Given a collection of numbers, return all
possible permutations.For example,[1,2,3]have the following
permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,...
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其他好文 时间：
2014-05-27 02:42:35
阅读次数：
202
reference
from:http://www.programcreek.com/2013/09/top-10-questions-for-java-collections/The
following are the most popular questions of Java collecti...
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编程语言 时间：
2014-05-23 22:27:40
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545
Design and implement a data structure for Least
Recently Used (LRU) cache. It should support the following
operations:getandset.get(key)- Get the valu...
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其他好文 时间：
2014-05-23 09:59:05
阅读次数：
257
【题目】
Given a collection of numbers that might contain duplicates, return all possible unique permutations.
For example,
[1,1,2] have the following unique permutations:
[1,1,2], [1,2,1], and [2,1,1].
【题意】
给定一个候选数集合，候选集中可能存在重复数，返回所有的排列
【思路】
...
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其他好文 时间：
2014-05-22 17:32:17
阅读次数：
247
There are N children standing in a line. Each child is assigned a rating value.
You are giving candies to these children subjected to the following requirements:
Each child must have at least one candy.
Children with a higher rating get more candies than...
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其他好文 时间：
2014-05-22 11:00:49
阅读次数：
285
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:
get and set.
get(key) - Get the value (will always be positive) of the key if t...
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其他好文 时间：
2014-05-22 07:25:32
阅读次数：
254
Using Sessions and Session PersistenceThe
following sections describe how to set up and use sessions and session
persistence:Overview of HTTP Sessions...
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其他好文 时间：
2014-05-22 00:29:42
阅读次数：
298
Navier-Stokes equations1 Let $\omega$ be a domain
in $\bbR^3$, complement of a compact set $\mathcal{B}$. Consider the following
boundary value proble...
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其他好文 时间：
2014-05-19 14:27:04
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498
zxing
github连接：https://github.com/zxing/zxing以下为修改方法Step 1: Add following lines to
rotate data beforebuildLuminanceSource(..)indecode(byte[] data, int...
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移动开发 时间：
2014-05-19 12:06:40
阅读次数：
629
试了不少方法，最后还是这个最有效。[转自：http://thatsimplecode.com/install-mongodb-driver-for-php-on-xampp-for-mac-osx]You
need to have the following installed in your Ma...
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数据库 时间：
2014-05-18 19:10:28
阅读次数：
305
