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?解题思路:找规律即可,JAVA...
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编程语言 时间:
2015-05-14 22:00:26
阅读次数:
106
mysql通过data目录恢复数据库阅读:1236次时间:2010-03-24 06:53:30 字体:[大中小]重装系统后,MySQL服务没有了,但是数据库的文件还在,这个时候我想恢复以前的数据库, 起码要把数据导出来。MySQL重装N次,永远提示Could not start service e...
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数据库 时间:
2015-05-14 18:24:34
阅读次数:
134
C# 访问https请求被中止: 未能创建 SSL/TLS 安全通道(Could not create SSL/TLS secure channel)一般GetResponse可以直接访问https,如果不行添加回调:ServicePointManager.ServerCertificateVali...
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Windows程序 时间:
2015-05-14 18:03:34
阅读次数:
2317
启动Apache时报错信息:[root@guest-4-205httpd]#/etc/init.d/httpdstartStartinghttpd:(13)Permissiondenied:make_sock:couldnotbindtoaddress[::]:8000(13)Permissiondenied:make_sock:couldnotbindtoaddress0.0.0.0:8000nolisteningsocketsavailable,shuttingdownUnabletoop..
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Web程序 时间:
2015-05-14 14:29:30
阅读次数:
96
Error: could not open single-table tablespace file .\test\dr.ibd在网上搜索到的解决方案都不管用。结果整合了两个解决方案:删掉xampp/data/ib_logfile0xampp/data/ib_logfile1xampp/data/i...
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数据库 时间:
2015-05-14 13:49:05
阅读次数:
125
Remove OpenCv Opencv2 etc. from your run and build depends (in package.xml) as well as from the line find_package( catkin REQUIRED COMPONENTS .... (in CMakeLists.txt)
With catkin in groovy/hydro Open...
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其他好文 时间:
2015-05-14 10:04:02
阅读次数:
782
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?分析:先沿对角线进行对折,然后沿水平中...
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其他好文 时间:
2015-05-14 00:40:00
阅读次数:
164
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 extra...
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其他好文 时间:
2015-05-13 22:01:30
阅读次数:
138
Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with ...
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其他好文 时间:
2015-05-13 19:34:33
阅读次数:
123
异常描述:redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool at redis.clients.util.Pool.getResource(Pool.java:...
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其他好文 时间:
2015-05-13 12:04:38
阅读次数:
78