Articles starting from async programming tutorials to best practices & advanced cases. There're a lot of resources for async await over the web : here are the most good ones.
ALL my Firefox bookmarks related to .Net software development. You can try to use your browser search to find stuff by their names. A lot of links are here.
How to delete all data but don't touch DB structure & definition. T-SQL script for MS SQL Server.
A few usefull IQueryable extension methods that makes your code more readable & manageable.