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Generate Parentheses
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))...
分类:其他好文   时间:2014-06-04 22:30:30    阅读次数:418
linux中select的使用方法
fd_set是一组文件描述符(fd,file descriptor)的集合,它用一位来表示一个fd。系统提供了4个宏对描述符集进行操作: #include #include //设置文件描述符集fdset中对应于文件描述符fd的位(设置为1)void FD_SET(int fd, fd_set *f...
分类:系统相关   时间:2014-06-04 20:48:17    阅读次数:343
Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?classSolution{publi...
分类:其他好文   时间:2014-06-04 20:25:09    阅读次数:227
Combination Sum
Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated num...
分类:其他好文   时间:2014-06-04 20:15:09    阅读次数:289
Insert Interval
Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially...
分类:其他好文   时间:2014-06-04 20:10:23    阅读次数:204
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ]....
分类:其他好文   时间:2014-06-04 20:06:52    阅读次数:256
make screenshot at Eclipse
In Eclipse, from the Window menu, select Open Perspective > Other... > DDMS. Select the Kindle Fire tablet, and click the camera icon. (If the tablet ...
分类:系统相关   时间:2014-05-29 20:29:15    阅读次数:479
python中lxml的应用
首先下载lxml,http://www.lfd.uci.edu/~gohlke/pythonlibs/,然后添加引用from lxml import _elementpath as DONTUSEfrom lxml import etree具体示例:1.添加命名空间#set namespacensm...
分类:编程语言   时间:2014-05-29 18:10:59    阅读次数:276
vimrc设置
1 syntax on 2 set tabstop=4 3 set softtabstop=4 4 set autoindent 5 set cindent 6 set nu 7 set ruler 8 " change the interprise color 9 highligh...
分类:其他好文   时间:2014-05-29 15:20:00    阅读次数:187
Coursera compiler Set up environment and Run first program
Environment, Ubuntu 14.04set up guideSet up cool compiler1. sudo apt-get install flex bison build-essential csh openjdk-6-jdk libxaw7-dev libc6-i3862....
分类:其他好文   时间:2014-05-29 15:09:43    阅读次数:578
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