Drupal 8 programmatically create watchdog logger
\Drupal::logger('my_module')->notice($message);
to up the memory limit for drush 9
if (PHP_SAPI === 'cli') {
ini_set('memory_limit', '512M');
}
Return HTML from a Drupal 8 form
Returning HTML from a Drupal 8 form programmatically:
invoke a form to display programmatically in Drupal 8
invoke a form within a block or custom module page
$form = \Drupal::formBuilder()->getForm('Drupal\example\Form\ExampleForm');
Getting text / a string from SimpleXMLElement Object
if (file_exists(drupal_get_path('module', 'complimentmigration') . '/MyManual08-088-18.xml')) {
$xml = simplexml_load_file(drupal_get_path('module', 'complimentmigration') . '/MyManual08-088-18.xml');
$xml2 = (string) $xml->section->version->title;
drupal_set_message('' . print_r($xml2, TRUE) . '
');
}
reference: https://stackoverflow.com/questions/2867575/get-value-from-simplexmlele…
Download modules using composer
composer require drupal/search_api_solr or composer require --dev drupal/taxonomy_delete drush en -y search_api_solr drush cache-rebuild
Lua, what is dt, dy, and dx
number dx
The amount moved along the x-axis since the last time love.mousemoved was called.
number dy
The amount moved along the y-axis since the last time love.mousemoved was called.
dt is the most common shorthand for delta-time, which is usually passed through love.update to represent the amount of time which has passed since it was last called. It is in seconds, but because of the speed of modern processors is usually smaller than 1 values like 0.01 are common.
so the ball will move accordingly every dt
Writing a custom Drupal 8 migration plugin for field processing
This file goes within the custom/d7custommigration/src/Plugin/migrate/process directory