题目链接：Palindrome Number
Determine whether an integer is a palindrome. Do this without extra space.
Some hints:
Could negative integers be palindromes? (ie, -1)
If you are thinking of converting the...
分类：
其他好文 时间：
2015-01-28 21:30:17
阅读次数：
208
You are given an n x n 2D matrix representing an image.
Rotate the image by 90 degrees (clockwise).
Follow up:
Could you do this in-place?
根据一个点坐标计算出其他三个点的位置。
可以依据，每个点到外边框的对应距离相等，推算坐标。
...
分类：
其他好文 时间：
2015-01-28 14:49:45
阅读次数：
131
监听日志listener.log里面出现了 TNS-12518: TNS:listener could not hand off client connection与TNS-12540: TNS:internal limit restriction exceeded错误，如下所示，用户连接不上ORA...
分类：
其他好文 时间：
2015-01-27 23:17:13
阅读次数：
381
Given an index k, return the kth row of the Pascal's triangle.
For example, given k = 3,
Return [1,3,3,1].
Note: Could you optimize your algorithm to use only O(k) extra space?
题目大意
给定一个索引k，...
分类：
其他好文 时间：
2015-01-27 18:21:38
阅读次数：
172
项目启动后，控制台报如下错误：org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a...
分类：
编程语言 时间：
2015-01-27 13:33:41
阅读次数：
4994
Ubuntu下CMake 编译时出现问题：Could NOT find CURL (missing: CURL_LIBRARY CURL_INCLUDE_DIR)查找发现 # sudo apt-get install libcurl4-openssl-dev新问题，有的人可能出现1，有的出现2。1：...
分类：
Web程序 时间：
2015-01-26 22:34:37
阅读次数：
1388
ubuntu上安装Apache2时出现错误Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80 端口被占用造成在root权限下键入命令：# netstat -lnp | grep 80从图中可...
分类：
其他好文 时间：
2015-01-26 19:16:54
阅读次数：
268
标题：Valid Sudoku通过率:27.2%难度：简单Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where...
分类：
其他好文 时间：
2015-01-26 19:09:45
阅读次数：
144
...Applied just once, as opposed to every button element seemed to fix all buttons on the page. Alternatively you could use this small JS library ...
分类：
其他好文 时间：
2015-01-26 18:54:28
阅读次数：
221
Marsha and Bill own a collection of marbles. They want to split the collection among themselves so that both receive an equal share of the marbles. This would be easy if all the marbles had the same value, because then they could just split the collection ...
分类：
其他好文 时间：
2015-01-26 17:08:53
阅读次数：
206
