Prefix and Postfix expressions are easier for a computer to understand and evaluate. Given two operands a and b and an operator \odot , the infix notation impli… converter conversion infix-notation infix infixtopostfix infixtopostfix-expression infix-evaluation postfix-evaluation infix-to-postfix ...
vi utils/dbconverter-2.c 修改为--> #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1 ret = (*mbdb)->open(*mbdb, NULL, path, NULL, DB_HASH, DB_CREATE, 0664); #else ret = (*mbdb)->open(*mbdb, "NULL", path, NULL, DB_HASH, DB_CREATE, 0664); #endif [root@mail sasl...
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vi utils/dbconverter-2.c 修改为--> #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 1 ret = (*mbdb)->open(*mbdb, NULL, path, NULL, DB_HASH, DB_CREATE, 0664); #else ret = (*mbdb)->open(*mbdb, "NULL", path, NULL, DB_HASH, DB_CREATE, 0664); #endif [root@mail sasl...