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Type: Posts; User: twomers

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  1. Replies
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    matlab: 1:10

    matlab:


    1:10
  2. Thread: Deadlines

    by twomers
    Replies
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    you have already received some excellent advice...

    you have already received some excellent advice in this thread from some excellent
    advice givers (pleonasm not necessarily not unintended).

    i guess this question is to everybody, and not just...
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    Inseem to remember that your webpage used to...

    Inseem to remember that your webpage used to WOBBLE before
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    i've always considered you to by my c-mommy. :)

    i've always considered you to by my c-mommy. :)
  5. I use Python for visualisation all the time. ...

    I use Python for visualisation all the time.

    Python + the matplotlib library is a fairly standard approach that j use all the time.
  6. most interesting machine learning methods require...

    most interesting machine learning methods require varying degrees of sophistication: from linear algebra matrix inversion, as many matrix/tensor decomposition techniques as you can think of are the...
  7. neither c nor c++ are the languages you want for...

    neither c nor c++ are the languages you want for this if you don't want to use extra tools or libraries.
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    ok. now you've gotta cheer me up! :)

    ok. now you've gotta cheer me up! :)
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    Hah. Neither dead nor rich fortunately. ...

    Hah. Neither dead nor rich fortunately.

    Life's good. I haven't done a whole bunch of C recently. I do data science research, so the languages I've been using have been at a much higher level of...
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    Oh yeah? What was it that got their butts rustled?

    Oh yeah? What was it that got their butts rustled?
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    i c'd today and got nostalgic

    how's this place holding up?

    i hope to c tomorrow too.
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    You can use any integral type for bitwise...

    You can use any integral type for bitwise operations. You can use unsigned ints, for example, and on a 64-bit machine you have 64 bits that you can play around with.

    To use fewer than 8, or 32,...
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    Back-of-the-brain calculation, but a couple of...

    Back-of-the-brain calculation, but a couple of hundred million records on a 64-bit machine will require about 12GB of memory. Can you support this? Will your table change?
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    Maybe you should test that all of the variables...

    Maybe you should test that all of the variables are of the same type, i.e something like.


    int main( void ) {
    char *code;
    int j = 0;
    char *codes[3] = { "abc", "123", "a12" };

    for...
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    char *pch; char string[50]; char first[10],...

    char *pch;
    char string[50];
    char first[10], second[10], third[10];
    strcpy( string, "this is me" );
    printf( "%s\n", string );

    pch = strtok( string, " " );
    strcpy( first, pch );

    pch...
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    Consider strtok...

    Consider strtok.
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    isalpha - C++ Reference...

    isalpha - C++ Reference
    isdigit - C++ Reference
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    You're probably over-complicating it too... this...

    You're probably over-complicating it too... this semi-pseudo code is a more direct route to the issue


    const int len = sizeof codes /sizeof *codes;

    int main( void ) {
    int i = 0;

    do {...
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    In line 55 a DialingCodeType (int) is being...

    In line 55 a DialingCodeType (int) is being compared to a CountryNameType (char*). You'll need to look into atoi or similar functions to compare the two.

    It's going to be easier to do an scanf(...
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    Use a for loop: int checkMatch() { int i =...

    Use a for loop:

    int checkMatch() {
    int i = 0;
    for ( i=0; i<sizeof codes/sizeof *codes; i++ ) {
    if ( strcmp( codes[i].country, code ) == 0 ) {
    // as before
    return i;
    ...
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    Well, what is bad practise? Here, it's doing...

    Well, what is bad practise? Here, it's doing thing that you don't need to do. Adding irrelevant redundency, swapping between std::string and char* unnecessarily. You can use the STL and perform this...
  22. Thread: please check

    by twomers
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    Well, you need to allocate a buffer big enough...

    Well, you need to allocate a buffer big enough for this to work. The following code doesn't work. Try it:
    char *test = "testing";
    char *test2 = (char*)realloc( test, 30 ); // You should get...
  23. Thread: Nodes

    by twomers
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    It looks like it should work to me from what I...

    It looks like it should work to me from what I see here. Can you paste more code so that we can try to replicate the issue more fully?

    Is it a runtime error, or compilation error? For example,...
  24. Thread: please check

    by twomers
    Replies
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    933

    That line of code is equivalent to: strcpy(...

    That line of code is equivalent to:
    strcpy( &concat[strlen(s1)], s2 );

    Does it make sense now? It copies the string s2 to the concat buffer at the strlen(s1)th position of that buffer, which...
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    std::string has a c_str() member which returns a...

    std::string has a c_str() member which returns a const char *. So the second parameter to your memcpy function should probably be file[i].c_str();.

    I would question the need to convert the thing...
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