In October 2019, I was able to present a talk at the annual sfday, the Italian conference about Symfony. The main focus of my presentation was how we handle Doctrine in our setup which includes both master-slave and sharding, something we felt was quite uncommon and worthy of presenting. A…
During these days, schools are closed due to the emergency for COVID-19, and staff quickly reorganized to work from home. Teachers began to carry out distance learning, so the pupils and parents also used our application Nuvola more assiduously, and in a few days it became the main hub for…
The problem Doctrine has a well defined internal order for the persist operations it executes during a flush. It’s called “commit order” and it’s the following: all entity inserts (topological order) all entity updates (topological order) all collection deletions all collection updates all entity deletions (reverse toplogical order) This can…
Today I found a very useful Composer schema package link option named conflict, which is useful when third-party code you rely on is too permissive for your needs. At the time of writing, the conflict man page states Lists packages that conflict with this version of this package. They will…
In Madisoft utilizziamo da sempre le buone pratiche per la gestione delle nostre infrastrutture. Abbiamo sempre pensato che il cloud fosse la scelta giusta per i nostri servizi, ma soprattutto eravamo certi che gestire la nostra infrastruttura come codice, ci avrebbe rallentato leggermente nelle fasi iniziali dei nostri progetti, ma…
The Cascade is a fundamental element of CSS: it means that in order to fully understand how an element will be rendered, a developer should be aware of how weight, specificity, and order will affect the process. In presence of multiple rules competing for the styling of an element, the…
Simple Storage Service – S3 is one of the first services created by Amazon AWS, and it is also one of the most popular. Its simplicity has determined its great success. In addition to the most commonly used functions or methods of use, there are some functions or features that…
This article describes, from an infrastructural point of view, how to use together the doctrine sharding and Amazon Aurora Autoscaling, on our databases. Nuvola is our main project, which allows Italian schools to manage their activities in a computerized way. Nuvola is a multi-tenant application. In the past we have…