1、获取Cookie: 1 request.COOKIES['key'] 2 request.get_signed_cookie(key, default=RAISE_ERROR, salt='', max_age=None) 3 参数: 4 default: 默认值 5 salt: 加密盐 6 m ...
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其他好文 时间:
2020-02-03 18:44:06
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82
1. Objects&Class--对象&类 Object ? Objects have states and behaviors. An object is an instance of a class. Example: A dog has states - color, name, breed ...
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其他好文 时间:
2020-02-02 23:47:07
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100
解决《利用python进行数据分析》P139报错问题 index must be monotonic increasing or decreasingframe.reindex(index=['a','b','c','d'],method='ffill',columns=states)报错:inde ...
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编程语言 时间:
2020-02-01 14:17:20
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140
1、密码为什么要加密 存在数据库中的密码如果是明文,一旦数据库数据泄漏了,别人就可以拿着你的账号密码为所欲为。更何况有很多人在各个平台的用户名密码都是一致的。所以用户的密码,一定要加密存储。 2、加密算法的种类 2.1、对称加密,指的是需要对加密和解密使用相同密钥的加密算法。常见的对称加密算法有:D ...
Java类equals抽象类类型StringIntegershort多线程概念锁synchronized线程创建及状态线程通讯线程安全ThreadLocalatomicvolatile终止线程反射什么是反射?序列化什么是 java 序列化?什么情况下需要序列化?Spring组件IOC依赖注入作用域事... ...
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编程语言 时间:
2020-01-23 09:20:59
阅读次数:
88
资源整理。1.Nature Climate Change论文”Higher temperatures increase suicide rates in the United States and Mexico”的code,更高的温度会增加美国和墨西哥的自杀率。NCC2018论文链接2.Nature... ...
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其他好文 时间:
2020-01-21 23:46:48
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98
Trying to structure the state logic of an application as a single machine can begin to become unwieldy when we have too many states. It is often bette ...
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系统相关 时间:
2020-01-21 21:31:40
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89
Can you walk and talk at the same time? If so, you've experienced what it's like to be in two states at the same time. Hopefully, those two states hav ...
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其他好文 时间:
2020-01-20 09:39:21
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70
As our state machines grow more complex, we might find ourselves in a situation where a state should only exist if the machine is already in another s ...
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其他好文 时间:
2020-01-20 00:06:47
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77
Consider a text input. It would be impossible for anyone to model every value you could possibly put into it, because the number of possible values is ...
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其他好文 时间:
2020-01-20 00:06:35
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71