Subclasses

Subclasses精品文章

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  python 为什么说eval要慎用？使用eval 带来的潜在风险？什么情况下使用eval？

  ...法，使用如下代码即可： [x for x in ().__class__.__bases__[0].__subclasses__() if x.__name__ == zipimporter][0](/home/liaoxinxi/eval_test/configobj-4.4.0-py2.5.egg).load_module(configobj).os.system(uname) 上面的...

  刘厚水 2019-07-30 14:46 评论0 收藏0
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  Scrapy中的Reponse和它的子类（TextResponse、HtmlResponse、Xml

  ...Response类的定义发现： @property def text(self): For subclasses of TextResponse, this will return the body as text (unicode object in Python 2 and str in Python 3) rai...

  Ashin 2019-07-31 10:08 评论0 收藏0
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  Java设计模式-模板方法模式

  ...efine the skeleton of an algorithm in an operation,deferring some steps to subclasses.TemplateMethod lets subclasses redefine certain steps of an algorithm without changing the algorithmsstructure....

  hellowoody 2019-08-19 11:47 评论0 收藏0
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  深入理解工厂模式

  ...模式的定义： Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.(在基类中定义创建对象的一个接口，让子类决定实例化哪个类。工...

  zhou_you 2019-08-15 17:57 评论0 收藏0
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  让我们一起来构建一个模板引擎（四）

  ....render() # >>> >>> t = Template({{ [x for x in [].__class__.__base__.__subclasses__() if x.__name__ == _wrap_close][0].__init__.__globals__[path].os.system(date) }}) >>> t.render() Mon May 30 22:1...

  yuxue 2019-07-31 12:21 评论0 收藏0
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  spring security ajax登录及返回

  ...ilter http/x509 PRE_AUTH_FILTER AbstractPreAuthenticatedProcessingFilter Subclasses N/A CAS_FILTER CasAuthenticationFilter N/A FORM_LOGIN_FILTER UsernamePasswordAuthenticationFilter http/form...

  ideaa 2019-06-21 16:38 评论0 收藏0
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  关于 static final method 的疑惑

  ...claration not very necessary. Declaring a static method final does prevent subclasses from defining a static method with the same signature. 翻译过来大概是：将一个 static 方法声明为 final 不是非常必要的，因为即使声明为 final，这个 ...

  jindong 2019-08-15 18:15 评论0 收藏0
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  Spring Security配置JSON登录

  ...查密码时为空，抛出BadCredentialsException。 /** * Enables subclasses to override the composition of the password, such as by * including additional values and a separator. * * This might...

  adam1q84 2019-08-15 11:04 评论0 收藏0
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  深入SpringBoot核心注解原理

  ... try { // Allows post-processing of the bean factory in context subclasses. postProcessBeanFactory(beanFactory); // Invoke factory processors registered as beans in th...

  CoderBear 2019-05-23 17:29 评论0 收藏0
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  使用 exec 函数时需要注意的一些安全问题

  ..._].open 通过内置类型对象: >>> for cls in {}.__class__.__base__.__subclasses__(): ... if cls.__name__ == WarningMessage: ... b = cls.__init__.__globals__[__builtins__] ... b[open] ... ...

  赵春朋 2019-07-25 10:25 评论0 收藏0
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  使用 exec 函数时需要注意的一些安全问题

  ..._].open 通过内置类型对象: >>> for cls in {}.__class__.__base__.__subclasses__(): ... if cls.__name__ == WarningMessage: ... b = cls.__init__.__globals__[__builtins__] ... b[open] ... ...

  B0B0 2019-06-21 16:29 评论0 收藏0
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  Python logging调用Logger.info方法的处理过程

  ...nfo=None): A factory method which can be overridden in subclasses to create specialized LogRecords. rv = _logRecordFactory(name, level, fn, lno, msg, args,...

  lmxdawn 2019-07-31 10:02 评论0 收藏0
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  prototype.js 是如何实现JS的类以及类的相关属性和作用

  ...定 klass 的父类是哪一个 klass.superclass = parent; klass.subclasses = []; if (parent) { // 这里通过把父类的原型方法，都继承到当前类中 // 通过中间变量 subclass 来传递 prototype 来防止由于子类的修改而导致父类的属性或者...

  Snailclimb 2019-08-20 18:27 评论0 收藏0