I want to know about the plugins that help me to write the coded blocks. I have tried out two or three but I am not able to know how to get along and put it to use. Please suggest me some good plugins and also how to use it if I need to represent some codes. Yeah I have many different languages that I code in... so the highlighting and other stuffs does matter. Please help.
From personal experience, I've found SyntaxHighlighter Evolved to be the best:
You put your code inside a shortcode and specify the language: