Search Results for "the-lake-park-t-ng-tr-ng-s-ng-xanh-c-a-kdt-nam-hoa-xuan"

Lessons

The Behaviors Of Super

Oct 13, 2023 Pro

In this lesson, we will look at the various ways we can use the super keyword in Ruby in regard to forwarding method arguments to the equivalent method in a parent class.

2

The difference between Link_to vs Button_to in Ruby on Rails

May 29, 2023

A lot of developers use link_to and button_to interchangeably. In this lesson, we'll explore when you should use link_to and when to use button_to and the differences between them.

1

The MVC Pattern Explained

Apr 04, 2023

Rails uses the MVC Pattern. This isn't as scary as it sounds. It's basically a design architecture that gives you 3 primary buckets to help you organize your code.

5

The Ruby Subscript Operator

Jan 09, 2023 Pro

Rails uses the Ruby subscript operator to implement versioning with ActiveRecord Migrations. We'll learn how this works and implement it from scratch to see how it all ties together

5

The Rails db:system:change command

Apr 03, 2019

Changing the database adapter for a Rails app has always been an annoying, manual change to make. Rails 6.0 introduces the "rails db:system:change" command to make this easier using all the built-in generators for database.yml and more.

8

The State_Machine Gem

Aug 20, 2015

Learn how to use the state_machine gem to keep track of objects in your Rails apps

10

The Params Hash

Jul 02, 2014

A glimpse into the "magic" behind the params hash and the various ways it gets populated

5

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

Deploying the Web Scraper Rails app to Production & Setting Up Cron Jobs

Mar 04, 2024 Pro

The next step is deploying our web scraper to production and setting up our cron jobs. We'll deploy our Rails app to a server using Hatchbox.io and configure cron jobs to run our scraping tasks on an interval.

0

Improving the URL Shortener Design

Sep 25, 2023 Pro

It's time we start cleaning up the design and UI for a better experience with our URL shortener.

4

Creating The Link Model

Sep 19, 2023 Pro

First things first, we need a Link model to store our

0

Styling The Password Manager with TailwindCSS

Jun 08, 2023 Pro

We're ready to spruce up our Password Manager design with a little TailwindCSS.

4

Improving the Rails Route Generator

Oct 20, 2020 Pro

The Rails generator helpers have always been a little lacking in flexibility. While building the Madmin gem, I ran into an issue with the route generator and decided to take the extra time to contribute back to Rails.

5

Improving the Rails Conductor for Inbound Emails & ActionMailbox

Jul 14, 2020 Pro

Contribute to Rails by discovering something you could improve and learning how to add features to Rails

1

Using the Trix Editor plus File Upload Attachments

Oct 03, 2017

Learn how to use the Trix editor for editing wysiwyg content and upload attachments like images using Javascript and Shrine

53

Decorators with the Draper Gem

Feb 27, 2017

Implement the decorator pattern with the Draper gem in your Rails application

4

GoRails Performance - The Techniques I Use

Apr 11, 2016

Learn how I design GoRails for speed and performance on all layers of the stack

33

Refactoring with the Null Object Pattern

Apr 24, 2015 Pro

Refactor and simplify your associations and views using Null Objects that let you remove conditionals and have more robust code

23

Multitenancy with the Apartment gem

Mar 19, 2015

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

80

Better Debugging With The Ruby Debug Gem

Jul 31, 2023

In this video, we will be looking at how to better debug issues in our programs and applications by leveraging the Ruby Debug gem.

10

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Forum Threads

The Behaviors Of Super Discussion

Way to help us supercharge our troubleshooting skills. :D Great episode!

Ann Cascarano replied October 14, 2023 1:53am

2

The Unusual Error when rendering the main page at start

Hi, I am having this unusual error where I have created the view, models, and controllers for a page with home and about views. I have also set the routes to point to the pages#home, but the view ...

Asim Mehmood Khan posted September 19, 2023 6:05pm

1

The difference between Link_to vs Button_to in Ruby on Rails Discussion

Another trick is to use `formaction` for having multiple buttons in the same form without using any hidden forms. For example: ``` <%= form_with model: @blog_post do [form| %> <%= fo...

Ajay Guthikonda posted June 1, 2023 4:53pm

1

The MVC Pattern Explained Discussion

Awesome Chris! Great breakdown of the MVC pattern! : )

Eric Halverson replied October 12, 2023 12:17am

5

The Ruby Subscript Operator Discussion

Quite insightful. Thanks

Bashar replied January 15, 2023 6:45am

5

the deleting user is blocked if they have subscribed to forum

Vedant Jain replied November 9, 2022 12:23pm

2

The Rails db:system:change command Discussion

I get this: Running via Spring preloader in process 48851 invalid option: --to=postgresql What could be the issue? I am using Rails 6.1.4.1

Jesus replied December 9, 2021 12:54am

8

The Difference Between :symbol and symbol: Discussion

Chris Oliver posted February 12, 2018 11:21pm

0

The State_Machine Gem Discussion

Hi Chris! Would it be possible to do more videos on state machines in regard to multiple conditions for each event and also something on views? Thanks a bunch!

Af Dig replied November 27, 2017 7:16am

10

The Params Hash | GoRails

You know, I don't believe I ever got around to it. Going to record it this week.

Chris Oliver replied May 24, 2017 1:24am

14

The Params Hash Discussion

I am struggling with ajax and passing id with rails 4 and slim... please helppp

Chase Story replied July 12, 2019 3:13pm

5

The best way to use permissions in serializers

I want to show the attrib, using cancancan in serializer model, it is possible ? what is the good practices for that, thanks !

Jose Aguirre posted February 11, 2018 4:03pm

1

Enhancing the Rails Scaffold Generator with hook_for` Discussion

Very helpful and cool ,thanks

Gary Leydon posted March 14, 2024 3:19pm

1

Deploying the Web Scraper Rails app to Production & Setting Up Cron Jobs Discussion

Chris Oliver posted February 6, 2024 9:07pm

0

Count the number of pages in a pdf

Hello! I am trying to count the number of pages in a PDF for a print service using PDF-reader (https://github.com/yob/pdf-reader). Here's what I have so far but, I only get a hash of {"identified...

Nick Seferos posted October 18, 2023 1:21am

1

Improving the URL Shortener Design Discussion

No problem! I hope that clears it up for you, Diego!

cjilbert504 replied December 5, 2023 6:11pm

4

Creating The Link Model Discussion

Chris Oliver posted September 14, 2023 9:06pm

0

Limit the file size of Direct Upload ActiveStorage and ActionText Attachments

As the title says, I'm looking for ways of limiting the file upload size of both ActiveStorage attachments and ActionText attachments. I know this problem will require both client side and server s...

Tonksthebear posted August 15, 2023 11:19pm

1

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