Posted on

ES6 notes

  • ES2015 (= formally ES6, = ECMAScript® 2015)
  • ECMAScript = standard
  • JavaScript = implementation of standard
  • transpilling process: ES6 to Babel to ES5

Sources

  • https://www.w3schools.com/js/js_versions.asp
Posted on

3 hours with foreign keys

In case you will see:

Doctrine\DBAL\Exception\ForeignKeyConstraintViolationException

it is possible that database generated foreign key with first small letter. I lost 3 hours by looking after a mistake.