Search Results for "which-are-the-top-ai-development-companies-in-india-for-2025-any-recommendations-for-reliable-and-experienced-firms"

Lessons

Enhancing the Rails Scaffold Generator with hook_for`

Mar 11, 2024 Pro

Generators in Rails are in namespaces which allows us to create local generators that use the same name as others. We can use this technique to enhance the Rails scaffold generator by calling it with `hook_for`

1

Realtime Online User Tracking with ActionCable

Feb 10, 2020 Pro

If we want to add realtime tracking of which users are online, we can use active websocket connections through ActionCable to keep track.

17

@mentions for Users with ActionText in Rails 6

Mar 11, 2019

Mentioning Users with an @mention is a super common feature. Trix and ActionText are now part of Rails 6 which means we can very easily add support for tagging users with @mentions and other custom attachments in your applications.

3

Open Source Vlog - Refactoring Our Calendar

Jun 30, 2015

Refactoring our calendar to find out which pieces need to be interchangeable

2

Rubygems Trusted Publishing

May 17, 2024

Rubygems.org released a new feature called Trusted Publishing which allows you to release gems directly from GitHub Actions without requiring 2FA or long-lived API tokens. Let's see how it works!

1

Active Support Deprecation Exceptions

Dec 15, 2020 Pro

Rails 6.1 introduces a new feature called "disallowed_warnings" which causes exceptions to be thrown anytime deprecated code is run. This makes it really easy to track down deprecations in your code and fix them quickly.

4

How to Add Pagination with Pagy

Sep 06, 2018

Pagy is 29x faster at pagination in their benchmarks which makes it an ultra fast and lightweight pagination library

21

Uploading Files to DigitalOcean Spaces

Oct 31, 2017

Learn how to upload files to DigitalOcean's Spaces which is an Amazon S3 compatible file storage API

9

Organizing Rails Model Files

Oct 30, 2023 Pro

In this lesson, we will look at some guidelines which we can use to help keep our Rails model files organized and uniform. Along the way we will uncover a couple of gotchas to be aware of when doing the work to align your files with the template.

8

Syncing Videos With Video Hosting API Client

Mar 29, 2024 Pro

Next, we need to sync videos using our API client which we'll do with a higher level abstraction to integrate with the API.

7

Ruby Data Class

Aug 11, 2025 Pro

In this episode, we will look at Ruby's Data class which provides a way to define simple classes for value-alike objects.

0

Authenticate By & Password Challenge Methods In Rails 7.1

Sep 20, 2023 Pro

Has secure password is boasting some new benefits in Rails 7.1 with the addition of the authenticate_by method which reduces timing-based enumeration attack vulnerabilities. Also being introduced is the ability to provide a required password challenge.

2

Ruby Pattern Matching

Aug 18, 2025

In this episode, we will be looking at pattern matching in Ruby which lets you check the structure of data and save parts of it into variables.

3

HTML Learning Path - Additional Input Types

Nov 02, 2023

In this lesson, we will explore the other types of input elements which we can use in our forms.

0

Ruby Module Function Method

Sep 29, 2025 Pro

In this lesson, we will look at the Module#module_function method in Ruby which allows you to call methods defined in a module with the module as a receiver.

7

ActiveSupport::CurrentAttributes

Aug 25, 2025 Pro

Current Attributes is a feature in Rails that provides a thread-isolated attributes singleton, which resets automatically before and after each request. Let's learn about using it.

0

Ruby Debugging with Strace

Aug 28, 2023 Pro

In this lesson, we will be learning how to use strace to watch our system calls which we can then use to help debug issues further.

2

How to Dual Boot Rails Versions

Nov 09, 2020

Ever wanted to run your Rails app against multiple versions of Rails? You can with "dual booting" which helps you keep your stable Rails version but also test against the latest.

2

Changing Contexts To Objects With IRB

Apr 03, 2024

In this video, you'll learn about a feature of IRB, which is the ability to change context into an object.

3

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.

1

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Forum Threads

Thread Safety with Mutexes in Ruby Discussion

In a Rails application that does standard CRUD for the most part, what would be a good use case for something like this? In the ferrum_pdf example you gave, it looks like you want to ensure there's...

evelynnotting replied November 6, 2025 3:55am

Setup MacOS 10.10 Yosemite Discussion

When I try to install Homebrew, I get:csu:~$ ruby -e "$(curl -fsSL https://raw.github.com/Home..."dyld: Library not loaded: /usr/local/lib/libgmp.10.dylib Referenced from: /Users/christophersu/.rv...

Someone replied December 7, 2017 12:02am

Improve on these ActiveRecord requests?

I am trying to get the top 5 products, based on the impressions that product has recieved. Now the code below is working ok, but its not in the right order, and I cant work out a better way to get...

Alan Reid replied January 2, 2019 6:47pm

Setup Windows 10 Discussion

Hi,I got all the way through this so thanks for the walk through! I run "rails server -b 0.0.0.0" and the server boots fine but when I go to localhost:3000 in the browser, the browser icon spins bu...

ReactJS with Rails

I'd love to see a series on a **_real world_** app using **ReactJS** with Rails API.

Using Purchased Themes with Rails | GoRails - GoRails

2 Pro episodes in a row? :(

Chris Oliver replied June 17, 2020 1:57pm

How to use Uppy with ActiveStorage Discussion

Thanks for this!

Brian Carpenter replied October 13, 2022 1:24pm

How to upgrade from Turbolinks to Hotwire & Turbo Discussion

Hey Chris, thanks for going over Turbo and StimulusJS 2.0 changes, I'm really excited about using them in my projects! One really big thing that would be great to cover is using dialogs/modals wit...

Thomas Connolly replied February 22, 2021 11:22pm

How do I connect multiple devise apps for a single login to any of the apps?

Gems / Libraries

For a rails/devise project I'm trying to figure out how to have the same devise login (email/password) work for multiple apps on different domains. I can't figure out if this would that be conside...

Jerome . replied March 16, 2022 11:26am

How is the Trix editor on gorails.com "Parsed with Markdown"?

I was considering implementing on my website the ability for users to switch between a markdown editor or the trix editor but then I noticed on this gorails.com editor (which appears to be Trix) it...

Sebastian replied August 28, 2018 5:23am

Advanced Search, Autocomplete and Suggestions with ElasticSearch and the Searchkick gem Discussion

Chris, this is awesome!I was hoping you'd do a Searchkick/ElasticSearch video since you did the Ransack video!Thanks for all the great videos!

Updating sort_index attr on a collection of models

Hey there! I've got a collection of models (Product) and each product has an attribute called `sort_index` that allows the store owner to set a specific order for their products. The UI allows the...

Sean Washington replied April 3, 2017 9:42pm

Suggestion for a new episode

Hi Chris, I would find interesting an episode about the implementation of a digest. I mean these weekly types of e-mail that send platforms like medium or quora in which they send the most interest...

Joe Guerra replied December 10, 2018 7:19pm

RSpec w/capybara vs Mini Test

Hey guys, what are your thoughts on RSpec vs Mini Test. Which one do you use and why? Cheers, Drilon

Chris Oliver replied January 20, 2021 10:55pm

How to display multi-day events in SimpleCalendar?

Gems / Libraries

Hi there, Not sure if i've missed something, but i'm not able to get multi-day events to show over the date range using SimpleCalendar. From what I've read on the Gem homepage, I've passed in the...

Nikodem Gorak replied January 29, 2022 8:58am

How to use Devise with Hotwire & Turbo.js Discussion

Hey Chris - If we are still using Webpacker, we just need to change data-turbolinks-track to data-turbo-track in our layout files? In your episode repo, you still have it as turbolinks. <%= st...

Deploy Ubuntu 12.04 Precise Pangolin Discussion

Great tutorial!Just one thing, the Gemfile it's wrong, it's pointing to the wrong repository of each capistrano implementation. This should work:gem 'capistrano', '~> 3.0.0'gem 'capistrano-bundl...

Someone replied September 23, 2014 1:24am

Forum Series Part 3: Nested Attributes and fields_for Discussion

What do you think about using ActiveForm? https://github.com/rails/ac...

How to use Bootstrap with Webpack & Rails Discussion

Thanks for posting this and the previous video on using tailwindcss. It's helpful to see the main themes reinforced in each of the videos. One thing that I'm struggling with is what seems like a vi...

bradley replied July 23, 2022 4:07pm

Setup MacOS 10.12 Sierra Discussion

Thanks for posting this, Chris. Did you face any issues with Nokogiri when installing the Rails gem?

Someone replied January 8, 2018 1:30am

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