如何识别有关asp.net-mvc的文章或演示已过时？

I've been frustrated with a lot of my time I've spent researching asp.net-mvc. It seems that a lot of the articles have information that no longer applies to the current version of asp.net-mvc and sometimes it takes awhile to recognize that what I'm reading is no longer relevant. Does anyone know of any resources that can help me to recognize that a specific article that I may be reading is no longer useful?I've been frustrated with a lot of my time I've