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• How to setup default attributes in a ruby model

  - by webdestroya

  I have a model User and when I create one, I want to pragmatically setup some API keys and what not, specifically: @user.apikey = Digest::MD5.hexdigest(BCrypt::Password.create("jibberish").to_s) I want to be able to run User.create!(:email=>"[email protected]") and have it create a user with a randomly generated API key, and secret. I currently am doing this in the controller, but when I tried to add a default user to the seeds.rb file, I am getting an SQL error (saying my apikey is null). I tried overriding the save definition, but that seemed to cause problems when I updated the model, because it would override the values. I tried overriding the initialize definition, but that is returning a nil:NilClass and breaking things. Is there a better way to do this?

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• Ruby on Rails: strange voting increment behavior

  - by Justin Meltzer

  So I have an up and a downvote button that inserts a vote with a value of 1 or -1 into the database. This works correctly. Then, I display the total vote count for that element by summing up its votes' values. However, this isn't working correctly, because the vote sum display is acting really strange: The first vote on a video doesn't seem to increment it at all. Then the second vote does. If I go from an upvote to a downvote, it increments up once, and then the next downvote is down. This is difficult to explain, but maybe you can figure out what is wrong with my code. I have this function in my Video model (the element that is voted on, it has_many video_votes): def vote_sum read_attribute(:vote_sum) || video_votes.sum(:value) end I also have this in my VideoVote model: after_create :update_vote_sum private def update_vote_sum video.update_attributes(:vote_sum => video.vote_sum + value) end What am I doing wrong?

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• Include params/request information in Rails logger?

  - by Dan Hill

  Hi everyone, I'm trying to get some more information into my Rails logs, specifically the requested URI or current params, if available (and I appreciate that they won't always be). However I just don't seem able to. Here's what I've done so far: #config/environments/production.rb config.logger = Logger.new(config.log_path) config.log_level = :error config.logger.level = Logger::ERROR #config/environment.rb class Logger def format_message(level, time, progname, msg) "**********************************************************************\n#{level} #{time.to_s(:db)} -- #{msg}\n" end end So I can customize the message fine, yet I don't seem to be able to access the params/request variables here. Does anyone know if this is possible, and if so how? Or if there's a better way to get this information? (Perhaps even something Redis based?) Thanks loads, Dan

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• Rails 3 Beta 2, Haml, Nested Layouts and LocalJumpError

  - by CJ Bryan

  Alright, I'm trying to create an app with nested templates. I'm using Rails 3 Beta 2 and Haml. I've poked around and I've decided to take the clearest approach and have structured my templates like so: # application.html.haml !!! %body %h1 Outermost Template = yield(:foobar) # inner.html.haml - content_for :foobar do %h2 Inner Template = yield = render :file => 'layouts/application' # foo_controller.rb layout 'inner' With all of this, I get a LocalJumpError with the message no block given. The stack traces are blank and pretty unhelpful. Any ideas? Are these known issues?

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• Routing Users to single Models with Rails

  - by Eric Koslow

  I'm creating a Rails app for students and high schools and I'm having some trouble with my User.rb. I want to have a user model to be used for logging in, but having that user have many roles. The tricky part is that I want users that have a student role to have_one student page, and those that have a role of principal to have_one high_school page. The students and also nested in the high_school so the entire thing becomes a big mess. So my question(s): How do I limit a user to only creating one student / high school to represent them? Also how would I nest this student pages inside the highschool without screwing up the user system? My environment: Rails3 and Ruby 1.9.2dev Thank you!

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• Creating a specialised view filtering form in Rails

  - by Schroedinger

  G'day guys, I have a current set of data, and I generate multiple analyses of this data (each analysis into its own active record item called a pricing_interval) using a helper function at the moment. Currently to analyse the set of data, you need a start time(using datetime_select) an integer (using text_field) and a name (using text_field) I would like on submission of the form to be redirected to the index page of my pricing_interval, as the values will be re-generated. Manually generating a range proves that my helper methods work. How would I build a form that on submit would send parameters to a function in the form of (date,integer,name) so that it could immediately begin work whilst redirecting the user to server/pricing_intervals Anything at all would help, I've spent hours over the past few days trying to get the rails form syntax working properly to no avail, a really straightforward guide to what I would implement to get this working would be amazingly appreciated. I've looked through the form guides, as I'm not creating an object, but merely parsing params, there's got to be an easy way to do this, right?

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• can't update rails model

  - by Tristan

  Hi there, I'm rather new to rails. I have a controller that's attempting to update a model using the following code: @test = Product.find(1) @test.increment!(:price) It does successfully retrieve the Product from the database, but does not update the price attribute. Does anyone know why this might be the case, or how I could get more feedback on what the problem is? Thanks a bunch! Tristan edit: price is an integer with value 0. I get the same problem when I set the price with @test.price=50 and then @test.save .

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• In Rails/ActiveRecord 3, how do I change the default primary key type for MySQL?

  - by jfarmer

  In Rails 3, how do you change the default primary key type to, say, BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY In my case I'm only interested in MySQL. For Rails 2, you can see the answer to "How do I use long IDs in Rails?"1 In Rails 3, however, this will throw an error. I'm not sure if that's because the class is no long used, or if the code needs to go in the same place. You can see in active_record/connection_adapters/mysql_adapter.rb that the NATIVE_DATABASE_TYPES constant is still defined. What's the correct way to achieve the same effect in Rails 3?

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• Writing a rails validator with integer

  - by user297008

  I was trying to write a validation for Rails to ensure that a price entered on a form was greater than zero. It works…sort of. The problem is that when I run it, val is turned into an integer, so it thinks that .99 is less than .1. What's going on, and how should I fix the code? class Product < ActiveRecord::Base protected def self.validates_greater_than_zero(*attr_names) validates_each(attr_names) do |record, attr, val| record.errors.add(attr, "should be at least 0.01 (current val = #{val.to_f})") if val.nil? || val < 0.01 end end public validates_presence_of :title, :description, :image_url validates_numericality_of :price validates_greater_than_zero :price end

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• Archiving an Entire Rails Site

  - by Pygmalion

  I have a Ruby on Rails site that was only needed for a short period of time during which users added various objects to a mySQL database, commenting on them, associating themselves with them, etc. etc. etc. The question is this: the site is no longer needed until a week next year around this time when I will clear the database and use it again (starting from scratch). What's the best way to archive the current site so that the existing content is still viewable but no new content can be added? By best way, I mean the method by which the least system resources will be used, the server will be the safest, etc. Any suggestions?

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• Rails Autocompletion Issue - Rails 1.2.3 to 2.3.5

  - by Grant Sayer

  I have an issue with rails Autocompletion from some code that i've inherited from an old Rails 1.2.3 project that I'm porting to Rails 2.3.5. The issue revolves around javascript execution within the auto_complete helper :after_update_element. The scenario is: A user is presented with a popup form with a number of fields. In the first field as they enter text the auto_complete AJAX call occurs, returning a result, plus a series of other HTML data wrapped in <divs> so that the after_update_element call can iterate over the other data and fill in the remaining fields. The issue lies with the extraction of the other fields which works on IE, fails on Firefox. Here is the code: <%= text_field_with_auto_complete :item, :product_code, {:value => ""}, {:size => 40, :class => "input-text", :tabindex => 6, :select => 'code', :with => "element.name + '=' + escape(element.value) + '&supplier_id=' + $('item_supplier_id').value", :after_update_element => "function (ele, value) { $('item_supplier_id').value = Utilities.extract_value(value, 'supplier_id'); $('item_supplied_size').value = Utilities.extract_value(value, 'size')}"}%> Now the function Utilities is designed to grab the fields from the string of values and looks like: // // Extract a particular set of data from the autocomplete actions // Utilities.extract_value = function (value, className) { var result; var elements = document.getElementsByClassName(className, value); if (elements && elements.length == 1) { result = elements[0].innerHTML.unescapeHTML(); } return result; }; In Firefox the value of result is undefined

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• Error when running rake db:create

  - by Amy

  Hi, I am trying to setup an ror app but I keep getting this error. Any ideas as to what may be causing the problem? /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' /home/projects/testproject/lib/tasks/more_tasks.rake:3 /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in `load_without_new_constant_marking' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in `load' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in' /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:145:in `load' /usr/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/rails.rb:9 /usr/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/rails.rb:9:in `each' /usr/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/rails.rb:9 /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require' /home/projects/testproject/Rakefile:10 /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in `load' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in `raw_load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2017:in `load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2016:in `load_rakefile' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2000:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 /usr/bin/rake:19:in `load' /usr/bin/rake:19

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• Should I use Ruby version 1.8.7 or 1.9.2 to start developing Rails apps?

  - by BeachRunnerJoe

  Hello. I'm diving into RoR and I see that the current version of Rails (3.0.5) works with both 1.8.7 and 1.9.2. Currently, I have both versions of Ruby installed using RVM, but I'm wondering which version I should be using as I dive into Rails and start developing apps. I suppose I'd prefer to use the newest version (1.9.2), but I don't know the technologies well enough to know pros/cons of using either. Thanks so much!

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• Am I experienced enough to learn and develop immediately using Ruby on Rails?

  - by acheong87

  General Question I understand that discussions revolving around questions of this form run the risk of becoming too specific to help others. So, perhaps a better, general question would be: What kind of experience, if any, translates easily to Ruby on Rails; and if none, then what's the learning curve like, in comparison to other popular languages? Background I have the opportunity to build a website using whatever technologies I wish to use. It's a fairly simple website, for listing products, taking payments, managing customer data, providing a back-end portal for employees to manage data, possibly hooking in flight information (the products are travel related), possibly integrating a blog and all the social-networking goodies. Specific Problem I have to let the client know by tonight whether I'm interested in taking up this project, before he talks to other potential developers, but I'm on the fence. I already work a full-time C++ development job, so the money doesn't do it for me. It's the opportunity to (be paid to) learn some new technologies and to have a real, running product in the end. I've heard and read great things about Ruby, and am really intrigued. I zipped through some introductory Ruby tutorials, no sweat. However I found the Rails tutorials a little overwhelming, especially not being able to try it out anywhere. And researching Rails hosts like Heroku and EngineYard makes me think that maybe I don't know what I'm getting myself into. The ship's leaving port! I wish I had more time to learn, better yet play with the language, but I have to decide soon! Should I venture or pass? Additional Details My experiences are in C/C++/Tcl/Perl/PHP/jQuery, and basic knowledge of Java/C#. I didn't study C.S. formally so I wasn't exposed to design principles, programming paradigms, etc., which is my greatest concern. Will my lack of understanding in this realm make RoR frustrating to learn? Will it be so incompatible with a C++ "way" of thinking that I'll wish I never started? Am I putting my client at risk by attempting this? If it helps, I'm quick to learn new things (self-taught so far) and care a great deal about correctness, using things for their intended purposes, and so on. I've read numerous recommendations of Agile Development with Rails and would love to read it (though perhaps, while developing in parallel, for shortness of time). Worse comes to worst, I'd give up and do the standard LAMP gig, of course, not charging the client for wasted time. But I'm hoping to avoid the project altogether if it's gonna come down to that! Thanks in advance for any tips, insights, votes of confidence, votes of discouragement (for the better), and such.

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• I'm an experienced PHP programmer, how would it be for me to learn and use Django and Ruby on Rails?

  - by João Paulo Apolinário Passos

  I'm an experienced PHP programmer, I still have lots to learn but I consider myself experienced. I sometimes use pure PHP and sometimes some framework like CodeIgniter. I always wanted to learn new technologies like Python and Ruby, and their best frameworks for web are Django and Ruby on Rails, but I want to ask to persons like me who migrated from PHP to some of this technologies if is it worth it; Thank you

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• Using Upstart to manage Unicorn w/ rbenv + bundler binstubs w/ ruby-local-exec shebang

  - by codykrieger

  Alright, this is melting my brain. It might have something to do with the fact that I don't understand Upstart as well as I should. Sorry in advance for the long question. I'm trying to use Upstart to manage a Rails app's Unicorn master process. Here is my current /etc/init/app.conf: description "app" start on runlevel [2] stop on runlevel [016] console owner # expect daemon script APP_ROOT=/home/deploy/app PATH=/home/deploy/.rbenv/shims:/home/deploy/.rbenv/bin:$PATH $APP_ROOT/bin/unicorn -c $APP_ROOT/config/unicorn.rb -E production # >> /tmp/upstart.log 2>&1 end script # respawn That works just fine - the Unicorns start up great. What's not great is that the PID detected is not of the Unicorn master, it's of an sh process. That in and of itself isn't so bad, either - if I wasn't using the automagical Unicorn zero-downtime deployment strategy. Because shortly after I send -USR2 to my Unicorn master, a new master spawns up, and the old one dies...and so does the sh process. So Upstart thinks my job has died, and I can no longer restart it with restart or stop it with stop if I want. I've played around with the config file, trying to add -D to the Unicorn line (like this: $APP_ROOT/bin/unicorn -c $APP_ROOT/config/unicorn.rb -E production -D) to daemonize Unicorn, and I added the expect daemon line, but that didn't work either. I've tried expect fork as well. Various combinations of all of those things can cause start and stop to hang, and then Upstart gets really confused about the state of the job. Then I have to restart the machine to fix it. I think Upstart is having problems detecting when/if Unicorn is forking because I'm using rbenv + the ruby-local-exec shebang in my $APP_ROOT/bin/unicorn script. Here it is: #!/usr/bin/env ruby-local-exec # # This file was generated by Bundler. # # The application 'unicorn' is installed as part of a gem, and # this file is here to facilitate running it. # require 'pathname' ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile", Pathname.new(__FILE__).realpath) require 'rubygems' require 'bundler/setup' load Gem.bin_path('unicorn', 'unicorn') Additionally, the ruby-local-exec script looks like this: #!/usr/bin/env bash # # `ruby-local-exec` is a drop-in replacement for the standard Ruby # shebang line: # # #!/usr/bin/env ruby-local-exec # # Use it for scripts inside a project with an `.rbenv-version` # file. When you run the scripts, they'll use the project-specified # Ruby version, regardless of what directory they're run from. Useful # for e.g. running project tasks in cron scripts without needing to # `cd` into the project first. set -e export RBENV_DIR="${1%/*}" exec ruby "$@" So there's an exec in there that I'm worried about. It fires up a Ruby process, which fires up Unicorn, which may or may not daemonize itself, which all happens from an sh process in the first place...which makes me seriously doubt the ability of Upstart to track all of this nonsense. Is what I'm trying to do even possible? From what I understand, the expect stanza in Upstart can only be told (via daemon or fork) to expect a maximum of two forks.

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• rake aborted! undefined local variable or method

  - by Subhransu

  In a fresh new Ubuntu machine, I have installed ruby with sudo apt-get install ruby1.8 and then installed rubygem1.8 with : sudo apt-get install rubygems and after that installed rails3.2.8 with : gem install rails The procedure was very simple. But here comes the problem. When I tried checking the version of rake with rake --trace -version I got the following error: rake aborted! undefined local variable or method `rsion' for #<Rake::Application:0xb72c731c> /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:316:in `standard_rake_options' /usr/lib/ruby/1.8/optparse.rb:1298:in `eval' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:316:in `standard_rake_options' /usr/lib/ruby/1.8/optparse.rb:1298:in `call' /usr/lib/ruby/1.8/optparse.rb:1298:in `parse_in_order' /usr/lib/ruby/1.8/optparse.rb:1254:in `catch' /usr/lib/ruby/1.8/optparse.rb:1254:in `parse_in_order' /usr/lib/ruby/1.8/optparse.rb:1248:in `order!' /usr/lib/ruby/1.8/optparse.rb:1339:in `permute!' /usr/lib/ruby/1.8/optparse.rb:1360:in `parse!' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:425:in `handle_options' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:74:in `init' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:72:in `init' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:64:in `run' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling' /var/lib/gems/1.8/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run' /var/lib/gems/1.8/gems/rake-0.9.2.2/bin/rake:33 /usr/local/bin/rake:19:in `load' /usr/local/bin/rake:19 Is it the problem due to I have installed straight from ubuntu apt-get package manager ?

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• How to extend an 'unloadable' Rails plugin?

  - by Vitaly Kushner

  I'm trying to write a plugin that will extend InheritedResources. Specifically I want to rewrite some default helpers. And I'd like it to "just work" once installed, w/o any changes to application code. The functionality is provided in a module which needs to be included in a right place. The question is where? :) The first attempt was to do it in my plugin's init.rb: InheritedResources::Base.send :include, MyModule It works in production, but fails miserably in development since InheritedResource::Base declared as unloadable and so its code is reloaded on each request. So my module is there for the first request, and then its gone. InheritedResource::Base is 'pulled' in again by any controller that uses it: Class SomeController < InheritedResource::Base But no code is 'pulling in' my extension module since it is not referenced anywhere except init.rb which is not re-loaded on each request So right now I'm just including the module manually in every controller that needs it which sucks. I can't even include it once in ApplicationController because InheritedResources inherites from it and so it will override any changes back.

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• Ruby and Ruby on Rails offline API documentation

  - by Denis

  Hi, In the past I used railsbrain.com to have a nice and handy offline api documentation. But they stop at version 2.3.2 Is there any other solution with latest version. Thanks

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• Per-User basis security with restful_authentication in Rails ?

  - by benoror

  Hi! I'm using restful_authentication plugin, but I would like to have per-user security, for example: class PostsController < ApplicationController # Login required before_filter :login_required, :except => [ :index, :show ] # Only the same user can create, edit and delete their own posts before_filter :only_by_same_user, :only => [ :create, :update, :destroy ] end Thanks!

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• Ubuntu - Ruby Daemon script creates two processes - sh and ruby - PID file points at sh, not ruby

  - by Jonathan Scoles

  The PID file for a ruby process I have running as a daemon is getting the wrong PID. It appears that running /etc/init.d/sinatra start creates two processes - sh and ruby, and the PID that ends up in the PID file is that of the sh process. This means that when I then run /etc/init.d/sinatra stop or /etc/init.d/sinatra restart, it is killing sh and leaving the ruby process still running. I'd like to know a) why is my script launching two processes - sh and ruby, and not just ruby, and b) how do I fix it to just launch ruby? Details of the setup: I have a small Sinatra server set up on an ubuntu server, running as a daemon. It is set to automatically at server startup run a script named sinatra in /etc/init.d that launches the a control script control.rb, which then runs a ruby daemon command to start the server. The script is run under the 'sinatrauser' account, which has permissions for the directories the script needs. contents of /etc/init.d/sinatra #!/bin/bash # sinatra Startup script for Sinatra server. sudo -u sinatrauser ruby /var/www/sinatra/control.rb $1 RETVAL=$? exit $RETVAL To install this script, I simply copied it to /etc/init.d/ and ran sudo update-rc.d sinatra defaults contents of /var/www/sinatra/control.rb require 'rubygems' require 'daemons' pwd = Dir.pwd Daemons.run_proc('sinatraserver.rb', {:dir_mode => :normal, :dir => "/opt/pids/sinatra"}) do Dir.chdir(pwd) exec 'ruby /var/www/sinatra/sintraserver.rb >> /var/log/sinatra/sinatraOutput.log 2>&1' end portion of output from ps -A 6967 ? 00:00:00 apache2 10181 ? 00:00:00 sh <--- PID file gets this PID 10182 ? 00:00:02 ruby <--- Actual ruby process running Sinatra 12172 ? 00:00:00 sshd The PID file gets created in /opt/pids/sinatra/sinatraserver.rb.pid, and always contains the PID of the sh instance, which is always one less than the PID of the ruby process EDIT: I tried micke's solution, but it had no effect on the behavior I am seeing. This is the output from ps -A f. This output looks the same whether I use sudo -u sinatrauser ... or su sinatrauser -c ... in the service start script in /etc/init.d. 1146 ? S 0:00 sh -c ruby /var/www/sinatra/sinatraserver.rb >> /var/log/sinatra/sinatraOutput.log 2>&1 1147 ? S 0:00 \_ ruby /var/www/sinatra/sinatraserver.rb

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• Error loading Mongrel in Aptana Ruby Application on Vista

  - by floatingfrisbee

  I'm brand new at Ruby. Trying to set up the first application/project using Aptana Studio. Here are my ruby and gem versions c:\>ruby -v ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-mingw32] c:\>gem -v 1.3.6 I am seeing this error below while starting my ruby application. I'm developing on Vista (sucks, I know but am working on changing that) C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `require': 126: The specified module could not be found. - C:/Ruby/lib/ruby/gems/1.9.1/gems/mongrel-1.1.5-x86-mingw32/lib/http11.so (LoadError) from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `block in require' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:521:in `new_constants_in' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `require' from C:/Ruby/lib/ruby/gems/1.9.1/gems/mongrel-1.1.5-x86-mingw32/lib/mongrel.rb:12:in `<top (required)>' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `require' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `block in require' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:521:in `new_constants_in' from C:/Ruby/lib/ruby/gems/1.9.1/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:156:in `require' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler/mongrel.rb:1:in `<top (required)>' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler.rb:17:in `const_get' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler.rb:17:in `block in get' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler.rb:17:in `each' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler.rb:17:in `get' from C:/Ruby/lib/ruby/gems/1.9.1/gems/rails-2.3.4/lib/commands/server.rb:45:in `<top (required)>' from C:/Users/Me - Admin/My Documents/Aptana RadRails Workspace/EventBuzz/script/server:3:in `require' from C:/Users/Me - Admin/My Documents/Aptana RadRails Workspace/EventBuzz/script/server:3:in `<top (required)>' from -e:2:in `load' from -e:2:in `<main>' As a part of fixing this issue, I've installed the following gems and updates c:\>gem update --system Updating RubyGems Nothing to update c:\>gem install rails capistrano mongrel mongrel_cluster Successfully installed rails-2.3.5 Successfully installed net-ssh-2.0.21 Successfully installed net-sftp-2.0.4 Successfully installed net-scp-1.0.2 Successfully installed net-ssh-gateway-1.0.1 Successfully installed highline-1.5.2 Successfully installed capistrano-2.5.18 Successfully installed mongrel-1.1.5-x86-mingw32 Successfully installed mongrel_cluster-1.0.5 9 gems installed Installing ri documentation for rails-2.3.5... Installing ri documentation for net-ssh-2.0.21... Installing ri documentation for net-sftp-2.0.4... Installing ri documentation for net-scp-1.0.2... Installing ri documentation for net-ssh-gateway-1.0.1... Installing ri documentation for highline-1.5.2... Installing ri documentation for capistrano-2.5.18... Installing ri documentation for mongrel-1.1.5-x86-mingw32... Installing ri documentation for mongrel_cluster-1.0.5... Updating class cache with 1380 classes... Installing RDoc documentation for rails-2.3.5... Installing RDoc documentation for net-ssh-2.0.21... Installing RDoc documentation for net-sftp-2.0.4... Installing RDoc documentation for net-scp-1.0.2... Installing RDoc documentation for net-ssh-gateway-1.0.1... Installing RDoc documentation for highline-1.5.2... Installing RDoc documentation for capistrano-2.5.18... Installing RDoc documentation for mongrel-1.1.5-x86-mingw32... Installing RDoc documentation for mongrel_cluster-1.0.5... c:\>gem install mysql Successfully installed mysql-2.8.1-x86-mingw32 1 gem installed Installing ri documentation for mysql-2.8.1-x86-mingw32... Updating class cache with 1641 classes... Installing RDoc documentation for mysql-2.8.1-x86-mingw32... Ideas as to what is going on?

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• Trouble with Rails has_many relationships

  - by Tchock

  I'm writing an app where a user can both create their own pages for people to post on, and follow posts on pages that users have created. Here is what my model relationships look like at the moment... class User < ActiveRecord::Base has_many :pages has_many :posts has_many :followings has_many :pages, :through => :followings, :source => :user class Page < ActiveRecord::Base has_many :posts belongs_to :user has_many :followings has_many :users, :through => :followings class Following < ActiveRecord::Base belongs_to :user belongs_to :page class Post < ActiveRecord::Base belongs_to :page belongs_to :user The trouble happens when I try to work my way down through the relationships in order to create a homepage of pages (and corresponding posts) a given user is following (similar to the way Twitter's user homepage works when you login - a page that provides you a consolidated view of all the latest posts from the pages you are following)... I get a "method not found" error when I try to call followings.pages. Ideally, I'd like to be able to call User.pages in a way that gets me the pages a user is following, rather than the pages they have created. I'm a programming and Rails newb, so any help would be much appreciated! I tried to search through as much of this site as possible before posting this question (along with numerous Google searches), but nothing seemed as specific as my problem...

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• rails foreman does not load all my services on start

  - by Rubytastic

  Rails foreman does not load all my services defined in Procfile. Procfile.rb: redis: redis-server resque: bundle exec rake resque:start &&> log/resque_worker_queue.log privpub: bundle exec rackup private_pub.ru -s thin -E production & &> log/private_pub.log sunspot: bundle exec rake sunspot:solr:run I always have to manually start all of them by copy paste the commands in terminal foreman start does not work, what am i missing? This is foreman output: 12:35:40 privpub.1 | process terminated 12:35:40 system | sending SIGTERM to all processes 12:35:40 system | sending SIGTERM to pid 4375 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # Received SIGTERM, scheduling shutdown... 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # User requested shutdown... 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 * Saving the final RDB snapshot before exiting. 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 * DB saved on disk 12:35:40 redis.1 | [4375] 02 Jun 12:35:40 # Redis is now ready to exit, bye bye... 12:35:40 system | sending SIGTERM to pid 4376 12:35:40 resque.1 | rake aborted! 12:35:40 resque.1 | SIGTERM 12:35:40 resque.1 | 12:35:40 resque.1 | (See full trace by running task with --trace) 12:35:40 system | sending SIGTERM to pid 4378 12:35:40 sunspot.1 | rake aborted! 12:35:40 sunspot.1 | SIGTERM 12:35:40 sunspot.1 | 12:35:40 sunspot.1 | (See full trace by running task with --trace) 12:35:40 sunspot.1 | process terminated 12:35:40 resque.1 | process terminated 12:35:40 redis.1 | process terminated

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• Database not completely updated in rails migration

  - by Aatish Sai

  I am new to Ruby on Rails. I have a migration called create user class CreateUsers < ActiveRecord::Migration def change create_table :users do |t| t.column :username, :string, :limit => 25, :default => "", :null => false t.column :hashed_password, :string, :limit => 40, :default => "", :null => false t.column :first_name, :string, :limit => 25, :default => "", :null => false t.column :last_name, :string, :limit => 40, :default => "", :null => false t.column :email, :string, :limit => 50, :default => "", :null => false t.column :display_name, :string, :limit => 25, :default => "", :null => false t.column :user_level, :integer, :limit => 3, :default => 0, :null => false end User.create(:username=>'test',:hashed_password=>'test',:first_name=>'test',:last_name=>'test',:email=>'[email protected]',:display_name=> 'test',:user_level=>9) end end When I run rake db:migrate the table is created with the columns as mentioned above but the test data are not there mysql>select * from users; Empty set (0.00 sec) EDIT I just dropped the whole database and restarted the migration and now it is showing the following error. rake aborted! An error has occurred, all later migrations canceled: Can't mass-assign protected attributes: username, hashed_password, first_name, last_name, email, display_name, user_level What am I doing wrong please help? Thank you.

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