目录1：std::thread的编程客栈基本用法2：std:: thread常用的成员函数 3：建立新 thread执行类别中的函数 4：建立新 thread 执行 lambda expression 5：join等待thread执行结束6：detach不等待 threa
i have 2 different websites. i want a feature that when a user lo开发者_运维技巧gs in to site A then he should be automatically logged in to site B. please give me some concepts for that. (eg:- when a
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