Introduction to Atom
The convenience of PWA is to act like a mobile application, to be installed on a phone, to manage off-line mode, and especially to send push notifications. Notifications are the essential element of user involvement, they allow to send a reminder and to communicate with our users
Hello everyone! Today I would like to speak about a subject too little discussed in php: the exceptions. An exception is an alert issued when the code is executed, to indicate that something has not happened as expected. It can be a bad connection identifier to the database, or an operation on a file that is not allowed, or a division by zero for example.
It is well established : unit tests are mandatory when developing an application. They allow to highlight possible regressions when code is modified, so the developer gets a certain confidence when shipping his code to production : If tests do pass, everything works correctly.
Maintain an application using MongoDB can be painful, especially when you either have a large amount of data, or a lot of writing operations. This is even more true if, as a developer, you don't have access to production servers, oftenly allowed to few.
Since Symfony 3.2, a new useful component was born: the Workflow component. It is indeed really convenient and can simplify greatly your developments when you have to manage status workflows in your application, that occurs a lot.
Through my different professional experiences, I had to set a lot of business rules in rich web apps. One day, I stumbled upon a different way to deal with those: using the specification pattern. This method has proven to be structuring and deserves some attention if you do not know what it is.
Some time ago, well almost one year ago (time just flies!), I wrote about PHP 7.0. Ten months later, things are moving again: PHP 7.1 is in RC1 stage.
The following article is aimed at developers who have already used the ParamConverter, and who understand its basic principles.
In order to ensure that your application is running well, it’s important to write functional tests.