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LeetCode 75 Sort Colors
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh...
分类:其他好文   时间:2015-06-12 22:15:03    阅读次数:114
Maven项目中mvn clean找不到测试类问题
在Maven项目中进行单元测试,但mvn clean后重新mvn install项目,再次进行单元测试,会有以下的错误, Class not found com.core.order.service.impl.OrderServiceImplTest java.lang.ClassNotFoundException: com.core.order.service.impl.OrderServiceImplTest at java.net.URLClassLoader$1.run(URLClassLoade...
分类:其他好文   时间:2015-06-12 17:27:28    阅读次数:667
Codeforces548A:Mike and Fax
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string...
分类:其他好文   时间:2015-06-12 17:14:18    阅读次数:118
LeetCode:Permutation Sequence
problems:The set [1,2,3,…,n] contains a total of n! unique permutations.By listing and labeling all of the permutations in order,We get the following ...
分类:其他好文   时间:2015-06-12 14:33:54    阅读次数:80
(转)30 IMP-00019: row rejected due to ORACLE error 12899
IMP-00019: row rejected due to ORACLE error 12899IMP-00003: ORACLE error 12899 encounteredORA-12899: value too large for column "CRM"."BK_ECS_ORDER_IN...
分类:数据库   时间:2015-06-12 13:13:41    阅读次数:260
[LeetCode] #27 Remove Element
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
分类:其他好文   时间:2015-06-12 00:38:54    阅读次数:113
第七十天 how can I 坚持
不太顺利的一天,自己应该没有做错什么吧,只是实事求是罢了。 今天sql用的比较多: union和union all 的区别,union会自动过滤掉重复记录,还有mysql中union不能和order by 联合使用。要用的话必须在后边加上limit,感觉好怪异。 还有group by。第一...
分类:其他好文   时间:2015-06-12 00:29:21    阅读次数:126
Subsets
Given a set of distinct integers,nums, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not...
分类:其他好文   时间:2015-06-12 00:26:48    阅读次数:119
HTML <canvas> 学习笔记
Professional JavaScript for Web Developers P552Basic Usage The element requires at least its width and height attributes to be set in order to indi...
分类:Web程序   时间:2015-06-11 19:13:04    阅读次数:154
MYSQL随机抽取查询 MySQL Order By Rand()效率问题
MYSQL随机抽取查询:MySQL Order By Rand()效率问题一直是开发人员的常见问题,俺们不是DBA,没有那么牛B,所只能慢慢研究咯,最近由于项目问题,需要大概研究了一下MYSQL的随机抽取实现方法要从tablename表中随机提取一条记录,大家一般的写法就是:SELECT * FRO...
分类:数据库   时间:2015-06-11 18:44:20    阅读次数:152
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