August 19, 2008 – 5:44 pm
Access Flickr!
Bypasses the flickr.com fliter in Iran & …
Adblock Plus
Get grid of ads.
CacheViewer
This extenion is GUI Front-end of “about:cache”.
Allows searching and sorting memory and disk cache files.
CHM Reader
An extension make firefox support CHM file reading.
DownThemAll!
DownThemAll is all you can desire from a download manager: it features an advanced accelerator that increases speed up to 400% [...]
August 8, 2008 – 10:39 am
—–BEGIN PGP PUBLIC KEY BLOCK—–
Version: GnuPG v1.4.6 (GNU/Linux)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=U0bF
—–END PGP PUBLIC KEY BLOCK—–
欢迎发送加密函件
August 1, 2008 – 10:59 am
LOAD DATA INFILE
LOAD DATA INFILE “filename.txt” INTO TABLE tablename;
字段包括在单引号内,用 tab 键进行间隔,每行由 \n 换行,特殊字符用 \ 转义。
存储引擎
MyISAM(MySQL 默认)
ISAM
MEMORY
MERGE
BDB
InnoDB
用 ALTER TABLE 语句转换,比如:
alter table tablename type=innodb;
事务安全性的四个需求(ACID 原则):Atomicity, Consistency, Isolation, Durability。
MySQL 默认为 autocommit 模式。
mysql>set autocommit=0; #关闭 autocommit
在自动提交打开前提下开始事务:
mysql>start transaction;
完成后手动提交:
mysql>commit;
回滚:
mysql>rollback;
InnoDB 支持强制使用 foreign key。
创建存储过程 create procedure
设置分隔符 delimiter …
调用过程 call procedurename(@t);
查看该变量 select @t;
创建函数 create function
局部变量 declare variablename
游标(cursor)
控制结构
声明句柄