Remember that, Sample Data must be installed prior to the basic Magento Installation. But never mind if you forgot to install sample data before installing Magento.
Here, I will show you how you can install sample data after you have installed Magento.

Let the page path be: http://localhost/test/admin/index.php
Get the server name/site name of your website:
echo $_SERVER['SERVER_NAME'];

Suppose you want to show your google adsense in the top-left side of your post. If you simply put your adsense code in the single post page (single.php) of wordpress then the text of your post will appear below the adsense.
To solve this problem, I used stylesheet property called ‘margin’. The example below is from single.php file of my wordpress theme. The adsense code is kept in between the

Suppose, you have many sub pages (child pages) of a single parent page. You want to show the list of all the child pages in the parent page.
You can show the list of pages and sub pages in the sidebar of your wordpress theme with the addition of in-built sidebar widget called ‘Pages’. This will show all your pages and sub pages nested inside parent pages.

This article will provide you step by step guide to setup Google AdSense.

In this article, I will be illustrating about getting html source code of any website. I have done this in PHP.