What is the use of module_invoke and module_invoke_all?
How can I customize my 404 - page not found page?
What is entity api ? Have you installed and worked on this module ?
What is content type in drupal?
How will you install new theme in drupal?
What is the difference between drupal 7 and drupal 8?
Explain about webform module?
How to debug code in drupal?
What is drupal programming language?
How do I update my composer?
What is difference between diff and patch ?
What are the files required for creating custom module ?
How can I add custom php codes in my drupal pages or blocks?
Define taxonomy in drupal ?
What is Drupal main menu?