Administration

Mitigating Facebook’s “x-fb-http-engine: Liger” site hammering using Apache or nginx

Facebook Liger hammering preview

Facebook is using a sort of web page prerendering mechanism in it’s in-app browser for mobile users [see disclosure here]. It is used by Facebook’s in-app browser to speed up page rendering for web link content shared on Facebook. But it can cause serious headaches, and this post should explain how to mitigate it with Apache or nginx.

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Magento Grid Serializer for Ajax Grids

Ajax Admin Grids

In Magento selectable grids, each time after a grid operation is performed (whether it’s filtering the results, pagination or something else), the selected values get lost. In other words, Magento by default keeps only values selected after the grid is initialized in the beginning and loses them each time the grid gets reloaded by Ajax call. Fortunately, Magento has a built-in library called Grid Serializer to solve this issue.

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Filter order grid by multiple ID’s

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We all know how great Magento grids can be – there is no alternative when it comes to displaying data in a efficient manner.

Our clients sometimes (almost always) have specific requirements when it comes to Magento. One of them had a request to be able to filter the order grid by multiple order ID’s.

This can be useful if you have a number of orders you’d like to track – filtering them one by one can be tedious and time-consuming task.

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Magento Adminhtml Javascript Popup Dialog

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Recently,I needed to add functionality to open javascript Popup dialog inside Magento Adminhtml area to perform some operations and then to handle onClose action to fill the form that called popup.
After some researching on most easier way to do that, I finally found the solution that suited my needs.

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How to configure Magento REST and oAuth settings

magento_rest_admin_config © winchild@sxc.hu

(This article is for Magento 1.7.0 and greater . Older Magento versions does not have implemented these features.)

In my last article, I wrote about the REST and oAuth to explain the terms that are used in Magento admin area for Magento REST configuration.
This article will show the steps necessary in order to be able to consume REST services provided by Magento:

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How to put Magento in maintenance mode with IP filters (the easy way)?

How to put Magento in maintenance mode with IP filters © eqphotolog@sxc.hu

This is probably the most useful quick tip I can think of that I use all the time. Putting Magento in maintenance mode is an essential part of every site launch and it is used in lots of other situations. Although there are many different ways to do this I found that using a few simple lines of code in the root htaccess file is, by far, the easiest solution I could think of. On top of that, this solution enables you to put all the files needed for the maintenance page (html, images, etc.) into one folder. One more advantage of this method is that if you forget to add your IP address to the filter (whitelist) you can do that at any time through FTP so you will not be locked out of your own site 😉

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