什么是逆回购？ By duncan21Posted on 2017 年 4 月 10 日Posted in 感言Tagged 逆回购No Comments on 什么是逆回购？ 何谓逆回购 逆回购是为中国人民银行向商业银行等购买有价证券，并约定在未来特定日期将有价证券卖给商业银行等一级交易商的交易行为。通俗来说，B向A抵押证券，借来现金，约定期限准时归还。这当中A充当着中央[……] 阅读全文 Read More
MySql Host is blocked because of many connection errors By duncan21Posted on 2017 年 4 月 6 日2017 年 4 月 6 日Posted in MySqlTagged connection errorsNo Comments on MySql Host is blocked because of many connection errors ySql Host is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’ 解决方法[……] 阅读全文 Read More
MySQL性能优化之max_connections参数 By duncan21Posted on 2017 年 4 月 6 日Posted in MySqlTagged max_connections, mysqlNo Comments on MySQL性能优化之max_connections参数 MySQL的max_connections参数用来设置最大连接（用户）数。每个连接MySQL的用户均算作一个连接，max_connections的默认值为151。本文将讲解此参数的详细作用与性能影响。[……] 阅读全文 Read More
curl: (77) Problem with the SSL CA cert (path? access rights?) By duncan21Posted on 2017 年 4 月 6 日2017 年 4 月 6 日Posted in Linux, wordpressTagged curlNo Comments on curl: (77) Problem with the SSL CA cert (path? access rights?) 今天遇到了一个问题，在打开wp的后台的时候发现新闻无法正常显示，提示一下错误： curl: (77) Problem with the SSL CA cert (path? access right[……] 阅读全文 Read More
