Basics of Magento EAV Database Model

March 5th, 2010 Posted in Open Source, Web 2.0

Magento database heavily utilizes an Entity Attribute Value (EAV) data model. Magento Key data are modeled using the Entity Attribute Value method (EAV).

Utilizing an EAVmodeling pattern allows for unlimited attributes on any product, category, customer, or order.  As is often  the case, the cost of flexibility is complexity EAV depletes a programmer’s ability to write ad-hoc queries against the data.

magento
An understanding of EAV principles and how they have been modeled into Magento is highly  recommended before making changes to the Magento data or the Magento schema. But a detailed tutorial on the EAV database model  missing in  magento documentation.

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Using JQuery with Wordpress

February 10th, 2010 Posted in Blogging

Jquery is one of the topmost javascript libraries now using with wordpress. Jquery is having a huge number of plugins which will make our blog amazing  look and feel.
For using Jquery with Wordpress we don’t need to  include it in our theme folder.
We can use the following code for adding the jquery support to the Wordpress blog.

function jquery_init() {
     if (!is_admin()) {
	wp_enqueue_script('jquery');
     }
}
add_action('init', 'jquery_init');

For plugin development, add the code in your plugin file, otherwise, add this code to your theme’s functions.php file. The is_admin() check is to prevent script queuing on your admin pages.
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Indian railway online ticket reservation

January 15th, 2010 Posted in Our World

India RailwayIndian Railways one of the largest and busiest rail networks in the world has a fully functional online ticket booking facility. Indian Railways official Website offer online train reservation along with the information details related to PNR.

Indian Railway offers online railway reservation through IRCTC website (Indian Railway Catering and Tourism Corporation Limited) . IRCTC also offers rail reservation through mobiles using Speech recognition, GPRS and CDMA technologies available on various mobile Operators. IRCTC also introduced the simplest way to book your Railway ticket using just two SMS messages (Short Messaging Service).

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Fix for Can’t login to admin after magento installation

January 13th, 2010 Posted in Open Source

While installing Magento Fresh copy to our local machine using xampp, wamp, mamp  or any of the Lamp Platform we will usually cant login to the admin  panel. It will not show any error on the user account but will return to the same login page after we submitted the page.

The problem occurs because magneto could not store cookies. We run it as localhost and localhost is not true domain but to store cookies we need a domain. That’s why login stops without saying any word.

When I tried this  in different browsers  I found that we can login the admin page in safari without doing any change but can’t login using  firefox or Internet explorer.  We can solve the problem in many ways.

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Low Floor Volvo AC bus Schedule From Technopark

December 14th, 2009 Posted in Our World

The technoparktoday.com has carried an article, with a Low Floor Volvo AC bus schedule chart from Thiruvananthapuram City to Techno Park and vice-versa.

low_floor_bus_trivandrumThe site says that, Due to traffic jams, rains and Trivandrum’s trademark Secretariat marches, actual timing may differ a bit, but please continue supporting KSTRC by using this service regularly, even if a bit inconvenient in the beginning. And if you can, request the staff to introduce more services during our peak hours. exhorting all techies to make use of the bus service to the most. » Read more

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