similar to: how to put the model class in module?

I''m very new to Ruby and to Rails. I''m coming from PHP and CakePHP. I would like to create a base model from which all other models will inherit from. I have done this: class AppModel < ActiveRecord::Base end and class Post < AppModel end I''m getting the following error: Table ''blog_development.app_models'' doesn''t exist My

Hello, i''m new in ruby rails framework. I have the following problem. I try to create a scaffold for a certain model of my db, but since ruby rails doesn''t assume the table name corectly (its incidents_reported ) i get errors .... Besides renaming the table :) is there a way to ''tell'' ruby rails the name of the table? I haven''t been able to find any

Hi all, I''m running Rails on top of a Mongrel cluster. I have several model classes that are going to have so many records it is not feasible to keep them all in the same table. So I''ve split out the records into many different tables, each with its own suffix which corresponds to the id of the model to which all records in that particular table belong. For example,

I''m trying to find all the unique bill_number, status records in Bills table. I can do it with a find_by_sql statement like this: @records = Bill.find_by_sql( "select distinct bill_number, status from bills group by bill_number, status;") How would I rewrite it using ''find :all

Hi, I'm trying to find out what threshold of indicator value in labadsv should be used to accept a specie as an indicator one? So far I assumed that indval=0.5 is high enough to avoid any mistakes but it was based only in my intuition. I'd be greatful for any advise best regards Agnieszka

I think I am missing something terribly obvious. Is it possible to have an :expects parameter for a webservice that is an array of objects? I want to have a single webservice that expects all my line items (for an order). Is this something that is possible? -- Posted via http://www.ruby-forum.com/.

hello all, quick question: how can I find out if a given string matches the name of an ActiveRecord derived class? thanks in advance alan

All, While attempting to use ActiveRecord against a large database, approx. 1700 tables and 4 million rows, I discovered an inefficiency in oci_adapter.rb. The problem seems to be the SQL being generated to lazy-load the columns metadata. "def columns(table_name, name = nil)" method generates the following SQL: select column_name, data_type, data_default, nullable,

Ok, I''m hoping this won''t be a forehead slapper, but take a look at this code: physician.name.sub(/''/, "\\''") I''m trying to substitute a single quote with a backslash and a single quote. This seems pretty simple right? Well, someone kick me and tell me why it''s not :) Here''s what I''m getting if the

hello! I have a problem when I want to display data in Unicode from database. I read <a href="http://ruphus.com/blog/2005/06/23/getting-unicode-mysql-and-rails-to-cooperate/">this tutorial</a> but I still have problem with non-English characters. I don''t have any other idea what I should do. Did you meet with similat problem? Have you got any idea? Thanks in

I''m returning some rows from a tags database that look like this: ID WORDS 1. apple banana pear 2. banana melon 3. apple peach lime What I want to do with that data is use the .split method to divide them into separate values in an array, then use the .uniq method to return a unique list of the words like so: apple, banana, pear, melon, peach, lime So in my controller I

Hello, this is a typical "how do you do it in Rails" question :) I would like to incorporate fit testing into a RoR app and I''d like to hear your recommendations on how to do it. In the ideal world I would like all the table test definitions and implementations stored in svn together with the app, ability to run the tests with a rake task + a hook to FitNesse, so that

Hi, I have a strange problem with testing classes which have a HABTM relation. It seems that while running my tests with rake the fixture for the association table is not loaded - as a result I get a failure on a test which simply checks the number of associated elements - it says it''s 0 although there should be one. The weird thing is that when I run the tests with rcov

Hi, I'd like to perform Dufrene-Legendre Indicator Species Analysis for a multivariate regression tree. However I have problems with arguments of duleg(veg,class,numitr=1000)function. How to obtain a vector of numeric class memberships for samples, or a classification object returned from mvpart? thanks in advance -- Best regards, Agnieszka Strzelczak

Hi, I read the example in http://wiki.rubyonrails.com/rails/pages/HowtoUseMultipleDatabases, it show us how to connect to other database, each time we start a new action, however, this doesn''t work while you try to connect to two different database within the same action. SO I wonder is it possible to bind to two or more database within the same action???? Thanks you very much Saiho

I am getting the following error /usr/lib/ruby/gems/1.8/gems/activerecord-1.14.2/lib/active_record/base.rb:1129:in `method_missing'': undefined method `directory?'' for Msg::File:Class (NoMethodError) I have a model called Msg::File in models/msg/file.rb, and I have a file in lib/msg/helper.rb which references to both Msg::File and File.directory? How do I help activerecord

Hello, I''ve a model defined as class Account < ActiveRecord::Base end This maps a mysql table Accounts. I want to be a able to dynamically change this model. During the life of my app, the table Accounts may change name, how do I do a set_table_name not within account.rb? -- Posted via http://www.ruby-forum.com/.

I tried to use a before_save and use simple_format, it returns and undefined method error. Can I even use these methods within a model? I tried to use auto_link and it failed too. What am I doing wrong? Furthermore, would it be recommended I format text before saving it to the database? Advantages or disadvantages? -- Posted via http://www.ruby-forum.com/.

Hi, I have a problem concerning discrepances between R (which I use) and Statistica (which uses my supervisor). I can't say what is the origin of these differences but unfortunately my supervisor doesn't know that either. Our response variable is number (or presence/absence) of parasites in rodents and explanatory variables are presence/absence of several alleles. The rodents were

How can I pass something to set_table_name so that I can switch tables on the fly for accessing archive data? If I could access sessions inside a model I would do something like: if @session[:current_period] set_table_name "statistics_" + @session[:archive_year] else set_table_name "statistics_" + Date.now.year end But since I cannot access the session from within a