How to build a complete, real-world application from scratch with Ruby on Rails step by step.
A lot of Ruby code is "magic". We'll explain the magic and see how it works using the powerful tools Ruby gives us.
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Expert advice on keeping Rails apps organized and fast.
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Setup your computer with Ruby on Rails and deploy to a production server.
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A few of the Open Source projects we do at GoRails.
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So far, our project has been a single line of operation. We can refactor this to use methods to reuse code in various ways.
A method or function is a way to define a group of code that can be used repeatedly. We'll learn how to define methods in our Ruby code and then use them multiple times.
Conditionals allow your code to take different paths. Learn how to use conditionals like if statements in your Ruby code
Learn how to use Hashes in your Ruby code
Learn how to use Arrays in your Ruby code
Learn how to use Integers and Floats in your Ruby code
Learn how Strings work in Ruby
Learn how to execute Ruby Scripts and interactively run Ruby code in IRB
In this lesson, we look at the tools we will need to have installed so that we can start on our journey to learning SQL.
In this lesson, we will learn how to create and drop databases with SQL commands.
In this lesson, we will learn how to create and drop tables in our database with SQL commands.
In this lesson, we will look at how to insert data into our database table.
In this lesson, we will look at how to select rows of data from our database tables.
In this lesson, we will look at how to perform calculations on the data we retrieve from columns in our database tables.
In this lesson, we will look at how to manipulate string data returned from our queries.
In this lesson, we will look at how to filter the results from our database queries.
In this lesson, we will look at how to use calculations with the where clause to filter the results from our database queries.
In this lesson, we will look at how to update the data and delete rows of data from our database tables.
In this lesson, we will look at how to setup auto-incrementing integers ids for our rows in our database tables.
In this lesson, we will begin to explore how we can relate rows from one table to rows in another table by using foreign keys.
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