similar to: ruby issue : mixing Hash and Array

class Array # break an array up into <size> chunks def chunk(size=1) return self if self.empty? raise ArgumentError if !size.kind_of? Integer y = self.length.divmod(size) rows = (y[1] > 0) ? y[0] + 1 : y[0] arr = Array.new(rows) (0...rows).each do |i| arr[i] = self.slice(size*i, size) end (arr.last.length...size).each { |i| arr.last[i] = nil }

Looking for suggestions on following two queries. Query 1 ------------------------------ Are the two following lines of code different in Ruby / Rails ( in a *.html.erb) file. <% if @forms.count != 0 %> <!-- first code --> Vs. <% if @forms.count %> <!--second code --> @forms is an array of objects. Coming from "C" language development background, i thought

Two Models. class Gm < ActiveRecord::Base belongs_to :pool # mode code here. end class Pool < ActiveRecord::Base has_many :gms # mode code here. end Testing code through the console. >> gm_list.each{ | gm | puts " GM name: #{ gm.user_name } belongs to Pool: #{ gm.pool.pool_name } " }; nil GM name: John belongs to Pool: RHP 07-08 Season - Career League GM name:

I''m three pages into the OnLamp RoR Tutorial [1] and am wrestling with what appears to be a MySQL connection problem. I''ve created a simple controller called "recipe" with a corresponding "recipes" mysql table. The recipe controller is just a simple scaffold. When I browse to "recipe/new", though, I get these errors: == NoMethodError in

I wonder why ruby core method ''take_while'' does not work as expected in the below Rails console example: irb(main):003:0> arr = [] => [] irb(main):004:0> arr << Date.today - 15.days => [Sun, 27 Jan 2013] irb(main):005:0> arr << Date.today - 25.days => [Sun, 27 Jan 2013, Thu, 17 Jan 2013] irb(main):006:0> arr << Date.today => [Sun, 27

Hi all, I have an activation model that when constructed should set the key (column in the activations table) to test. class Activation < ActiveRecord::Base belongs_to :user def initialize this.key = "test" end end When i do ac = Activation.new I gget NoMethodError: You have a nil object when you didn''t expect it! You might have expected an instance of Array.

Title: Nested serialization with to_json and to_xml with array and hash element class Person < ActiveRecord::Base has_one :address has_one :job def office() return "Executive_Suite" end end class Address < ActiveRecord::Base belongs_to :person end class Job < ActiveRecord::Base belongs_to :person has_one :paygrade def Title return "Engineer" end end

could anyone by chance give me a working example of the .uniq! method? i''ve been trying all day. any help would be much appreciated! jon -- Posted via http://www.ruby-forum.com/.

I''m having a problems mocking successive return values. I don''t know if I''m doing something wrong or if this is a limitation of rspec mocks. Any ideas of what I may be doing wrong? I''m trying to test the generate_quote_number method. It generates a quote number, looks to see if it is in the db already. If it is, it calls itself to try again. I want

Hi all, I have a question concerning ActionWebService XMLRPC servers: Is it possible to send multicall requests to the Web service? I tried to use multicall and get the error message: no such method ''system.multicall'' on API [MyAPI] In Changeset 2021 there is the following commit message: add ''system.multicall'' support to XML-RPC. boxcarred methods must

Dear Rubyists/Rails gurus, Though I''ve successfully completed the various Rails tutorials online and the Depot application from the Agile Web Development with Rails book, I''m still pretty much a Ruby/Rails newbie. I''m trying to learn by writing my own simple blogging application, but I''ve run into a problem that has had me scratching my head for a few days now.

Hello guys, I have two tables, tasks and projects, and each model I put: Task.rb class Task < ActiveRecord::Base attr_accessible :user_id, :project_id, :name belongs_to :project end Project.rb class Project < ActiveRecord::Base attr_accessible :name, :description has_many :tasks end But when I go to my prompt and I make a SELECT with task, none project is returned.

Message-ID:<ef1d468f0801291747q3f605e6cjb73028a888a441ee at mail.gmail.com> On: Tue, 29 Jan 2008 20:47:41 -0500, "Andrew WC Brown" <omen.king at gmail.com> wrote: > I''ve seen lambda before but not sure what it does. A lambda is a fancy name for an anonymous or unbound function. Its significance comes from the fact that it is completely stateless, producing no

I created some virtual attributes in a model in order to store intermediate calculated values. I wanted to use attr_accessor_with_default so that I could give the calculated values an initial value to allow me to use += to easily accumulate values. When I did so I came across some slightly perplexing behaviour which I was wondering if anybody could explain to me. When I tried to create a method

I''m lost on regular expressions to begin with... I''m trying to fix a value to one of 4 radio buttons as there will be value of either 1,2,3 or 4 in @roles_users... <TD><input type="radio" id="roles" name="case_managers[case_manager_name]" value="Case Manager Admin" <% if =~ @roles_users /1/ checked =

Hi ! I''m trying to connect to an https URL, but it seems it doesn''t work. Has anyone successfully connected from Ruby to an HTTPS server ? Thanks ! -- Fran?ois Beausoleil http://blog.teksol.info/

Hi all, I am having a weird problem reading a value from my model. basicaly, I have these two models: class Category < ActiveRecord::Base acts_as_tree :order => "name" belongs_to :item_type has_many :specific_category_names end and class SpecificCategoryName < ActiveRecord::Base set_table_name "Specific_category_names" has_many :products belongs_to

Trying to do first project in Ruby on Rails, and I''m getting the dreaded nil object exception. I''ve reduced the code to what I think is the minimal case, and it''s still not working. Code presented below.. ---------------------------------------------------------------------- in "app/controllers/dashboard_controller.rb" class DashboardController <

This is a super quick announcement for a new Mongrel plugin called mongrel_console. It was inspired by a request from Tobias L?tke who wanted to tail out logs while Mongrel was running. What mongrel_console does is combine the Rails script/console with Mongrel so that you can control a mongrel server while using script/console. Sounds weird but it''s quite awesome for development

Hi, I keep facing problems with autotest, and I don''t know what''s happening in the background, is there anyway to know what''s happening while testing? Example: @user = User.new @user.email = "testcom" @user.errors.on(:email).should_not be_empty ...throws error failure - You have a nil object when you didn''t expect it! - You might have expected an