The game “The Pilots Brothers: following the stripy
elephant” has a quest where a player needs to open a refrigerator.There are 16
handles on the refr...
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其他好文 时间:
2014-05-26 22:16:23
阅读次数:
329
Let S = s1 s2...s2n be a well-formed string of
parentheses. S can be encoded in two different ways:q By an integer sequence P =
p1 p2...pn where pi is...
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其他好文 时间:
2014-05-26 22:07:33
阅读次数:
300
题目描述:The gray code is a binary numeral system
where two successive values differ in only one bit.Given a non-negative
integernrepresenting the total n...
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其他好文 时间:
2014-05-26 21:30:04
阅读次数:
296
SELECT* FROM(SELECTT.*,ROWNUMBER() OVER() AS
ROWNUM FROM(SELECTL4_GDS_GROUP_CD CODE,L4_GDS_GROUP_DESC NAME
FROMDM_GDS_GROUP_INF_TD WHERE(L4_GDS_GROUP_...
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数据库 时间:
2014-05-26 20:44:28
阅读次数:
256
MYSQL中delete删除多表数据DELETE删除多表数据,怎样才能同时删除多个关联表的数据呢?这里做了深入的解释:1、
delete from t1 where 条件2、delete t1 from t1 where 条件3、 delete t1 from t1,t2 where
条件4、del...
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数据库 时间:
2014-05-26 20:37:50
阅读次数:
260
There areNgas stations along a circular route,
where the amount of gas at stationiisgas[i].You have a car with an unlimited gas
tank and it costscost[...
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其他好文 时间:
2014-05-26 13:25:00
阅读次数:
270
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 ...
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数据库 时间:
2014-05-26 08:43:42
阅读次数:
270
这是一张表的数据记录,现在想查询每个stuname最新的一条全部记录,也就是王鹏、王山、王丽最新的一条记录,查出来的结果在一张表上。 解法:select *
from table as a where exists(select 1 from table group by stuname havin...
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其他好文 时间:
2014-05-26 07:48:25
阅读次数:
212
实例如下:
update users set classes='1' where id in('u001','u002','u003','u004');
update users set classes='2' where id in('u005','u006','u007');
users表的内容如下:
+------+-----------+------------+------+--...
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其他好文 时间:
2014-05-24 20:41:35
阅读次数:
254
select T.COLUMN_NAME,t.data_type ,c.comments from
ALL_TAB_COLUMNS T ,user_col_comments c where 1=1 and c.table_name = t.table_name
and c.c...
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数据库 时间:
2014-05-24 07:57:41
阅读次数:
266