Transposed MatrixIn linear algebra, the transpose of a matrixAis another matrixAT(also writtenA′,Atr,tAorAt) created by any one of the following equiv...
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其他好文 时间:
2014-08-07 18:52:40
阅读次数:
242
题目:Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.Below is one possible represent....
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编程语言 时间:
2014-08-07 05:11:29
阅读次数:
334
In one embodiment, the present invention includes a directory to aid in maintaining control of a cache coherency protocol. The directory can be couple...
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数据库 时间:
2014-08-07 00:42:27
阅读次数:
496
问题:数组模拟整数加1class Solution {public: vector plusOne(vector &digits) { int i,k=0; int a[100]; for(i=digits.size()-1;i>=0;i--) ...
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其他好文 时间:
2014-08-06 22:20:12
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187
A file system layout apportions an underlying physical volume into one or more virtual volumes (vvols) of a storage system. The underlying physical vo...
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其他好文 时间:
2014-08-06 21:52:22
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510
3.Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the data...
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其他好文 时间:
2014-08-06 21:48:22
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610
Description
The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians for thousands of years is the qu...
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其他好文 时间:
2014-08-06 19:06:42
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319
nl2br() 函数在字符串中的每个新行 (\n) 之前插入 HTML 换行符 ()。经常用于在线编辑的内容,以便显示。用法:nl2br(string)参数描述string必需。规定要检查的字符串。例子输出:One line.Another line.
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其他好文 时间:
2014-08-06 18:54:17
阅读次数:
272
one装饰器的作用是对每一条记录都执行对应的方法,相当于traditional-style中的function应用举例:定义的columnsnow = fields.Datetime(compute='_compute_now')方法:@onedef _compute_now(self): s...
开启tomcat时出现以上错误// 进入root帐户 在普通用户也可以sudo -s//用编辑器打开.bashrc文件gedit .bashrc 在普通用户下注意加上sudo//在最后一行添加环境变量(文件位置根据自己的实际情况)JAVA_HOME=/usr/local/java/jdk1.7.0_...
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编程语言 时间:
2014-08-06 18:21:13
阅读次数:
519