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Some May Pick The Perfect Color And Style The Bag May Have
One of the factors that make these bags so well known that it is true that they are very stylish, these bags come in different designs. A wide range o...
分类:其他好文   时间:2014-06-29 13:50:06    阅读次数:302
图片缩放时java.lang.IllegalArgumentException: pointerIndex out of range
06-03 20:45:24.143: E/AndroidRuntime(1230): FATAL EXCEPTION: main 06-03 20:45:24.143: E/AndroidRuntime(1230): java.lang.IllegalArgumentException: pointerIndex out of range 06-03 20:45:24.143: E/Andr...
分类:编程语言   时间:2014-06-20 12:23:54    阅读次数:563
JavaScript高级程序设计38.pdf
比较DOM范围在有多个范围的情况下,可以使用compareBoundaryPoints()方法来确认这些范围是否有公共的边界,接收两个参数:表示比较方式的常量值和要比较的范围常量如下Range.START_TO_START(0):比较第一个范围和第二个范围的起点;Range.START_TO_END...
分类:编程语言   时间:2014-06-09 23:45:22    阅读次数:276
python计算均值方差
用Python求均值与方差,可以自己写,也可以借助于numpy,不过到底哪个快一点呢?我做了个实验,首先生成9百万个样本:```pythonnlist=range(0,9000000)nlist=[float(i)/1000000 for i in nlist]N=len(nlist)```第二行是...
分类:编程语言   时间:2014-06-07 22:48:05    阅读次数:1623
LeetCode:Minimum Path Sum
题目链接 Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its p...
分类:其他好文   时间:2014-06-07 21:59:08    阅读次数:344
leetcode--Minimum Path Sum
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo...
分类:其他好文   时间:2014-06-07 20:22:17    阅读次数:264
projecteuler---->problem=18----Maximum path sum I
By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bottom is 23. 3 7 4 2 4 6 8 5 9 3 That is, 3 + 7 + 4 + 9 = 23. Find th...
分类:其他好文   时间:2014-06-07 13:45:25    阅读次数:189
projecteuler---->problem=21----Amicable numbers
Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) = a, where a b, then a and b are an amicable pair and each of a and b...
分类:其他好文   时间:2014-06-07 13:40:53    阅读次数:226
一入python深似海--range()与for
range用法 使用python的人都知道range()函数很方便,今天再用到他的时候发现了很多以前看到过但是忘记的细节。 这里记录一下: >>> range(1,5) #代表从1到5(不包含5) [1, 2, 3, 4] >>> range(1,5,2) #代表从1到5,间隔2(不包含5) [1, 3] >...
分类:编程语言   时间:2014-06-07 12:09:21    阅读次数:276
LeetCode:Next Permutation
题目链接Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not pos...
分类:其他好文   时间:2014-06-07 11:10:30    阅读次数:212
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