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移动端head需要设置的meta属性
width:就是让文档以手机屏幕的宽度为100%来缩放css的比例; initial-scale:页面初始缩放比例; maximum-scale:页面最大缩放的程度 minimum-scale:页面最小的缩放比例; user-scalable:是否允许用户缩放; minimal-ui:ios7出来的新特性,可以去掉导航栏(还没有验证ing~~)...
分类:移动开发   时间:2015-01-21 15:18:18    阅读次数:221
Matlab中的数据预处理-归一化(mapminmax)与标准化(mapstd)
最近遇到数据预处理的一些问题,本来很简单的东西,但是却搞的烦烦的,痛定思痛,决定自己实现一下。 一、mapminmax Process matrices by mapping row minimum and maximum values to [-1 1] 意思是将矩阵的每一行处理成[-1,1]区间,此时对于模式识别或者其他统计学来说,数据应该是每一列是一个样本,每一行是多个样本的同一维,即...
分类:其他好文   时间:2015-01-21 13:27:01    阅读次数:416
Leetcode#124 Binary Tree Maximum Path Sum
原题地址假设我们找到了一个最优路径,那么该路径上一定存在一个节点,左边的路径是它的左儿子,右边的路径是它的右儿子。所以,只需要在遍历二叉树求路径的同时更新最大值即可。maxPath = max{只保留左边路径,只保留右边路径,同时保留左右两边路径,左右两边路径都不保留(只有节点本身)},对应第8行无...
分类:其他好文   时间:2015-01-21 13:18:39    阅读次数:118
LeetCode-Maximum Product Subarray
题目链接:点击打开链接 题目信息: Find the contiguous subarray within an array (containing at least one number) which has the largest product. For example, given the array [2,3,-2,4], the contiguous subarray ...
分类:其他好文   时间:2015-01-20 22:13:22    阅读次数:210
Maximum Gap 164
题目描述:给出一个没有排序的数组,找出这个数组中数字排序之后相邻元素的最大差值给出的数字都是整数,且范围在32位整数范围内要求时间复杂,空间复杂度都是线性复杂度题目分析:最简单的方法就是排序之后,找相邻元素之间的最大差值但是时间复杂度为 O(nlogn)这个题考察的是排序之后的情况,那么看来还是要适...
分类:其他好文   时间:2015-01-20 13:36:56    阅读次数:86
[LeetCode] Maximum Gap 求最大间距
Given an unsorted array, find the maximum difference between the successive elements in its sorted form.Try to solve it in linear time/space.Return 0 ...
分类:其他好文   时间:2015-01-19 23:32:53    阅读次数:234
LeetCode Jump Game II
Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximum jump length at that position.Your goal is to rea...
分类:其他好文   时间:2015-01-19 15:53:51    阅读次数:122
We are already in the process of making n+ connections and the number of simultaneous builds has bee
simultaneous-build-throttle: This is the maximum number of connections we can be building at any one time. That is, the number of new connections that have been requested but aren’t yet available ...
分类:其他好文   时间:2015-01-19 10:56:40    阅读次数:277
[LeetCode] Binary Tree Maximum Path Sum
Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, 1 ...
分类:其他好文   时间:2015-01-18 13:00:09    阅读次数:145
Maximum Subarray
题目: Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [?2,1,?3,4,?1,2,1,?5,4], the contiguous subarray [4,?...
分类:其他好文   时间:2015-01-18 11:53:17    阅读次数:103
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