similar to: How to override ActiveRecord#base#destroy

Hi all, i''m using ActiveForm for some validations without a database. the problem is, when i start my application, I get this error: undefined method `save!'' for class `ActiveForm'' but if i refresh my browser, the application starts normally. im guessing it''s because the ActiveForm class uses some things from active record that haven''t been

I have: module MySpike extend ActiveSupport::Concern included do class_attribute :foobar, instance_writer: true end end But, I want to be able to override the class attribute writer and/or instance writer method to do something when the attribute is set via self.foobar = true before or after calling super to set the attribute. Unfortunately, I can''t find a clean way

Hi, Just wondering when one would use "include" over "extend"? Both seem to bring in methods to the class no? The context is I''m just trying to understand why both are used with the acts_as_audited plugin: Full extract from plugin (used within here): ================================================== # Copyright (c) 2006 Brandon Keepers # # Permission is hereby

Hi! I''m trying to extend ActiveRecord''s find method (Rails 1.0, Ruby 1.8.2), but I recognize a strange behaviour of the "alias_method" call. I wrote a very simple script to explain my problem: ------------------------------------------------------ module ActiveRecordExtension def self.included(base) base.extend(ClassMethods) base.class_eval do

I''m sorry -- sent this to the wrong list. ---------- Forwarded message ---------- From: Kelly Felkins <kelly.felkins-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Date: Aug 8, 2005 9:37 AM Subject: help me override ActiveRecord find? To: ruby-talk-X+L+6nJQZ58h9ZMKESR00Q@public.gmane.org I would like to add some things to the find method of activerecord, but I can''t figure out

Hi, I''m building a frontend for a legacy schema, with tables like this: CREATE TABLE `types` ( `a_type_cd` varchar(6) NOT NULL default '''', `a_type` varchar(30) NOT NULL default '''', PRIMARY KEY (`a_type_cd`) ); The primary key is specified by the user (not auto-generated), and needs to be updateable. I create the following a base class to

Hey folks, have you seen this ever? [user@i ~/rails_project]$ rake rails:update --trace (in /usr/home/rails_project) rake aborted! uninitialized constant ActiveModel::Validations::HelperMethods /usr/local/lib/ruby/gems/1.8/gems/activemodel-3.0.4/lib/active_model/ validations.rb:50 /usr/local/lib/ruby/gems/1.8/gems/activesupport-3.0.4/lib/ active_support/concern.rb:52:in `class_eval''

hi, I found a bug in ActiveRecord association SQL INNER JOIN codes. in has_many, has_one, habtm and belongs_to queries the foreign key is determined from the table name of reflection and self. but that''s worng because if you use a global prefix or suffix for your tables the foreign keys will be in format of PREFIX_CLASSNAME_SUFFIX_id which is wrong, because it breaks the advantage of

Hello, to implement some some kind of optimistic locking, I want to build a view, where an object is displayed together with a link containing the data of the displayed object. My first try looked something like <%= object.object_discription %> <%= link_to "action", :action => "take_action", :data => object %> this won''t work because object is of

I started actually using the upload progress handler, and noticed it was leaking memory over time. Looking at the code, I noticed that cancelled uploads weren''t being cleaned up. I bugged Zed about adding a request_abort callback to handlers, but I found a simple way to monkey patch that in: # config/mongrel_upload_progress.conf # yes, this file is being used with -S meaning

Actually I am using a single-service VM, but blowing away a VM just because I want to demote/promote feels like overkill. For step 3, since I’m running from source, does that change anything? re: step 4 I plan to edit the existing /usr/local/samba/etc/smb.conf and krb5.conf files, but if you think this is a bad idea then I’ll rebuild them. Thanks Paul > On 8 Feb 2016, at 16:43, mathias

Hi, for some models I found that it''s easier to share the controller new and update code just to share the view code. At the front of every such action function I have to lookup if the object already exists, if so "find" it from the database and update the "attributes=". If there is no such object, "new" it with the attributes I''ve got from the

When testing my app locally I''m getting intermittent errors which are driving me mad! The error is: NameError ((eval):1:in `alias_method'': undefined method `destroy_without_callbacks'' for class `Exercise''): Refreshing the browser sometimes fixes it, as does restarting WEBrick. Annoying to debug as it only happens intermittently. Any ideas on why this is

What is the procedure to remove a disk from a ZFS pool and remove the EFI label ? klm -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20060119/4d074b88/attachment.html>

I''m trying to enhance acts_as_nested_set. Well actually I already have, but I''ve done a hack up job of it. I would like to contribute these enhancements back, but I need a little help. I''m a complete newbie to this stuff. The only thing I new before coming into this project was vanilla HTML. So over the course of two weeks I''ve picked up Ruby, Rails, MySQL,

I know I''m missing something basic, but I need help understanding something: I have a model (User) sitting in a component. I want to extend that model from my app. I need to add in a has_many relationship and a couple of methods. I was able to mixin the methods using this: module MyUser def my_new_method # etc end end User.send(:include, MyUser::Acts::Chicken) This just

I want to override the ''tag'' method in ActionView::Helpers::TagHelper to do some generalized error handling similar to the way scaffolding puts a red border around fields that fail validation. I''ve created a file lib/rails_patches/tag_helper.rb which contains the following. module ActionView module Helpers module TagHelper alias_method :orig_tag, :tag

I''ve monkey patched this behavior into a gem and I was wondering if core would be interested in a PR to add Module#prepend support to ActiveSupport#Concern. I''ll add tests of course. The code is here: https://github.com/dockyard/easy_auth/blob/master/lib/easy_auth/active_support/concern.rb My monkey patch work for what I''m trying to do but I suspect a better

Hello, I needed to add custom cache field for one of my application. I thought I will share the code showing how to do this. This code below creates and maintain a custom cache field, for keeping track of totals. Say, you have accounts, and for each account there are transactions (either deposit/withdrawal), and one will like to keep track of the total balance for an account. So, let there be a

append_features(mod) The documentation says: When this module is included in another, Ruby calls append_features in this module, passing it the receiving module in mod. Ruby’s default implementation is to add the constants, methods, and module variables of this module to mod if this module has not already been added to mod or one of its ancestors. See also Module#include. What if this module is