2017-10-16 描述统计学笔记(Udacity)
2017-9-14 通过__slots__节省内存
见原文1234567class Measurement: __slots__ = ['x', 'y', 'val'] def __init__(self, x, y, value): self.x = x self.y = y self.va
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2017-9-12 str() vs json.dumps()
str() 与 json.dumps()的区别1234567891011121314151617>>> data = {'jsonKey': 'jsonValue',"title": "hello world"}>>> print json.
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