I want to write code in my wordpress blog. which is hosted in wordpress.com. I need a Syntax Highlighter to show code. Can I configure/add Plugin in wordpress.com config panel ? or I do need a self hosted blog ?
you can use the
[sourcecode] shortcode on WordPress.com which is built in for you, no need to install or configure anything.
For example to get this results :
just wrap your code in these tags:
[sourcecode language="css"] your code here [/sourcecode]
you can see a list of supported languages and a few other parameters you can use with this shortcode at http://en.support.wordpress.com/code/posting-source-code/