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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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.
In this lesson, we will look at using the foreign keys to join tables together to return results from both tables.
In this lesson, we will look at how to group rows by a given column and then use aggregate functions to perform calculations on the results.
In this lesson, we will look at how to use joins together with group by clauses to group by columns from other tables.
In this lesson, we will look at how to filter the groups resulting from writing group by clauses with the HAVING clause.
Rails 7.1 introduces many new features for authentication. In this lesson, we'll show you how to implement authentication from scratch using Rails 7.1's new features.
Normalizing data has always been a pain in Rails, but not anymore! Instead of callbacks or overriding setters, Rails 7.1 introduces "normalizes" to make normalizing data easy.
How to upgrade to Rails 7.1 This will also work with any other version and offers a few tips on how to test things out and revert back if necessary.
In this episode, we will look into the new health check endpoint that will come by default in a Rails 7.1 application.
Rails.env looks and acts like a Ruby String, but you can call methods with question marks on it. In this lesson, we'll learn how it works using ActiveSupport StringInquirer.
At Rails World 2023, Chris Oliver gave a talk about Powerful Rails features you might not know to cover small, but incredibly useful techniques you can use to write better Rails applications.
Discover how the new template locals work in Rails 7.1
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