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Cron is an OS utility for scheduling commands to run on a recurring schedule. Crontab In unix based systems, running...

Add comments to content types. Set up user registration and permissions. Set up dashboard for viewing replies. Integrate...

A comment section is a great way for your users to interact with content. Comments can be tricky to implement, as there...

Some useful techniques for finding and fixing problems. Stacktrace When you get an error, it should tell you which line...

As you program, you will have questions about the classes you're working with. Learning how to browse the code and...

Modules can define package dependencies in their own composer.json. { "name": "drupal/views_sql_query_formatter", "type"...

XDebug is a code debugger that lets you stop your code while it's running, and step through line by line. You can see...

A service is a class that has functions to use in another class or module. This provides an interface for developers to...