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I created a form with two collection_select, country and state and would like to bring up to date the state list when to select a new country. How I can make this in Rails? Thanks Eleudson Brazil <p><label for="person_country_id">Country</label><br/> <%= collection_select(:person, :country_id, @countries, :id, :name) %></p> <p><label

...and not to use @form_country_id variable from _form.rhtml. <select id="city_state_id" name="city[state_id]"> <%= options_from_collection_for_select @states, "id", "nome", @form_country_id %> </select> Regards, Eleudson Queiroz jinfo@mandic.com.br -- Posted via http://www.ruby-forum.com/.

Hi guys, I'm trying to use asterisk with my slackware 10.2 box. Kernel 2.6.13 from the testing... The udevd are not creating the /dev/zap devices. Someone already have success installing asterisk over slackware? Thanks in advance. Fernando Lujan

I'm trying to put asterisk working with a proprietary pbx system. I'm doing it using a T1 crossover cable. The pbx system uses the R2/MFC specification. And the don't inform if it uses cas, ccs, ami or hbd3. My digium card is flashing a red light. How can I put this working with the R2/MFC system? Thanks. Fernando Lujan

I''m sure this is a simple problem, but I''ve been working on it for a couple days and can''t seem to figure out the correct way to structure my observe_field call. The HTML and Javascript generated all appear correct, but the AJAX call is never made. Below is the code I''m using and any help would be much appreciated. models_controller.rb def

Guys, I'm trying to configure a TE406P with MFC/R2. here goes my zaptel.conf: span=1,0,0,ccs,hdb3,crc4 cas=1-15:1101 dchan=16 cas=17-31:1101 span=2,0,0,ccs,hdb3,crc4 cas=32-46:1101 dchan=47 cas=48-62:1101 The first strange behavior is that the: zap show status shows this: Description Alarms IRQ bpviol CRC4 T4XXP (PCI) Card 0 Span 1

Hi guys, I''m setting up asterisk to run with another pbx server. This pbx server support a feature that allows 2 extensions connect to the same FXS. No I put asterisk in the middle. Asterisk receives the call and dial to a SIP/peer. How the pbx installed support 2 extensions to one fxs... How can I figure out in asterisk which extension was dialed before the call came to asterisk?

What is the difference between the check_box_tag and the check_box form helper? I can''t understand why both must exist. :( Thanks. Fernando Lujan

Hy guys, Inside my app I have a form which contains user information. Sometimes a have a form with a text_field as above: <%= form_remote_tag(:html => { :action => url_for(:controller => "my_controller", :action => "my_action") }) %> <%= text_field(''my_object'', ''my_parameter'', :maxlength =>

I''m creating a address book. A user can have many contacts. In the user model, I put: has_many :contacts And in the contact model, I put: belongs_to :user To list all contacts, I search as following: @user = User.find(session[:user_id]) And rendering: <%= render(:partial => "contact", :collection => @user.contacts)%> To persist I am using the following

Hi guys, I''m having problems with my app. First of all, I created a date_select with the code: <%= date_select(''contact'', ''birthday'', :order => [''day'',''month'',''year'']) %> In the contacts table, I create a date field: birthday DATE When I save the values goes wrong into the database.

Hi guys, I''m developing a chat application with rails. I need to instantiate a observer for each user that logs in the app and then, when this user type a message update all users with the new message. I try wiki.rubyonrails.org for help, and find nothing I can use. I searched using the keywords rails observer and didn''t find anything interesting. Where can I find useful

I have a doubt about using models. I have a application with two parts. The first is a login system to users, and the second is a administrative interface. The administrative interface I create in a directory called admin Both parts use the model User. Can I put the model user only in the model directory or I should duplicate it in the /models/admin/ too? Thanks in advance. Fernando Lujan

Gruys, How can I record a specific channel if Monitor doesn't receive it as a parameter? Can I do a combination with the ZapBarge app? I want to record calls in some channels. Thanks in advance. Fernando Lujan

Guys, I'm trying to run chanspy on a specific channel without success.. extensions.conf: exten => 5,1,ChanSpy(IAX2/) Result: -- Executing ChanSpy("IAX2/127.0.0.1:32783-1", "IAX2/") in new stack -- Playing 'beep' (language 'en') -- Playing 'beep' (language 'en') -- Playing 'beep' (language 'en')

Hi, Is there any way to change the partition type using python-guestfs? I'm trying to recreate an NTFS partition, but can not change the type to NTFS (7 identifier in frisk) Filesystem from my disk g.list_filesystems() {'/dev/sda1': 'ntfs', '/dev/sda2': 'ntfs’} Fdisk print g.sfdisk_l(device) Disk /dev/sda: 51200 cylinders, 64 heads, 32 sectors/track Units =

How can I get the sessid from the current session object? For instance, I log in the system, and want to know which sessid I''m using. I''m storing the session using active_record. Later on, I want to restore a session finding it using the sessid. Thanks in advance. Fernando Lujan