题目： Given a linked list, determine if it has a
cycle in it. Follow up: Can you solve it without using extra space?解题思路：
使用快慢指针，快指针每次走两步，慢指针每次走一步...
分类：
其他好文 时间：
2014-05-16 05:19:21
阅读次数：
271
题目： Given a linked list, return the node where the
cycle begins. If there is no cycle, returnnull. Follow up: Can you solve it
without using extr...
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其他好文 时间：
2014-05-16 04:50:13
阅读次数：
329
【题目】
原文：
1.6 Given an image represented by an NxN matrix, where each pixel in the image is 4 bytes, write a method to rotate the image by 90 degrees. Can you do this in place?
译文：
一张图像表示...
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其他好文 时间：
2014-05-15 05:43:35
阅读次数：
240
The web.config file can be used to set a
default document, or list of default documents for your website. Web.config can
be used to change the defau.....
分类：
Web程序 时间：
2014-05-15 02:21:15
阅读次数：
448
戳我去解题You 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 ways can you ...
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其他好文 时间：
2014-05-15 01:55:06
阅读次数：
251
Description
Businesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or phrase. For example, you can call the Universit...
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其他好文 时间：
2014-05-15 00:20:39
阅读次数：
332
Linked List CycleGiven a linked list, determine
if it has a cycle in it.Follow up:Can you solve it without using extra
space?做完Linked List Cycle II在做这...
分类：
其他好文 时间：
2014-05-14 23:30:00
阅读次数：
399
Given two numbers represented as strings,
return multiplication of the numbers as a string.Note: The numbers can be
arbitrarily large and are non-nega...
分类：
其他好文 时间：
2014-05-14 23:11:14
阅读次数：
398
按要求装了postgreSQL 9.3，之前装个9.2.数据库出错了，选择了9.3版本。然后通过Application stack bulider装了 postgis 2.1。装的时候选择了创建一个空的数据库，但屡屡安装失败，取消之后安装成功。
配置了数据库的参数后，选择要导入的.shp文件，更改SRID，这里其实SRID我不太了解，因为每个SRID对应的都对应EPGS编码，打开prj文...
分类：
数据库 时间：
2014-05-14 14:23:55
阅读次数：
1219
MotivationWe can not talk about Object Oriented
Programming without considering the state of the objects. After all object
oriented programming is abo...
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其他好文 时间：
2014-05-14 10:51:18
阅读次数：
354
