If you start exploring C# or decide to expand your knowledge, you should learn these useful language features, which will help you to simplify the code, avoid errors and save a lot of time.
cheat sheet
Collection of cheat sheets for programmers
Even the most experienced programmers aren’t able to remember all CSS properties or a correct way to write all commands. That’s why it’s always useful to have a cheat sheet at hand in the bookmarks of a browser.
How Not To Code 