bash-2.03$ ./u_json.pl Can't locate object method "encode" via package "JSON" at ./u_json.pl line 24. bash-2.03$ ./v_hash_2_Jason.pl Can't call method "encode_json" on unblessed reference at ./v_hash_2_Jason.pl line 32. bash-
#-1-变量使用,打印#!/usr/local/bin/perl$value=100+30+3+8;print("Value=",$value,"\n"); #-2-变量使用,打印#!/usr/local/bin/perl$value=1024;$sentence="The value of \$value is $value.\n";print($sentence); #-3-多次打印#!/usr/local/bin/perl$name=&qu
LWPUserAgent: LWP::UserAgent - Web user agent class Web 用户agent 类: 概述: require LWP::UserAgent; my $ua = LWP::UserAgent->new; $ua->timeout(10); $ua->env_proxy; my $response = $ua->get('http://search.cpan.org/'); if ($response->is_success) {
Dynamic Rankings Time Limit: 10 Seconds Memory Limit: 32768 KB The Company Dynamic Rankings has developed a new kind of computer that is no longer satisfied with the query like to simply find the k-th smallest number of the given N numbers. They
MySQL_MHA ABB(主从复制)-->MHA(实现mysql高可用.读写分离.脚本控制vip飘逸)-->haproxy(对slave集群实现分发,负载均衡)-->keepalive(预防一台haproxy单点故障,对两台及以上的haproxy实现高可用) 一.MHA MySQL high available mysql高可用 ABB 适用于0~30台服务器 条件:最少3台,即最少为ABB架构 MHA是由一名日本人用Perl语言开发出来的 组成:manager节点 .node节点 工