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From PHP to Ruby on Rails

From PHP to Ruby on Rails

By : Pineda
5 (6)
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From PHP to Ruby on Rails

From PHP to Ruby on Rails

5 (6)
By: 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)
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1
Part 1:From PHP to Ruby Basics
8
Part 2:Ruby and the Web

Command-line arguments

So far, we’ve added both variable and fixed (either numeric or string) values to our code. To make our scripts more generic and more usable for other folks, we can add parameters that won’t be hardcoded within the code. If you’re not familiar with the term, hardcoded is the practice of writing fixed variable values within code. In our previous examples, we added the filename that we were going to open as a fixed value – that is, to change it, we would have to change the source code. To avoid that, we could pass the script a value (a filename, in this case) that whoever runs the script can change. Passing values to a script is what we commonly refer to as command-line arguments. We can have multiple arguments, a single argument, or as we’ve done so far, no arguments. Let’s start with a simple example, then work our way up to more complex examples that will help us make our scripts more generic.

Let’s start by...

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