摘要: once you specify to use a certain namespace such as "{using namespace1;...}", you need to know that the global namespace still takes effect. 阅读全文
posted @ 2014-05-20 14:16 mathewmax 阅读(102) 评论(0) 推荐(0) 编辑
摘要: usingandusing namespacehave validity only in the same block in which they are stated or in the entire source code file if they are used directly in th... 阅读全文
posted @ 2014-05-20 13:01 mathewmax 阅读(181) 评论(0) 推荐(0) 编辑