摘要：1 <?php 2 /** 3 * 观察者模式(被观察者) 4 * 5 * @author Administrator 6 * 7 */ 8 class Subject implements SplSubject { 9 10 /** 11 * 设置的参数 12 * 13 * @var mixed 14 */ 15 protected $_value; 16 17 /** 18 * 19 * 20 * @var SplObjectStorage 21 */ 22 ... 阅读全文

摘要：是否启用了日志mysql>show variables like 'log_%';怎样知道当前的日志mysql> show master status;顯示二進制日志數目mysql> show master logs;看二进制日志文件用mysqlbinlogshell>mysqlbinlog mail-bin.000001或者shell>mysqlbinlog mail-bin.000001 | ... 阅读全文