Workgroups on an old Compaq Laptop!
    I use it for when SEGMENTATION FAULT! and such things give me a headache and I want to play about in QBasic.

    I still...
  23. Replies
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    I would imagine that Deimus is using either...

    I would imagine that Deimus is using either Visual C++ or DevC++ to write C code as it automatically saves it to a cpp extension. If you are being asked to save a C file as the cpp format, I would...
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    I edited the current code in to the top post. ...

    I edited the current code in to the top post.

    The input file is just literally a text file with the words "hello middle middle end" inside.
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    *Fixed* I had already taken out the free the...

    *Fixed*
    I had already taken out the free the tree/close file after I had posted, as it was one of those things that I had played with and not taken out. The fscanf I completely missed :)


    ...
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