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Type: Posts; User: Richard.J

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  1. Replies
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    158

    Re: Beginner- simple question

    In VS2010, it's "Debug - Start without Debugging" or Ctrl + F5.
    In other versions, it might be similar.
  2. Replies
    3
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    307

    Re: A Server Side program in network

    A scalable server, this looks like a task for IO Completion Port. My first thought was about ::select(), but that cannot handle a large number of sockets, IIUC.
  3. Replies
    9
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    375

    Re: problem with if and else if

    Did you run the program in the debugger? That should be pretty straight forward and show you what's going on.
  4. Re: directory name must immediately follow -I compile error

    Well, it tells you what's wrong:
    "error: directory name must immediately follow -I"
    This means that in your line
    g77-3.3 -I ./src/src_common_depend/
    there is one blank too much: between the I and...
  5. Replies
    5
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    373

    Re: calculate dimensions of a circle in c++

    Yes, that's what I was thinking of, but didn't want to post because it is so simple.
  6. Replies
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    373

    Re: calculate dimensions of a circle in c++

    First of all, please use code tags when posting source code.

    Then, never place a "using" directive in a header file. For a discussion, see this link:...
  7. Re: Compiler says there is no constructor, but it does have one.

    Nope.
    It is most likely that the compiler does not know of the Idle class as it is defined after its first use in line 1. Moving the first line after the class definition should solve this issue.
    ...
  8. Re: winsock... binding to WRONG IP byte order WORKS!

    I think you are confusing two things:
    1. when setting up a connection, you always use the host byte order, because that is what is used internally on the system you are working on. It is the OS's...
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    234

    Re: Problem about file handling!!!

    ofstream file;
    file.open("text.dat", ios:app | ios::binary);
  10. Replies
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    510

    Re: Macro to template

    Google yields a list:
    http://www.google.com/search?q=using+namespace+in+header+file
    This post:...
  11. Replies
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    2,818

    Re: getting a binding error in server program

    http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html
  12. Re: ofstream writing replaces entire file with 0s

    ios::out erases an existing file. So if you open an existing file with that option, then seekp to a position, all bytes before that position are filled with 0x0.
    It's not Philip Nicoletti's...
  13. Thread: std::mutex

    by Richard.J
    Replies
    3
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    1,127

    Re: std::mutex

    I only have g++ 4.6.1, but looking at /usr/local/include/c++/4.6.1/mutex it seems that the mutex class is protected by some #defines.
    I found a (german) article on the web which mentions that you...
  14. Replies
    5
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    609

    Re: Struct member manipulation

    You might want to look up 'bitfields':
    http://msdn.microsoft.com/en-us/library/ewwyfdbe(v=vs.71).aspx
    http://en.wikipedia.org/wiki/Bit_field

    But be aware that the implementation is...
  15. Re: If someone can tell me why my program crash

    Did you use the debugger to debug your code?
    What if either con, stmt or res are nullptrs? The example relies on them not being nullptrs, but if they are, your program will crash as it does.
  16. Re: Unable to compile C lib of FatFS with C++ Project

    What compiler do you use?
    What error messages do you get?
  17. Re: giving one line command that prints lots of lines - ostream?

    must be "std::endl"
  18. Re: giving one line command that prints lots of lines - ostream?

    The quickest thing would probably be the use of a ostringstream


    #include <sstream>

    std::ostringstream os;
    os << "hello\n";
    os << "mike\n";
    os << "how\n";
    os << "are\n";
  19. Re: [Newbie] SIP parser and header-file including (using sofia-sip)

    You are most likely missing a header file where the struct/class/whatever sip_default_mclass is declared.
  20. Re: custom streambuf for use with std::fstream?

    Ah, this looks promising and is part of 1.45.0 which is what I am currently using.

    Thanks again.
  21. Re: custom streambuf for use with std::fstream?

    Yes, opening the file n times would be simple, but I want to get rid of the eof check which would involve checking if the data section has reached its end. I do need a seekable stream, I will have a...
  22. custom streambuf for use with std::fstream?

    I have an application which uses several files to store its data.
    The data is organized to store all current data like this, and additionally the data is moved to a single file after a specific time...
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    Re: Validate unsigned operations?

    VisualStudio 2010 issues a "warning C4296: '>=' : expression is always true" when the warning level is set to /Wall. However, this level is quite a pain as a lot of headers that come with the...
  24. Re: I wish to replace spaces with underscores in a sting

    You can simply pass the second string to the function as well:


    #include <string.h>
    #include <stdio.h>

    /* assume pString is null terminated and is not NULL */
    void ReplaceChars(char...
  25. Re: I wish to replace spaces with underscores in a sting

    There is no 'replacestring' in the file you posted.
    Post a minimum example here that reproduces the problem. Do not attach files, post the code using code tags.
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