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You are working on a project with custom code located in an observer MyCompany\MyModule\Observer\Custom on the catalog_product_load_before event. How do you prevent your custom observer from being executed on a staging preview?
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A sample routes.xml looks like

What is the effect of the before attribute?
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Which of the following task can't be performed using command-line interface in Magento?
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Suppose you are working on a specific uicomponet form where front-end customers can update their name and phone number only when the admin user sets the editable_field_flag to 1 for his submitted data from the backend. Based on this flag, when loading the data in the form for front-end users, how would you check and customize to enable/disable the name and phone number fields?
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