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export LD_LIBRARY_PATH
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º¯ÊýÃû: abs ¹¦  ÄÜ: ÇóÕûÊýµÄ¾ø¶ÔÖµ
Óà ·¨: int abs(int i);
³ÌÐòÀý:
#include <stdio.h>
#include <math.h>
int main(void)
{
  int number = -1234;
  printf("number: %d  absolute value: %d\n", number, abs(number));
  return 0;
}
º¯ÊýÃû: atof
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symbian Open C and Open C++ Ïà¹Ø

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symbianÉÏ¿ª·¢opencʱÐèҪעÒâµÄÎÊÌâ
http://blog.csdn.net/sizhiguo/archive/2009/05/21/4206138.aspx
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PRO*C±à³ÌÖгöÏֵĴíÎó


1. linuxÏÂÆô¶¯oracle
su - oracle
sqlplus /nolog
conn /as sysdba
startup
exit
lsnrctl start
exit
2. linuxϹرÕoracle
su - oracle
sqlplus /nolog
conn /as sysdba
shutdown immediate
exit
lsnrctl stop
exit
3¡¢Æô¶¯¼àÌýÆ÷
oracle@suse92:~> lsnrctl start
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oracle@suse92:~ ......
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