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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>Bootstrap, from Twitter</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta name="description" content=""> | |
<meta name="author" content=""> | |
<!-- Le styles --> |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<title>Bootstrap, from Twitter</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta name="description" content=""> | |
<meta name="author" content=""> | |
<!-- Le styles --> |
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var assert = require('assert') | |
describe('object', function() { | |
it('{}', function() { | |
var obj = { | |
name: 'obj', | |
des: 'des' | |
}; | |
assert.equal('obj', obj.name); | |
assert.equal('des', obj.des); |
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#-*- coding:utf-8 -*- | |
''' | |
重载setdefault方法,当key存在,并且value为空字符串或None时,也会设置为defaultvalue。 | |
>>> d = alwaysdefaultdict() | |
>>> d.setdefault('key','') | |
'' | |
>>> d.setdefault('key','default') | |
'default' | |
>>> d.get('key') | |
'default' |