Blender

Blender is a free 3d modeling program. It is great if you are on a budget.
It is a steep learning curve but you can really make some fantastic models with it.

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PHP Session Variables

Session variables are used store information that can be used across multiple pages on your website. A good practical example of using session variables is with a shopping cart. Data can be collected about a customer and remembered from one page to the next.

How to create a session variable

Today we are going to create a session variable on one page and retrieve the value of it on a second page.

First let's create the first page and call it page1.php. Insert the following code:

//start the session 
session_start(); 

$_SESSION["items_in_cart"] = "2"; 

The session_start() code registers the visitors's session with the server.
Make sure that you place the session_start() code at the beginning of your script.

How to retrieve a session variable

Now let's create another page and call it page2.php and insert the following code:

session_start(); 

echo "The total number of items in the cart is $_SESSION["items_in_cart"]"; 

The above code will output:
The total number of items in the cart is 2

How to destroy a session variable

To destroy a session variable simply use the unset command.



 session_start();

 //remove all the variables in the session 
 unset($_SESSION["items_in_cart"]);

 //destroy the session
 session_destroy();
 echo "The total number of items in the cart is $_SESSION["items_in_cart"]"; 

The above code will output:
value

How to add meta tags to blogger blog

Meta tags allows search engines the ability to index your website.

Here are some simple steps to add meta data to your blogger blog.


1. Go to the layout tab and go to 'Edit HTML'.

2. Paste the following code after

var right = 2;