similar to: Confusion with method call without `.` operator

Here is my sample code: class Foo Bar = 10 end Foo::Bar # => 10 Foo::Bar.class # => Fixnum 10.class # => Fixnum Float::NAN # => NaN Float::NAN.class # => Float NaN.class # uninitialized constant NaN (NameError) -- 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

I''m new to Ruby. I installed Rails on Windows 8. When I type mkdir in IRB, I''m getting this. I tried running the IRB as administrator too, and still get the same result irb(main):001:0> mkdir lesson2 NameError: undefined local variable or method `lesson2'' for main:Object from (irb):1 from C:/RailsInstaller/Ruby1.9.3/bin/irb:12:in

Hi all i am trying to use round method if have a value 2.08 i want it as 2.1 and it worked in 1.9.2 but not in 1.8.7 is there any other way of doing it. USING 1.9.2 1.9.2p320 :001 > 2.08.round(1) => 2.1 1.9.2p320 :002 > 2.04.round(1) => 2.0 USING 1.8.7 irb(main):001:0> 2.08.round => 2 irb(main):002:0> 2.08.round(1) ArgumentError: wrong number of arguments (1 for

Greetings, I''m new to rails and currently having couple problems about how to add javascript functionality into rails. I have a simple method in the helper and i want to run this code on button click. ------------------------------------------------------------------ module PagesHelper def show_message "simple output" end end

Hi, I discovered a weird behavior when using a "belongs_to: record" association in Rails 4. Given two models A and B: class A < ActiveRecord::Base belongs_to :record, class_name: ''B'', foreign_key: ''b_id'' end class B < ActiveRecord::Base end When creating A, it inserts a record in B and returns A with id of nil: irb(main):001:0>

Why the string interpolation is not working inside the Nokogiri method `#search` ? require ''nokogiri'' doc = Nokogiri::HTML::Document.parse <<-eotl <div> <p>foo</p> <p>foo</p> <p>bar</p> </div> eotl doc.class # => Nokogiri::HTML::Document class Person attr_accessor :name end ram = Person.new

The documentation is very straight forward and the mentioned example also cleared all the lines except the one mentioned inside **. http://ruby-doc.org/core-2.0.0/Module.html#method-i-module_function Creates module functions for the named methods. These functions may be called with the module as a receiver, and also become available as instance methods to classes that mix in the module. Module

Hi, I am not able to find out a simple example to find out the how the method works: > Nokogiri::XML::EntityReference::new (http://nokogiri.org/Nokogiri/XML/EntityReference.html#method-c-new) > Nokogiri::XML::Document#canonicalize (http://nokogiri.org/Nokogiri/XML/Document.html#method-i-canonicalize) Thanks -- Posted via http://www.ruby-forum.com/. -- You received this message

Hi All , I have written java code ( This java code will not return any thing but it will do action ) which is required call from ruby , please let me what is best way to achieve this ? Thanks , Muthu Selvan SR -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from

What am I doing wrong?? ****@ubuntu:~/ruby/things_i_bought$ rake db:migrate Rails 4 prefers to run on Ruby 2.0. You''re running ruby 1.8.7 (2011-06-30 patchlevel 352) [i686-linux] Please upgrade to Ruby 1.9.3 or newer to continue. ****@ubuntu:~/ruby/things_i_bought$ ruby -v ruby 2.0.0p0 (2013-02-24 revision 39474) [i686-linux] ****@ubuntu:~/ruby/things_i_bought$ rvm

When I have this pattern sign_me(@user, :event => :authentication, :subdomain => subdomain) how can I write it to avoid sending the :subdomain option if subdomain.nil? ( if possible ..) sign_me(@user, :event => :authentication #?, :subdomain => subdomain unless subdomain.nil? ) -- You received this message because you are subscribed to the Google Groups

Hello again ruby community! I just learned how to add two arrays(I know, i know). My program looked like this array1=[1,2,3] array2=[4,5,6] array_sum=array1+array2 I thought pretty simple stuff, they are combined. However, now i am looking to define that code as a method and I do not understand how to create the correct number of arguments, so when the method is called back it gives me my

I am having problem to install the gem `mysql`. kirti@kirti-Aspire-5733Z:~$ gem install mysql Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. /home/kirti/.rvm/rubies/ruby-2.0.0-p0/bin/ruby extconf.rb checking for mysql_query()... -lmysqlclient checking for main() in -lm... yes checking for mysql_query()...

If I have a file in view /test called index.js.erb and in it a simple alert("hello") shouldn''t that run when I go to /test/index? It doesn''t. -- 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 unsubscribe from this group and stop receiving emails from it,

Hello, Currently I am working on a app, so far I have User (with devise) which are able to create projects. So, if user1 creates project A and project B I want him, to be able to assign user2 with role admin on project A, and user2 with moderator role on project B. I was thinking in creating a UserRoleProject link table, is it a good idea? Or if not please help me with some pointers. The action

hi all, i am using 3 devises for 3 models in rails4. i need routes to my devise models.the devises are client,admin,employee. when i login into client then it will go to clients dashboard, when i login into admin then it will go to admins dashboard, the employee also has the employee dashboard. if i do not enter any login then the common dashboard body message is please signin. please let me

how to use single login page for users in four models -- 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 unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group,

I''m doing setu Ruby on Rails with RVM. I had setup ruby 1.9.3 p429 and RVM,RubyGem... succesfully But I can''t setup Rails with command : gem install rails because of error: ERROR: While executing gem ... (Gem::DependencyError) Unable to resolve dependencies: rails requires activesupport (= 3.2.13), actionpack (= 3.2.13), activerecord (= 3.2.13), activeresource (= 3.2.13),

Hi guys when I execute the piece of code bellow on RoR console it works fine: url = URI.parse("https://us1.api.mailchimp.com/2.0/helper/ping") request = Net::HTTP::Post.new(url.path) http = Net::HTTP.new(url.host, url.port) http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE request.body = "{\"apikey\": \"myapikey\"}" response = http.start

I''m using DigitalOcean as my hosting provider as I have some simple sites there. I thought I''d try to setup rails on a domain there to see what I could accomplish. OS: Ubuntu 12.04 x32 Rails: 4.0.0 Ruby: 2.0.0p247 nginx: 1.1.19 MariaDB: 10.0.4 Passenger: 4.0.19 node.js: 0.6.12 Thin: 1.5.1 When I hit the sight, I get "Welcome to