Get catgories at Liferay's CMS template

Hello,
    Liferay's CMS structure/template is really good mechanism for customising frontend views. This post I'll show how you can retrieve article's categories into velocity template.

How to add admin portlets to Control panel for Liferay 6.1

Hello,
    Sometimes you need to use portlets from Administration at your portal public side. This post will describe how you can add such portlets to Control panel to be easelly added to portal pages.

How to determine is there a portlet on page

Hello,
    If you want to know how define is there a portlet on page, check this post.

Extending Liferay's 6.0 session by AJAX call

Hello,
        In case if you are using portlet which has only AJAX call to serverside you have problem with session expiring. See how it can be avoided in this post.