Handle database schemas on Drupal 8
Get Database Schema
$schema = \Drupal\Core\Database\Database::getConnection()->schema();
Welcome To Drupal 8
Drupal is a CMS (Content Management System) open-source written in PHP. Drupl 8 is the latest version of Drupal successor of Drupal 7 popular for its security, flexibility and scalability, used on the complex high traffic web applications as well as small showcase sites. Drupal 8 is comes with over 200 new features and improvements including native full responsive support, multilingual support, REST Full web service. Drupal 8 was created in PHP using Symfony 2 Framework and TWIG templating system.
This web site is a set of tutorials help to new Drupal 8 developers and persons who want to be a Drupal 8 developer or a webmaster. The level of the tutorials are start from very basic (beginners) and can be very complex (Experts). I hope the site is useful for you and you are welcome to share your knowledge, ideas and experience. Thank you.
Basic CSS Styling tips
Sizes : em and px
By default on all browsers 1em is equal to 16px. In px sizes are fix and can't zoom in or out but with em, sizes are relative to the parent element. If you need to use zoom feature, use en intend of px. You can also use a mixin SCSS or LESS like
Custom Content Entity Field types of drupal 8
Entity Field types, Data types
(BaseFieldDefinition::create types)
Set Drupal System variables manually
To set Drupal System variables you can use the $settings (on Drupal 8) and $conf (On Drupal 7) array of setting.php file.
Examples.
On Drupal 8
$settings['file_public_path'] = '/path/to/dir/public';