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）。
These default folders are no more displayed underneath This Computer to maintain the look at focused on your Laptop’s drives and network locations.
If you wish to see only your pinned folders, you'll be able to switch off new data files or Recurrent folders. Visit the Perspective tab, and then find Options.
The More choice is no more readily available. So as to add or get rid of information to the sort by menu, you will have to briefly switch to "'Specifics" look at, insert the main points you'd like like down below, after which you can swap again on casper77 the structure watch you wish.
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。
When File Explorer opens, you are going to land in Rapid entry. Your commonly utilised folders and not too long ago utilised documents are detailed there, so you will not casper77 should dig by way of a number of folders to seek out them. Pin your favorite folders casper77 to Brief use of retain them shut at hand.
If you have hidden the left navigation pane and would want to ensure it is visible as part of your File Explorer window, it is possible to show it yet again making use of these ways: Pick Start > File Explorer , or decide on the File Explorer icon within the taskbar.
注意这段代码创建了三个文件流：fin，表示明文形式的原始文件；fout，加密结果文件；crStream，加密流，用来把DES加密的结果转入输出文件fout。增加一个crStream流的好处是不必把结果保存到临时文件或缓冲区。
Won't perform ! Be aware, I had no period of time inside the look for string and don't want just one within the resultant listing of filenames !
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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two Navigate to and either pick or open the push or folder locale you need to research in. (see screenshot underneath)