代码改变世界

随笔档案-2018年10月

select * 和 select 字段的速度对比

2018-10-17 23:42 by 斌哥tobin, 4051 阅读, 收藏,
摘要： 拿WordPress的数据库做一个对比 SELECT ID,post_title, post_author FROM wp_posts ORDER BY ID LIMIT 100; OK, Time: 0.023000s SELECT FROM wp_posts ORDER BY ID LIMIT 阅读全文

Docker镜像拉取失败或超时的解决办法：添加国内镜像

2018-10-09 10:16 by 斌哥tobin, 10250 阅读, 收藏,
摘要： $ docker pull php:7.1 fpm alpine Error response from daemon: Get https://registry 1.docker.io/v2/: net/http: request canceled while waiting for connec 阅读全文