http://poj.org/problem?id=2886 Who Gets the Most Candies? Time Limit: 5000MS Memory Limit: 131072KTotal Submissions: 9426 Accepted: 2871Case Time Limit: 2000MS Description N children are sitt
1. libiconv编译时遇到以下报错 In file included from progname.c:26:0:./stdio.h:1010:1: error: ‘gets’ undeclared here (not in a function)_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead")
当前读(db block gets / current gets)与一致读(consistent gets)统称为逻辑读,逻辑读可能需要物理读把块读到cache中。 当前读指读现在已提交了的数据,一般在全表扫描读数据字典、更新、删除时发生。 一致读指读发出SELECT的那个时间点SCN的数据,一般在查询(增删改都可能有隐式查询)时发生。 db block gets are block