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import xml.dom.minidomimport osimport sysimport zipfileimport shutilimport datetimefrom os import pathdef main(): #working with xml... 阅读全文
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#enumerate#seasons=['spring','summer','autumn','winter']seasons=('spring','summer','autumn','winter') # env tuple is works ,but after ... 阅读全文
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#using Decorators not understand reallyimport operatorclass Files: def __init__(self,**kwargs): self.properties =kwargs ... 阅读全文
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#exception handling of Python#how to do with the exception just like java#raising exceptions#multiple exceptions#geniric exception#ig... 阅读全文
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#! usr/bin/python# #coding=utf-8 # for chinese#overview of classes and Methodsclass data(object): print __name__ def __init__... 阅读全文
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from operator import itemgetter,attrgetterdef main(): #range function mynms =list(range(10,20,2)) print mynms print sorted... 阅读全文
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#Python Data Structures#working with listswords = "the quick brown for jumps over the lazy dog".split()print(words)info = [[w.upper(),... 阅读全文
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内容来自京东金融微信公众号整理和解读Google 发表三大论文 GFS MapReduce BigTable 衍生出很多开源框架 ，毫无疑问 Hadoop 在 大家心中的地位是不可估量的 。Hadoop 因为其高可用 高扩展 高容错 特性成为开源工业界的事实标... 阅读全文