similar to: is f.submit in a form_for newer than submit_tag?

when we have validate_presence_of :name in the model and then when we put in the create action that we re-render ''new'', then the form_for will populate the fields, and error_messages_for ''story'' will have the correct error message. this is really great, and and the same time, this looks like magic... i found that many books don''t explain how the magic

if i follow the instructions on: http://agilo.us/2009/03/15/rails-on-windows/ the command gem install sqlite3-ruby will give --------------------------------- Building native extensions. This could take a while... ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. c:/ruby/bin/ruby.exe extconf.rb checking for fdatasync() in rt.lib... no checking for

is it true that Rails depend on cookies? It seems that flash is a part of session, and session uses cookies... so when i disable cookie in Firefox, what was working became ActionController::InvalidAuthenticityToken so is it true that for a RoR app to work, cookies are mandatory? -- Posted via http://www.ruby-forum.com/.

it seems that RoR doesn''t use erb or eRuby to generate its output for rhtml? the program erb and the description of eRuby at http://www.eruby.info both said that <% print "foo bar" %> or <% puts "hello" %> will be placed into the output... but currently for RoR, it won''t... only <%= expr %> is doing it and it cannot be print or

Hello all, I am pretty much new here, trying to move to RoR from .net world. I will appreciate if anyone clarifies this for me. Most of books use "submit_tag" in new or edit views, but I see Rails API web documents use "f.submit" instead. I also see Agile Web Development using RoR 3rd Edition use the same "f.submit" instead of "submit_tag." Which way is

hi forum, I am new to rails, and i am just getting my hang of things. Problem, how do you pass content captured in a form to a custom method? I have the following form: <% form_for :message, @message, :url => { :action => ''reply''} do |f| %> <table cellpadding="4" cellspacing="5"> <tr> <td>Content:<%=

Hello friends, I have configured attachment_f. It''s working fine on Local(development) system but giving problem on production. Basically on production the attachment_fu is not able to generate thumbnail image it saving the original size image. Below is the configuration. has_attachment :content_type => :image, :storage => :file_system, :max_size

I''ve been researching this for some time and there doesn''t seem to be an easy solution. I have a form_for that submits materials. As usual, when it edits an existing material it automatically goes to the update action. This is fine. However, I want to have a second submit button "Save As" that allows a user to save another version of the material. This second

Hola, Soy nuevo totalmente con ruby on rails..de hecho durante 15 a#os programe con un RAD que no maneja codigo asi que estoy intentando retomar este tipo de lenguajes nuevamente..y vaya que si han cambiando. Estoy siguiendo un tutorial que indica como hacer una aplicacion sencilla llamada ''DEPOT'', despues de sortear algunos problemas de configuracion de mysql y el mismo rails

Hi, Presently the submit button is coming as a button in below case. <% form_for @chapter do |chapter_form| %> ... labels ... text_areas.. <%= chapter_form.submit ''Create'' %> I want to build a custom button in CSS and show that instead of the button. Can anyone help me please?

Consider the following: -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to

how can i give name attributes for form_for(), so it will give an output like <form name="f">. it is because that i need to access the form name for javascript manipulation. as far as i know, name can only used in form_tag(), but i currently have more than 50 forms that built using form_for(). the structure is like this: <% form_for symbol, item, :url => { :action

Is it possible to pass this FormBuilder object to a controller and then back to a partial? I have a form rendering a partial that i would like to update with a call to my controller based on user selectable parameters, but when the AJAX comes back, i get this error message because i cannot pass a form builder object between the controller and the view: "undefined method

In a form_for context, is there a way to access objects that are related to the primary object with a belongs_to? I think an example will serve best: class User < ActiveRecord::Base belongs_to :person attr_accessor :username end class Person < ActiveRecord::Base has_one :user attr_accessor :first_name end <% form_for :user do |form| %> <%= form.text_field

Hi All I''m trying to combine the from_for and select helpers Right now I have form_for :service, :url => ...... do |f| select("abc", "xyz_id", @my_arr.collect {|item| [ item, "bla" ] }, {:prompt => "opt1"} ) .... end What I want to do is something like .... f.select("abc", "xyz_id", @my_arr.collect {|item|

Hello, I am trying to install my login and search forms as default parts of the layout. This is the code I am using: <% form_for :user, :url => {:action => ''authenticate''} do |f| %> <p>Username:<br /><%= f.text_field :username, :size => 30 %></p> <p>Password:<br /><%= f.password_field :password, :size => 30

Good morning, I am posting msgs on the NON OPERATION of WINBIND. GOOD I should say that without I had made any change in the system it started to work in an of my facilities. INCREDIBLE but it worked. The problem now is that I tried log in the samba not previously using an user servant in the smbpasswd and him of autentication mistake. But should not WINBIND facilitate that? Do I need to have user

I''m using the fields_for helper with accepts_nested_attributes_for The System model has_many children. If I do this in my haml template: -form_for @system do |s| =s.text_field :name -s.fields_for :children do |child_fields| =child_fields.text_field :name all is fine. The fields_for iterates over all children and puts the correct data in the fields. But...what I

Say I have a person object which has a aggregation object call address. The the code to manipulate a form for create a new person should be: # new.rhtml <% form_for :person, :url => {:action => ''create''} do |f| %> <%= render :partial => ''form'', :locals => {:f => form} %> <%= submit_tag "Create" %> <% end %>

OK, so I''m an absolute noob at Ruby on Rails. I''ve read a lot of information I can find about form_for and most of them use form_for to create new items that get saved into the database and can be viewed later to edit, destroy, etc. In this case, the database will fill up with whatever the user wrote and I just want my program to have no information stored. I''ve been