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  • One way Has-Many-Through

    - by Hock
    Hello, I have a Category, a Subcategory and a Product model. I have: Category has_many Subcategories Subcategory has_many Products Subcategory belongs_to Category Product belongs_to Subcategory Is there a way to have something like Category has_many Projects through Subcategories ? The 'normal' rails way wouldn't work because "subcategory" doesn't belongs to product so product does not have a subcategory_id field. Instead, I need the query to be something like SELECT * FROM products WHERE id IN category.subcategory_ids Is there a way to do that? Thanks, Nicolás Hock Isaza

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  • QuickTimeX in Applescript / Scripting Bridge

    - by JP
    I'd like to be able to grab the metadata of the currently playing file in Quicktime X using ScriptingBridge and Ruby, so far I have the following code require 'osx/cocoa' OSX.require_framework 'ScriptingBridge' @app = OSX::SBApplication.applicationWithBundleIdentifier("com.apple.QuickTimePlayerX") @app.documents.each do |movie| # What now?! end But I can't find any functions in QuickTime X's applescript dictionary to get the metadata from a document object (the same data you can see in QT's 'Show Movie Inspector' HUD) — does anyone have any ideas?

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  • Thin & Sinatra not taking port

    - by NekoNova
    I'm having problems settig up my application using Thin and Sinatra. I have created a development-config.ru file that contains the following settings: # This is a rack configuration file to fire up the Sinatra application. # This allows better control and configuration as we are using the modular # approach here for controlling our application. # # Extend the Ruby load path with the root of the API and the lib folder # so that we can automatically include all our own custom classes. This makes # the requiring of files a bit cleaner and easier to maintain. # This is basically what rails does as well. # We also store the root of the API in the ENV settings to ensure we have # always access to the root of the API when building paths. ENV['API_ROOT'] = File.dirname(__FILE__) $:.unshift ENV['API_ROOT'] $:.unshift File.expand_path(File.join(ENV['API_ROOT'], 'lib')) $:.unshift File.expand_path(File.join(ENV['API_ROOT'], 'db')) # Now we can require all the gems used for the entire API by simpling requiring # them here. We can also include the classes that we have defined inside the lib # folder. require 'rubygems' require 'bundler' # Run Bundler to setup our gems properly. This will install all the missing gems on # the system and ensure that the deployment environment is ready to run. Bundler.require # To make the loading easier for the application, we will now automatically load all # models that have been defined inside the lib folder. This ensures that we do not need # to load them anymore anywhere else in our application, as the models will be known to # ruby everywhere. Dir.glob(File.join(ENV['API_ROOT'], 'lib', '**', '*.rb')).each{|file| require file} # Now we will configure the Sinatra application so that we can fire up the entire API. # This requires some detailed settings like whether logging is allowed, the port to be # used and some folder locations. require 'sinatra' require 'app' set :logging, true set :dump_errors, true set :port, 3001 set :views, "#{ENV['API_ROOT']}/views" set :public_folder, "#{ENV['API_ROOT']}/public" set :environment, :test # Start up the Sinatra application with all the settings that we have defined. run App.new This is based upon the information I found on the Sinatra website. However, the problem is that I cannot get the application running on port 3001. If I use thin start -R development-config.ru it runs on port 3000. If I use rackup config-development.ru it runs on port 9696. However I never see Sinatra kick in or run over port 3000. My application looks like this: # Author : Arne De Herdt # Email : # This is the actuall application that will be running under Sinatra # to serve the requests for the billing middleware API. # We use the modular approach here to allow control when deploying # the application using Capistrano. require 'sinatra/base' require 'logger' require 'savon' require 'billcrux' class App < Sinatra::Base # This action responds to POST requests on the URI '/billcrux/register' # and is responsible for handeling registration requests with the # BillCrux payment system. # The post "/billcrux/register" do # do stuff end end Can someone tell me what I am doing wrong?

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  • More elegant way to write this?

    - by tesmar
    Hi, I am trying to make a multi-dimensional array of characters in ruby, and this works, but is there a more elegant way? def initialize(text) @map = Array.new i = 0 text.split("\n").each do |x| @map[i] = x.scan(/./) i += 1 end #@map = text end#constructor

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  • Problem with writing a file to excel with spreadsheet

    - by winter sun
    I am trying to write excel file by using ruby 1.9 spreadsheet version 0.6.4.1 on windows. Everything is going ok, until I get to the book.write statement when I write book.write "c:/spreadsheet/excel-file.xls I keep getting the following error No such file or directory - c:/spreadsheet/excel-file.xls Can anyone tell me what I should change in this path name?

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  • What is called a rakefile ?

    - by Bragaadeesh
    Hi, I have started learning Ruby and just tried out my first hello world program in NetBeans IDE. I have one doubt, I can see that the new project wizard created set of package structure. It had one "Rakefile" in it. What does that mean and what is the use of it? Thanks, Bragaadeesh.

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  • PayPal Payments Pro Sandbox requires membership?

    - by Kevin
    Do I need to pay the $30 just to play around in the sandbox for Website Payments Pro? I'm trying to get Active Merchant working in Rails, and it's giving me an error "invalid merchant configuration"... after digging around a bit it says I need to "accept the billing agreement" and/or sign up for the Payments Pro first. So, do I need to pay the $30 just to test in sandbox? Or is there another workaround for this error?

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  • How can I override the attribute assignment in an active record object?

    - by ryeguy
    I know you can do this with virtual attributes, but what if the column actually exists? For example, my model has a raw_topic column. When raw_topic is set, I want artist and song_title to be set based off of raw_topic's contents. Ideally, I'd like to override the raw_topic= method, but rails doesn't seem to like that. What's the proper way of doing this? Is a callback the only way?

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  • Should I be using callbacks or should I override attributes?

    - by ryeguy
    What is the more "rails-like"? If I want to modify a model's property when it's set, should I do this: def url=(url) #remove session id self[:url] = url.split('?s=')[0] end or this? before_save do |record| #remove session id record.url = record.url.split('?s=')[0] end Is there any benefit for doing it one way or the other? If so, why? If not, which one is generally more common?

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  • Ignoring a character along with word boundary in regex

    - by DavidP6
    I am using gsub in Ruby to make a word within text bold. I am using a word boundary so as to not make letters within other words bold, but am finding that this ignores words that have a quote after them. For example: text.gsub(/#{word}\b/i, "<b>#{word}</b>") text = "I said, 'look out below'" word = below In this case the word below is not made bold. Is there any way to ignore certain characters along with a word boundary?

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  • Easiest way to split up a large controller file

    - by timpone
    I have a rails controller file that is too large (~900 lines - api_controller). I'd like to just split it up like something like this: api_controller.rb api_controller_item_admin.rb api_controller_web.rb I don't want to split into multiple controllers. What would be the preferred way to do this? Could I just require the new parts at the end? like: require './api_controller_item_admin' require './api_controller_web'

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  • I see gem in "gem list" but have "no such file to load"

    - by lublushokolad
    I am on Ubuntu10 sudo apt-get install ruby1.9.1-full then download sources of rubygem 1.3.7 and install it sudo ruby setup.rb then, for example, install sinatra sudo gem install sinatra Finally open irb and type require "rubygems" require "sinatra" and get error LoadError: no such file to load -- sinatra from (irb):2:in `require' from (irb):2 from /usr/bin/irb:12:in `<main>' Gem.path is the same to INSTALLATION DIRECTORY from "gem environment"

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  • Nginx: check content-length before file upload takes place

    - by robw
    I'm trying to prevent users from uploading (accidentally or maliciously) very large files to my website. I have nginx max_client_body_size set to 4M, but if a file larger than this is uploaded, then it uploads the entire file before returning 413 (entity too large). I want to make nginx check the Content-Length header, so that it rejects the request before it's uploaded. Alternatively, a Rails solution would also be acceptable. Any help appreciated.

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