C++11:基于std::unordered_map和共享锁构建线程安全的map
https://blog.youkuaiyun.com/10km/article/details/52072061
https://blog.youkuaiyun.com/10km/article/details/52067929
程序中经常需要缓存一些数据, 但是std::map 不是线程安全的
https://blog.youkuaiyun.com/chen802311/article/details/76793719
https://blog.youkuaiyun.com/10km/article/details/49641691
C++11中std::mutex的使用https://blog.youkuaiyun.com/fengbingchun/article/details/73521630
C++11 mutex方便的自解锁lock_guard
https://blog.youkuaiyun.com/xiaoyafang123/article/details/54137611
C++11 unordered_map 无序容器的使用
https://blog.youkuaiyun.com/haolipengzhanshen/article/details/51970348
https://blog.youkuaiyun.com/zengyubao1/article/details/80834628
C++ 11 std::unordered_map高级用法
https://blog.youkuaiyun.com/fcku_88/article/details/88353431
C++ std::unordered_map 用法详解