[root@localhost ~]# vi /usr/local/php/etc/php.ini
George comes from school on the first of September.
George, how did you like your new teacher? asked his mother.
I didn’t like her, Mother, because she said that three and three were six and then she said that two and four were six too…..
A lawyer opened the door of his BMW, when suddenly a car came along and hit the door, ripping it off completely. When the police arrived at the scene, the lawyer was complaining bitterly about the damage to his precious BMW. “Officer, look what they’ve done to my Beeeemer!!!”, he whined. “You lawyers are so materialistic, you make me sick!!!” retorted the officer, “You’re so worried about your stupid BMW, that you didn’t even notice that your l ...
A man wrote a letter to a small hotel he planned to visit on his vacation: “I would very much like to bring my dog with me. He is well-groomed and very well behaved. Would you be willing to permit me to keep him in my room with me at night?” An immediate reply came from the hotel owner, who said, “I’ve been operating this hotel for many years. In all that time, I’ve never had a dog steal towels, bedclothes, silverware or pictures off the walls. I’ve never ...
The Fish Net
Can you tell me what fish net is made, Ann?
A lot of little holes tied together with strings. replied the little girl.
REPLACE语句 我们在使用数据库时可能会经常遇到这种情况。如果一个表在一个字段上建立了唯一索引，当我们再向这个表中使用已经存在的键值插入一条记录，那将会抛出一个 主键冲突的错误。当然，我们可能想用新记录的值来覆盖原来的记录值。如果使用传统的做法，必须先使用DELETE语句删除原先的记录，然后再使用 INSERT插入新的记录。而在MySQL中为我们提供了一种新的解决方案，这就是REPLACE语句。使用REPLACE插入一条记录时，如果不重 复，REPLACE就和INSERT的功能一样，如果有重复记录，REPLACE就使用新记录的值来替换原来的记录值。 ...
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