Magento has a default option to show the overall rating’s summary of the product, which is shown in the product view page. This summary is based on all the review posted and approved for the particular product. In the summary the stars are shown accordingly, by taking the sum of all reviews and calculating the average rating. But I had a case where I needed to show those star ratings, only based on the last approved user ratings. What I did was just a small tweak in the Magento’s default working!
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Adding custom option in Magento is pretty easy! You just need to know the format of an array, which is taken by catalog/product_option Model to set the custom option. I’ve deviced a simple function (setCustomOption) that just does that. The function, according to the input type and values assigned creates an array, which is then used by the catalog/product_option Model to save the option to the product.
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Custom options are the options that can be added to any product, which gives an option for the user of the site to select what type of product they actually want. Here is a scenario where custom option can be helpful. If you have a product say ball and your stores sells plastic,rubber,glass balls. So you need to give the user to select what type of ball they actually want. Yes, you can do this by using configurable product as well, but why create an attribute for one product only! In this case custom option might be very helpful.
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One of the things that a Magento developer deal, time and again is finding out all the options of color or manufacturer or size attribute. You may also need to find out what are the options available for color attribute before you add new option programmatically. Or you may need to add assign the option’s ID to a product. Here’s what you need to do, just load the attribute by attribute code, then load all its options. Easy, isn’t it! Code is below.
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In Magento, by default there is a reference place where breadcrumbs get showed, that is just above the content reference! But, sometimes you need to show the breadcrumbs twice! above and below the content. Or sometimes you just need to show the breadcrumbs inside the content, due to some designing issue! I’ve gone through these situation a lot, and thought why not post a solution in my blog? 
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I’ve been working in Magento, for 1 year now! During this whole year I have learnt a lot, and have been sharing my learnings through this Blog. One of the thing that strikes me a lot is the debugging technique. My collegue ask me a lot regarding Debugging Modules Functionalities, Debugging Module’s Layout and its template not showing in frontend and backend, Some products and category attribute not showing in the frontend, Installation of Magento Custom Module and its setup not working and many more. And guess what in most of the cases I’ve developed a procedure or debugging steps, which I follow time and again, to get to the core of the situation. Actually now, I thought of writting down these debugging technique’s procedure , so that I can tell, please do the following, before you call for my help!
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Magento has given us very good features to manage Models and Collection for interacting with Database tables. Nowonder, they are very helpful in most of the cases. Yet, we may need to write custom query in some cases (if you need it quick or if you are new to Models & Collection in Magento). But by Magento’s standard this is not recommended. If you are a starter you may find this quering to database very helpful. Here is how you can do this.
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