我想多所社区让我知道做晚辈，精通.NET开发人员应该知道关于下列事项，还有些code例子或脑筋急转弯像那些的此处将有很大的帮助。

I would like the SO community let me know what does juniors and proficient .NET Developers should know regarding the following subjects, also some code examples or brainteasers like the ones here will help a lot.

系统类型

System Types

收集和泛型

配置和安装

诊断和调试

文件I / O

全球化

推荐答案

另一种仿制药。

什么是正确的语法（VB或C＃），要求传递的泛型类型是实现一个特定的接口类型？

What is the proper syntax (VB or C#) to require that the passed generic type be a type that implements a specific interface?

C＃示例与IHydratable的接口要求

C# Example with an interface requirement of IHydratable

public static T HydrateObject<T>(IDataReader reader) where T : IHydratable