Een korte (engelse) uitleg over vier principes van Lean: Pull, One-Piece-Flow, Takt and Zero-defects:
Lean uitgelegd in 90 seconden
Foutmelding
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Drupal\Core\Controller\ArgumentResolver\RawParameterValueResolver->supports() (line 18 of core/lib/Drupal/Core/Controller/ArgumentResolver/RawParameterValueResolver.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Drupal\Core\Controller\ArgumentResolver\RawParameterValueResolver->supports() (line 18 of core/lib/Drupal/Core/Controller/ArgumentResolver/RawParameterValueResolver.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Deprecated function: array_key_exists(): Using array_key_exists() on objects is deprecated. Use isset() or property_exists() instead in Twig\Template->getAttribute() (line 576 of vendor/twig/twig/src/Template.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
- Notice: Trying to access array offset on value of type int in Drupal\Core\Render\Element::children() (line 81 of core/lib/Drupal/Core/Render/Element.php).
