摘要：在计算机世界以及Internet上，单词foo、bar和foobar通常用作通用术语，表示讨论或讲解中遇到了没有名称的东西时，可以称它们为foo或bar或foobar。这些奇怪的单词来自哪里呢？单词“foobar”派生于只取首字母的缩写词FUBAR，该词在第二次世界大战中广为流行。FUBAR的含义是“fouled up beyond all recognition(搞得一团糟而无法识别)”。单词“foo”看上去有一个更加确切的历史。毫无疑问，foo的流行多数起源于foobar。然而，foo单词的使用看上去可能更早。例如：在一部1938年的卡通片中，Daffy Duck举着一个上面写着“Sile 阅读全文

摘要：n this example, we'll be setting up a custom authorization scheme based on a key which will be validated using a very simple algorithm. This isn't secure for any number of reasons, but with some minor modifications (e.g. expiring a key once it is used) it would be sufficient for things like 阅读全文

摘要：using System;using System.Collections.Generic;using System.Linq.Expressions;using System.Reflection;namespace ConsoleApplication1{ internal class Program { private static void Main() { var student = new Student { Age = 15 }; var p = new Parent { Role = "", Sex = "Male" ... 阅读全文