similar to: [PLUGIN] instance_validations

I wrote a plugin [1] a while ago that lets me do validations on a single AR instance. Instead of defining validations in an AR class, I can define them on a AR instance''s singleton class: class << @video validates_presence_of :title end One of my specs mocks Video.find, and the above code is run on the mock object. When I run the spec, I get the expected undefined method

I''ve gotten quite a bit out of Pat Maddox''s screencast http://evang.eli.st/blog/2007/10/8/story-runner-top-to-bottom-screencast One thing I''m not sure of is the feature where he writes things like: When "I POST to", "/articles", :post => {:title => "Title", :body => "Body") do | path, params| post_via_redirect

The built-in Rails pagination is fairly limited...you pass in the model name, and optionally some conditions, and it generates a paginated query for you. This gets to be very bad if you''ve got any custom queries. class Company < ActiveRecord::Base def complete_videos Video.find :all, :conditions => "company_id=#{id} AND status=''complete''", :order

I found an awesome feature today. When you''re setting expectations, you can actually pattern match the parameters to methods. Here''s my discussion and example: http://evang.eli.st/blog/2007/1/19/parameter-matching-in-rspec Pat

Hi. I have a problem which I assume would be easy to fix, but I can't find anything about it... I wish to have people dialing my phone, and if it is busy, they are put into a queue. And then I am dialed back when the previous call is finished, and connected to the waiting caller. Easy enough? ----------exten exten => 6,1,Background(salesq-intro); exten => 6,2,Queue(salesq|tT|||300);

I've just updated from 1.0.14 to 1.1.1 (Maildirs). According to <URL:http://wiki.dovecot.org/Upgrading/1.1>, "dovecot-uidlist file is in a new format. The old format is automatically converted to new one." When I try to delete a message (which moves it to the IMAP Trash folder), I get the following looping sequence of errors until I cancel the delete operation in the mail

Hey guys, Simple question here. I have a single index of recipes, from which I''m looking at the following fields: Name, Ingredient Text, Tags, and Description. The key is, I want to show all the results that come from Name, before I show any of the results from Ingredient Text, Tags, or Description. I tried doing this: acts_as_ferret :fields => { :name =>

Here''s an excellent blog post on Story Runner, which will be part of the next release and is undergoing active development in trunk: http://evang.eli.st/blog/2007/9/1/user-stories-with-rspec-s-story-runner

i want to tag categories to its menuname. i have a csv containing menu item name and in other csv i have a column containing some strings, i want to pick that strings from categories and look into menu items if any menu item containing that string i want to create a new column next to menu item name flagged as 1 otherwise 0 and the only condition is once a menu item flagged as 1 i don't need

count_from_query gives you the ability to generate a COUNT query from a standard Rails find. For example, if you have the query User.find :all it would be trivial to get a count: User.count however, if you have a more specific finder method, such as class Company < ActiveRecord::Base def complete_videos Video.find :all, :conditions => "company_id=#{id} AND

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Hi, I have a many-to-many relationship between dishes and ingredients class Dish < ActiveRecord::Base has_and_belongs_to_many :ingredients end class Ingredient < ActiveRecord::Base has_and_belongs_to_many :dishes end I have a join table dishes_ingredients now when i access my_dish.ingredients, i get a list of what looks like Ingredient objects, but the but they don''t have

I''ve created a couple plugins lately, and have been using RSpec instead of Test::Unit for them, so I wrote up this little generator. Also does some isolated database testing if you want as an added bonus. Basic info: Rails gives us a generator to create plugins with ./script/generate plugin. It creates all the stub files, including some tests for you. What if you want to use RSpec

I'm trying to set up dovecot and I'm running into a few problems. I just want to use IMAP for one user, everyone else gets POP3 from the existing (working server). $MAIL is set to /var/spool/mail/gavin_imap In my /var/spool/mail directory I now have a problem: -rw------- 1 gavin_im mail 1392 Oct 14 22:28 gavin_imap -rw------- 1 gavin_im popusers 0 Oct 14 21:54

Didn''t have quite enough space to describe it there...basically i''m having a problem with the :uniq option in my tags. I''m using acts_as_taggable_on_steroid which adds these associations to my Resource class: Resource has_many :taggings, :as => :taggable, :dependent => :destroy, :include => :tag has_many :tags, :through => :taggings, :uniq => true

Dear all, I have a collection of 5000 entries which represent the evolutionary rates of 3 animals. I would like to show the differences between the rates of all 3 animals and have tried using the function parallel (from the lattice package) and pairs() function. The parallel function would have been perfect save for the large number of data (5000). The pairs() function doesn't show

Email Lists wrote: > -> Once the number three, being the third number, be > -> reached, then lobbest thou thy Holy Chicken of Antioch towards thy > foe, > > Ok... after much chasing around the yard and far too much clucking > baaaagokkkkk racket... I have the chicken!!! > > Still alive I might add. :-) > > Now, where in scripture do I find this again? :-)

Hi, I have following models class User < ActiveRecord::Base has_many :addresses, :as =>:addressee, :dependent => :destroy accepts_nested_attributes_for :addresses, :allow_destroy => true end class Address < ActiveRecord::Base belongs_to :addressee, :polymorphic => true validates_presence_of :address1, :maximum => 50,:message => "Address1 cannot be

Hi Everyone - I''ve got an odd sort of error when I try to use validates_presence_of for a MySQL ''datetime'' field. Here''s the relevant portion of the table definition: mysql> describe student_surveys; +---------------------+---------------------+------+----- +---------------------+----------------+ | Field | Type | Null |

Dear R-ers, still the newbie. With a question about coordinates of a vector appearing or not in a data.frame. I have a data.frame (MyData) with 3 columns which looks like this: V1 V4 redNew red-j 10.5032 appearance blood-n red-j 9.3749 appearance ground-n red-j 10.2167