I’ve just got into the Microsoft Virtual Academy, and I have to say it has a wealth of up to date, excellent training videos.
Razor syntax escape characters…
Html anti forgery token..
ASP.NET MVC 4 Content Map
Script including - always use the longhand version for the <script></script> tag, otherwise your script file will not be downloading to the client browser
JSBin.com - http://jsbin.com/ a fantastic javscript, jquery, html and css online playground like jsfiddle.net and plnkr.co. The nice thing about this one though is that you can download the entire finished article file as a single html page.
What's coming in ASP.NET - www.asp.net/vnext
Signed nightly builds of asp.net vnext - https://aspnetwebstack.codeplex.com/
Getting started with web api - http://www.asp.net/web-api/overview/getting-started-with-aspnet-web-api/tutorial-your-first-web-api
Web API 2 (video) - http://channel9.msdn.com/Events/Build/2013/3-504