similar to: Just update 1 field

Hi there, How is it possible to get access to an ApplicationController property from a view? Consider this (simplified) situation: class ApplicationController < ActionController::Base def folder_id @folder_id = params[:id] return @folder_id end end class FolderController < ApplicationController def show @folder = Folder.find_by_id(folder_id) end end So far,

Hi All, I''m trying to prevent users from deleting a folder that has contents like this: class Folder < ActiveRecord::Base has_many :myfiles has_many :folders belongs_to :folder validates_uniqueness_of :name, :scope => "folder_id" before_destroy :dont_destroy_folder_with_contents def dont_destroy_folder_with_contents if Folder.find(id) != nil ||

Hi, There is something I don''t understand about :dependent => :destroy. I hope someone can help me. Consider this code: class Folder < ActiveRecord::Base has_many :myfiles has_many :folders has_many :group_folders, :dependent => :destroy validates_uniqueness_of :name, :scope => "folder_id" validates_presence_of :name before_destroy

It seems that my realtime is not assigning channel variables correctly. INFO Asterisk 1.6.0.26 Exten.conf exten => _X.,1,NoOp() exten => _X.,2,Set(DEVICE=${CUT(CHANNEL,,1)}) exten => _X.,3,Set(NULL="${REALTIME(agents,device,${DEVICE})}") exten => _X.,4,NoOp(DEVICE is ${DEVICE}) exten => _X.,5,NoOp(USERNAME is ${USERNAME}) exten => _X.,6,NoOp(username is

I''m in progress of making a little folder system with Ruby on Rails. I''ve got a "folders" table. Each "folder" has got an id and a folder_id. The folder_id is supposed to represent the folders'' parent folder. How can I tell Rails? I would like Rails to automaticly delete all subfolders of a folder when I delete the folder it self. Any ideas? --

Hello, I have table called ''listings.'' There are a certain combination of properties which make a listing viewable (e.g., it is confirmed, has been authorized, hasn''t expired, etc.). Each listing has one and only one category. I want to be able to do things like Listing.find_viewable(...) and Category.find(...).viewable_listings, but I see no way to do this

Hi Folks! I''m new in the forum and i have a doubt. The button back function with the Ajax on Rails? tks. -- Posted via http://www.ruby-forum.com/.

I am designing an application to run a fishing tournament I am hosting. Each fish entered will be given a point total based on the length of the fish and the species of fish. Each species has a point multiplier. For Example Trout have a multiplier of 10 so a 20 inch Trout would have a score of 200. My conundrum is in where and when do I calculate the points. The options I have come up

I am breaking ground on a new project and one of the issues I expect to encouter is the ability of users to define their own columns. For example, one of the features of this application will be the ability to store information about people''s skills and then search for and schedule them based on this information. Since every organization''s needs are different, it would be ideal

Question for you all is it possible to use an action in an if statement? I am using the same form for edit and new and I have a cancel button on the page. This cancel button is built with an if statement that looks right now to see if a parameter exists to define where to go back to if the user cancel. The problem occurs when the user submits the form and there are missing fields by

Hello everyone, I''m using multi-search to search in some attributes of two classes. One of the attributes is the id of the customer. For each multi_search I want to do a give the id of the current customer as a parameter. This should only return results for the given customer. My current code looks like this: Folder.multi_search(@search_query, [Myfile]) I noticed in the API you can

Hi all, I have a question about this method in my User model: # Returns true for the (saved) user called "admin" def is_the_administrator true if save and name == "admin" end The method returns true if the user''s name is admin. However, I only want to return true if the state of the object is "saved", so I call the save method first. I''m

I am now trying to get rcov to work for me, without much success. I stole the rake task code from the cucumber site: desc "Run all features" task :features => "features:all" task :features => ''db:test:prepare'' require ''cucumber/rake/task'' #I have to add this -mischa namespace :features do Cucumber::Rake::Task.new(:all) do |t|

A client of mine has a ton of data stored in Excel spreadsheets. I''m building a web application for her (backed by a real db of course) and want to import all that data. Is there a library available to read data from Excel? Is there an easy way to upload the spreadsheets and then read the data? Thanks, Ken Kousen -- Kenneth A. Kousen, Ph.D. President Kousen IT, Inc.

Hi, An absolute newbie to RoR, I''m currently going through a few of the excellent tutorials that are available on the subject. One of these includes running a script for creating a mySQL table. In the command prompt (XP), I try mysql depot_development <db/create.sql but get the following error: ''mysql'' is not recognized as an internal or external command,

For an Xray file system patients have folders and folders have studies. That is: patients folders studies id id id name patient_id folder_id ... label type ... ... The list of studies with their associated folder and patient might look like this: name folder_label study_type

Hi! There''s something I don''t understand yet about static/private methods. I hope someone can explain... E.g.: class SayHello def hello(who) puts "Hello, " + who + "!" end def self.say(words) puts words end end hello = SayHello.new hello.hello "World" : Hello World! hello.say "hi" : Error SayHello.say

Hi folks, I''m a newbie in the Ruby land, The Ruby language and RoR looks really great but I think in my situation there is a problem, we are an ISV that sells web application and we don''t want our clients see our source code, I searched the web but couldn''t find any way to compile and\or obfuscate ruby code (in web (RoR)), is there such tool available for the language?

Hi All, I am doing some research on how people start with their Rails app. What design decisions are made and how is it build. For example: - do you use scaffolding and go from there? Or do you create everything from scratch? - are you using multiple controllers? Or do you put everything in one? - do you use migrate? - how do you use migrate? Do you call migrate your self or do you use the

Hi there, I'm using this version of rsync: localhost:~ mzehetle$ /usr/local/bin/rsync --version rsync version 2.6.0 protocol version 27 Copyright (C) 1996-2004 by Andrew Tridgell and others HFS+ filesystem support for OSX (C)2004 Kevin A. Boyd <http://rsync.samba.org/> Basically incremental backup (--link-dest option) works with a destination on my local volume but not with a