2012/1/30 Claude <clros@tiscali.it>

What is the better way for convert a numeric type into a const char *?
I use:

(boost::lexical_cast<std::string>(myNumericVar)).c_str()

It is a good idea?

Depends how you use the value.

// Safe.

puts(boost::lexical_cast<std::string>(myNumericVar).c_str());

const char* s = boost::lexical_cast<std::string>(myNumericVar).c_str();

// Don't do this! Here 's' is a dangling pointer; the string has already

// been destroyed.

puts(s);

Roman Perepelitsa.