How to display html code in the post

How to display html code in the post it was very easy. Why do I say this? Because it is easy. You no longer need to display the code is "&lt;" with this type "<" or is "&gt;" by typing this ">" and so on.

The way that you just visit the website http://centricle.com/tools/html-entities/. Through the website you can encode a HTML. Easy is not it?