命名参数和可选参数是两个比较简单的特性，对于熟悉其他编程语言的开发者来说可选参数并不陌生，为参数提供默认值时就是可选参数：
注意：加密文件之后如果忘记了用来加密该文件的密码，再想恢复出原始文件就不可能了。当然，这与密码本身的复杂程度有关，要想保证文件的安全，最好采用较复杂的密码，例如混合运用字母、数字和特殊字符（如“$”符号等）。
B) Click/tap on Variety, and click/tap on an offered form of file to select (dot) which which a person You simply want included in search results.
Like most of the finer items in life, File Explorer has gotten far better with age. To check it out in Windows 10, choose its icon within the taskbar or the Start menu, or press the Home windows brand crucial + E with your keyboard.
To unzip one file or folder, open up the zipped folder, then drag the file or folder from the zipped folder to a whole new site.
类型系统提供重要的广度，在某种程度上同样迎合了安全性、描述性、动态性和本机互操作性。 首先，类型系统启用面向对象的编程模型。 它包括类型、（单基类）继承、接口（包括默认方法实现）和虚拟方法调度，为对象方向允许的所有类型分层提供合理的行为。 泛型类型 无处不在，使你能够将类专用于一个或多个类型。
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When you've got concealed the left navigation pane and want to allow it to be obvious with your File Explorer window, you'll be able to show it yet again making use of these ways: Decide on Start > File Explorer , or pick out the File Explorer icon within the taskbar.
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更详细的对比示例留待读者在实践中对此进行讨论，并行计算为托管代码在多核环境下的性能优化提供了统一的解决方案，而未来我们会做的更好。
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而这种原始转换（由子类转换为父类）方向相同的可变性，被称为协变（covariant）；其反向操作则被称为逆变（contravariant）。当同样的情形应用于泛型时，例如：
Remember to Will not include things like any own information like legal names or email addresses. Maximum a hundred people, markdown supported.