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Rotate Image <leetcode>
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?思路:首先左右翻转,然后按照左下,右上...
分类:其他好文   时间:2014-09-03 19:50:47    阅读次数:241
Valid Sudoku
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...
分类:其他好文   时间:2014-09-03 19:39:47    阅读次数:181
vim eclipse java
tar -xzvf eclipse*.*.gzmv eclipse /opt/eclipseln -s /opt/eclipse /usr/bin/eclipserun rpm in debainI wouldn't recommend it. You probably could compile ...
分类:编程语言   时间:2014-09-03 16:41:26    阅读次数:341
ubuntu添加qmake 出现错误 qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory
出错原因,没有安装qt4库,/usr/lib/x86_64-linux-gnu/qt4所以出现错误,可以安装手动安装qt库sudo apt-get install qt-sdk如果自己编译qt库,那就需要手动修改路径cd/usr/lib/x86_64-linux-gnu/qt-default/qtc...
分类:系统相关   时间:2014-09-03 12:33:16    阅读次数:537
MySQL启动错误ERROR! MySQL server PID file could not be found的解决办法
MySQL启动错误ERROR! MySQL server PID file could not be found的解决办法...
分类:数据库   时间:2014-09-02 19:57:15    阅读次数:283
Leetcode-Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-placen*n矩阵顺时针旋转90度,规律 a[i...
分类:其他好文   时间:2014-09-02 17:14:04    阅读次数:180
源码安装Apache,报错:Cannot use an external APR with the bundled APR-util和httpd: Could not reliably determine the server's fully qualified domain name
一、解决APR和APR-util错误: 1.1、安装APR:[root@ganglia httpd-2.2.23]# cd srclib/apr[root@ganglia apr]# ./configure --prefix=/usr/local/apr root@ganglia apr]# ...
分类:其他好文   时间:2014-09-02 17:10:15    阅读次数:186
GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
warning:rpmts_HdrFromFdno:HeaderV3RSA/SHA256Signature,keyID0608b895:NOKEYRetrievingkeyfromfile:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6GPGkeyretrievalfailed:[Errno14]Couldnotopen/readfile:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6解决方案没有解决:今天更新为163的源..
分类:其他好文   时间:2014-09-02 12:38:35    阅读次数:546
mysql 启动错误 - server PID file could not be found
[root@centos var]# service mysql stopMySQL manager or server PID file could not be found! [FAILED]解决办法:首先查看一下进程[root@accenture /]# ps aux |grep mysq*r...
分类:数据库   时间:2014-09-02 12:12:34    阅读次数:173
Top 5 Code Smells Newbies Developers Could Easily Identify & Avoid
Posted byAjitesh Kumar /InFreshers,Software Quality /February 1, 2014Following is one very popular image which has been used to represent time and aga...
分类:其他好文   时间:2014-09-02 10:23:34    阅读次数:278
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