How automatic connection switching works.
Ruby on rails database application.
The general layout of a rails application.
Learning to build a modern web application is daunting.
What features are supported and what s still a work in progress.
This would be useful by the time you finally deploy the application hence.
Ruby on rails is intended to emphasize convention over configuration coc and the don t repeat yourself dry principle.
Rails uses active record to manage relationships between application data constructed as objects with models and the application database.
3 1 rails general configuration.
Config after initialize takes a block which will be run after rails has finished initializing the application.
The m from mvc as we learned here.
Each of our models is a ruby class while also inheriting from the activerecord base class.
The basic principles of mvc model view controller and restful design.
Multiple databases with active recordthis guide covers using multiple databases with your rails application after reading this guide you will know.
How to setup your application for multiple databases.
That includes the initialization of the framework.
Basically the answer is the model.
It includes everything you need to build fantastic applications and you can learn it with the support of our large friendly community.
After learning about ruby the first step we took was to understand how the web and the ruby on rails request response cycle work.
Ruby on rails makes it much easier and more fun.
Latest version rails 6 0 3 3 released september 10 2020.
The gem rails 12factor is needed for logging on heroku and it s only needed if your rails version is lower than 5 0.
Ruby on rails uses sqlite as its database by default but it also supports the use of mysql.
Ruby on rails is typically deployed with a database server such as mysql or postgresql and a web server such as apache running the phusion passenger module.
Now it s time to learn about databases and how they connect with ruby on rails.
Released september 10 2020.
Before learning web development with rails i really recommend learning about ruby first.
Rails will use that particular setting to configure active record.
Getting started with railsthis guide covers getting up and running with ruby on rails after reading this guide you will know.
These configuration methods are to be called on a rails railtie object such as a subclass of rails engine or rails application.
