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class MyClass():
def __init__(self, n = 10):
self._Field = n
def __getitem__(self, range):
return MyClass(self._Field)
obj1 = MyClass()
obj2 = obj1
obj3 = obj1[:]
obj1._Field = 100
obj4 = MyClass(123)
print obj1._Field, obj2._Field, obj3._Field, obj4._Field
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>>> 100 100 10 123
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f =
file('x1.txt', 'w')
f.write(u'ÖÐÎÄ')
f.colse()
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f.write(u'ÖÐÎÄ')
UnicodeEncodeError: 'ascii'
codec can't encode characters in position 0-16: ordinal not in
range(128)
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import codecs
f = codecs. ......
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MySQLdbĬÈϲéѯ½á¹û¶¼ÊÇ·µ»Øtuple£¬Êä³öʱºò²»ÊǺܷ½±ã£¬±ØÐë°´ÕÕ0£¬1ÕâÑù¶ÁÈ¡£¬ÎÞÒâÖÐÔÚÍøÉÏÕÒµ½¼òµ¥µÄÐ޸ķ½·¨£¬¾ÍÊÇ´«µÝÒ»¸öcursors.DictCursor¾ÍÐС£
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import MySQLdb
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', d ......
def
subString
(s,
length):
us = unicode(s, 'utf-8
')
gs =
us.encode('gb2312
')
n = int(length)
t = gs[:n]
while True
:
try
:
&nb ......
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1¡£Ê×ÏȰ²×°Ubuntu10.04
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2¡£ÐÞ¸ÄrootÓû§ÃÜÂë
3¡£Ê¹ÓÃrootµÇ½ϵͳ
4¡£UbuntuĬÈÏÒѾ°²×°python2.6.5
5¡£ÏÂÔØstackless
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# cd /usr/src
# wget http://www.sta ......