to check all available versions of Magneto you can use this command

Magento Open Source:

composer show magento/product-community-edition --all | grep -m 1 versions

Magento Commerce:

composer show magento/product-enterprise-edition --all | grep -m 1 versions

sometimes when you do something on Magento you can this message "Message is added to queue, wait to xx"

Example: "Message is added to queue, wait to get your coupons soon"

in order to start this manually, you can use the below command to get the list of queue

php bin/magento queue:consumers:list

I will put here the way to add an attribute group then assign an attribute into all attribute set with this group, please note I am using the dirty way to add it so you will need to follow the Dependency injection in your code to have the same result 

After upgrading Magento to version 2.4.4 and PHP 8.1, you might have this error 

Type Error occurred when creating object: Magento\Framework\Communication\Config\Data, Magento\Framework\Reflection\TypeProcessor::resolveFullyQualifiedClassName(): Argument #2 ($typeName) must be of type string, null given, called in /{magento_root}/vendor/magento/framework/Reflection/TypeProcessor.php on line 550
 

Referene Class is : {magento root}\vendor\magento\module-catalog-widget\Block\Product\ProductsList.php

Magento 2 – How to identify current page in phtml file?

$currentFullAction = $block->getRequest()->getFullActionName();

$catpages= array('catalog_category_view','catalog_product_view');

if(in_array($currentFullAction, $catpages)){
    //Catalog page
}

Install Magento2.4.x using command line 

You must use the command line to install Magento.

This example assumes that the Magento install directory is named magento2ee, the db-host is on the same machine (localhost), and that the db-name, db-user, and db-password are all magento:

Edit Magento Local Cache Storage Offline (Magento2)

Sometimes we might need to change something in the Local storage of Magento , the local storage is saved in this key ("mage-cache-storage")

I will put now an example to edit the selected shipping address in the checkout shipping section 

Magento 2.3 still use "OR" logic for mysql and elasticsearch. Plus "should" conditions (query to ES) are wrong. That's why relevance almost same. But ES significantly improve performance of search and catalog (layered navigation).

you have to set AND operator in your elastic search json queries, Override the module-elasticsearch/SearchAdapter/Query/Builder/Match.php. file in your custom module and then The code you have to edit in the build function in line no 75

Database backup missing table information "inventory_stock_1" 

The CREATE ALGORITHM statement requires elevated MySQL access.
It is likely that the server you are working on does not have this and will halt the import process.

This line needs to come out of the SQL being migrated.

Instead run the following to create the view