pylebecq

What's the difference between cascade="remove" and orphanRemoval=true in Doctrine 2

TLDR: The cascade={"remove"} is like a "software" onDelete="CASCADE", and will remove objects from the database only when an explicit call to $em->remove() occurs. Thus, it could result in more than one object being deleted. orphanRemoval can remove objects from the database even if there was no explicit call to ->remove().

I answered this question a few times to different people so I will try to sum things up in this Gist.

Let's take two entities A and B as an example. I will use a OneToOne relationship in this example but it works exactly the same with OneToMany relationships.

class A

arth2o

/**
 * isValidDate(str)
 * @param string str value yyyy-mm-dd
 * @return boolean true or false
 * IF date is valid return true
 */
function isValidDate(str){
	// STRING FORMAT yyyy-mm-dd
	if(str=="" || str==null){return false;}								
	

mjburgess

Breaking into Web Development

I work as an analyst contractor, these days my roles are often a mixture of development and management. I have been asked by a countless number of people what they need to do to get the jobs I’m offered – and it’s simpler than most expect. The market for talented developers in the United Kingdom (and in many talent-lite communities around the world) is such that anyone who merely knows what they are doing has a very good chance of getting a job. Even a job contracting (which ordinarily has senior-level requirements).

To become a web developer with a good salary and employment expectations you need skills. Below I’ll provide a plan to get you towards the top of the largest market: PHP Web Development. Advanced knowledge of everything on this list would immediately make you one of the best, so just strive to have an exposure if not a comprehensive understanding (though the *starred points are essential). To learn these technologies you should use several in combination on on

asenchi

# Finding the total size of your biggest tables

SELECT nspname || '.' || relname AS "relation",
    pg_size_pretty(pg_relation_size(C.oid)) AS "size"
  FROM pg_class C
  LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
  WHERE nspname NOT IN ('pg_catalog', 'information_schema')
  ORDER BY pg_relation_size(C.oid) DESC
  LIMIT 20;