If you want to peer into two UNIX processes, the create two pipes and rewire the file descriptors of each process to act both as a producer and a consumer.
如果希望探察两个UNIX进程，那么要创建两个管道，重新连接每个进程的文件描述符，让它们同时作为生成者和消费者。
Billboards in Japan peer back at passersby, assessing how they fit consumer profiles, and instantly change displayed messages based on those assessments.
日本的户外广告牌能够即时查询到过路者的消费记录，根据这些消费记录有针对性的显示不同的广告信息。
Billboards in Japan peer back at passersby, assessing how they fit consumer profiles, and instantly change displayed messages based on those assessments.
日本的户外广告牌能够即时查询到过路者的消费记录，根据这些消费记录有针对性的显示不同的广告信息。
应用推荐