Ruby on Rails - Railscasts PRO #403 Dynamic Forms (pro)

Railscasts Reloaded · 34K views · 2015 · 14:02

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Web developmentPython, Ruby & scripting languagestutorialdated

Why Stack Overflow recommends it

Stack Overflow users link it when answering or asking about Rails forms that need dynamic fields, nested attributes, or serialized properties.

Recommended by 1 people across 1 different months, 2016 to 2016.

What it is

A 14-minute Railscasts PRO episode (#403) on building dynamic forms in Ruby on Rails, where one form defines the fields of another, including custom field types. It is presented in the Railscasts screencast style and re-hosted on the Railscasts Reloaded channel.

What people said

Recommends kjmagic13 · 2016-01 · Stack Overflow · on “has_and_belongs_to_many: how to get correct relations? (JSON output)”

@MuteMinute, I'm taking a shot in the dark here and assuming you're trying to accomplish something along the lines of Ryan Bate's example of Dynamic Forms. Check out his video on YouTube [this video] . I also recommend you read this great article on Why You Don’t Need Has_and_belongs_to_many Relationships [LINK] .

Cites user1682647 · 2016-08 · Stack Overflow · on “How to insert serialized data into database using rails console”

I added dynamic form fields to my rails app folowing the tutorial on this link railscasts [LINK] or [this video] and the source code github [LINK] creating/updating using forms data works well as expected. however, I get the following error undefined method `humanize' for :author:Symbol when I try viewing the product inserted using console with this command for example Product.create(product_type_id: 1, name: "refactoring", price: 24.99, properties: {author: "Martin Fowler", page_count: 197, paperback: 1 } ) examining the database I noticed that the data inserted through the console doesn't get serialized example data submitted through form: --- !ruby/hash:ActionController::Parameters author: Mar

Cites beastlyCoder · 2016-12 · Stack Overflow · on “NoMethod error fields Nested Attributes”

I've been following this railscast: [this video] for learning how to implement nested attributes into my application. When I implement his code in the certain areas necessary I always get the same NoMethod error on the fields. [LINK] On the events show page where you can add songs, I am trying to add a 'Add Field' link that will add another group of songs(a field for artist, title, and genre). Here is my EventController: class EventsController < ApplicationController def new @event = Event.new @event.songs.build end def index @songs = Song.all end def show @event = Event.find(params[:id]) @songs = @event.songs.paginate(page: params[:page]) end def create @event = current_user.events.build(event_p