Kanrum² – a scalable agile software development concept based on Kanban with Scrum elements Have you ever experienced this situation? You have meticulously planned a sprint and just started it, when suddenly the sales team or key account manager demands that a certain feature be implemented in this sprint, otherwise the customer will not sign … Read more

Howto: Symfony doctrine subquery exists

In SQL Subqueries are pretty common: you need only those records where a certain condition is dependend on the existance of non-existance of records in an associated table.I.e. you want to delete all shoppingbaskets in the database, which are older than, let’s say 7 days but only if they do not have any items in … Read more