python进阶_技术问答

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python进阶

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qq_知秋一叶_1

class Person(object):

__count = 0

def __init__(self, name):
self.name = name
Person.__count += 1
print Person.__count

p1 = Person('Bob')
p2 = Person('Alice')

try:
print Person.__count
except:
print 'AttributeError'

1 4-7 python中类属性和实例属性名字冲突怎么办

2018-02-27

qq_知秋一叶_1

class Person(object):
count = 0
def __init__(self,name):
self.name = name
Person.count += 1

0 4-6 python中创建类属性

2018-02-27

慕粉100143943

class Person(object):
def __init__(self, name, gender, birth, **kw):
self.name = name
self.gender = gender
self.birth = birth
self.other = kw

xiaoming = Person('Xiao Ming', 'Male', '1990-1-1', job='Student')

print xiaoming.name
print xiaoming.other['job']

0 4-4 python中初始化实例属性

2018-02-27

java后端

类似java 的注解功能

2 2-12 python中编写无参数decorator

2018-02-26

慕的地7182864

#利用伪私有
class Person(object):

__count = 0

def __init__(self, name):
Person.__count=Person.__count+1
self.name=name
print self._Person__count

p1 = Person('Bob')
p2 = Person('Alice')
try:
print Person.__count
except AttributeError:
print('AttributeError:')

1 4-7 python中类属性和实例属性名字冲突怎么办

2018-02-26

qq_知秋一叶_1

def __init__(self,name,gender,birth,**kw):
self.name = name
self.gender = gender
self.birth = birth
for k,v in kw.items():
setattr(self,k,v)

0 4-4 python中初始化实例属性

2018-02-26

chordzzzz

貌似没这个文件，
各显神通直接过吧

1 3-2 python之导入模块

2018-02-26

qq_知秋一叶_1

def __init__(self,name,gender,birth,job):
self.name = name
self.gender = gender
self.birth = birth
self.job = job

0 4-4 python中初始化实例属性

2018-02-26

qq_知秋一叶_1

L2 = sorted(L1,key=lambda s:s.name.lower())

0 4-3 python中创建实例属性

2018-02-26

小佳佳QAQ

看到课程总结的时候，前面的已经忘光了，得重新学一下了

0 7-1 课程总结

2018-02-26

Blake_lee

没有想到啊，可以先比较分数相同的。。。再比较分数和名字都不同的

0 6-3 python中 __cmp__

2018-02-26

属鸵鸟的空想家

class Person(object):

__count = 0

def __init__(self, name):
self.name=name
Person.__count+=1
print Person.__count

p1 = Person('Bob')
p2 = Person('Alice')

try:
print Person.__count
except AttributeError:
print 'attributeError'

0 4-7 python中类属性和实例属性名字冲突怎么办

2018-02-26

qq_知秋一叶_1

import os.path
from os.path import isdir
from os.path import isfile

0 3-2 python之导入模块

2018-02-26

qq_知秋一叶_1

sorted_ignore_case = functools.partial(sorted,key = lambda s:s.lower())

0 2-15 python中偏函数

2018-02-26

qq_知秋一叶_1

@functools.wraps(f)
def wrapper(*args,**kw):
t1 = time.time()
r = f(*args,**kw)
t2 = time.time()
print 'call %s() in %.2f%s' %(f.__name__,(t2-t1)*1000,unit)
return r
return wrapper

0 2-14 python中完善decorator

2018-02-26

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