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  • Invoking active_record error - can not load file in Ruby on Rails

    - by user1623624
    When I try to run rails generate scaffold test the following error always shows C:\Lab\railapps\dbtest>rails generate scaffold test invoke active_record C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:251:in `require': Please install the oracle_enhanced_adapter: `gem install activerecord-oracle_enhanced-adapter` (cannot load such file -- active_record/connection_adapters/oracle_enhanced_adapter) (LoadError) from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/dependencies.rb:251:in `block in require'" I did install gem oci8 then activerecord-oracle-enhanced-adapter. Can you help me by having a look? Thanks a lot. Version information C:\Lab\railapps\dbtest>gem list ruby-oci8 *** LOCAL GEMS *** ruby-oci8 (2.1.2 ruby x86-mingw32, 2.0.6) C:\Lab\railapps\dbtestgem list activerecord-oracle_enhanced-adapter *** LOCAL GEMS *** activerecord-oracle_enhanced-adapter (1.4.1) database.yml under configure development: adapter: oracle_enhanced database: cvrman.cablevision.com username: ruby password: ruby

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  • Application Context in Rails

    - by Sean McMains
    Rails comes with a handy session hash into which we can cram stuff to our heart's content. I would, however, like something like ASP's application context, which instead of sharing data only within a single session, will share it with all sessions in the same application. I'm writing a simple dashboard app, and would like to pull data every 5 minutes, rather than every 5 minutes for each session. I could, of course, store the cache update times in a database, but so far haven't needed to set up a database for this app, and would love to avoid that dependency if possible. So, is there any way to get (or simulate) this sort of thing? If there's no way to do it without a database, is there any kind of "fake" database engine that comes with Rails, runs in memory, but doesn't bother persisting data between restarts?

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  • Lazy loading of ESB in a jruby rails app

    - by brad
    I have a jruby/rails app using: jruby 1.4.0 Rails 2.3.5 ActiveMQ 5.3.0 Mule ESB 2.2.1 Currently in our environment.rb file we start up Mule in the initializer. This becomes a big pain when we go to do normal rake tasks that don't require JMS/Mule such as db:migrate as it takes a long time to startup/shutdown Mule everytime. The code is similar to this: APP_CONTEXT = Java::our.company.package.service_clients.Initializer.getAppContext(MULE_CONFIG_PATH) And we use APP_CONTEXT to fetch the bean to connect to the appropriate service. I'm trying to figure out some mechanism by which APP_CONTEXT could be lazily instantiated (not in initialize) to avoid all of the pains of having to startup Mule on initialize. Currently we have a few ruby client classes that are instantiated as a before_filter in application_controller such as @data_service = DataService.new(APP_CONTEXT) that initialize the proper java client for each request for use in our controllers. I'm open to all suggestions. I'm having a hard time trying to find the right place to put this lazy instantiation.

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  • Rails + MongoMapper + EmbeddedDocument form help

    - by Bob Martens
    I am working on a pretty simple web application (famous last words) and am working with Rails 2.3.5 + MongoMapper 0.7.2 and using embedded documents. I have two questions to ask: First, are there any example applications out there using Rails + MongoMapper + EmbeddedDocument? Preferably on GitHub or some other similar site so that I can take a look at the source and see where I am supposed to head? If not ... ... what is the best way to approach this task? How would I go about creating a form to handle an embedded document. What I am attempting to do is add addresses to users. I can toss up the two models in question if you would like. Thanks for the help!

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  • rails using jruby 1.5 - slow!!

    - by gucki
    Hi! I'm currently using passenger with ree 1.8.7 in production for a rails 2.3.5 project using postgresql as a database. ab -n 10000 -c 100: 285.69 [#/sec] (mean) I read jruby should be the fastest solution, so I installed jruby-1.5.0.rc2 together with jdbc postgres adapter and glassfish. As the performance is really poor, I also started running my application using "jruby --server -J-Druby.jit.threshold=0 script/server -e production". Anyway, I only get ab -n 10000 -c 100: 43.88 [#/sec] (mean) Thread_safe! is activated in my rails config. Java seems to use all cores, cpu usage is around 350% (top). ruby -v: jruby 1.5.0.RC2 (ruby 1.8.7 patchlevel 249) (2010-04-28 7c245f3) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_16) [amd64-java] I wonder what I'm doing wrong and how to get better performancre with jruby than with ree? Thanks, Corin

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  • Rails, JSON Object, jQuery, Auto-Complete

    - by Michael Waxman
    I'm using this jquery autocomplete plug-in with rails: http://docs.jquery.com/Plugins/Autocomplete I can't figure out how to format my results, both in my Rails controller and in my javascript file. I have something like this in my controller... @query = params[:q].downcase @json = User.all(:login => /^#{@query}/) respond_to do |format| format.js { render :json => @json.to_json(:only => "login"), :layout => false } end And then this in my script.js file... $("#form").autocomplete('/url', { width: 320, dataType: 'json', highlight: false, scroll: true, scrollHeight: 300 }) But I can't figure out how to parse the data, so my autocomplete just gets a raw array of all my results at once. How do I process the JSON in the script.js file and/or in my controller for it to work?

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  • Integrating Fedex and UPS into Rails Apps

    - by MikeH
    I'm working on integrating a shipping solution into a Rails ecommerce app. We're only going to use one shipping provider. So the question is: Fedex or UPS? I'm wondering what Rails developers think about the tech side of this question. What do you think about the APIs, ease of integration, focus on developer's needs between Fedex and UPS? I was leaning towards Fedex, but from looking at the developers resources sections of both sites, it seems that UPS might be more developer friendly. Also, I'm going to be using Shopify's active_shipping gem: http://github.com/Shopify/active_shipping And I also based my app off the Spree Ecommerce solution, but I don't think that's particularly relevant to the question. Spree wrote a wrapper to integrate active_shipping with the Spree system. I gave away all my points, so SO wont' let me post another link in this question. But if you google "Spree active-shipping", their wrapper on github is the first result. Thanks.

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  • Rails ActiveRecord BigNum to JSON

    - by Jon Hoffman
    Hi, I am serializing an ActiveRecord model in rails 2.3.2 to_json and have noticed that BigNum values are serialized to JSON without quotes, however, javascript uses 64 bits to represent large numbers and only ~52(?) of those bits are available for the integer part, the rest are for the exponent. So my 17 digit numbers become rounded off, grrr. Try the following in the Firebug console: console.log(123456789012345678) So, I'm thinking that the json encoder should be smart enough to quote numbers that are too big for the javascript engines to handle. How do I fix up rails to do that? Or, is there a way to override the encoding for a single property on the model (I don't want to_s elsewhere)? Thanks.

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  • Rails, REST Architecture and HTML 5: Cross domain requests with pre-flight requests

    - by Orion
    While working on a project to make our site HTML 5 friendly, we were eager to embrace the new method for Cross Domain requests (no more posting through hidden iframes!!!). Using the Access Control specification we begin setting up some tests to verify the behaviour of various browsers. The current Rails RESTful architecture relies on the four HTTP verbs: GET, POST, PUT, DELETE. However in the Access Control spec, it dictates that non-simple methods (PUT, DELETE) require a pre-flight request using the HTTP verb OPTIONS. In addition during testing we discovered that Firefox 3.5.8 pre-flight POST requests as well. My question is this. Is anyone aware of any project for the Rails framework working to address the issue? If not, any opinions about the best strategy to support the OPTIONS method, since it has to support the routes for all the POST, PUT, DELETE methods?

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  • Open Graph & Rails not retrieving object's URL

    - by Fred
    I'm using Rails to try and add an action for an object both defined for my app on the open graph. I am using an :after_filter in my controller to call the following after session#create: @graph.put_connections('me', 'workkout:complete', :session => url_for([@plan, @session])) I am getting the following back from Facebook: {"error":{"type":"Exception","message":"Could not retrieve data from URL.","code":1660002}} I have checked that the correct URL is passed to put_connections, and when I visit this URL using Facebook's Lint tool, everything is correct. I can't understand why this isn't working, my only thought is that Facebook is hitting the URL moments before rails has generated the object? - not sure if that's even possible though. Can anyone shed any light on this?

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  • Programatically Create Controller in Rails

    - by Trey Bean
    What's the best way to dynamically create a controller in Rails. I've got a class that needs to generate a bunch of controller that inherit from it. I could just create a bunch of files in /app/controllers, but they'd all be basically empty files. There's got to be a way to generate these classes dynamically and have them treated like other controllers in Rails, e.g. reloaded correctly in dev mode. I tried putting this in a config/initializer: FL.contact_types.each do |contact_type| controller_name = "#{contact_type.pluralize}Controller" Object.const_set(controller_name.to_sym, Class.new(ContactsController)) unless Object.const_defined?(controller_name.to_sym) end This worked, but I run into the dependency/reload problem and get “A copy of AuthenticatedSystem has been removed from the module tree but is still active” since the ContactsController inherits from ApplicationController which includes AuthenticatedSystem. Is creating a bunch of empty files really the best solution?

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  • Is Rails default CSRF protection insecure

    - by schickb
    By default the form post CSRF protection in Rails creates an authenticity token for a user that only changes when the user's session changes. One of our customers did a security audit of our site and flagged that as an issue. The auditor's statement was that if we also had a XSS vulnerability that an attacker could grab another user's authenticity token and make use of it for CSRF attacks until the user's session expired. But is seems to me that if we had an XSS vulnerability like that an attacker could just as easily grab another user's session cookie and login as that user directly. Or even just make call to our REST Api as the user being attacked. No secondary CSRF attack needed. Have I missed something? Is there a real problem with the default CSRF protection in Rails?

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  • Action Mailer Confirmation Emails - Ruby on Rails...

    - by bgadoci
    I have successfully installed the Clearance Gem from ThoughtBot. Clearance sends a confirmation email upon a new sign_up and suggests adding: config.action_mailer.default_url_options = { :host => 'localhost:3000' } to your /environments/test.rb and development.rb. I have tried this and also config.action_mailer.default_url_options = { :host => '127.0.0.1', :port => 3000 } But can't seem to get rails to send the email. As I am new to both Ruby and Rails, I am wondering if there is some step/config that ThoughtBot is assuming I have already done to send emails. What am I doing wrong/missing? UPDATE: Just added notifier.rb class Notifier < ActionMailer::Base recipients recipient.email_address_with_name bcc ["[email protected]"] from "[email protected]" subject "New account information" body :account => recipient end end

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  • Advanced Rails Routing of short URL's and usernames off of root url

    - by Michael Waxman
    I want to have username URL's and Base 58 short URL's to resources both off of the root url like this: http://mydomain.com/username #=> goes to given user http://mydomain.com/a3x9 #=> goes to given story I am aware of the possibilities of a user names conflicting with short urls, and I have a workaround, but what I can't figure out is the best way to set this up in rails. Can I do it in rails routes? Should I do something with a piece of Rack middleware? Should I set up a routing controller? Please let me know the best way to do this. Thanks so much!

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  • Evaluating points in time by months, but without referencing years in Rails

    - by MikeH
    FYI, There is some overlap in the initial description of this question with a question I asked yesterday, but the question is different. My app has users who have seasonal products. When a user selects a product, we allow him to also select the product's season. We accomplish this by letting him select a start date and an end date for each product. We're using date_select to generate two sets of drop-downs: one for the start date and one for the end date. Including years doesn't make sense for our model. So we're using the option: discard_year => true When you use discard_year => true, Rails sets a year in the database, it just doesn't appear in the views. Rails sets all the years to either 0001 or 0002 in our app. Yes, we could make it 2009 and 2010 or any other pair. But the point is that we want the months and days to function independent of a particular year. If we used 2009 and 2010, then those dates would be wrong next year because we don't expect these records to be updated every year. My problem is that we need to dynamically evaluate the availability of products based on their relationship to the current month. For example, assume it's March 15. Regardless of the year, I need a method that can tell me that a product available from October to January is not available right now. If we were using actual years, this would be pretty easy. For example, in the products model, I can do this: def is_available? (season_start.past? && season_end.future?) end I can also evaluate a start_date and an end_date against current_date However, in setup I've described above where we have arbitrary years that only make sense relative to each other, these methods don't work. For example, is_available? would return false for all my products because their end date is in the year 0001 or 0002. What I need is a method just like the ones I used as examples above, except that they evaluate against current_month instead of current_date, and past? and future months instead of years. I have no idea how to do this or whether Rails has any built in functionality that could help. I've gone through all the date and time methods/helpers in the API docs, but I'm not seeing anything equivalent to what I'm describing. Thanks.

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  • New to Rails. Doubt in Big URL Routing

    - by Gautam
    Hi, I have just started learning ruby on rails. I have a doubt wrt routing. Default Routing in Rails is :controller/:action/:id It works really fine for the example lets say example.com/publisher/author/book_name Could you tell me how do you work with something very big like this site http://www.telegraph.co.uk/sport/football/leagues/premierleague/chelsea/ Could you let me understand about the various controllers, actions, ids for the above mentioned url and how to code controller, models so as to achieve this. Could you suggest me some good tutorials when dealing with this big urls. Looking forward for your help Thanks in advance Gautam

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  • Designing Web Service Using Ruby on Rails - Mapping ActiveRecord Models

    - by michaeldelorenzo
    I've put together a RoR application and would now like to publish a RESTful web service for interacting with my application. I'm not sure where to go exactly, I don't want to simply expose my ActiveRecord models since there is some data on each model that isn't needed or shouldn't be exposed via an API like this. I also don't want to create a SOAP solution. My application is built using Rails 2.3.5 and I hope to move to Rails 3.0 soon after its released. I'm basically looking for a way to map my ActiveRecord models to "models" that would be exposed via the web service. Is ActiveResource the correct thing to use? What about ActionWebService?

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  • rails nested attributes

    - by user342798
    I am using rails 3.0.0.beta3 and I am trying to implement form with nested attributes using :accepts_nested_attributes_for. My form is nested to three levels: Survey Question Answer. Survey has_many Questions, and Question has many Answers. Inside the Survey model, there is :accepts_nested_attributes_for :questions and inside the question mode, there is :accepts_nested_attributes_for :answers Everything is working fine except when I add a new answer to an existing question, it doesn't get created. However, if I make changes to the corresponding question while creating the answer, I can successfully create the answer. This example is exactly similar to a railscast: http://railscasts.com/episodes/197-nested-model-form-part-2 but doesn't work in rails3 (at least in my case). Please let me know if there is any issue with nested attributes in Rails 3. Thanks in advance.

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  • How to upgrade ruby and rails in mac os snow leopard

    - by devlim
    I want to upgrade my Mac Snow Leopard ruby from 1.8.7 to 1.9.1 version, anyone know the painless and best way to upgrade? because i read some forum/post/blog/discussion say that is it not good to override the ruby that ship by apple and what the best way to upgrade rails from version 2.2.2 to 2.3.8? because all the information that i find either is for leopard/tiger only & few complicate article for snow leopard. and they also say is it not good to override the rails that ship by apple. anyone can help me? Thank.

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  • Rails STI: SuperClass Model Methods called from SubClass

    - by Karl
    I would like a little confirmation that I'm doing this correctly. Using rails single table inheritance I have the following models and class method: class PhoneNumber < ActiveRecord::Base def self.qual?(number) klass = self klass.exists?(:phone_number => phone_number) end end class Bubba < PhoneNumber end class Rufus < PhoneNumber end Bubba.qual?("8005551212") Tests pass and everything seems to work properly in rails console. Just wanted to confirm that I'm not headed for future trouble by using self in the superclass PhoneNumber and using that to execute class methods on subclasses from the parent. Is there a better way?

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  • Did test server port change in Rails 2.3?

    - by kareem
    I upgraded rails to 2.3.2 from 2.1.1 yesterday and a bunch of my tests started failing. When I was running under 2.1.1, the test server was running on port 3000 so I had a HOST_DOMAIN variable that included the port - HOST_DOMAIN = "localhost.tst:3000". This is so my assert_redirected_to's would succeed. Now, however, it seems that the test server is running on port 80, so the port in HOST_DOMAIN is causing tests to fail. There's no specific reason I'm keeping the port in HOST_DOMAIN. I more want to know whether something in Rails 2.3 changed the port the test server runs on and where I can read more about why. I've searched a ton and can't find anything, so I'm going to my go-to place to ask development questions :) Thanks in advance.

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