I implemented the validates_presence_of field for the comments in the guide. How to display validation errors on the post page. I know the rendering, but with the rendering I need to send all the v
Tag: rails
Ruby-on-rails – Use view part of the view
I have been using an oscilloscope to display some information to show the to-do items that have been completed and 24 hours a day
scope :completed, joins(:user).where(:todos => {:complete =>
Ruby-on-rails – Rails 3 – Custom XML Response
Currently I am using this:
if @part.save
format.xml {render :xml => @part, :status => :created, :location => @part }
else
format.xml {render :xml => @part.errors, :status => :unprocessable_
Ruby-on-rails – the difference between “where” and “find”
This is almost answered in Difference Between find and Where with Relationships, but it is not complete. (Please note how I change the title of the question cleverly!)
I do a query
a = Libat
ruby-on-rails – div_for：NoMethodError
I am trying a ror tutorial, and I encountered the following line of code:
index.html.erb:
<%= render :partial => @players %> _player.html.erb:
<% div_for player do% >
<%= pl
Array – Rails 3 Retrieves all Great GrandChild records for ActiveRecord Collection
So I’m trying to perform a query on the model’s great granchildren. The relationship is like this…
match>match>match>player
And tournament model:
class Tournament :destroy
has
Policy from prototype to jQuery (rails)
I have an existing Rails application, I use Prototype to write a lot of js code, I want to make jQuery the javascript framework of the default application, and then migrate the existing Prototype c
prototype_s – form.submit () missed Rails.js UJS Observer
In a Rails 3 application, as long as a checkbox is toggled, I want the browser to call a remote function. In Rails 2, it’s easy to do this by passing it< /p>
:onclick => remote_function(…)
iPhone – How to formulate POST to create users using basic HTTP authentication and design Rails GEM
For this certification business, I am a novice. So I have been looking for, but could not find any direct solution:
I use Devise gem got Rails backend for user authentication and iPhone front
Ruby – YM4R cannot be converted to a string of rails3
This is some background of my question:
I am on Snow Leopard
I installed RVM (using ruby1.9.2-head to install )
I am using rails3
I installed ym4r using this http://github.com/guilleiguaran/y