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讲座内容：Action Filter是ASP.NET MVC框架特有的功能，能够以AOP的方式轻松实现各种功能。本次课程将讲述如何使用内置的Action Filter，并且进行简单的扩展。课程讲师：赵劼 MSDN特邀讲师赵劼（网名“老赵”、英文名“Jeffrey Zhao”，技术博客为http://jeffreyzhao.cnblogs.com），微软最有价值专家（ASP.NET MVP），MSD... 阅读全文
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讲座内容：AJAX技术已经成为Web开发技术的事实标准，本次课程将讲述如何在ASP.NET MVC应用程序中使用AJAX技术。课程讲师：赵劼 MSDN特邀讲师赵劼（网名“老赵”、英文名“Jeffrey Zhao”，技术博客为http://jeffreyzhao.cnblogs.com），微软最有价值专家（ASP.NET MVP），MSDN特邀讲师。毕业于复旦大学软件学院，曾任职于微软中国研发中心，... 阅读全文
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OK, I wasn’t quite done. One more variance post! Smart people: suppose we made IEnumerable covariant in T. What should this program fragment do? class C : IEnumerable, IEnumerable { IEnumera... 阅读全文
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UPDATE: Andrew Kennedy, author of the paper I reference below, was good enough to point out some corrections and omissions, which I have addressed. Thanks Andrew! As I've discussed at length in t... 阅读全文
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Today in the last entry in my ongoing saga of covariance and contravariance I’ll discuss what breaking changes adding this feature might cause. Simply adding variance awareness to the conversion ... 阅读全文