目录分布式锁概述分布式锁:基于数据库实现分布式锁:基于Redis实现分布式锁:基于Zookeeper实现分布式锁概述
What is the $1? Is that the match found for (\\d+)? $line =~ /^(\\d+)\\s/; next if(!defined($1) ) ; $paperAnnot{开发者_运维技巧$1} = $line;