C++ snippet Archive

This is a discussion on C++ snippet Archive within the C++ Programming forums, part of the General Programming Boards category; I found a great c++ snippet archive http://davidw.awardspace.com/index.p...rograming.html why dont i see more great web pages like this one?? please ...

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    C++ snippet Archive

    I found a great c++ snippet archive
    http://davidw.awardspace.com/index.p...rograming.html
    why dont i see more great web pages like this one??
    please post any links for pages containing whitty little functions like the one above

  2. #2
    Just Lurking Dave_Sinkula's Avatar
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    Quote Originally Posted by squako
    why dont i see more great web pages like this one??
    Where I stopped skimming:
    Code:
    while (! myread.eof() )
    Perhaps because the originator needs to learn a little more first?

    [Visit the FAQ to see why. If you go against an FAQ, count yourself in the beginners-intermediate group.]
    7. It is easier to write an incorrect program than understand a correct one.
    40. There are two ways to write error-free programs; only the third one works.*

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    and the hat of wrongness Salem's Avatar
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    Beh, the site saw me coming, and refused to let me in to have a look....
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
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    MFC killed my cat! manutd's Avatar
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    Nice broken link...
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    (?<!re)tired Mario F.'s Avatar
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    - The user input snippet is awesome!

    - I also like the delay snippet. It's important to put your processor at 100% when delaying an action.

    - The Combine Two Strings function is essential! It's easier to call a function with the prototype string addstrings(string a,string b) than to write a + b!

    I also like using namespace std; all over the place, overflowing ints here and there, the caring concern for proper indentation, the use of C-style casts and this particular snippet of code to convert a string to a float got itself a place in my heart.

    Code:
    template <class T>
    bool from_string(T& t,
    const std::string& s,
    std::ios_base& (*f)(std::ios_base&))
    {
    std::istringstream iss(s);
    return !(iss >> f >> t).fail();
    }
    The masterful indentation, the little detail of breaking the function header in two lines and the absolute geniality behind this useless... useful piece of code.

    EDIT: Are you the author of this, one-time poster? *bows*
    The programmer’s wife tells him: “Run to the store and pick up a loaf of bread. If they have eggs, get a dozen.”
    The programmer comes home with 12 loaves of bread.


    Originally Posted by brewbuck:
    Reimplementing a large system in another language to get a 25% performance boost is nonsense. It would be cheaper to just get a computer which is 25% faster.

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    Vulnerable.

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    its not good c++??
    it worked for me.

    do you know of a page that has a bunch of c++ operations like this that are better? Please share Because i haven't been able to find it. Thats really why i posted this thread.

  8. #8
    Cat without Hat CornedBee's Avatar
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    Quote Originally Posted by squako
    its not good c++??
    it worked for me.
    Those two properties traditionally have no relation in C++.

    http://www.boost.org/

    Familiarize yourself with what is offered by this site. It offers an astounding amount of stuff, written by some of the best C++ programmers out there.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
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    EDIT: Are you the author of this, one-time poster? *bows*
    yea, i suck at programing in c++, but i can program in it just because of a bunch of code snippets. I figured that would be usefull to someone else. But if its terrible c++, i dont want to loose respect of all the c code masters.
    I took the page down.

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    can you guys tell me they easy way to set up a c++ option parser?

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    c++ option parser = ?

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    Its hard... But im here swgh's Avatar
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    yea, i suck at programing in c++, but i can program in it just because of a bunch of code snippets.
    If you are finding it hard to learn the language, then get a good beginners book. Looking at code written by proffesionals is likely to get you even more lost and confused. These are people with years of experience. Saying that, everybody has to start at the beginning of somthing new. No one person can ever learn the language inside out and back to front. Its just not possible, its too big. ( C is different, in comparason it is quite a small but complex language ) You just need to learn all the basics, learn them well then put all this into practise with coding your own programs. You then have to pick at the language and take out the bits and preices you "need" to learn for whatever reason you want to program. ( Ie: games ).
    I'm just trying to be a better person - My Name Is Earl

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    c++ option parser for command line programs

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    and the hat of wrongness Salem's Avatar
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    You mean like this - http://clusty.com/search?query=getop...Mozilla-search
    There are many ways (and libraries) to do this for you.
    Or you can be inspired and make your own.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

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    (?<!re)tired Mario F.'s Avatar
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    The programmer’s wife tells him: “Run to the store and pick up a loaf of bread. If they have eggs, get a dozen.”
    The programmer comes home with 12 loaves of bread.


    Originally Posted by brewbuck:
    Reimplementing a large system in another language to get a 25% performance boost is nonsense. It would be cheaper to just get a computer which is 25% faster.

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