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Full Discussion: Trubble in executing the cpp program...
Top Forums Programming Trubble in executing the cpp program... Post 302249314 by calv on Tuesday 21st of October 2008 06:02:51 AM
Old 10-21-2008
Either the constructor of Connection, or the Query() method throws an exception of type const char *. You can catch it, by enclosing the calls with try, and adding a catch block, like:

Code:
try {
    Connection DbConnection(Host, Database, UserId, Password);
    query="select * from the test"; // test is my database
    result = DbConnection.Query(query); // perform the required database operation..
}
catch (const char *errmsg)
{
    std::cerr << "error message from connection: " << errmsg << "\n";
    return 1;
}

 

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LEARN ABOUT CENTOS

std::placeholders

std::placeholders(3)					     Library Functions Manual					      std::placeholders(3)

NAME

       std::placeholders -

SYNOPSIS

   Variables
       const _Placeholder< 1 > _1
       const _Placeholder< 10 > _10
       const _Placeholder< 11 > _11
       const _Placeholder< 12 > _12
       const _Placeholder< 13 > _13
       const _Placeholder< 14 > _14
       const _Placeholder< 15 > _15
       const _Placeholder< 16 > _16
       const _Placeholder< 17 > _17
       const _Placeholder< 18 > _18
       const _Placeholder< 19 > _19
       const _Placeholder< 2 > _2
       const _Placeholder< 20 > _20
       const _Placeholder< 21 > _21
       const _Placeholder< 22 > _22
       const _Placeholder< 23 > _23
       const _Placeholder< 24 > _24
       const _Placeholder< 25 > _25
       const _Placeholder< 26 > _26
       const _Placeholder< 27 > _27
       const _Placeholder< 28 > _28
       const _Placeholder< 29 > _29
       const _Placeholder< 3 > _3
       const _Placeholder< 4 > _4
       const _Placeholder< 5 > _5
       const _Placeholder< 6 > _6
       const _Placeholder< 7 > _7
       const _Placeholder< 8 > _8
       const _Placeholder< 9 > _9

Detailed Description
       ISO C++11 entities sub-namespace for functional.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014					      std::placeholders(3)
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