OpenCart open source E-commerce solution

OpenCart is an open source PHP-based online shopping cart system. A robust e-commerce solution for Internet merchants with the ability to create their own online business and participate in e-commerce at a minimal cost.
OpenCart is designed feature rich, easy to use, search engine friendly and with a visually appealing interface.
Download link here

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Really Easy Field validation with Prototype

Here’s a form validation script that is very easy to use.
Really Easy Field validation with Prototype
Instructions
The basic method is to attach to the form’s onsubmit event, read out all the form elements’ classes and perform validation if required. If a field fails validation, reveal field validation advice and prevent the form from submitting.
Include the javascript [...]

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Select random value from MySQL database table.

The simplest way of selecting random rows from the MySQL database is to use “ORDER BY RAND()” clause in the query.
Solution 1 [SQL QUERY]
SELECT * FROM `table` ORDER BY RAND() LIMIT 0,4;
This query select 4 random value every refresh?
The problem with this method is that it is very slow. The reason for it being so [...]

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