Questions tagged [ruby-on-rails-3.2]

An extraordinary milestone was reached on January 20, 2012, with the release of Ruby on Rails version 3.2.0. This significant update is a game-changer for all developers working with this cutting-edge framework. Should you encounter any challenges or have queries concerning development in Ruby on Rails version 3.2.0, feel free to utilize this designated tag.

Navigating a JSON object with Coffeescript iteratively

I'm a beginner in Coffeescript and I'm facing a challenge with resolving an issue. Currently, I have a JSON object stored in a variable. Can somebody guide me on how to loop through the keys in the JSON object to show both the key name and its correspondin ...

jsonhashcoffeescriptruby-on-rails-3.2

Tips for sending two objects simultaneously to a template through a Rails Ajax request

Looking to pass two objects to a template that will be rendered after an Ajax call using Rails 3. Take a look at my controller file below. controller/homes_controller.rb class HomesController < ApplicationController def home @sdf=TSdf.n ...

rubyajaxruby-on-rails-3.2

What is the process for setting up a Rails action to handle an Ajax request?

Whenever a user clicks the "add to cart" button on my shopping page, an AJAX request is sent with just the product_id. It's like saying "Add this item to the cart." In Rails, what should the Action look like for this situation? ...

ruby-on-railsajaxactionruby-on-rails-3.2

Saving data to a database using knockout.js and JSON objects: A step-by-step guide

I have been assigned a task to work with knockout.js. In my project, I have a model called "employee" with fields such as name, country, and state. However, the issue I am facing is that I am unable to save any changes made during the editing process. Her ...

rubyjsonknockout.jsruby-on-rails-3.2

What is the method for adding or removing options from a collection_select (Drop-Down List) in Rails?

I am seeking guidance on how to dynamically add and remove values from my dropdown lists. Below is the code snippet I have in my View/Project/_form.html.erb: <div class="control-group"> <%= vf.label(:category_id, :class => "control-label") % ...

jqueryruby-on-railsajaxruby-on-rails-3.2

Updating MongoDB every 30 seconds using remote JSON data: A step-by-step guide

I'm currently working on parsing remote JSON data and storing it in MongoDB. The JSON data I am dealing with is dynamic, so I want to continuously update MongoDB with this dynamic data every 30 seconds. Here's an example of how I parse the JSON data: req ...

ruby-on-railsjsonmongodbruby-on-rails-3.2