Book Image

From PHP to Ruby on Rails

By : Bernard Pineda
4 (1)
Book Image

From PHP to Ruby on Rails

4 (1)
By: Bernard Pineda

Overview of this book

Are you a PHP developer looking to take your first steps into the world of Ruby development? From PHP to Ruby on Rails will help you leverage your existing knowledge to gain expertise in Ruby on Rails. With a focus on bridging the gap between PHP and Ruby, this guide will help you develop the Ruby mindset, set up your local environment, grasp the syntax, master scripting, explore popular Ruby frameworks, and find out about libraries and gems. This book offers a unique take on Ruby from the perspective of a seasoned PHP developer who initially refused to learn other technologies, but never looked back after taking the leap. As such, it teaches with a language-agnostic approach that will help you feel at home in any programming language without learning everything from scratch. This approach will help you avoid common mistakes such as writing Ruby as if it were PHP and increase your understanding of the programming ecosystem as a whole. By the end of this book, you'll have gained a solid understanding of Ruby, its ecosystem, and how it compares to PHP, enabling you to build robust and scalable applications using Ruby on Rails.
Table of Contents (15 chapters)
1
Part 1:From PHP to Ruby Basics
8
Part 2:Ruby and the Web

Active Record operations

Active Record is a design pattern created to simplify communication with the DB. Historically, SQL is a standard for communicating with most databases. However, each database has adopted its own unique set of SQL commands and standards. While they are all very similar, each one has its own peculiarities, in part because not all databases have the same set of features. A great article detailing some of the concepts regarding the Active Record design pattern is this one:

https://blog.savetchuk.com/overview-of-the-active-record-pattern

As an example, PostgreSQL offers a more sophisticated set of data types than MySQL. Another example is SQLite in web applications, which is very easy to set up, but does not work well in large applications. In Rails, SQLite is mostly used for quick setups and development. Where does Active Record come into the picture? Active Record uses a technique called Object Relational Mapper (ORM). This technique involves “mapping...