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LeetCode "Max Points on a Line "
The first solution I figured out is O(n^3). I thought it must be O(n^2) to get max points on a line for a given point.. but after checking several art...
分类:其他好文   时间:2014-07-22 22:47:15    阅读次数:226
UV mapping
【UV mapping】 UV mappingis the3D modelingprocess of making a 2D image representation of a 3D model's surface. This process projects atexture maponto .....
分类:移动开发   时间:2014-07-22 22:45:15    阅读次数:303
LeetCode Evaluate Reverse Polish Notation
class Solution {public: int evalRPN(vector &tokens) { int len = tokens.size(); if (len stack; for (int i=0; i= '0' && p[0] 1...
分类:其他好文   时间:2014-07-22 22:45:14    阅读次数:184
添加nginx为系统服务(service nginx start/stop/restart)
1、在/etc/init.d/目录下编写脚本,名为nginx #!/bin/sh  #  # nginx - this script starts and stops the nginx daemon  #  # chkconfig:   - 85 15  # description: Nginx is an HTTP(S) server, HTTP(S) reverse \  ...
分类:其他好文   时间:2014-07-22 22:39:13    阅读次数:321
POJ 2993 Emag eht htiw Em Pleh 模拟
Emag eht htiw Em Pleh Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 2661   Accepted: 1778 Description This problem is a reverse case of the problem 2996....
分类:其他好文   时间:2014-07-22 14:34:04    阅读次数:230
[模式识别].(希腊)西奥多里蒂斯<第四版>笔记6之__feature generation (1):数据转换和降维
1,单值分解:线性代数的重要部分,已经被广泛用于模式识别中的降维和信息检索应用中。 2,独立成分分析 3,非负矩阵分解 4,非线性降维算法:① kernel PCA②基于图的方法(拉普拉斯算子,Local LinearEmbedding (LLE),Isometric Mapping (ISOMAP)) 5,离散傅里叶变换 6,离散cos和sin变换 7,THEHADAMARD TRA...
分类:其他好文   时间:2014-07-22 14:31:58    阅读次数:252
django错误-NoReverseMatch at /admin/
错误提示:NoReverseMatch at /admin/ Reverse for 'logout' with arguments '()' and keyword arguments '{}' not found.解决方式:将urls.py中(r'^admin/$', include(admin...
分类:其他好文   时间:2014-07-22 00:12:33    阅读次数:549
pojo与DTO的区别
ational Mapping(对象关系映射)的缩写。通俗点讲,就是将对象与关系数据库绑定,用对象来表示关系数据。在O/R Mapping的世界里,有两个基本的也是重要的东东需要了解,即VO,PO。 VO,值对象(Value Object),PO,持久对象(Persisent Object),它们....
分类:其他好文   时间:2014-07-22 00:10:34    阅读次数:263
Binary Tree Zigzag Level Order Traversal
java很给力逆序用了Colletcions.reverse();/** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; ...
分类:其他好文   时间:2014-07-22 00:04:35    阅读次数:154
第五课 Struts的控制器【续】Action类的execute()方法
Action类的execute()方法: public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException ;...
分类:其他好文   时间:2014-07-21 22:46:07    阅读次数:280
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