jquery中filter(fn)给出的官方说明是:筛选出与指定函数返回值匹配的元素集合这个函数内部将对每个对象计算一次 (正如 '$.each'). 如果调用的函数返回false则这个元素被删除,否则就会保留。这个说明没有问题,可是给出的例子却有问题。例子是HTML 代码:HelloHow are...
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Web程序 时间:
2014-10-15 19:27:21
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184
Climbing StairsYou are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct way...
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其他好文 时间:
2014-10-15 19:24:01
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168
首先是原题,转自UVAOJThe ? 1 ? 2 ? ... ? n = k problemThe problemGiven the following formula, one can set operators '+' or '-' instead of each '?', in order t...
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其他好文 时间:
2014-10-15 19:22:11
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246
问题: A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep ...
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其他好文 时间:
2014-10-15 15:40:50
阅读次数:
262
Cross Counting
Time Limit: 1000MS
Memory Limit: 131072K
Total Submissions: 1331
Accepted: 375
Description
Given a N × M grid with different colors on each cell, you...
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其他好文 时间:
2014-10-15 15:31:20
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114
原文Demos of each of the methods below byclicking here.Horizontal centering with cssis rather easy. When the element to be centered is an inline element...
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Web程序 时间:
2014-10-15 12:27:50
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178
Problem:Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpo...
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其他好文 时间:
2014-10-15 02:00:09
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238
ConstraintsTime Limit: 1 secs, Memory Limit: 32 MBDescriptionA number of students sit in a circle facing their teacher in the center. Each student ini...
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其他好文 时间:
2014-10-14 23:27:09
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137
Largest Rectangle in Histogram
Total Accepted: 18582 Total
Submissions: 86792My Submissions
Given n non-negative integers representing the histogram's bar height where the width of each b...
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其他好文 时间:
2014-10-14 16:38:09
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154
Time Limit: 1sec Memory Limit:32MBDescriptionCylinders (e.g. oil drums) (of radius 1 foot) are stacked in a rectangular bin. Each cylinder on an uppe....
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其他好文 时间:
2014-10-14 16:02:08
阅读次数:
227