1 SELECT A.* FROM TableA A CROSS JOIN (SELECT
TRUNC(DBMS_RANDOM.VALUE(0, 999999999999999999999)) RANDOMNUM FROM DUAL) B ORDER
BY B.RANDOMNUM
分类:
数据库 时间:
2014-05-26 23:25:36
阅读次数:
217
加入购物车点击后进入/e/ShopSys/buycar/下一步进入/e/ShopSys/order/现在不想要/e/ShopSys/buycar/这一步,想直接进入/e/ShopSys/order/填写页面。修改顺序在ShopSysFun.php
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其他好文 时间:
2014-05-26 15:44:32
阅读次数:
250
In Unity scripting, there are a number of event
functions that get executed in a predetermined order as a script executes. This
execution order is des...
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其他好文 时间:
2014-05-26 12:20:20
阅读次数:
368
SQLServer 分页查询1.SELECT TOP 30 * FROM ARTICLE WHERE
ID NOT IN(SELECT TOP 45000 ID FROM ARTICLE ORDER BY YEAR DESC, ID DESC) ORDER BY
YEAR DESC,ID DESC ...
分类:
数据库 时间:
2014-05-26 08:43:42
阅读次数:
270
123/** * 返回跟单信息 * * @return array 返回跟单相关信息 *
@author ZP 2013-12-17 11:55:16 * @modify YLP 2014-5-13 17:30:29 未采购和未到货不需要同时显示明细
*/function get_order_tra...
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其他好文 时间:
2014-05-24 12:37:41
阅读次数:
309
1.select * from (select * from tablename order by
dbms_random.value) where rownum<
N;注:dbms_random是一个可以生成随机数值或者字符串的程序包。value()是最常用的,value()的用法一般有两个种,第...
分类:
数据库 时间:
2014-05-23 07:12:52
阅读次数:
364
Little Mammoth
Time Limit: 5 Seconds
Memory Limit: 32768 KB Special Judge
It is well known that mammoths used to live in caves. This is a story of a little mammoth who lived in a ca...
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其他好文 时间:
2014-05-22 22:49:43
阅读次数:
495
SQL Server 2005引入的新方法。SELECT * FROM (SELECT
ROW_NUMBER() OVER(ORDER BY keyField DESC) AS rowNum, * FROM tableName) AS t
WHERE rowNum > start AND rowNu...
分类:
数据库 时间:
2014-05-22 14:22:58
阅读次数:
351
second order system anlysis
在matlab里面搭建好相应的仿真模型图
当T0 = 10 ,K1 = 1,T1 = 1的时候
根据二阶系统的开,闭环传递函数的特点,这里我们可以通过调节系数的值,间接的调节Wn 和 epsilon(阻尼)的值
在上图中epsilon...
分类:
其他好文 时间:
2014-05-21 16:35:01
阅读次数:
271