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Q. How and when does Magento load the base configuration, the module configuration, and the database configuration? – Magento loads... Read More
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Q. How and where does Magento differentiate between install, upgrade, and downgrade scripts? In Mage_Core_Model_App::_initModules(), calls Mage_Core_Model_Resource_Setup::applyAllUpdates(), and it then... Read More
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Q. What is the difference between payment method and payment classes (such as order_payment, quote_payment, etc.)? Payment model is the... Read More
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Q. Which classes and files should be checked if a link to a custom javascript file isn’t being rendered on... Read More
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Q. Which product types implement a parent-child relationship between product entities? configurable, bundle and grouped... Read More
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Q. What is the structure of event observers, and how are properties accessed therein? for checkout/cart after adding product, Mage::dispatchEvent(’checkout_cart_product_add_after’,... Read More
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Q. What is the difference regarding module loading between Mage::run() and Mage::app()? Mage::app() :: Get initialized application object. It provides... Read More
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Q. Which product types implement a parent-child relationship between product entities? – configurable product type – configurable(parent) – simple(child) may... Read More