Module development and code questions

Hello,

I am learning module development - rendering a table

I expected to see two rows of data but it displays only 1.

Hello, 

I'm the owner of a Drupal7 site and my long time developer/collaborator has now moved on to different business ventures. 

The site he helped me develop uses the Group Module as the basis of a web application we created. 

I've recently updated the D7 core to the latest secure 7.94 version and while updating modules, the only one remaining is the Group module. 
In the module 'Available Updates Report' I see an error message warning that Group Module 7.x-1.0-beta6 is "No Longer Supported"...
 

Hello,

I am learning module development.

A while back I created a search module that searched the Drupal database for certain terms. The results would let the user know the content type it was found, and the page/node it was associated with, among other things.

This search DID NOT make use of a lot of Drupal functions from the search API. I wanted the search to focus on the raw data, as most searches were looking for paths of urls or videos. so it needed to search inside HTML tags.

To do this I had to really go through the database and find the relationships.

Hello,

I am learning module development.

Hello,

I want to retrieve entities from my MongoDB. I want to load them in Drupal 9. I installed there for a module called External Entities. I want to create a new driver for MongoDB, that retrieve the data.

1. I created a file named external_entities_mongo.info.yml with content: