similar to: Trimming a collection of AR objects?

Hi everyone! For those of you who are not noticed the in-place edit method for collection associations are broken in the current rails release - 4.0.0, and here''s what is cooking in the rails master https://github.com/rails/rails/commit/1a40be02113287d9a003f8224e91b9f623857f4b and this https://github.com/rails/rails/pull/12227 In short: it looks like things like has_many.reject!{},

I''m using Rails-1.1.4 with Ruby-1.8.4 So let''s say I have 2 model classes: class Item has_and_belongs_to_many :things end class Thing has_and_belongs_to_many :items end i = Item.new i.things << Thing.new( :value => "Something").save i.things << Thing.new( :value => "Something Else" ).save i.save Fine, now I have two records in the

How can I get a list of all model classes in the domain of a Rails application (all models, both in "app/models" and in components/somedir/model.rb)? Thanx in advance for your precious help! Edoardo "Dado" Marcora

I tried to user delete_if on an association: class Group < ActiveRecord::Base has_many :memberships, :dependent => :destroy has_many :users, :through => :memberships ... end This is the controller method, trying to use delete_if. Although some elements are removed (s2 < s1), the save method does not update the association. def intersect_or_remove_group other_group =

I am saving an array of active record objects (college courses) in the session as session[:course_list]. This is the cart for a registration controller. If a student chooses to delete the course from the list I get the :id as params[:id]. However if I do session[:course_list].delete_if {|x| x.id ==params[:id]} does not work. session[:course_list].delete_at(idx) works. Ocourse to do this I have

If I try: @article.article_groups.delete_if {|x| x.group_id == x.group_id } It does nothing. If I try: articletmp.article_groups.each{ |x| @article.article_groups.delete(y) } It deletes some of the groups. @article.article_groups.clear works. Why dosn''t the to first examples work as expected?? Do I have to put groups I don''t want to

Hi all, Are there any helpers or so for listview routines that suppres the three above mentioned columns? I''m currently exploring something like the code below. But it feels like I''m doing Rails'' work. # just for test purposes <div id="debug"> <% for col in Product.columns.map %> <%= col.name %> - <%= col.type %><br/> <%

I need help to optimize a query (sort of ...) if params[:debit] == "on" @schools = School.find(:all, :conditions => ["name like ?", "%#{params[:search]}%"], :order => ''name'') @schools.delete_if { |s| s.debit <= 0 } @school_pages = Paginator.new self, @schools.length, 20 The problem here is that

I''ve created an array of hashes in UserController#initialize to describe a menu: @menu_array = [ {:menu => ''home'', :controller => ''home'', :action => ''send_home''}, {:menu => ''user list'', :action => ''list''}, {:menu => ''login'', :controller =>

I''ve got a publications table that contains an author_id foreign key and a pubrole_id foreign key. What I want to do is query the DB using AR so that I can get a list of all publications that belong_to a particular author, and group the results by the pubrole.role_name (Author, Joint Author, Editor, etc.) so that the results look something like: Author book1 info book2 info etc.

Hey all, I''m learning AR and I''m trying to find the best way to search an ActiveRecord set in order to make a conditional statement decision, something like .has_value?(value) but for a multi-dimensional array like an AR set of like 100 rows. I know I can do something like this: results = Table.find_by_sql("...") for result in results if

I have a constant set up like that : ALL_LOCALES => {"it"=>"Italian", "fr"=>"Français", "de"=>"Deutsch", "en- GB"=>"English (UK)", "es"=>"Español (España)", "pt-PT"=>"Português", "pl"=>"Polski", "en-US"=>"English

Hi, When we update a record via an update form, is there an easy way to find out the fields that have been changed. If the update is successful, i want to display: The following fields have been changed: field-name = new-value ... Thanks, Lantis. -- Posted via http://www.ruby-forum.com/.

Hi! I have a class that derives from nothing and is located in /models. I''m using " my string ".chars to manipulate strings that potentially contain special chars and replace them with an US-ASCII equivalent. It did work until yesterday. Now on a linux system "a".chars returns #<Enumerable::Enumerator:0xb74e3d6c> While it should return

Hello, I am trying to achieve a search functionality in the following manner i have an table called people which has first_name,last_name,etc... After the user form to search people is submitted i get the params hash as params[:persons]={"first_name"=> "%John%","last_name"=>"%Stevens%"} NOTE : I have changed the params hash to include the %. Now

Today I tried to remove (actually overwrite) a validation from a model, from within a plugin. This was the original validation: validates_length_of :login, :maximum => 30 This was the only code I could come up with to replace it: def self.included(base) base.class_eval do @validate_callbacks.delete_if { |callback| begin # Sorry, only way to remove

I have this in my controllers/application.rb: class ApplicationController < ActionController::Base ... def datebalk! # set regexp for datebalks generated attributes c = /.*__dteblk/ # Remove datebalks generated attributes from params hash delete_if { |k, v| c =~ k.to_s } end ... end When I call this from client_controllers.rb in this fashion: # need this to strip

subject: trimmed mean in R seems to round the trimming fraction to r-help at stat.math.ethz.ch. Consider the following example of 10 numbers. 10% trimmed mean is correct but you can see that the result is the same for many trimming fractions till 0.20! For example 13% trimmed mean should use interpolation of second and eighth ordered observation. R does not seem to do this. The correct 13%

Hello! I need to supress the logging of params for certain actions, i.e. I don''t want the params hash to show up in one of my actions. Does anyone know how to do that? Thanks, Rob -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060716/62b2e2d5/attachment.html

In my form I have these items: <%= select_year Date.today, :start_year => Schoolyear.get_startdate.year, :end_year => Schoolyear.get_enddate.year %> <%= select_month Date.today.month %> No matter what I do, in my controller I can''t seem to access the selected year and month. I have tried params[:month].to_s and also