similar to: country out of the Arab

Hello, I am very new in R so I am so sorry for this question. I have the Barro-Lee data set which contains 98 countries and I want to run the regressions only for the Latin America countries, so what do you recomend? How can I delete all the other countries or how can I select the countries of Lat. Am. thank you this is the list of countries SHCODE COUNTRY NAME WBCTRY

I have two models bank and country. User should only associate a Bank with a country id present in the country table and I put validates presence of country to enforce it but i get error mysql2::Error: Unknown column ''countries.bank_id'' in ''where clause'': SELECT `countries`.* FROM `countries` WHERE `countries`.`bank_id` = 17 LIMIT 1 when updating the bank

Hi I am new to ruby on rails , i am trying to develop a form client form having multiple refrences to country... i.e while adding a client i can add two contact persons each have a country associated with them. However with scaffolding iam unable to refer country twice....could anyone of you shed some light as to where iam going wrong or what could be the rite way.... -- You received this

Hey, I got following very simple test case: require ''spec_helper'' describe Country do it "should create a new instance given valid attributes" do Factory(:country) end end Factory looks like: Factory.sequence :country_name do |n| "Country #{n}" end Factory.define :country do |c| c.name Factory.next(:country_name) c.nationality "Foo

hi every one please tell me the recommended way to get country state city drop down list in rails any gem - plug-in tutorial thanks in advance. -- 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

Hi I''ve tried this on a virgin Rails 3.2.2 app. If you put the translations for country names in the locale file using the 2 letter ISO code, it looks something like this: en: countries: DE: "Germany" NO: "Norway" US: "USA" This works fine - but for Norway :-) I18n.t :''countries.DE'' # => "Germany" I18n.t

dear all, I'm a newbie in map tools. I was asking to perform an apparently very simple task. I have a list of countries (about fifty all over in the world) scored with a real positive value. Eg Country score Italy .56 UK .58 Korea .41 Mexico .63 ... I wish to plot geographical maps where every country is filled with a color depending on his score. Using maptools library and

I am very new to ROR. (Ruby 1.8.7, rails 2.1.1, rack 0.8.7, mysql 5.1.41) I has my_app/lib/migration_helpers.rb file: module MigrationHelpers def self.foreign_key(from_table, from_column, to_table) constraint_name = "fk_#{from_table}_#{to_table}" execute %{alter table #{from_table} add constraint #{constraint_name} foreign key (#{from_column})

hi, i have a certificate file in pem format. i need to read the pem file. Need help on how to read the certificate in ruby on rails Thanks -- 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

Hello Guys , Can anyone explain me how to use Oniguruma in ruby 1.9.2 , I guess in ruby 1.9.2 its a default library so there is no need to install externally? I was using Oniguruma::ORegexp.new( in ruby 1.8.7 . Thanks Nishant -- 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

Hi all, I''m learning Rails by Example (chapter 11), by Michael Hartl ( http://ruby.railstutorial.org/chapters/user-microposts#top) but I got no route matches when I try to delete one micropost. the _micropost html is... <tr> <td class="micropost"> <span class="content"><%= micropost.content %></span> <span

Given the models Country, State, City and Person as follows. class Country < ActiveRecord::Base has_many :states end class State < ActiveRecord::Base belongs_to :country has_many :cities end class City < ActiveRecord::Base belongs_to :state has_many :people end class Person < ActiveRecord::Base belongs_to :city end Is there any way that doesn''t allow to delete

Hello guys, I have these models class Farmer < ActiveRecord::Base has_many :cows end class Cow < ActiveRecord::Base set_table_name :cows belongs_to :farmer end ... graph = Farmer.find(x) # Retrieves four cows of x graph.cows[1].name = "Trottolina" graph.save while adding a new cow to collection works perfectly fine, ActiveRecord doesn''t

Jose Luis Column `Country` joining factors with different levels, coercing to character vector common_col_names <- intersect(names(sub_kei), names(knowledge)) > common_col_names [1] "Country" "Year" nrow(sub_kei) <- 132 nrow(knowledge) <- 3864 Tiene distinto numero de pais como de año, en el sub_kei aparecen 5 años y en el otro dataset (knowledge) datos anuales

Hello friends! When i tried to start my server arising this error, currently i using rails 2.3.2. If any one know what is reason suggestion me. $ mongrel_rails start !!! Path to log file not valid: log/mongrel.log mongrel::start reported an error. Use mongrel_rails mongrel::start -h to get help Thanks & Regards, Dhamodharan.N -- You received this message because you are subscribed to

Full_Name: Michael Aaron Karsh Version: 2.8.0 OS: Windows XP Submission from: (NULL) (75.61.109.172) I tried using the lm function to regress the third column listed below on the second column listed below. It gave me an error message. My code is below. > HDISWLSdata=read.table("RHDISWLS.txt") > HDISWLSdata V1 V2 V3 1 DENMARK

Even reading the documentation I can not figure out what is the select_tag difference between this: <% = select_tag (bags [], "options_for_select (bags.collect @ {| bb | [bb.bag_type, bb.id]}, ruser.bags.collect @ {| ub | ub.id}), {: multiple => true,: id => "bags"})%> and this: <% = select_tag "bags [], " options_for_select (bags.collect @ {| bb

Here''s some code, this is my NewsItem model as you can see... class NewsItem < ActiveRecord::Base belongs_to :country has_attached_file :image, :styles => { :original => ''57x57'' }, :default_url => ''/images/football.png'' # has_attached_file :image, # :styles => { :original => ''57x57'' },

Hey everyone, I''m having an incredibly difficult time getting bundle to work properly on my production server. My production server setup: Ubuntu 10.04 Ruby 1.9.2p290 Rails 3.0.4 Passenger rvm 1.6.32 My Gemfile (relevant parts): gem ''linkedin'', :git => "https://github.com/renatosnrg/linkedin.git" Whenever I try to do "bundle install" I get this

given an Arra tags[] I need to produce a resulting Hash as following .. { "$in" => [tags[0]], "$in" =>[tags[1], ...} in which the key should be always the same and the value being an Array I tried this : myHash = {} tags.each do |tag| h = {"$in" => [tag]} myHash.merge!(h) end but the merge! is only