Validation is a very common task in web applications. Indeed, data needs to be validated before submitting a form and before it is written into a database or passed to a web service.

At theTribe we use docker to easily create development environments. It’s nice: you clone the project, launch docker-compose and you can start coding.

Despite digital development, spreadsheets are still very popular to store and display data as text and numerals or in graphical form. Modern spreadsheets also provide built-in functions for common financial and statistical operations. Thus managing spreadsheets in a...