[Rails] Re: uninstall dependencies along with the gem

[Joel Pearson]

I can see it being quite dangerous to uninstall all dependancies of a 
given gem. In theory it could be dependant on gems which have become 
part of the core library in more recent Ruby versions, for example.

However if you mean you want to keep only the latest version of each 
gem, there's the "gem clean" command.

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[Rails] uninstall dependencies along with the gem

[John Merlino]

I installed spree by adding it in gemfile. It was giving me errors, so I 
went to the github site, and installed spree using "gem install spree". But 
now it looks like i have two sets of gems for the dependencies of spree:

spree_api (2.0.3, 0.40.0)
spree_auth (0.40.0)
spree_backend (2.0.3)
spree_cmd (2.0.3)
spree_core (2.0.3, 0.40.0)
spree_dash (0.40.0)
spree_frontend (2.0.3)
spree_promo (0.40.0)
spree_sample (2.0.3, 0.40.0)


How do I uninstall spree and all of the gems that were installed along with 
it?

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[Rails] ActiveRecord::Base.transaction - SystemStackError - stack level too deep:

[Bob O]

Im having an issue that seems to only happen when trying to use a 
transaction. Ive used transactions many times in the past and Im at a loss 
as to why im getting the stack level too deep problem.

SystemStackError - stack level too deep:
  actionpack (3.2.13) lib/action_dispatch/middleware/reloader.rb:70:in `'

I have a StackOveflow with more detail - 
http://stackoverflow.com/q/16930511/1408461

As stated in the SO. If I try to save the record to the database outside 
the transaction it saves just fine. I only get the error in the 
transaction. 

Params Object

params => {
  "resource"=> {
"resource_type"=>"document", 
"resource_name"=>"My Rails Doc",
"source_id"=>"Dropbox"
  },
  "resource_document"=> {
"resource_document"=> #>},

  "action"=>"create",
  "controller"=>"resources"
 }

**Controller**

def create

  if current_teacher
@resource = ResourceObject.create_teacher_resource(params, current_teacher)
  end

  if current_student
@resource = ResourceObject.create_student_resource(params, current_student)
  end

  if current_admin
@resource = Resource.new(params[:resource])
  end

  respond_to do |format|
if @resource.success
  format.html { redirect_to @resource, notice: 'Resource was successfully 
created.' }
  format.json { render json: @resource, status: :created, location: 
@resource }
else
  format.html { render action: "new" }
  format.json { render json: @resource.errors, status: 
:unprocessable_entity }
end
  endend

**Transaction**

class ResourceObject

  def self.create_teacher_resource(params, teacher)
begin
  ActiveRecord::Base.transaction do
# Create Resource
@resource = Resource.new
@resource.resource_name = params[:resource][:resource_name]
@resource.resource_type = params[:resource][:resource_type]
@resource.source_id = params[:resource][:source_id]
@resource.teacher_id = teacher.id
@resource.save

# Create Resource Document
@resource_document = ResourceDocument.new
@resource_document.resource_document = 
params[:resource_document][:resource_document]
@resource_document.resource_id = @resource.id
@resource_document.save

# TODO Add Commom Core Joins
# TODO Video Uploader
# TODO Image Uploader

return @resource.success = "ok"
  end
rescue Exception => e
  # TODO Need to figure out how to pass exception message back to controller
  return @resource.errors
end 
  end
end

end

Resource Model

class Resource < ActiveRecord::Base include TransactionAttributes 
attr_accessible :resource_name, :resource_type, :source_id, :teacher_id, 
:student_id, :success, :errors belongs_to :teacher, :class_name => 
"Teacher", :foreign_key => "teacher_id" belongs_to :student, :class_name => 
"Student", :foreign_key => "student_id" has_many :resource_documents # 
has_many :resource_images # has_many :resource_videos # has_many 
:question_resources # has_many :assignment_resources end

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Re: [Rails] [HELP] - Ruby Drag and Drop script on screen element in Mac OS

[Tamara Temple]

Muthu Selvan  wrote:
> On Thursday, 20 June 2013 07:49:39 UTC-7, Walter Lee Davis wrote:
> 
> On Jun 20, 2013, at 2:51 AM, Muthu Selvan wrote:
>
> > Hi All ,
> >
> >I am new to the ruby , i want click the object on element ( any 
> object , Ex: Calculator)  after click i need Drag and Drop the
> >  
> >element continuously for some time , please let me know how to do it 
> in ruby in Mac OS ?
>
> You'll need to use JavaScript for this. Ruby doesn't run in the browser, 
> and drag events aren't sent to the server every. Click events only get sent to
> the server if they are on a link. With JavaScript, you can attach 
> listener functions to almost any interaction gesture you like. These 
> functions can in
> turn trigger HTTP requests or other DOM events or behavior.
>
> Walter
> 
>   Thanks water , I know javascript to some extend ,i want to drag the element 
> which is in Mac Desktop , is it possible to send the mouse event the objects
> which is in MAC Desktop ..? if yes please let me procedure for this ..? 
> 
> Regards.
> Muthu Selvan SR

Are you trying to make a Rails web application, or a Mac desktop
application? If the latter, you have the wrong list. Try the ruby-talk
list instead.

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Re: [Rails] [HELP] ruby 1.9.2 is not showing in gem environment ( GEM PATH)

[Tamara Temple]

Muthu Selvan  wrote:
> mselv2m1:nikeplus-running-ios mselv2$ cucumber 
> /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems.rb:777:in
>  `report_activate_error': Could not find RubyGem cucumber (>= 0)
> (Gem::LoadError)

Is this really not apparent what the error is?

"Could not find RubyGem cucumber"


Try installing cucumber.

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Re: [Rails] `require': cannot load such file -- nokogiri (LoadError) in rubyXL

[Tamara Temple]

Muthu Selvan  wrote:
> My requirement is : I want read / write the excel sheet ( both xls / xlsx ) 
> from Ruby , if you have any other solution also share with me .. 

You may want to ask on the ruby list instead of the rubyonrails list...

> Source Code :
> 
> bash-3.2$ cat rubyXL.rb 
> require 'rubyXL' 
> workbook = RubyXL::Parser.parse("test.xlsx")
> workbook = RubyXL::Workbook.new
> sheet_Name = workbook.worksheets[0]
> puts sheet_Name
> 
> ERROR
> rubyXL.rb 
> /usr/local/Cellar/ruby/2.0.0-p195/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in
>  `require': cannot load such file -- nokogiri (LoadError)

Silly question: did you install nokogiri? That message above tells you
just what it cannot find.

> Installed rubyXL also :
> 
> bash-3.2$ gem list | grep "XL"
> rubyXL (1.2.10)

Now try:

gem list | grep nokogiri

In looking at the rubyXL gem, the gemspec file does list nokogiri and a
few other things as run-time dependencies, but I don't quite understand
the syntax used in the .gemspec -- it *looks* like it should pull them
in, but neither gem install nor bundle install (if rubyXL is placed in a
Gemfile) are getting included.

If you look inside the rubyXL.gemspec file where rubyXL was installed,
you can find the other things it depends on and install those as well.

> Thanks ,
> Muthu Selvan SR

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Re: [Rails] Getting rspec error: Net::SMTPServerBusy: Relay access denied

[Tamara Temple]

Tyler Warnock  wrote:
> I'm trying to test registration emails (sent with devise), and I keep getting 
> the error:
> 
> Net::SMTPServerBusy: 454 4.7.1 : Relay access denied
> 
> I'm running Rails 3.2.11 with Capybara, and I have (temporarily) chopped my 
> spec_helper.rb and test.rb files down to the bare minimum, still getting the
> error above.
> 
> spec_helper.rb:
> 
> require 'rubygems'
> require 'spork'
> 
> Spork.prefork do
>   ENV["RAILS_ENV"] ||= 'test'

The *ONLY* thing I can think of here is that RAILS_ENV is set to
something other than test -- this might explain why test.rb isn't
getting picked up either. But I am stumped.


>   require File.expand_path("../../config/environment", __FILE__)
>   require 'rspec/rails'
>   require 'rspec/autorun'
>   require 'capybara/rspec'
>   Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
> 
>   RSpec.configure do |config|
> config.use_transactional_fixtures = true
> config.infer_base_class_for_anonymous_controllers = false
>   end
> end
> 
> Spork.each_run do
>   FactoryGirl.reload
> end
> 
> test.rb:
> 
> Upficial::Application.configure do
>   config.whiny_nils = true
>   config.consider_all_requests_local   = true
>   config.action_controller.perform_caching = false
>   config.action_mailer.delivery_method = :test

According to the guides, this is redundant, but I think I'd still leave
it in.

> end
> 
> The test itself is very straightforward:
> 
> require 'spec_helper'
> 
> describe User do
>   it "sends a confirmation email" do
> @user = FactoryGirl.create(:user, email: "model_s...@example.com", 
> username: "model_spec")
> @user.send_confirmation_instructions
> ActionMailer::Base.deliveries.last.to.should == [@user.email]
>   end
> end
> 
> I get the same result whether I run with guard/spork or with 'rspec 
> spec/models/user_spec.rb'; the test always fails with
> 
> Net::SMTPServerBusy: 454 4.7.1 : Relay access denied
> 
> Any idea on what configurations should be changed, if any?
> 
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Re: [Rails] Facing dependency error for "faraday"

[Tamara Temple]

Fahim Patel  wrote:
> Please solve below dependency.

Use contextio instead of context-io

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[Rails] Re: [HELP] Error cannot load (or bundle) 'pg' gem on local windows 7 Ruby on Rails

[Aguardientico]

Your gem list shows:
 
pg (0.15.1 x64-mingw32)
But your Gemfile.lock shows
 
PLATFORMS
  x86-mingw32
I think your issue is related to a mixed platform (32bits(x86) vs 
64bits(x64))
 
Try to investigate that.

El viernes, 21 de junio de 2013 03:59:31 UTC-5, Ivan Wang escribió:

> I posted a question on SO, but no one answered so 
> far.http://stackoverflow.com/questions/17221522/error-cannot-load-pg-gem-on-local-windows-7-ruby-on-rails
>
> I just started to learn ruby on rails. I have pg gem installed. And 'pg'
> is in both gemfile.lock and gemfile. However, it keep
> getting error, "gem is not loaded, Add gem 'pg' to your Gemfile."
>
> I also have tried follow someone's advice, delete the gemfile.lock and
> re-bundle. same error came out.
>
> Please look at the link above for details.
>
> Thanks in advanced.
>
>

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[Rails] Re: [HELP] NameError in Discussions#index

[Aguardientico]

Change this line:
@discussions = @user.discussion.paginate(page: params[:page])
 
for
 
@discussions = @user.discussion*s*.paginate(page: params[:page])

El viernes, 21 de junio de 2013 14:17:31 UTC-5, ni...@relesh.com escribió:

> Hi everybody!
> I'm currently in the process of writing my first ruby on rails app.  I'm 
> quite new to the whole thing and I could use some help with an issue i've 
> been stuck on for a while.
>
> The goal here is to crease a discussion board where users can comment with 
> microposts.  Very simple.  The issue is that I am getting the error
> NameError in Discussions#index
>
> undefined local variable or method `discussion' for 
> #<#:0x0103e78bb0>
>
> I'm sure the fix is quite simple.  Here's the relevant code
>
> discussion controller
>
> class DiscussionsController < ApplicationController
>
>   before_filter :signed_in_user, only: [:index, :edit, :update]
>
>
>
>
>   def show
>
> @user = User.find(params[:id])
>
> @discussions = @user.discussion.paginate(page: params[:page])
>
> @microposts = @user.micropost.paginate(page: params[:page])
>
>
>   end
>
>
>   def index
>
> @discussions = Discussion.all
>
>   end
>
>
>   def create
>
> @discussion = current_user.discussions.build(params[:discussion])
>
> if @discussion.save
>
>   flash[:success] = "Discussion Started!"
>
>   redirect_to root_url
>
> else
>
>   render 'static_pages/home'
>
> end
>
>   end
>
>
>   def destroy
>
>   end
>
>
>   def edit
>
>   end
>
>
>   def update
>
>   end
>
>
>   def new
>
>   end
>
> end
>
>
> micropost controller
>
> class MicropostsController < ApplicationController
>
>   before_filter :signed_in_user, only: [:create, :destroy]
>
>
>   def index
>
>   end
>
>
>   def create
>
> @discussion = current_user.discussions.new
>
> @micropost = current_user.microposts.build(params[:micropost])
>
> if @micropost.save
>
>   flash[:success] = "Posted!"
>
>   redirect_to root_url
>
> else
>
>   render 'static_pages/home'
>
> end
>
>   end
>
>
>   def destroy
>
>   end
>
> end
>
>
> discussion board
>
> <% content_for :script do %>
>
> <%= javascript_include_tag 'hover_content' %>
>
> <% end %>
>
>
>
>
> 
>
>   <%=discussion.intro 
> %>
>
>   
>
> <%= discussion.content %>
>
> 
>
>   <%= link_to "Break Up", signup_path,class: 
> "btn btn-large btn-breakup" %>
>
>   <%= link_to "Stay Together", 
> signup_path,class: "btn btn-large btn-staytogether" %>
>
> 
>
>   
>
> 
>
>
> 
>
> Posted <%= time_ago_in_words(discussion.created_at) %> ago.
>
>   
>
>
> 
>
>   <% discussion.microposts.each do |micropost|%>
>
>   
>
> <%= micropost.content%>
>
>   
>
>   <% end %>
>
> 
>
>
> <% if signed_in? %>
>
> 
>
>   
>
> 
>
>   <%= render 'shared/micropost_form', :locals => {:discussion => 
> discussion }%>
>
> 
>
>   
>
> 
>
> <% end %>
>
> micropost form partial
> <% @micropost = Micropost.new %>
> <% @micropost.discussion_id = discussion.id %>
>
>
> <%= form_for(@micropost) do |f| %>
> <%= render 'shared/error_messages', object: f.object %>
> 
>   <%= f.text_area :content, placeholder: "Compose new micropost..." %>
> 
> <%= f.hidden_field :discussion_id, discussion.id%>
>
> <%= f.submit "Post", class: "btn btn-large btn-primary" %>
> <% end %>
>
>
>
>
> thanks!
>

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Re: [Rails] [HELP] NameError in Discussions#index

[Colin Law]

On 21 June 2013 20:17,   wrote:
> Hi everybody!
> I'm currently in the process of writing my first ruby on rails app.  I'm
> quite new to the whole thing and I could use some help with an issue i've
> been stuck on for a while.
>
> The goal here is to crease a discussion board where users can comment with
> microposts.  Very simple.  The issue is that I am getting the error
>
> NameError in Discussions#index
>
> undefined local variable or method `discussion' for
> #<#:0x0103e78bb0>

You have failed to show us two vital things, firstly which line of
code the error occurs at, look in the server terminal window and you
should see the full message and call stack.  It should tell you which
line of your code is generating the error.  Secondly you have not told
us the relations between the models (has_many, belongs_to etc).  If
you do not understand what that means then I suggest starting with a
good tutorial such as railstutorial.org (free to use online) which
will show you the basics of rails.  In fact I suggest working right
through a tutorial before starting your own app even if you do
understand what I mean.  Also read (and make sure you understand) the
Rails Guides.

Colin

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Re: [Rails] IRB help

[Oliver David]

I got it working.  Thanks for helping.

On Friday, June 21, 2013 11:22:05 PM UTC-4, kotp wrote:
>
> IRB is not the command line.  Use the command line to mkdir.
>
>
> On Fri, Jun 21, 2013 at 10:56 PM, Oliver David 
> > wrote:
>
>> I used the cmd prompt Windows and type IRB to start and get that error.
>>
>> On Friday, June 21, 2013 10:49:39 AM UTC-4, Colin Law wrote:
>>
>>> On 21 June 2013 14:12, Oliver David  wrote: 
>>> > I'm new to Ruby.  I installed Rails on Windows 8. 
>>> > 
>>> > When I type mkdir in IRB, I'm getting this.  I tried running the IRB 
>>> as 
>>> > administrator too, and still get the same result 
>>> > 
>>> > 
>>> > irb(main):001:0> mkdir lesson2 
>>> > NameError: undefined local variable or method `lesson2' for 
>>> main:Object 
>>> > from (irb):1 
>>> > from C:/RailsInstaller/Ruby1.9.3/**bin/irb:12:in `' 
>>> > irb(main):002:0> cd lesson 
>>>
>>> Those commands (mkdir and cd) are not supposed to be run in irb (which 
>>> is for ruby code), but in a console window.  Whether they work in 
>>> Windows anyway I do not know.  I strongly advise not to use Windows 
>>> for developing RoR applications, it is much easier in Linux (Ubuntu 
>>> for example) or Mac. 
>>>
>>> Colin 
>>>
>>> > 
>>> > -- 
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>>>  
>>>
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>>>
>>> > 
>>> > 
>>>
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