In listing 2 , the constructor initializes multiple queues ( equal to the number of threads ) at startup and each thread maintains an id called thread_id .
An example of several common data structures are arrays , linked lists , queues , stacks , binary trees , and hash tables .
几种常见的数据结构有数组、链表、队列、堆栈、二叉树以及哈希表。
Ultimately , even though there are some sites with little or no filtering ( slashdot , fark , etc. ) , sites that use their ( cf ) based recommendation engines will continue to diminish the importance of active filtering from upcoming submission queues and improve the quality of user experience on an individual level .
In queues , the car 's electric engine shuts down before restarting when the car moves again .
在行车队列中,电动引擎在汽车重新启动之前可以关闭。
Panama 's smart banks , open economy and long queues of boats at its ports have caused many to compare it to singapore , another steamy success story .