Drupal notes

//Disable cache
//https://www.drupal.org/node/2598914
//https://www.drupal.org/project/devel

//Update Drupal Core
//https://www.drupal.org/node/2550801
drush pm-update drupal

//Get all taxonomy
//Sites/devdesktop/drupal-8.3.5/core/themes/bartik/bartik.theme
function bartik_preprocess_page(&$variables) {
  $name = '';
  $terms = \Drupal::entityTypeManager()->getStorage('taxonomy_term')->loadMultiple();
  foreach ($terms as $term) {
    $tid = $term->id();
    $vid = $term->getVocabularyId();
    $name .= $term->getName();
  }
  $variables['taxo'] = $name . 'test';
  $variables['tids'] = implode(" ", \Drupal::entityQuery('taxonomy_term')->execute());
}

//Sites/devdesktop/drupal-8.3.5/core/themes/bartik/templates/page.html.twig
{{ taxo }} | {{ tids }}