码迷,mamicode.com
首页 >  
搜索关键字:can not perform    ( 23528个结果
LeetCode: Distinct Subsequences [115]
【题目】 Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing the relati...
分类:其他好文   时间:2014-06-29 07:27:17    阅读次数:210
允许进行DML操作的视图条件
视图可以屏蔽某些基表的信息,或是join多个基表组成一个复杂查询,视图本身也是可以进行DML操作,但受一些条件的限制。 首先我们看下官方文档对视图进行DML操作的要求说明: The following notes apply to updatable views: An updatable view is one you can use to insert, update, or...
分类:其他好文   时间:2014-06-07 16:08:45    阅读次数:264
Can not find a java.io.InputStream with the name [inputStream] in the invocation stack. Check the <
最近项目需要用到上传下载,以前学jsp的时候直接用的是smartUpload,现在学的框架但是老师只是简单地教了框架的内容 对struts文件上传和下载没有涉及,没办法只能自己自学了!结果出现了上面的问题。 这个问题的根本原因网上都有说出来,但是没有给出的解决方案。原因是要返回的流为空,文件的路径有误导致文件的输入流为空! 所以最好在逻辑处理那块输出的你要下载文件的路径看是不是你要下载的路径...
分类:编程语言   时间:2014-06-07 13:15:51    阅读次数:289
ZOJ 3789 Gears
并查集, 删除节点操作,可以用新建节点代替 维护每个点到跟节点的距离 Gears Time Limit: 2 Seconds      Memory Limit: 65536 KB Bob has N (1 ≤ N ≤ 2*105) gears (numbered from 1 to N). Each gear can rotate clockwise or co...
分类:其他好文   时间:2014-06-07 11:33:37    阅读次数:227
The Customers Come Up With For Their Bags
Another great feature of comfort jestmankiet. This ensures that they are secured in the package. The bag can be rolled up, without the need for roll c...
分类:其他好文   时间:2014-06-06 09:59:04    阅读次数:196
codechef Jewels and Stones 题解
Soma is a fashionable girl. She absolutely loves shiny stones that she can put on as jewellery accessories. She has been collecting stones since her c...
分类:其他好文   时间:2014-06-05 19:23:48    阅读次数:310
swift笔记- 枚举
枚举是一系列相关值的通用类型,是类型安全的。Swift中的枚举不需要为每一个成员赋值,而成员的值可以是 字符串 字符 或者人意的整数或浮点值。枚举成员可以指定任何存储成员值类型的关联值enumeration members can specify associated values of any t...
分类:其他好文   时间:2014-06-05 15:46:43    阅读次数:197
HTMLParser in python
You can know form the name that the HTMLParser is something used to parse HTML files. In python, there are two HTMLParsers. One is the HTMLParser clas...
分类:编程语言   时间:2014-06-05 12:46:16    阅读次数:1294
Animation Parameter
【Animation Parameter】 Animation Parameters are variables that are defined within the animation system but can also be accessed and assigned values fr....
分类:其他好文   时间:2014-06-04 16:29:33    阅读次数:304
指针和数组及内存管理
1. 指针和地址TCPL 中给指针的定义是: A pointer is a group of cells (often two or four) that can hold an address .int value = 10;int *pvalue = &value;上面这个语句的内存模型是:注意...
分类:其他好文   时间:2014-06-02 18:07:49    阅读次数:315
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!