Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal...
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其他好文 时间:
2014-06-25 23:01:44
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227
Chapter1 and Chapter2方法定义:def methodName(param1: ParamType, param2: ParamType2, [maybe more]): ReturnType = { // method body}函数式编程中一个约定俗成的说法就是,方法会返回一....
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其他好文 时间:
2014-06-25 19:15:35
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205
note:在html 标签类中的checkbox实现单选效果。在最近的开发项目中,客户要求使用小方格子实现“单选”功能,显然圆点的radio被out了,只能选择chckbox的方块样式,也在网上搜过,可能有点儿脑残,没有找到。废话不多说直接上代码: checkbox实现单选效...
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Web程序 时间:
2014-06-25 19:14:51
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258
Learn to programming in funtional way如果一个方法中存在var的话,那么这个方法很可能就是指令式编程。如果一个方法中只存在val的话,那么这个方法很可能是函数式编程。我们需要尝试着把方法中的val删除掉。副作用,一个方法满足函数式编程的基本要求,但是返回值是一个U...
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其他好文 时间:
2014-06-25 18:31:47
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166
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using e...
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其他好文 时间:
2014-06-24 23:30:08
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278
【题目】
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profit. You may complete at most two transactions.
Note:
You may not engage in multiple transactions at the same time (i...
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其他好文 时间:
2014-06-24 23:28:43
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223
图像金字塔
目标
本文档尝试解答如下问题:
如何使用OpenCV函数 pyrUp 和 pyrDown 对图像进行向上和向下采样。
原理
Note
以下内容来自于Bradski和Kaehler的大作: Learning OpenCV 。
当我们需要将图像转换到另一个尺寸的时候, 有两种可能:
放大 图像 或者缩小 图像。...
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其他好文 时间:
2014-06-24 22:54:22
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346
Given a collection of integers that might contain duplicates, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplica...
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其他好文 时间:
2014-06-24 20:58:32
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230
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without u...
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其他好文 时间:
2014-06-24 15:52:58
阅读次数:
222
【题目】
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is a palindrome.
"race a car" is not a palindrome.
Note:
Have you consider that the string m...
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其他好文 时间:
2014-06-24 15:35:07
阅读次数:
150