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...
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其他好文 时间:
2014-06-29 13:50:06
阅读次数:
302
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...
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编程语言 时间:
2014-06-20 12:23:54
阅读次数:
563
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...
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编程语言 时间:
2014-06-09 23:45:22
阅读次数:
276
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...
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编程语言 时间:
2014-06-07 22:48:05
阅读次数:
1623
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...
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其他好文 时间:
2014-06-07 21:59:08
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344
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...
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其他好文 时间:
2014-06-07 20:22:17
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264
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...
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其他好文 时间:
2014-06-07 13:45:25
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189
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...
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其他好文 时间:
2014-06-07 13:40:53
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226
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]
>...
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编程语言 时间:
2014-06-07 12:09:21
阅读次数:
276
题目链接Implement next permutation, which rearranges
numbers into the lexicographically next greater permutation of numbers.If such
arrangement is not pos...
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其他好文 时间:
2014-06-07 11:10:30
阅读次数:
212