Magento 2

Magento is an ecommerce platform built on open source technology which provides online merchants with a flexible shopping cart system, as well as control over the look, content and functionality of their online store.

Debugging and profiling Magento 2 in the right way using the Magento 2 Developer Toolbar
Learn how to install and use the Developer Toolbar for Magento 2.
How to setup the debugging environment for your development version of Magento 2
Learn how to prepare your magento 2 environment to debug properly.
How to reset test sales/orders and dashboard information in Magento 2.3.2
Learn how to remove all the test information from your local environment in Magento 2.
Magento 2 Elasticsearch Catalog Search indexer process unknown error: Types cannot be provided in put mapping requests, unless the include_type_name parameter is set to true
Learn why this exception is thrown during indexing of the catalog of products in Magento 2 using Elasticsearch.
How to solve Magento 2 composer installation error: Invalid credentials for 'https://repo.magento.com/packages.json'
If you are unable to install Magento 2 from composer due to this exception, check the solution here.