未进行系统整理：
关于str:
http://blog.sina.com.cn/s/blog_5dd2af0901012r96.html
获取主机ip:
http://www.jb51.net/article/68524.htm
异常处理：
http://blog.chinaunix.net/uid-22920230-id-3074716.html
http://blog.csdn.net/spch2008/article/details/9343207
变量作用域：
http://www.crifan.com/summary_python_variable_effective_scope/
函数：
http://www.jb51.net/article/56430.htm
容器：
http://www.runoob.com/python/python-lists.html
http://www.linuxidc.com/Linux/2012-05/61397.htm
http://www.cnblogs.com/zhengyuxin/articles/1938300.html
url路径转换：
http://www.coder4.com/archives/2674
java中：http://jsczxy2.iteye.com/blog/1683516
https://www.zhihu.com/question/20899988/answer/24923424?group_id=252360038
爬虫：
http://www.zhihu.com/question/27621722
http://www.zhihu.com/question/20899988
