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Top Forums Programming Multidimensional array of strings with vector. Post 302484075 by Corona688 on Wednesday 29th of December 2010 04:04:20 PM
Old 12-29-2010
"when things crash, make the array bigger" is not the answer.

I'm still trying to boil down just what you're trying to do, but my guess so far? There's no error checking for most of what you do. If you ever get data (or lack of data) you don't expect, it uses it anyway. Check everything.

Also, since you're using localtime() anyway, you might as well save yourself a mountain of work and use strftime too:

Code:
#include <time.h>
#include <string>
#include <iostream>
using namespace std;

int main(void)
{
        time_t t=time(NULL);
        char todaysdate[32];
        strftime(todaysdate, 32, "%Y%m%d", localtime(&t));

        cout << "today's date is " << todaysdate << endl;
}

---------- Post updated at 03:04 PM ---------- Previous update was at 02:08 PM ----------

mysql's row type seems very twitchy.

Code:
 Query querya=conn.query();
  querya << query;
  querya.storein(results);

  printf("%d rows\n", results.size());

  for(int n=0; n<results.size(); n++)
  {
    printf("row has %d fields\n", results[n].size());
  }

Code:
2 rows
row has 2520205 fields
row has 2520205 fields

Needless to say, you're not the only one mystified. Are you sure you want to use the C++ interface and not the C one?

Last edited by Corona688; 12-29-2010 at 04:19 PM..
 

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TIMEGM(3)						     Linux Programmer's Manual							 TIMEGM(3)

NAME
timegm, timelocal - inverses for gmtime and localtime SYNOPSIS
#include <time.h> time_t timelocal (struct tm *tm); time_t timegm (struct tm *tm); DESCRIPTION
The functions timelocal() and timegm() are the inverses to localtime(3) and gmtime(3). NOTES
These functions are GNU extensions. The timelocal() function is equivalent to the POSIX standard function mktime(3). There is no reason to ever use it. For a portable version of timegm(), set the TZ environment variable to UTC, call mktime() and restore the value of TZ. Something like #include <time.h> #include <stdlib.h> time_t my_timegm (struct tm *tm) { time_t ret; char *tz; tz = getenv("TZ"); setenv("TZ", "", 1); tzset(); ret = mktime(tm); if (tz) setenv("TZ", tz, 1); else unsetenv("TZ"); tzset(); return ret; } SEE ALSO
gmtime(3), localtime(3), mktime(3), tzset(3) GNU
2001-12-26 TIMEGM(3)
All times are GMT -4. The time now is 02:22 PM.
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