Drupal core provides out of the box a "new" indicator to tell users when there is a new content for them, such as nodes or comments. How to implement this in a custom controller ?
How to rename uploaded files with programmatically generated random names on Drupal 8/9.
How to programmatically create a dynamic menu link (and pass it an argument).
How to implement custom views data on Drupal 8 and to join the user table to the query using hook_views_data(). Making a relationship between a user uid and the user table to finally get a fully loaded user object.
Tutorial about how to implement a cart item counter for ubercart in drupal 7.
Tutorial to explain how to migrate a drupal 6 website to drupal 7. Even if it has been written as a step by step tutorial, you must have development skills to get it done. You will find useful advises, experience sharing and code snippets to help you achieve your migration.
In this tutorial we will see how to implement a plus and minus button in ubercart cart. It provides a better UX on desktop and mobile.
In this tutorial we will see how to implement a custom form template in drupal 8. Implementing custom form template is a basic if you want to get fully customizable HTML code and make a lot of sens if you are working with toolkit such as bootstrap.