Search Results for "data-structure-ruby"

Lessons

HTML Learning Path - Form Parameter Naming Conventions In Rails

Nov 02, 2023

In this lesson, we will step briefly into the world of forms in Rails to see the naming conventions Rails uses to help us get structured data from form submissions in our Rails applications.

14m

Sharing Data With Javascript

Jan 12, 2016

Learn how to share data between Rails and Javascript without using AJAX

Sending Data Between Controllers And Views

Jul 02, 2014

Using instance variables we can send data between controllers and views and take a look at how that works

11m

Clean Javascript Code Using Data-Behavior On The Frontend

Jun 02, 2015 Pro

Separate responsibilities of Javacsript from your HTML tags by using the data-behavior attribute

19m

How to Submit Complex Form Data in Ruby on Rails

It's a common situation that we need to submit complex data in our forms in our Rails apps. We'll explore how can we transform the simple values browser forms allow and convert them into something Rails can use and transform into Ruby objects.

12m

Migrating from Rails UJS to Hotwire: Data Method, Confirm, and Disable With

Dec 29, 2021

Turbo now provides equivalents to Rails UJS data confirm, disable with, and method attributes that we can use.

13m

How to use Fixtures to create sample test data

Sep 18, 2019 Pro

You can use Fixtures in Rails to create sample database records for your tests to run against. They're easy to setup and extremely quick.

Normalizes method in ActiveRecord

Sep 18, 2023

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.

17m

Vue.js Trello Clone in Rails - Part 8

Jan 15, 2018 Pro

Adding Vuex as our Data Store gives us the ability to add realtime updates to our trello clone across browsers using ActionCable

13m

Single Table Inheritance (STI) with ActiveRecord in Rails

Jan 22, 2024

Have models that store the same data but need different functionality? Rails provides Single Table Inheritance in ActiveRecord to solve this problem.

10m

Handle Race Conditions with Pessimistic Locking

Aug 22, 2019 Pro

Race conditions can cause problems with data integrity. We can prevent these issues with Pessimistic Locking in ActiveRecord which uses database row-level locking.

24m

Multitenancy with the Apartment gem

Mar 19, 2015

Learn how to separate your application data into different accounts or companies

10m

Creating New Blog Posts

Apr 03, 2023

Handling form submissions with Rails teaches us about strong parameters and saving data with our Rails models into the database.

How to manage and run Maintenance Tasks for Rails in Production

Feb 17, 2022

Deploying to production often requires running tasks to backfill new columns and other data. The maintenance_tasks gem from Shopify does a great job of allowing you to define tasks with arguments and run them in production.

14m

Storing Web Scraper Results in ActiveRecord models

Feb 27, 2024 Pro

We need to keep track of the web pages we want to monitor and scrape data from, so let's create our ActiveRecord model for storing this information and a Result model for storing the result each time we scrape a web page.