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Blogpump中想在list中添加一个嵌套的list为其子项，但是调用extend发现总是结果不对，才发现原来extend和append的调用有如此的差别。

1. list extend (扩展) 与 append (追加) 的差别
>>>li=['a','b']
>>>li.extend(['c','d'])
>>>li
['a', 'b', 'c', 'd']
>>>li.append(['e','f'])
>>>li
['a', 'b', 'c', 'd',['e','f']]

Continue reading Python programming- List extend() and append() - 全文阅读

在网上看见用Python用SGMLParser抓取网页连接的大部分都是用以下代码:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from sgmllib import SGMLParser
import urllib
import urllib2
import socket
socket.setdefaulttimeout(210)

class URLLister(SGMLParser):

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Big Picture is:

1) Module A: Interface with supported Weblog Server to post/retrieve web page, article and others;

2) Module B: Container to support editor or list for data;

3) Module C: Interface with Web Crawler to grasp pages you wanted or articles relevant information against popular search engines;

4) Module D: Profile management for source, patterns and destination combination flexibility;

5) Module E: Data persistent module to store/read locally;

Continue reading BlogPump: Blog Post Client with Web Crawler(1) – big picture - 全文阅读