MySQL 5.1.38中有两个表.
products
+----+------------+-------+------------+
| id | name | price | department |
+----+------------+-------+------------+
| 1 | Fire Truck | 15.00 | Toys |
| 2 | Bike | 75.00 | Toys |
| 3 | T-Shirt | 18.00 | Clothes |
| 4 | Skirt | 18.00 | Clothes |
| 5 | Pants | 22.00 | Clothes |
+----+------------+-------+------------+
ratings
+------------+--------+
| product_id | rating |
+------------+--------+
| 1 | 5 |
| 2 | 5 |
| …我正在osx上的emacs中运行bash,然后从另一个地方运行来自terminal.app的拉宝石
在bash中:
which gem
/usr/bin/gem
在终端:
which gem
/opt/local/bin/gem
如何更改bash以匹配终端？
我想通过PHP脚本或类似的东西动态创建子域.我见过很多为个人用户或新论坛空间创建子域名的网站.我只是想知道它是如何工作的,以及我如何在我的系统中实现它.
谢谢你的帮助!