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hust 1075 Every String Left Behind
题目描述Elenore has a list of strings that she wants to put in a file. She could just put them all into a file in order, but she wants to minimize the siz...
分类:其他好文   时间:2014-05-17 01:33:55    阅读次数:257
static inner class 什么时候被加载
一直认为在加载outer class 的同时也会加载inner class 并且完成静态变量和代码块的初始化,今天在维基百科上面看到“The static class definitionLazyHolderwithin it isnotinitialized until the JVM deter...
分类:其他好文   时间:2014-05-16 19:57:41    阅读次数:316
关于反常积分收敛的专题讨论
$\bf命题:$设$\int_a^{ + \infty } {f\left( x \right)dx} $收敛,若$\lim \limits_{x \to \begin{array}{*{20}{c}} {{\rm{ + }}\infty } \end{array}} f\left( x \righ...
分类:其他好文   时间:2014-05-14 09:49:48    阅读次数:341
05626
设\[\mathop {\lim }\limits_{x \to \begin{array}{*{20}{c}}{{a^ + }}\end{array}} f\left( x \right) = \mathop {\lim }\limits_{x \to \begin{array}{*{20}{c}...
分类:其他好文   时间:2014-05-14 08:33:45    阅读次数:310
05626265
设\[\mathop {\lim }\limits_{x \to \begin{array}{*{20}{c}}{{a^ + }}\end{array}} f\left( x \right) = \mathop {\lim }\limits_{x \to \begin{array}{*{20}{c}...
分类:其他好文   时间:2014-05-14 08:32:48    阅读次数:245
poj 3286 统计0的个数
1 #include 2 3 using namespace std; 4 long long p; 5 long long a[20]; 6 long long solve(long long n){ 7 long long left,m,sum =0; 8 for(i...
分类:其他好文   时间:2014-05-13 21:29:55    阅读次数:369
html 4 浮动 清除浮动
前一个元素设置浮动了紧挨着的元素就浮动在上个元素的下面被上个元素给覆盖要不想被覆盖 要清除浮动clear:left clear:right左浮元素不覆盖 右边元素不覆盖clear:both; Document Header Content ...
分类:Web程序   时间:2014-05-13 19:12:13    阅读次数:357
python自定义查找文件内容
#!/usr/bin/envpython#coding:utf8#此脚本为查找递归目录下所有文件匹配的内容importos,sys,tabdefpaths(path):list_path=os.walk(path)all_file=[]forp,d,flinlist_path:forfinfl:pfile=os.path.join(p,f)ifos.path.isdir(pfile):paths(pfile)all_file.append(pfile)returnall..
分类:编程语言   时间:2014-05-13 03:49:34    阅读次数:426
python管理mysql,请叫我雷锋
#!/usr/bin/envpython#coding:utf8importos,sys,glob,time,MySQLdb,reDIRNAME=os.path.dirname(__file__)OPSTOOLS_DIR=os.path.abspath(os.path.join(DIRNAME,‘..‘))sys.path.append(OPSTOOLS_DIR)fromlibrary.mysqlconfigimportMySQLDConfig,getMyVariablesfromoptparseimport..
分类:数据库   时间:2014-05-13 02:46:59    阅读次数:809
python批量修改服务器密码,同时保存execl表格
#!/usr/bin/envpython#coding:utf8#随机生成自定义长度密码fromrandomimportchoiceimportstring,pickledefGenPassword(length=8,chars=string.ascii_letters+string.digits):return‘‘.join([choice(chars)foriinrange(length)])defpasslist(r_user,c_user,ip_list,web_list):di..
分类:编程语言   时间:2014-05-13 01:25:56    阅读次数:505
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