How to undo cancel of an order which was canceled by mistake?

I mistakenly canceled one order and spent a day to go through magento & different forums and blogs and searching for a solution and this is how i fixed myself after few tries. I am still not sure how to extend the controller so i modified the core file and made a copy so i can paste back if overwritten when upgrade or i can copy when i find the solution how to extend or override a magento controllers.

Create a file @ app\code\local\Codefight\Adminhtml\Block\Sales\Order\Grid.php

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Using jQuery with Magento Including Protype, Scriptaculous etc...

How to use jQuery with Magento?

Download jQuery from jQuery site

Add this line to the bottom of jQuery.js

CODE:

1-jQuery.noConflict();

Copy the file to the js/jquery folder|directory

In page.xml, add it to the list of js files as:

CODE:

1-<action method=“addJs“><script>jquery/jquery-1.2.6.noConflict.min.js</script></action>

or,

CODE:

1-<action method=“addItem“><type>js</type><name>jquery.js</name><params/></action>

How to use jQuery with magento now?

The below procedure is one way.

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how to use var_dump and print_r in magento

This one is crazy with magento because sometimes it works and sometimes it just shows blank page. Once it gave me a real hard time. Finally found solution somewhere. I just had to do was add

CODE:

1-->debug()

CODE:

1-$obj->debug(); //e.g. if i have $_cart = Mage::getModel('checkout/cart'); //to use print_r or var_dump, i need to do print_r($_cart->debug());

These are methods available for a product:

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