[Rails] upgraing rails 1.2.5 to 2.3.5
while upgrading rails 1.2.5 to 2.3.5 i am getting missing template error...after i changing .rhtml to .html.erb -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Ruby CAS & Restful Authentication Plugin
Hi all, I have installed Ruby CAS server and my application has got a simple Restful Authentication Plugin for User Management.I would to like experiment my application by providing a Central Authentication since I am using PHP app for blogging.And I am using http://github.com/gunark/rubycas-client as the Ruby CAS client . Does Ruby CAS server supports Restful Authentication Mechanism for CAS to implement SSO (Single Sign On) ? I am getting CAS login Screen after doing the preliminary setups. Any help would be appreciated. Thanks in Advance D -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Couldn’t get bounced email id in “Fa ilure delivery notice”
On 4, May 2010, at 4 May 15:42, sathishkumar wrote: > Question: Can you please anyone suggest me, how to find out the email-id > which is failed to deliver / invalid one from that bounced email notice. The most fool proof way to do this is to get the message-id of the mail you have sent, and store that somewhere against the user you sent to. Then when you get the bounce message, dig out the message-id and then lookup the message-id in your table to find the user. Mikel Lindsaar http://rubyx.com/ http://lindsaar.net/ -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Couldn’t get bounced email id in “Failur e delivery notice”
Hi All, We have an email receiver component to receive mails. We couldn’t get the bounced email id from “failure delivery notice” email. Scenario: In email receiver, we need to process the bounced emails separately as in it needs to be tracked and take a action to stop sending emails to particular email-id if it is hard bounce, and if it’s a soft bounce, we have to make a count for it and take action according to the number failures. Problem: We have found/ differentiated the bounced emails from regular emails. But we need to find out which email-id has been failed to deliver / invalid one. All email service providers are mentioning the email id in body content (“Failure delivery notice”) in different format. Question: Can you please anyone suggest me, how to find out the email-id which is failed to deliver / invalid one from that bounced email notice. Looking for a your suggestions / comments eagerly, Thanks in Advance, Regards, Sathish Kumar Sadhasivam, E-mail : srssathishku...@gmail.com Mobile : +91 98948 81242 Skype : ssathishkumar22 Gtalk : sathishjob -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] What version of Ruby does/will Rails 3 require?
Sent from my iPhone On May 3, 2010, at 9:32 PM, Matt Slay wrote: What version of Ruby does or will Rails 3 require? Matt, Rails 3 requires Ruby 1.8.7 at the absolute minimum but works best with Ruby 1.9.2. Good luck, -Conrad -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails- t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en . -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: rendering images dynamically
Thanks, Rob
I finally got it working by using periodically_call_remote in conjunction
with the spawn plugin which runs the long process in parallel.
Thanks for your help!
Anand
On Mon, May 3, 2010 at 2:12 PM, Rob Biedenharn
wrote:
>
> On May 3, 2010, at 4:56 PM, Anand Ramanathan wrote:
>
> Thanks again, Rob
>
> I made the change you suggested (I realize that the additional action call
> and redirect are redundant), and I still get the images rendering all at
> once in the end. I am a newbie to rails, so dont understand fully how it
> works, but here are my current confusions :
>
> 1. Does all the javascript of a "render :update" block get emitted in one
> go, or does each page.do_this call in that get sent back independently?
>
>
> You get a single response to each request.
>
> If the former, then I understand that this approach wont work for me. If
> there is some way to achieve the latter, then each page.insert_html could be
> sent back independently, and each image could be rendered in parallel. Is
> there any way to achieve the latter, through some setting, perhaps?
>
> 2. Rob said: You're never going to get the images to show up "one at a
>> time" unless you stop doing all the work in one request.
>>
> Does that mean that I cannot call multiple page. do_something calls in
> parallel within the response chain of one request? All I want is to send an
> async request "get_images" and receive a callback "got_one_image" each time
> an image is ready...
>
> Thanks
> Anand
>
>
> Yup! Now, if you really want to "chain" the requests, you could probably do
> some AJAX call so that the JavaScript that is sent back does one image
> replace and then immediately kicks off the next request. Alternatively, if
> you really only care about the appearance of a sequential load, do the
> sequential "reveals" with JavaScript (via scriptaculous or jQuery-effects).
>
> Of course, it might make a big difference if you're talking about 4-5
> images or 400-500 images, too. Your
> "some_loop_that_gets_one_image_at_a_time" is rather vague after all.
>
> -Rob
>
>
> On Mon, May 3, 2010 at 12:39 PM, Rob Biedenharn <
> r...@agileconsultingllc.com> wrote:
>
>> On May 3, 2010, at 3:20 PM, Anand Ramanathan wrote:
>>
>> Thanks, Rob
>>
>> I tried a variant of your suggestion, where I redirect instead of
>> send_data (since in my case, the images are coming from elsewhere) - I
>> still have the same issue (that the images are all rendered once in the
>> end,not one by one as they are retrieved). Here is the current code:
>>
>> main controller:
>>
>> def show_images
>>render :update do |page|
>> page.replace_html 'images-div', ''
>> @query.load_images! do |image|
>>@image = image
>>page.insert_html :bottom, 'images-div', :partial => 'image' unless
>> @image.id.nil?
>> end
>> end
>> end
>>
>> query model:
>>
>> def load_images!
>> ...
>> for(some_loop_that_gets_one_image_at_a_time)
>> block.call(image)
>> end
>> ...
>> end
>>
>> _image.html.erb
>>
>> <%=image_tag('/images/%s/show' % @image.id)%>
>>
>>
>> Right here, just let the browser leverage HTTP to get the parallelized
>> behavior you seek:
>>
>> <%= image_tag @image.url %>
>>
>> or even:
>>
>>
>>
>> If you're doing a redirect, the url isn't going to be "hidden" anyway.
>>
>> You're never going to get the images to show up "one at a time" unless you
>> stop doing all the work in one request.
>>
>> -Rob
>>
>>
>>
>> images_controller:
>>
>> def show
>> @image = Image.find(params[:id])
>> redirect_to @image.url
>> end
>>
>> Thanks
>> Anand
>> On Mon, May 3, 2010 at 11:01 AM, Rob Biedenharn <
>> r...@agileconsultingllc.com> wrote:
>>
>>> On May 3, 2010, at 1:49 PM, candor wrote:
>>>
>>> I tried a couple other approaches, but no success yet:
1. I reversed the blocks below - calling the load_images from within
render :update - that did give me the results, but all at once in the
end, not as the images show up.
2. I called redirect_to >>> inner loop in 1, and created a show_image.js.rjs file which calls
page.insert_html :bottom, 'images-div', :partial => 'image', but I get
an error 'ActionView::MissingTemplate (Missing template /
show_image.erb in view path app/views) I dont really understand why
this is happening - shouldnt it pick the rjs template if present
instead of the erb?
What I really want is to leverage http to parallelize the retrieval
and rendering of images. How do I do that?
Thanks
Anand
>>>
>>>
>>>
>>> Then the browser will ask for that URL and you can respond with a
>>> send_file or send_data (rather than a render or redirect).
>>>
>>> -Rob
>>>
>>>
>>>
On May 3, 9:11 am, candor wrote:
> Hi,
>
> I have a rails application where I respond to a request by fetching
> image urls from various web api calls and need to display them as they
> come available. I am able to display all the images
[Rails] What version of Ruby does/will Rails 3 require?
What version of Ruby does or will Rails 3 require? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Having trouble with Validatable
I think that's what I did. I know the gem is running because I had validates_numericality using minimum and maximum, which broke as soon as I installed the gem. Validatable doesn't have those options. The include is on line 2 of the model. Bob On May 3, 6:53 am, Priyanka Pathak wrote: > Hi, > You just add include Validatable in your model after installing > validatable gem. level option will work with active record validation. > For more information refer this url -http://validatable.rubyforge.org/ > > -- > Posted viahttp://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Integrating hardware with browser
Hello, I've looked high and low and found just 1 post with some information about this subject, from 2008, and Google searches turned out pretty much no useful information. I would appreciate any help on this. I need to be able to control several devices (card reader, printer, camera, cashier drawer) attached to the client. Has anybody done anything similar? Any info/links would be greatly appreciated. Thank you -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Best HOST and web server
I'm using Nginx + Thin See here: http://webroar.in/blog/2009/11/25/comparison-of-rails-deployment-stacks-2/ I didn't try WebRoar. But Thin is the best among others. I believe nobody would argue that Nginx is faster than Apache though. I've got VDS on RackspaceCloud about a year now. Had no problems with them. I like them's 24/7 support system through web-based chat. Any problem could be solved in 10 minutes without any kind of tickets. On Tue, May 4, 2010 at 5:44 AM, David Zhu wrote: > Ok im currently trying to choose between Apache/Nginx, and other stuff > too (passenger, etc) > > Could someone give me a brief description/explanation of which one to > use? What do you prefer? Pros/Cons? > > > > Also, whats ur fav VPS company? Do you think that Rackspace Cloud is > good? Anyone tried it? > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] how-to display an image living outside the public directory
You could have PrivateImagesController with `show` method
and you will get your images through /private_images/image_name.png
in `show` method
(check permissions)
send_file "#{RAILS_ROOT}/private_images_folder/#{params[:image_name]}"
send_file is really slow and will work only when there's not a lot of users
requesting files
In Nginx you could use x-send-file option or something, which makes
send_file work much better. I didn't try that though.
On Tue, May 4, 2010 at 1:08 AM, bill walton wrote:
> I'm trying to display an image (chart) that lives outside the public
> directory in RAILS_ROOT/private.
>
> The chart contains confidential information and so can't live in /public
> or any sub-directories of /public.
>
> The chart needs to be displayed from a partial. The first display of
> the page containing the partial is an html render. Subsequently, the
> user can select a different chart causing an ajax call which replaces
> the content of the image-containing dom element in the partial with a
> new chart image.
>
> Any thoughts / pointers are much appreciated!
>
> Best regards,
> Bill
>
> --
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>
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[Rails] Getting class in /lib folder to see a model (const_missing)?
Hello, I wrote a new class that I decided to put in the /app/lib folder. Part way through one of the methods, I call #new on the model, update some of the fields and then call #save (on the model). When I do this though, I get a 'const_missing' error coming from Active Support. Here's the error: ".../lib/active_support/dependencies.rb:105:in `const_missing': uninitialized constant ClassA::ModelA (NameError)" The 'ModelA' is the model I'm trying to access, and 'ClassA' is the class in /app/lib/class_a.rb. I'm not sure why it seems to think that ModelA is a part of ClassA, perhaps that's the problem? I would have probably just used "require ../models/model_a.rb", but I found the following at StackOverflow: "One way to solve this would be to explicitly require the model file aircraft.rb. However, you will find this approach quickly leads to insanity as it will break the Rails auto-loader in subtle and astonishing ways. Rails is much easier if you work with the Rails class loader, not against it." Source: http://stackoverflow.com/questions/326277/rails-calling-a-model-class-in-a-library I then found an example at http://www.strictlyuntyped.com/2008/06/rails-where-to-put-other-files.html that suggests adding this to the file in the /app/lib folder: def self.included(base) base.extend(ClassMethods) end And then creating a file in /config/initializers with the following: require 'rails_extensions/user_logger' ActionController::Base.class_eval do include ActionController::UserLogger end Being new to Ruby/Rails, I'm really not sure what this supposed to do, but I'm guessing it will work. That post was written in 2008 though, so I'm thinking there may be a better way for this. Does anyone have a suggestion as to the best way to get a class in the /app/lib folder to see a model? Thank you very much, Mike -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] OneLogin releases SAML for Ruby
We have just published a neat little toolkit for those of you who are interested in SAML-enabling your enterprise application. SAML is a standards-based single sign-on protocol, which allows an identity provider to securely log users into an application without a password. Some of the advantages of SAML that you avoid passwords altogether and can centralize access control at your identity provider. OneLogin's SAML kit supports both service provider and identity provider initiated web SSO and comes with a working example application. If you sign up for a free trial with OneLogin, you can also test the example app or your own code with a live identity provider. http://support.onelogin.com/entries/165434-saml-toolkit-for-ruby-on-rails Feel free to contact us if you have any questions or are interested in partnering with OneLogin. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] select tag with unique values from db
Hi. I just want to ask some help regarding my simple project. i'm a rails newbie and right now, quite stuck with this. I have this select_tag in my rhtml.. <%= select_tag 'search[outcome]', options_for_select(["", "qp1", "qp2", "Not Processed"], (params[:search] && params[:search][:outcome])) %> it works fine. But now, I want to get the distinct values of my options_for_select from my database table, green. how can i do this in my controller and view? thanks. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Best HOST and web server
Ok im currently trying to choose between Apache/Nginx, and other stuff too (passenger, etc) Could someone give me a brief description/ explanation of which one to use? What do you prefer? Pros/Cons? I use apache/passenger. I've stuck with Apache because I've got some PHP stuff and don't want to mess with fcgi right now. Passenger is nice. Also, whats ur fav VPS company? Do you think that Rackspace Cloud is good? Anyone tried it? I've been a SliceHost.com customer for a number of years. Good stuff. -p -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Helper module not included on subsequent requests form engine gem in development from passenger
Hi, I'm working on a Rails 2.3.5 based gem that acts as an "add-on" for an existing application. It basically pulls in functionality from another more generic gem and sets up the application to use it. In its rails/init.rb it adds some helpers to ApplicationHelper. Here's the init.rb file: http://github.com/kete/kete_translatable_content/blob/master/rails/init.rb and here is the other gem's lib that is being included: http://github.com/kete/mongo_translatable/blob/master/lib/translatables_helper.rb My issue is that after the initial request to my app on a view that calls one of those helpers, I get a method not defined error if I'm in development mode (production works as expected). I've tried a few different things (unloadable and wrapping method definitions in unless modules.include? TranslatablesHelpers conditional), but am not making any headway. Suggestions? Cheers, Walter -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Link_to delete action
The reason it is failing is because it is performing a GET request.
Wrap the "delete relationship" in a form( with :method => :delete) and
it should work
--
Punit
Greg Ma wrote:
> Hi,
> I am trying to generate a link to delete a relationship, so I've done
> the code bellow. THis is the full code, the part for deleting the
> relationship is at the bottom of the code. I am using a restful
> controller
>
> <% unless item.user_participe?(current_user) %>
> <%form_for Participant.new do |f| %>
> <%= f.hidden_field :defi_id, :value => item.id%>
> <%= f.submit "Participer!", :disabled => !current_user %> <%=
> link_to("Créez un compte pour participer", register_path) unless
> current_user %>
> <% end %>
>
> <%else%>
> Vous participez à ce défi
> <%= link_to "Ne plus participer",
> participant_path(item.participants.find_by_user_id(current_user.id)) ,
> :method => :delete, :confirm => "Etes vous sur de ne plus vouloir
> participer?" %>
> <%end%>
>
> This is the error message:
> participant_url failed to generate from {:action=>"show",
> :controller=>"participants", :id=># is_valide: "false", fin_defi: "2010-04-24 00:00:00", created_at:
> "2010-04-25 15:15:35", updated_at: "2010-04-25 15:15:35">}, expected:
> {:action=>"show", :controller=>"participants"}, diff:
> {:id=># fin_defi: "2010-04-24 00:00:00", created_at: "2010-04-25 15:15:35",
> updated_at: "2010-04-25 15:15:35">}
>
>
> Greg
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[Rails] Re: render_to_string problem
Are you escaping the javascript returned?(by calling the escape_javascript helper?) Abhishek shukla wrote: > i have a scenario where a jquery is receiving a response in the string > and > which content html component like "test" ideally > in a > view it should display only "test" but it displaying entire string id="test">test is there any way i am deal with the problem through > js > or rails? > > Thanks > abhis -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Best HOST and web server
Ok im currently trying to choose between Apache/Nginx, and other stuff too (passenger, etc) Could someone give me a brief description/explanation of which one to use? What do you prefer? Pros/Cons? Also, whats ur fav VPS company? Do you think that Rackspace Cloud is good? Anyone tried it? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] mongrel issue dev vs. prod
I can start this app in dev mode fine but it blows up when I do -e production. Here is what I get from the brief output in the cli: No idea what is going on and why it would do that in prod mode. F:/BACKUP/Backup/ruby/lib/ruby/1.8/erb.rb:441:in `scan': undefined method `empty?' for nil:NilClass (NoMethodError) from F:/BACKUP/Backup/ruby/lib/ruby/1.8/erb.rb:497:in `compile' from F:/BACKUP/Backup/ruby/lib/ruby/1.8/erb.rb:664:in `initialize' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ actionpack-2.2.2/lib/action_view/template_handlers/erb.rb:51:in `new' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ actionpack-2.2.2/lib/action_view/template_handlers/erb.rb:51:in `compile' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ actionpack-2.2.2/lib/action_view/template_handler.rb:11:in `call' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ actionpack-2.2.2/lib/action_view/renderable.rb:21:in `_unmemoized_compiled_source' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ activesupport-2.2.2/lib/active_support/memoizable.rb:57:in `compiled_source' from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/ activesupport-2.2.2/lib/active_support/memoizable.rb:25:in `__send__' ... 29 levels... from F:/BACKUP/Backup/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/ lib/commands/server.rb:49 from F:/BACKUP/Backup/ruby/lib/ruby/site_ruby/1.8/rubygems/ custom_require.rb:31:in `gem_original_require' from F:/BACKUP/Backup/ruby/lib/ruby/site_ruby/1.8/rubygems/ custom_require.rb:31:in `require' from script/server:3 -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: rendering images dynamically
On May 3, 2010, at 4:56 PM, Anand Ramanathan wrote:
Thanks again, Rob
I made the change you suggested (I realize that the additional
action call and redirect are redundant), and I still get the images
rendering all at once in the end. I am a newbie to rails, so dont
understand fully how it works, but here are my current confusions :
1. Does all the javascript of a "render :update" block get emitted
in one go, or does each page.do_this call in that get sent back
independently?
You get a single response to each request.
If the former, then I understand that this approach wont work for
me. If there is some way to achieve the latter, then each
page.insert_html could be sent back independently, and each image
could be rendered in parallel. Is there any way to achieve the
latter, through some setting, perhaps?
2. Rob said: You're never going to get the images to show up "one at
a time" unless you stop doing all the work in one request.
Does that mean that I cannot call multiple page. do_something calls
in parallel within the response chain of one request? All I want is
to send an async request "get_images" and receive a callback
"got_one_image" each time an image is ready...
Thanks
Anand
Yup! Now, if you really want to "chain" the requests, you could
probably do some AJAX call so that the JavaScript that is sent back
does one image replace and then immediately kicks off the next
request. Alternatively, if you really only care about the appearance
of a sequential load, do the sequential "reveals" with JavaScript (via
scriptaculous or jQuery-effects).
Of course, it might make a big difference if you're talking about 4-5
images or 400-500 images, too. Your
"some_loop_that_gets_one_image_at_a_time" is rather vague after all.
-Rob
On Mon, May 3, 2010 at 12:39 PM, Rob Biedenharn > wrote:
On May 3, 2010, at 3:20 PM, Anand Ramanathan wrote:
Thanks, Rob
I tried a variant of your suggestion, where I redirect instead of
send_data (since in my case, the images are coming from elsewhere)
- I still have the same issue (that the images are all rendered
once in the end,not one by one as they are retrieved). Here is the
current code:
main controller:
def show_images
render :update do |page|
page.replace_html 'images-div', ''
@query.load_images! do |image|
@image = image
page.insert_html :bottom, 'images-div', :partial => 'image'
unless @image.id.nil?
end
end
end
query model:
def load_images!
...
for(some_loop_that_gets_one_image_at_a_time)
block.call(image)
end
...
end
_image.html.erb
<%=image_tag('/images/%s/show' % @image.id)%>
Right here, just let the browser leverage HTTP to get the
parallelized behavior you seek:
<%= image_tag @image.url %>
or even:
If you're doing a redirect, the url isn't going to be "hidden" anyway.
You're never going to get the images to show up "one at a time"
unless you stop doing all the work in one request.
-Rob
images_controller:
def show
@image = Image.find(params[:id])
redirect_to @image.url
end
Thanks
Anand
On Mon, May 3, 2010 at 11:01 AM, Rob Biedenharn > wrote:
On May 3, 2010, at 1:49 PM, candor wrote:
I tried a couple other approaches, but no success yet:
1. I reversed the blocks below - calling the load_images from within
render :update - that did give me the results, but all at once in the
end, not as the images show up.
2. I called redirect_to page.insert_html :bottom, 'images-div', :partial => 'image', but I
get
an error 'ActionView::MissingTemplate (Missing template
/
show_image.erb in view path app/views) I dont really understand why
this is happening - shouldnt it pick the rjs template if present
instead of the erb?
What I really want is to leverage http to parallelize the retrieval
and rendering of images. How do I do that?
Thanks
Anand
Then the browser will ask for that URL and you can respond with a
send_file or send_data (rather than a render or redirect).
-Rob
On May 3, 9:11 am, candor wrote:
Hi,
I have a rails application where I respond to a request by fetching
image urls from various web api calls and need to display them as
they
come available. I am able to display all the images once I get them
all, but that causes an unacceptable delay for my user.
One approach I am trying is, from my controller, set an @image
variable, and then pass in a block to the model that retrieves the
image urls. In the block, I call
In the controller, I have:
@query.load_images! do |image|
@image = image
render :update do |page|
page.insert_html :bottom, 'images-div', :partial => 'images'
end
end
In my query model, I have:
def load_images! &block
for(some_loop_that_gets_one_image_at_a_time) do
image = get_next_image
block.call(image)
end
end
In the _images.html.erb, I have:
<%=image_tag @image.url %>
The problem is that with this approach, I get a DoubleRender
[Rails] How to read config on rails?
How to set and read config settings on rails? For example: a path to be get by a variable. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] install ing rails
Hi all, I'm having trouble installing rails onto my machine . i have a Solaris 10 x86 box, ruby version 1.8.6 gem version 1.2.0. when I try to install rails using gems with the command line: gem install rails It throws this: root# gem install rails ERROR: While executing gem ... (Errno::ENOENT) No such file or directory - /usr/local= has any one got any ideas why its throwing this error? Dan. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: how-to display an image living outside the public direct
Hi Rob, On Mon, May 3, 2010 at 2:11 PM, Robert Walker wrote: > bill walton wrote: > > I'm trying to display an image (chart) that lives outside the public > > directory in RAILS_ROOT/private. > > You probably looking for send_file: > Yeah. I was trying to use send_data and it wasn't working. Not sure why, but send_file does. I got it working but gmail doesn't send my own posts to me so couldn't reply that I'd solved it. Thanks much for replying. I appreciate it. Best regards, Bill -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: rendering images dynamically
Thanks again, Rob
I made the change you suggested (I realize that the additional action call
and redirect are redundant), and I still get the images rendering all at
once in the end. I am a newbie to rails, so dont understand fully how it
works, but here are my current confusions :
1. Does all the javascript of a "render :update" block get emitted in one
go, or does each page.do_this call in that get sent back independently? If
the former, then I understand that this approach wont work for me. If there
is some way to achieve the latter, then each page.insert_html could be sent
back independently, and each image could be rendered in parallel. Is there
any way to achieve the latter, through some setting, perhaps?
2. Rob said: You're never going to get the images to show up "one at a time"
> unless you stop doing all the work in one request.
>
Does that mean that I cannot call multiple page. do_something calls in
parallel within the response chain of one request? All I want is to send an
async request "get_images" and receive a callback "got_one_image" each time
an image is ready...
Thanks
Anand
On Mon, May 3, 2010 at 12:39 PM, Rob Biedenharn
wrote:
> On May 3, 2010, at 3:20 PM, Anand Ramanathan wrote:
>
> Thanks, Rob
>
> I tried a variant of your suggestion, where I redirect instead of send_data
> (since in my case, the images are coming from elsewhere) - I still have the
> same issue (that the images are all rendered once in the end,not one by one
> as they are retrieved). Here is the current code:
>
> main controller:
>
> def show_images
>render :update do |page|
> page.replace_html 'images-div', ''
> @query.load_images! do |image|
>@image = image
>page.insert_html :bottom, 'images-div', :partial => 'image' unless
> @image.id.nil?
> end
> end
> end
>
> query model:
>
> def load_images!
> ...
> for(some_loop_that_gets_one_image_at_a_time)
> block.call(image)
> end
> ...
> end
>
> _image.html.erb
>
> <%=image_tag('/images/%s/show' % @image.id)%>
>
>
> Right here, just let the browser leverage HTTP to get the parallelized
> behavior you seek:
>
> <%= image_tag @image.url %>
>
> or even:
>
>
>
> If you're doing a redirect, the url isn't going to be "hidden" anyway.
>
> You're never going to get the images to show up "one at a time" unless you
> stop doing all the work in one request.
>
> -Rob
>
>
>
> images_controller:
>
> def show
> @image = Image.find(params[:id])
> redirect_to @image.url
> end
>
> Thanks
> Anand
> On Mon, May 3, 2010 at 11:01 AM, Rob Biedenharn <
> r...@agileconsultingllc.com> wrote:
>
>> On May 3, 2010, at 1:49 PM, candor wrote:
>>
>> I tried a couple other approaches, but no success yet:
>>>
>>> 1. I reversed the blocks below - calling the load_images from within
>>> render :update - that did give me the results, but all at once in the
>>> end, not as the images show up.
>>> 2. I called redirect_to >> inner loop in 1, and created a show_image.js.rjs file which calls
>>> page.insert_html :bottom, 'images-div', :partial => 'image', but I get
>>> an error 'ActionView::MissingTemplate (Missing template /
>>> show_image.erb in view path app/views) I dont really understand why
>>> this is happening - shouldnt it pick the rjs template if present
>>> instead of the erb?
>>>
>>> What I really want is to leverage http to parallelize the retrieval
>>> and rendering of images. How do I do that?
>>>
>>> Thanks
>>> Anand
>>>
>>
>>
>>
>> Then the browser will ask for that URL and you can respond with a
>> send_file or send_data (rather than a render or redirect).
>>
>> -Rob
>>
>>
>>
>>>
>>>
>>> On May 3, 9:11 am, candor wrote:
>>>
Hi,
I have a rails application where I respond to a request by fetching
image urls from various web api calls and need to display them as they
come available. I am able to display all the images once I get them
all, but that causes an unacceptable delay for my user.
One approach I am trying is, from my controller, set an @image
variable, and then pass in a block to the model that retrieves the
image urls. In the block, I call
In the controller, I have:
@query.load_images! do |image|
@image = image
render :update do |page|
page.insert_html :bottom, 'images-div', :partial => 'images'
end
end
In my query model, I have:
def load_images! &block
for(some_loop_that_gets_one_image_at_a_time) do
image = get_next_image
block.call(image)
end
end
In the _images.html.erb, I have:
<%=image_tag @image.url %>
The problem is that with this approach, I get a DoubleRenderError, and
I think this is because render is being called multiple times in the
block call within the loop.
What is the best way to get the effect I need (to load images one at a
time as they become available)?
Thanks
>>>
[Rails] Re: struggling with accepts_nested_attributes_for
You're right, "Response" is a perfect valid name for a column name, I just never used a capitalized string for a column name :) Anyway, I just reproduced your app according to the (little) details you've given. It just works fine. This my input tag for a blank response_item for a new Item : and when editing an existing Item record: Mmh, are you passing "form.fields_for :response_items" in your form_for block ? Could you post the lines of the form_for block in your new/edit templates for Item model? How are you building the response_items for the Item instance in the controller? In my test app, the new action for ItemsController is : def new @item.new 12.times do @item.build end end If the max number of response_items for a given item is 12 you could do this in your edit action: def edit @item = Item.find(params[:id]) difference = 12 - @item.response_items.count difference.times do @item.build end end But I'm going too far, I think :) On 3 mai, 13:27, Kevin Tambascio wrote: > Actually, "Response" is the name of the column in the database. > Unfortunately, the schema I was asked to use was not as RoR as I would > have preferred. But you think even if that is the real column name, it > could be tripping up Rails? > > I'll try your suggestion out tonight.. > > Thanks, > Kevin > -- > Posted viahttp://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: "rake TEST=test/unit/whatever_test.rb" is executed 3 times.
Or you could try rake test:units TEST=test/unit/whatever_test.rb if it is a unit test for example -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Integration with two rails applications
Ive build a academic application where users can open tickets, something like a help desk. I want this tickets to be opened in Redmine, when the tickets get updated on Redmine, update on my software too, when the user update on my software, update in redmine. I thinking in how to do this in a smart way, what you guys think? iframe? plugin to Redmine? database integration? forget Redmine and do your own ticket system? ...? Thanks! -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: database.yml: encoding: utf8 does not work
Quoting Edmond Chui : > Joshua Muheim wrote: > > Hi all > > > > According to the Agile 2nd Ed book I added the line encoding: utf8 to my > > database.yml connections. > > > > But now when running rake I get plenty of errors: > > > > Character set 'utf-8' is not a compiled character set and is not > > specified in the '/usr/local/mysql/share/mysql/charsets/Index' file > > > > What's wrong here? > > I checked this Index file, but it seems to be empty... > > > > Thanks a lot > > Josh > > You have to make sure your database is created to utf8 as the default > character set. And that the encoding is called utf-8. In my config/database.yml I have: encoding: utf8 Also check the default and/or table(s) character set and collation in MySQL. Jeffrey -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Nested Form - Not Posting... HELP!?!?!
I have a nested form for survey responses, but the form data is not
being posted to the table; I get no errors, just null values for the
data from params ('question_id', 'answer_id' and 'note)'.
Please help!!! And thanks in advance !!
Model:
class CreateResponses < ActiveRecord::Migration
def self.up
create_table :responses do |t|
t.integer :request_id
t.integer :question_id
t.integer :answer_id
t.text :note
t.timestamps
end
end
-
Controller:
def survey_response
@request = Request.find(params[:id])
@survey = Survey.find(:first, :conditions => id =
@request.survey_id)
@question = Question.find(:all, :conditions => survey_id =
@survey.id)
@resultSet = Array.new
@question.each do |question|
answers = Answer.find(:all, :conditions => ["question_id = ?",
question.id])
questionAnswerPair = [question, answers]
@resultSet << questionAnswerPair
questionAnswerPair=[]
answers=[]
end
if request.post?
@response = Response.new(:request_id => @request.id,
:question_id => (params[:question_id]),
:answer_id => (params[:answer_id]),
:survey_id => @survey.id,
:note => (params[:note])
)
end
end
--
survey_response View:
<% @resultSet.each do |questionAnswerPair| %>
<%= questionAnswerPair[0].content %>
<%= select("@response", "answer_id",
questionAnswerPair[1].collect {|answer| [answer.content,
answer.id]}, :include_blank => true) %>
<% end %>
Additional Comments:
<%= f.text_area :note, :size => "60x5" %>
<%= f.submit "Submit" %>
<% end %>
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[Rails] duplicate inserts with field_for and has_many :through
I see 2 inserts of KeyValue rows on TranslationValue#create action
(and I should only have one). it inserts identical values.
Here are my models, the edit template, the create action and the log:
models:
class TranslationKey < ActiveRecord::Base
has_many :key_values
has_many :translation_values, :through => :key_values
end
class TranslationValue < ActiveRecord::Base
has_many :key_values
has_many :translation_keys, :through => :key_values
accepts_nested_attributes_for :translation_keys
end
class KeyValue < ActiveRecord::Base
belongs_to :translation_value
belongs_to :translation_key
end
edit tepmlate:
<% form_for(@content) do |f| %>
<%
if f.error_messages.length > 0
%>
<%= error_messages_for :content, :header_message =>
'Error', :message => '' %>
<%
end
%>
<% f.fields_for :translation_keys do |key_form| %>
<%= key_form.label :name, 'Key name' %>
<%= key_form.text_field :name %>
<%= key_form.label :tag_list, 'Add Tags' %> (separate tags with
a comma ',' )
<%= key_form.text_field :tag_list %>
<% end %>
<%= f.label :text, 'Content' %>
<%= f.text_area :text %>
<%= f.submit 'Create' %>
<% end %>
create action:
def create
@content = TranslationValue.new
respond_to do |format|
if @content.update_attributes( params[:translation_value] )
flash[:notice] = 'Key was successfully created.'
format.html { redirect_to(translation_keys_path) }
format.xml { render :xml => @content, :status
=> :created, :location => @content }
else
format.html { render :action => "new" }
format.xml { render :xml => @content.errors, :status
=> :unprocessable_entity }
end
end
end
Processing TranslationValuesController#create (for 127.0.0.1 at
2010-05-03 19:47:03) [POST]
Parameters: {"commit"=>"Create",
"translation_value"=>{"text"=>"value13",
"translation_keys_attributes"=>{"0"=>{"name"=>"key13",
"tag_list"=>""}}}, "authenticity_token"=>"J+dt/
qHwHkbKygh0wBPnXPLtpkb3Pb8URxGucEbpLa0="}
Language Load (0.1ms) SELECT * FROM `languages`
TranslationValue Columns (0.6ms) SHOW FIELDS FROM
`translation_values`
TranslationKey Columns (0.5ms) SHOW FIELDS FROM `translation_keys`
SQL (0.0ms) BEGIN
TranslationKey Load (0.2ms) SELECT `translation_keys`.id FROM
`translation_keys` WHERE (`translation_keys`.`name` = BINARY 'key13')
LIMIT 1
CACHE (0.0ms) SELECT `translation_keys`.id FROM `translation_keys`
WHERE (`translation_keys`.`name` = BINARY 'key13') LIMIT 1
TranslationValue Create (0.1ms) INSERT INTO `translation_values`
(`created_at`, `updated_at`, `text`, `language_id`) VALUES('2010-05-03
19:47:03', '2010-05-03 19:47:03', 'value13', NULL)
TranslationKey Create (0.1ms) INSERT INTO `translation_keys`
(`name`, `created_at`, `updated_at`) VALUES('key13', '2010-05-03
19:47:03', '2010-05-03 19:47:03')
Tag Load (0.2ms) SELECT `tags`.* FROM `tags` INNER JOIN `taggings`
ON `tags`.id = `taggings`.tag_id WHERE (((taggings.context = 'tags'
AND taggings.tagger_id IS NULL) AND ((`taggings`.taggable_id = 8) AND
(`taggings`.taggable_type = 'TranslationKey'))) AND
((`taggings`.taggable_id = 8) AND (`taggings`.taggable_type =
'TranslationKey')))
Tagging Load (0.2ms) SELECT * FROM `taggings` WHERE
(((`taggings`.`tagger_id` IS NULL AND `taggings`.`tag_id` IN (NULL)
AND `taggings`.`context` = 'tags' AND `taggings`.`tagger_type` IS
NULL) AND (`taggings`.taggable_id = 8 AND `taggings`.taggable_type =
'TranslationKey')) AND (`taggings`.taggable_id = 8 AND
`taggings`.taggable_type = 'TranslationKey'))
KeyValue Columns (0.5ms) SHOW FIELDS FROM `key_values`
KeyValue Create (0.1ms) INSERT INTO `key_values`
(`translation_key_id`, `translation_value_id`, `created_at`,
`updated_at`) VALUES(8, 21, '2010-05-03 19:47:03', '2010-05-03
19:47:03')
KeyValue Create (0.1ms) INSERT INTO `key_values`
(`translation_key_id`, `translation_value_id`, `created_at`,
`updated_at`) VALUES(8, 21, '2010-05-03 19:47:03', '2010-05-03
19:47:03')
SQL (2.3ms) COMMIT
Redirected to http://0.0.0.0:3000/translation_keys
Completed in 29ms (DB: 5) | 302 Found [http://0.0.0.0/
translation_values]
Thanks!
--
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Re: [Rails] Re: rendering images dynamically
On May 3, 2010, at 3:20 PM, Anand Ramanathan wrote:
Thanks, Rob
I tried a variant of your suggestion, where I redirect instead of
send_data (since in my case, the images are coming from elsewhere)
- I still have the same issue (that the images are all rendered once
in the end,not one by one as they are retrieved). Here is the
current code:
main controller:
def show_images
render :update do |page|
page.replace_html 'images-div', ''
@query.load_images! do |image|
@image = image
page.insert_html :bottom, 'images-div', :partial => 'image'
unless @image.id.nil?
end
end
end
query model:
def load_images!
...
for(some_loop_that_gets_one_image_at_a_time)
block.call(image)
end
...
end
_image.html.erb
<%=image_tag('/images/%s/show' % @image.id)%>
Right here, just let the browser leverage HTTP to get the parallelized
behavior you seek:
<%= image_tag @image.url %>
or even:
If you're doing a redirect, the url isn't going to be "hidden" anyway.
You're never going to get the images to show up "one at a time" unless
you stop doing all the work in one request.
-Rob
images_controller:
def show
@image = Image.find(params[:id])
redirect_to @image.url
end
Thanks
Anand
On Mon, May 3, 2010 at 11:01 AM, Rob Biedenharn > wrote:
On May 3, 2010, at 1:49 PM, candor wrote:
I tried a couple other approaches, but no success yet:
1. I reversed the blocks below - calling the load_images from within
render :update - that did give me the results, but all at once in the
end, not as the images show up.
2. I called redirect_to 'image', but I get
an error 'ActionView::MissingTemplate (Missing template
/
show_image.erb in view path app/views) I dont really understand why
this is happening - shouldnt it pick the rjs template if present
instead of the erb?
What I really want is to leverage http to parallelize the retrieval
and rendering of images. How do I do that?
Thanks
Anand
Then the browser will ask for that URL and you can respond with a
send_file or send_data (rather than a render or redirect).
-Rob
On May 3, 9:11 am, candor wrote:
Hi,
I have a rails application where I respond to a request by fetching
image urls from various web api calls and need to display them as they
come available. I am able to display all the images once I get them
all, but that causes an unacceptable delay for my user.
One approach I am trying is, from my controller, set an @image
variable, and then pass in a block to the model that retrieves the
image urls. In the block, I call
In the controller, I have:
@query.load_images! do |image|
@image = image
render :update do |page|
page.insert_html :bottom, 'images-div', :partial => 'images'
end
end
In my query model, I have:
def load_images! &block
for(some_loop_that_gets_one_image_at_a_time) do
image = get_next_image
block.call(image)
end
end
In the _images.html.erb, I have:
<%=image_tag @image.url %>
The problem is that with this approach, I get a DoubleRenderError, and
I think this is because render is being called multiple times in the
block call within the loop.
What is the best way to get the effect I need (to load images one at a
time as they become available)?
Thanks
Anand
Rob Biedenharn http://agileconsultingllc.com
r...@agileconsultingllc.com
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Re: [Rails] Re: rendering images dynamically
Thanks, Rob
I tried a variant of your suggestion, where I redirect instead of send_data
(since in my case, the images are coming from elsewhere) - I still have the
same issue (that the images are all rendered once in the end,not one by one
as they are retrieved). Here is the current code:
main controller:
def show_images
render :update do |page|
page.replace_html 'images-div', ''
@query.load_images! do |image|
@image = image
page.insert_html :bottom, 'images-div', :partial => 'image' unless
@image.id.nil?
end
end
end
query model:
def load_images!
...
for(some_loop_that_gets_one_image_at_a_time)
block.call(image)
end
...
end
_image.html.erb
<%=image_tag('/images/%s/show' % @image.id)%>
images_controller:
def show
@image = Image.find(params[:id])
redirect_to @image.url
end
Thanks
Anand
On Mon, May 3, 2010 at 11:01 AM, Rob Biedenharn
wrote:
> On May 3, 2010, at 1:49 PM, candor wrote:
>
> I tried a couple other approaches, but no success yet:
>>
>> 1. I reversed the blocks below - calling the load_images from within
>> render :update - that did give me the results, but all at once in the
>> end, not as the images show up.
>> 2. I called redirect_to > inner loop in 1, and created a show_image.js.rjs file which calls
>> page.insert_html :bottom, 'images-div', :partial => 'image', but I get
>> an error 'ActionView::MissingTemplate (Missing template /
>> show_image.erb in view path app/views) I dont really understand why
>> this is happening - shouldnt it pick the rjs template if present
>> instead of the erb?
>>
>> What I really want is to leverage http to parallelize the retrieval
>> and rendering of images. How do I do that?
>>
>> Thanks
>> Anand
>>
>
>
>
> Then the browser will ask for that URL and you can respond with a send_file
> or send_data (rather than a render or redirect).
>
> -Rob
>
>
>
>>
>>
>> On May 3, 9:11 am, candor wrote:
>>
>>> Hi,
>>>
>>> I have a rails application where I respond to a request by fetching
>>> image urls from various web api calls and need to display them as they
>>> come available. I am able to display all the images once I get them
>>> all, but that causes an unacceptable delay for my user.
>>>
>>> One approach I am trying is, from my controller, set an @image
>>> variable, and then pass in a block to the model that retrieves the
>>> image urls. In the block, I call
>>> In the controller, I have:
>>> @query.load_images! do |image|
>>> @image = image
>>> render :update do |page|
>>>page.insert_html :bottom, 'images-div', :partial => 'images'
>>> end
>>>end
>>>
>>> In my query model, I have:
>>>
>>> def load_images! &block
>>> for(some_loop_that_gets_one_image_at_a_time) do
>>> image = get_next_image
>>> block.call(image)
>>> end
>>> end
>>>
>>> In the _images.html.erb, I have:
>>>
>>> <%=image_tag @image.url %>
>>>
>>> The problem is that with this approach, I get a DoubleRenderError, and
>>> I think this is because render is being called multiple times in the
>>> block call within the loop.
>>>
>>> What is the best way to get the effect I need (to load images one at a
>>> time as they become available)?
>>>
>>> Thanks
>>> Anand
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Ruby on Rails: Talk" group.
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>>> rubyonrails-talk+unsubscr...@googlegroups.com
>>> .
>>> For more options, visit this group athttp://
>>> groups.google.com/group/rubyonrails-talk?hl=en.
>>>
>>
>> --
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>> "Ruby on Rails: Talk" group.
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>>
>>
> Rob Biedenharn http://agileconsultingllc.com
> r...@agileconsultingllc.com
>
>
>
>
> --
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[Rails] Re: how-to display an image living outside the public direct
bill walton wrote: > I'm trying to display an image (chart) that lives outside the public > directory in RAILS_ROOT/private. You probably looking for send_file: http://railsapi.com/doc/rails-v2.3.5/classes/ActionController/Streaming.html#M001587 -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] how-to display an image living outside the public directory
I'm trying to display an image (chart) that lives outside the public directory in RAILS_ROOT/private. The chart contains confidential information and so can't live in /public or any sub-directories of /public. The chart needs to be displayed from a partial. The first display of the page containing the partial is an html render. Subsequently, the user can select a different chart causing an ajax call which replaces the content of the image-containing dom element in the partial with a new chart image. Any thoughts / pointers are much appreciated! Best regards, Bill -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: rendering images dynamically
On May 3, 2010, at 1:49 PM, candor wrote: I tried a couple other approaches, but no success yet: 1. I reversed the blocks below - calling the load_images from within render :update - that did give me the results, but all at once in the end, not as the images show up. 2. I called redirect_to 'image', but I get an error 'ActionView::MissingTemplate (Missing template / show_image.erb in view path app/views) I dont really understand why this is happening - shouldnt it pick the rjs template if present instead of the erb? What I really want is to leverage http to parallelize the retrieval and rendering of images. How do I do that? Thanks Anand Then the browser will ask for that URL and you can respond with a send_file or send_data (rather than a render or redirect). -Rob On May 3, 9:11 am, candor wrote: Hi, I have a rails application where I respond to a request by fetching image urls from various web api calls and need to display them as they come available. I am able to display all the images once I get them all, but that causes an unacceptable delay for my user. One approach I am trying is, from my controller, set an @image variable, and then pass in a block to the model that retrieves the image urls. In the block, I call In the controller, I have: @query.load_images! do |image| @image = image render :update do |page| page.insert_html :bottom, 'images-div', :partial => 'images' end end In my query model, I have: def load_images! &block for(some_loop_that_gets_one_image_at_a_time) do image = get_next_image block.call(image) end end In the _images.html.erb, I have: <%=image_tag @image.url %> The problem is that with this approach, I get a DoubleRenderError, and I think this is because render is being called multiple times in the block call within the loop. What is the best way to get the effect I need (to load images one at a time as they become available)? Thanks Anand -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com . To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com . For more options, visit this group athttp://groups.google.com/group/rubyonrails-talk?hl=en . -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails- t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en . Rob Biedenharn http://agileconsultingllc.com r...@agileconsultingllc.com -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: rendering images dynamically
I tried a couple other approaches, but no success yet: 1. I reversed the blocks below - calling the load_images from within render :update - that did give me the results, but all at once in the end, not as the images show up. 2. I called redirect_to 'image', but I get an error 'ActionView::MissingTemplate (Missing template / show_image.erb in view path app/views) I dont really understand why this is happening - shouldnt it pick the rjs template if present instead of the erb? What I really want is to leverage http to parallelize the retrieval and rendering of images. How do I do that? Thanks Anand On May 3, 9:11 am, candor wrote: > Hi, > > I have a rails application where I respond to a request by fetching > image urls from various web api calls and need to display them as they > come available. I am able to display all the images once I get them > all, but that causes an unacceptable delay for my user. > > One approach I am trying is, from my controller, set an @image > variable, and then pass in a block to the model that retrieves the > image urls. In the block, I call > In the controller, I have: > @query.load_images! do |image| > @image = image > render :update do |page| > page.insert_html :bottom, 'images-div', :partial => 'images' > end > end > > In my query model, I have: > > def load_images! &block > for(some_loop_that_gets_one_image_at_a_time) do > image = get_next_image > block.call(image) > end > end > > In the _images.html.erb, I have: > > <%=image_tag @image.url %> > > The problem is that with this approach, I get a DoubleRenderError, and > I think this is because render is being called multiple times in the > block call within the loop. > > What is the best way to get the effect I need (to load images one at a > time as they become available)? > > Thanks > Anand > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: mysql adapter & 2 statments
>> db = ActiveRecord::Base.connection
>> db.execute("CREATE TABLE toto (id int); DROP TABLE toto;")
Sorry for this typo.
Laurent
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[Rails] mysql adapter & 2 statments
Hi,
I have an error with mysql adapter when where is two statment in the
same sql execution.
I don't have this error with postgres adapter.
If I perform, on the console, this "stupide" code :
> db = ctiveRecord::Base.connection
> db.execute(" db.execute("CREATE TABLE toto (id int); DROP TABLE toto;")
I have the error :
//
ActiveRecord::StatementInvalid: Mysql::Error: You have an error in your
SQL syntax; check the manual that corresponds to your MySQL server
version for the right syntax to use near 'DROP TABLE toto' at line 1:
CREATE TABLE toto (id int); DROP TABLE toto;
from
/Library/WebServer/Documents/RubyTimeNetV2/vendor/plugins/rows_logger/init.rb:36:in
`log'
from
/Library/WebServer/Documents/RubyTimeNetV2/vendor/rails/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb:304:in
`execute_without_query_stats'
from
/Library/WebServer/Documents/RubyTimeNetV2/vendor/plugins/query_stats/lib/query_stats/recorder.rb:16:in
`execute'
from
/Library/WebServer/Documents/RubyTimeNetV2/vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb:8:in
`realtime'
from
/Library/WebServer/Documents/RubyTimeNetV2/vendor/plugins/query_stats/lib/query_stats/recorder.rb:15:in
`execute'
from (irb):116
If I separate the two (stupids) statment, no error :
>> db.execute("CREATE TABLE toto (id int);")
=> nil
>> db.execute("DROP table toto;")
=> nil
Thanks
Laurent
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[Rails] Re: Updating an Application
On May 3, 5:14 pm, Michael Pavling wrote: > I'd suggest a review of your internal processes with all the > developers, PMs and other stakeholders to discuss how to manage code > deployment. As a suggestion, I'd recommend a branch of your code for > each of your deployed client sites. Using Git/Mercurial it's not a > huge nightmare to manage merging core changes while keeping > client-specific code in the respective branches (although I'd > recommend that was a task delegated to one "change manager" who can > keep on top of it, and be responsible for all changes - and banging > the heads of anyone who "breaks the build" :-) or depending on how different the various versions are (and in addition to what Michael has said) you could make the code support what all of your customers want and make the choice between the variants a configuration option. If you absolutely do have to make code changes to different deployments you could deploy those changes as plugins which re-open / monkey patch application classes (or toggles configuration options). You can set rails to load plugins from a directory other than vendor/plugins. Like that the app deploy would be the same across all deployments and it would load plugins in (for example) ~/site_customizations/ that would patch in per deployment stuff Fred -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] logger with backgrounDrb
Hello,
I have a backgrounDrb worker calling a ActiveRecord object, ex:
worker:
def process_campaign
Campaign.process
end
campaign.rb:
Campaign < ActiveRecord::Base
..
..
def self.process
logger.info("Start processing...")
end
If I test in dev env, the line logger.info("Start processing...") throws the
correct log info to development.log
However, in production the method process is called bu the log line is not
written to production.log
If I call the method process from a Controller, the log is written to
production.log.
Can someone point me something where I should start looking?
Thank you
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[Rails] Netbeans error?
History... before it went to heck... I have been working a project in Netbeans for a month. I did a gem update outside of Netbeans while I was installing ImageMagick and RMagick... I also had to remove one verson of ImageMagick to use the one compatible with RMagick. Everything was working well... then I went to migrate my DB back to start fresh again and I got : Malformed version number string mswin32 (ArgumentError) (LARGER TRACE) :/Ruby/lib/ruby/site_ruby/1.8/rubygems/version.rb:182:in `initialize': Malformed version number string mswin32 (ArgumentError) from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:105:in `new' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:105:in `version_for_dir' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:47:in `refresh!' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:45:in `each' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:45:in `refresh!' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ vendor_gem_source_index.rb:29:in `initialize' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ gem_dependency.rb:21:in `new' from C:/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/ gem_dependency.rb:21:in `add_frozen_gem_path' Now I can't do anything... can't run project... can do anything... Any thoughts? Did updating Ruby gems outside Netbeans screw everything up? I am happy to start fresh but can't do a darn thing. I am at the point where I am going to restart the whole project and copy each file back individually!!! ahhh!! All other old rails projects work just fine. Thanks! Shawn -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] rendering images dynamically
Hi, I have a rails application where I respond to a request by fetching image urls from various web api calls and need to display them as they come available. I am able to display all the images once I get them all, but that causes an unacceptable delay for my user. One approach I am trying is, from my controller, set an @image variable, and then pass in a block to the model that retrieves the image urls. In the block, I call In the controller, I have: @query.load_images! do |image| @image = image render :update do |page| page.insert_html :bottom, 'images-div', :partial => 'images' end end In my query model, I have: def load_images! &block for(some_loop_that_gets_one_image_at_a_time) do image = get_next_image block.call(image) end end In the _images.html.erb, I have: <%=image_tag @image.url %> The problem is that with this approach, I get a DoubleRenderError, and I think this is because render is being called multiple times in the block call within the loop. What is the best way to get the effect I need (to load images one at a time as they become available)? Thanks Anand -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: dev tool
+1 for Vim and rails.vim plugin. On Mon, May 3, 2010 at 2:40 AM, nirosh wrote: > Aptana RadRail,Netbeans i'm using these 2 for my dev. pretty cool for > me try it. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: Updating an Application
On 3 May 2010 17:02, doug wrote: >> Why do you need this system rather than just pulling down the latest >> version from source control ? > > Because there are some files that may have been modified with customer- > specific code. We never want to overwrite these files. However, if a > file in this group doesn't exist on the system being updated (as in > the case where the update adds the file) we want to write the file. So you *don't* have a SCR-managed version of your different client sites differences? Well... that's not the most unusual situation, but it's not exactly great practice. I'd suggest a review of your internal processes with all the developers, PMs and other stakeholders to discuss how to manage code deployment. As a suggestion, I'd recommend a branch of your code for each of your deployed client sites. Using Git/Mercurial it's not a huge nightmare to manage merging core changes while keeping client-specific code in the respective branches (although I'd recommend that was a task delegated to one "change manager" who can keep on top of it, and be responsible for all changes - and banging the heads of anyone who "breaks the build" :-) Approaching the problem this way, you can deal with any updates in source control long before deployment, ensuring the client is going to get the right stuff (and with a staging server, that everything is going to continue working). Approaching it from the angle you're musing about, you'll be constantly walking a tightrope that you accidentally apply the wrong tar file to the wrong site - and that's on the live site too. HTH -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Need Help on "Virtual Timer Expired" issue
Just a small update, I got this issue fixed by downgrading the version of 'mysql' gem that I installed from 2.8.1 to 2.7 and the rake db:migrate stopped throwing the 'Virtual Time Expired' error. Thanks On Mon, May 3, 2010 at 8:17 AM, v4 forums wrote: > Hi Everyone, > > I am new to RoR and in the past couple of years, I was mostly involved in > Java/J2EE programming. > > I've just started learning ruby and rails from the last few days. > Programming in Ruby on Rails is fun, the one thing I like the most is not > worrying about the boiler plate code implementations that we quite often end > up/setting up while developing any web application. But for some reason, I > found it was not that easy to install RoR on a linux machine like with > Ubuntu and get it running. I had to spend quite a lot of time to get my > ruby, rails installed and bring up the webrick server. It doesn't end there, > I had some older version of e-books for Rails which used to have classic > pagination and scaffolding stuff which simple doesn't work on the later > version of rails. It was quite bit late to realize all these changes in > place for Rails 2.3.5 but then I managed to come out of every problem that I > faced and was able to build my first rails application. It all went good > until this error when I tried to create some sessions on the database > through rake or even for that matter run db:migrate via rake. Even running > rake with 'trace' on didn't helped me much. > > *Virtual Timer Expired* (on executing rake > db:sessions:create or db:migrate) > > As I did some googling around, the only suggestion I finding is re-install > or downgrade ruby version. But it is the last thing I would like to do after > progressing this long. > > I will be really glad to hear from you, if there is a better solution to > fix this problem. > > The details of my current environment are follows: > > OS : Ubuntu Jaunty Jakalope > Ruby Version : ruby 1.8.6 (2010-02-05 patchlevel 399) [i686-linux] > Rails Version: Rails 2.3.5 > Rake Version: rake, version 0.8.7 > Database: mysql Ver 14.12 Distrib 5.0.75, for debian-linux-gnu (i486) > using readline 5.2 > > Thanks > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] How to judge whether SSL has been applied?
How to judge whether or not the SSL has been applied on the server IIS with ruby on rails? -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Updating an Application
> But if you *must* do something like the above, it's called `rsync` and > it handles case #3 as well. I'm going to look into this. Thanks for the suggestion. ... doug -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Updating an Application
> Why do you need this system rather than just pulling down the latest > version from source control ? Because there are some files that may have been modified with customer- specific code. We never want to overwrite these files. However, if a file in this group doesn't exist on the system being updated (as in the case where the update adds the file) we want to write the file. Thanks for the input. ... doug -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Displaying Errors with Code 500 as 200 in Rails3
Hi! We make Facebook-Apps with Rails3. Facebook do not display Errormessages with a Errorcode 500. So we have to display what comes as error with Code 200. I am looking forward to modify an existing Gem called buddy which makes the Facebook-Stuff. But I don't know how to do this in Rails3. I think this has something to do with Actioncontroller::Rescue But I dont know, what to change. Greetings from Germany, Klaus -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] How to set default cookie domain in Rails3
I want to set default cookie domain for my application to
".mydomain.com" to allow cookie session be preserved across
subdomains.
I use => config.action_dispatch.session = {:domain =>
".mydomain.com"} in application.rb, but thats not working. The cookie
is saved as 'mydomain.com'
Thanks for the help!
--
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[Rails] how to access serialized attributes in my views?
Hi, I have a serialized attribute in a model: serialize :some_array, Array (I've unit tested this attribute and it works just like an Array should.) Now, how do I supply my some_array attribute to my views so that I can reference elements of my array? The following, for example, won't work: <%= f.text_field :some_array[0] %> Thanks, Lille -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: How do you use rails with (triggers and Oracle)?
Chris Richards wrote: > I have an existing database in Oracle. All the tables have triggers > that insert the next value from the table sequence into the id column. > > I have told rails about the sequence using set_sequence_name. > > The problem occurs when rails trys to insert a new row. It grabs the > nextval from the sequence and uses that in its INSERT sql, BUT then the > oracle trigger trigger automatically takes over (as it should) and grabs > the next value from the sequence and forces it into the inserted row. > This results in rails having the wrong id for that record. The id that > rails has is minus one from what it should be. > > My current solution is to minus one from the model's id when i need to > use it subsequently. This is not an ideal solution and is a real ball > ache. > > Is there any way around this problem with ActiveRecord? or is there a > very clever way round it? > > Any advice would be useful. > > Thanks > > Chris Richards I have the same problem. I'm using the oracle enhanced adapter v 1.2.4. The adapter does look for a present trigger with the default trigger name (i.e. _PKT), but I don't use default names so he doesn't find it. My current solution is to simply override the method has_primary_key_trigger? that looks for the trigger: [code] module ActiveRecord module ConnectionAdapters class OracleEnhancedAdapter < AbstractAdapter def has_primary_key_trigger?(table_name, owner = nil, desc_table_name = nil, db_link = nil) true end end end end [/code] As I always use triggers, this works for me, but I know it isn't the best solution. Regards, Denzel -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: "rake TEST=test/unit/whatever_test.rb" is executed 3 times.
On May 3, 1:15 pm, Damaris Fuentes wrote: > Hi you all, > > Is this a normal behaviour? > The test is the default one when you create a model and I'm using Ruby > 1.8.6. and Rails 2.1.2. rake version is 0.8.6 If you want to run just one test I'd do ruby -Itest test/unit/ foo_test.rb I think the issue is that the default task in a rails project runs 3 sub tasks: test:units, test:functionals and test:integration. Each of these tasks then pickup the TEST environment variable you've set Fred > -- > Posted viahttp://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] "rake TEST=test/unit/whatever_test.rb" is executed 3 times.
Hi you all, I execute "rake TEST= test/unit/whatever_test.rb, and it is executed 3 times. That it, the output is something like: c:/ruby .. "test/unit/whatever_test.rb" Loaded suite . Started F Finished in 0.8 ... 1 tests, 1 assertions, 1 failures, 0 errors c:/ruby .. "test/unit/whatever_test.rb" Loaded suite . Started F Finished in 0.8 ... 1 tests, 1 assertions, 1 failures, 0 errors c:/ruby .. "test/unit/whatever_test.rb" Loaded suite . Started F Finished in 0.8 ... 1 tests, 1 assertions, 1 failures, 0 errors And at the end: Errors running test:units, test:functionals and test:integration! Is this a normal behaviour? The test is the default one when you create a model and I'm using Ruby 1.8.6. and Rails 2.1.2. rake version is 0.8.6 -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Ubuntu Linux Editor / Prettiefier
> "Normal"? What makes them any more or less "normal"? > i just knew someone would pick up on that comment!! I added in Windows to clarify, but re reading what I wrote, I should have said cut and paste buffer keystrokes, which is what I think was predominantly in my mind. The reason I stuck with the wording normal, was that it occurred to me these were not just windows keystrokes but the keystrokes used by most web browsers, which these days IMHO makes them pretty much the norm. But what the heck - I am getting better with emacs all the time, running the console in one of the buffers is working well, and switching between buffers to re run commands etc is now becoming much more automatic. I just need to learn to resist the temptation to pick up the mouse! Tonypm -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: struggling with accepts_nested_attributes_for
Actually, "Response" is the name of the column in the database. Unfortunately, the schema I was asked to use was not as RoR as I would have preferred. But you think even if that is the real column name, it could be tripping up Rails? I'll try your suggestion out tonight.. Thanks, Kevin -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: rails ROUTING map.root
Hi, During processing of request first it executes routes. so, it's not possible to add above type of conditional statement (authentication). For conditional routing refer - http://www.buildingwebapps.com/articles/7082-enhancing-conditional-routing-in-rails -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Having trouble with Validatable
Hi, You just add include Validatable in your model after installing validatable gem. level option will work with active record validation. For more information refer this url - http://validatable.rubyforge.org/ -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] local Ruby on rails events in Gurgaon,Delhi India...?
Hi All! Is there any Local Group ... or events on ruby on rails ...Meets etc I want to join that . Please tell me abt that... -Shyam -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
Re: [Rails] Re: Need Some Help in Configuring Webrick Server
Thanks a lot Fredrick. It works. On Mon, May 3, 2010 at 3:06 PM, Frederick Cheung wrote: > > > On May 3, 5:35 am, Sajith Vimukthi wrote: > > Could not find RubyGem hoe (>= 1.3.0) (Gem::LoadError) > > > > Anyway I tried with several options such as without the -e part and etc. > > > > What is this missing RubyGem hoe thing? > > > > How can I get through this? Thanks in advance. > > rubygems is a package management system for ruby libraries, and you're > being told that a library is missing. > You can install gems with gem install gem_name > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- Thanks, Regards, Sajith Vimukthi Weerakoon, T .P No : ++94-716102392 -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Finding the next item, in a group of items.
So I change it to this: <%= render :partial => @category.tutorials.ordered_by_position %> and I get the error: undefined method `ordered_by_position' I'm guessing that's because I have to create a method that orders them by position. However I'm a noob in ruby on rails, where do I create the method, and how do I make it order them by position? Thanks in advance, Sorry for being such a noob, Joe On May 3, 10:35 am, Frederick Cheung wrote: > On May 3, 8:12 am, Joe wrote: > > > Ok, so I've created my position thing for every tutorial. However now > > I need to know how I can setup render :partial to order the tutorials > > using the position, and then if two (or more) tutorials have the same > > position, then go back and check there id, and order the ones with the > > same position by id. > > > This is how I'm currently displaying the tutorials: > > > <%= render :partial => @category.tutorials %> > > > Does anyone have any ideas how I can adapt this? > > I'd probably create a named_scope on Tutorial which ordered things by > position. Since named_scopes can be chained with each other and with > an association you could do @category.tutorials.ordered_by_position > > Fred > > > > > Thanks In Advance, > > > Joe > > > On May 2, 9:18 pm, Joe wrote: > > > > Ok, So it seems that this whole tutorial ordering thing seems to be > > > the best way to go (thanks to philip anyway for giving me the code to > > > do it with ids if I wanted to); > > > The problem is I'm really a complete noob in RoR. I know how to create > > > migrations, however creating a "position" variable i which they were > > > independent to the category the tutorials were in; I have absolutely > > > no idea how to do that. And you talk about writing methods, I also do > > > not know where these methods would be created (inside a controller > > > perhaps?). > > > > Any help with this task would be kindly appriciated, > > > > Thanks In Advance, > > > > Joe > > > > On May 2, 7:18 pm, Philip Hallstrom wrote: > > > > > >> The tutorials are then displayed in order of there id (auto- > > > > >> incrementing) in their categories show method. > > > > >> The thing is, I want to create a link that goes from one tutorial > > > > >> (with an id of 10 for example) to the next tutorial in that category > > > > >> (which might not have an id of 11, as I create different tutorials at > > > > >> different times, therefore creating different ids for two tutorials > > > > >> seemingly next to eachother in order). > > > > > >> Obviously I know I will need something like this: > > > > >> <%= link_to 'Next lesson', %> > > > > > >> but I just don't know how I can manage it.. > > > > > >> By the way, every tutorial has a: category_id to determain which > > > > >> category they are in (this is an integer). > > > > > > If I were you, i'd create a position column on tutorials, which > > > > > determines the ordering of tutorials for a category (ordering by id > > > > > might seem the simplest but stops you from ever reordering tutorials. > > > > > Given a tutorial, the next one is the first one in the same category > > > > > whose position is greater than the current ones (you could write a > > > > > next_tutorial method on tutorial). There's a plugin called > > > > > acts_as_list that you might find helpful maintaining the position > > > > > column. If you're hell bent on ordering by id then it's as if id is > > > > > your position column > > > > > > Fred > > > > > I agree with Fred as it allows you to easily re-order the tutorials if > > > > you want to, but if you don't... then... > > > > > next_tutorial = Tutorial.find(:conditions => ["id > ? AND category_id > > > > = ?", current_tutorial_id, current_category_id], :order => > > > > 'id', :limit => 1) > > > > > prev_tutorial = Tutorial.find(:conditions => ["id < ? AND category_id > > > > = ?", current_tutorial_id, current_category_id], :order => 'id > > > > DESC', :limit => 1) > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Ruby on Rails: Talk" group. > > > > To post to this group, send email to rubyonrails-t...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > rubyonrails-talk+unsubscr...@googlegroups.com. > > > > For more options, visit this group > > > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Ruby on Rails: Talk" group. > > > To post to this group, send email to rubyonrails-t...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > rubyonrails-talk+unsubscr...@googlegroups.com. > > > For more options, visit this group > > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Talk" group. > > To post to this group, send email to rubyonrails-t...@googlegroups.c
[Rails] Re: Need Some Help in Configuring Webrick Server
On May 3, 5:35 am, Sajith Vimukthi wrote: > Could not find RubyGem hoe (>= 1.3.0) (Gem::LoadError) > > Anyway I tried with several options such as without the -e part and etc. > > What is this missing RubyGem hoe thing? > > How can I get through this? Thanks in advance. rubygems is a package management system for ruby libraries, and you're being told that a library is missing. You can install gems with gem install gem_name -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: Finding the next item, in a group of items.
On May 3, 8:12 am, Joe wrote: > Ok, so I've created my position thing for every tutorial. However now > I need to know how I can setup render :partial to order the tutorials > using the position, and then if two (or more) tutorials have the same > position, then go back and check there id, and order the ones with the > same position by id. > > This is how I'm currently displaying the tutorials: > > <%= render :partial => @category.tutorials %> > > Does anyone have any ideas how I can adapt this? > I'd probably create a named_scope on Tutorial which ordered things by position. Since named_scopes can be chained with each other and with an association you could do @category.tutorials.ordered_by_position Fred > Thanks In Advance, > > Joe > > On May 2, 9:18 pm, Joe wrote: > > > > > > > Ok, So it seems that this whole tutorial ordering thing seems to be > > the best way to go (thanks to philip anyway for giving me the code to > > do it with ids if I wanted to); > > The problem is I'm really a complete noob in RoR. I know how to create > > migrations, however creating a "position" variable i which they were > > independent to the category the tutorials were in; I have absolutely > > no idea how to do that. And you talk about writing methods, I also do > > not know where these methods would be created (inside a controller > > perhaps?). > > > Any help with this task would be kindly appriciated, > > > Thanks In Advance, > > > Joe > > > On May 2, 7:18 pm, Philip Hallstrom wrote: > > > > >> The tutorials are then displayed in order of there id (auto- > > > >> incrementing) in their categories show method. > > > >> The thing is, I want to create a link that goes from one tutorial > > > >> (with an id of 10 for example) to the next tutorial in that category > > > >> (which might not have an id of 11, as I create different tutorials at > > > >> different times, therefore creating different ids for two tutorials > > > >> seemingly next to eachother in order). > > > > >> Obviously I know I will need something like this: > > > >> <%= link_to 'Next lesson', %> > > > > >> but I just don't know how I can manage it.. > > > > >> By the way, every tutorial has a: category_id to determain which > > > >> category they are in (this is an integer). > > > > > If I were you, i'd create a position column on tutorials, which > > > > determines the ordering of tutorials for a category (ordering by id > > > > might seem the simplest but stops you from ever reordering tutorials. > > > > Given a tutorial, the next one is the first one in the same category > > > > whose position is greater than the current ones (you could write a > > > > next_tutorial method on tutorial). There's a plugin called > > > > acts_as_list that you might find helpful maintaining the position > > > > column. If you're hell bent on ordering by id then it's as if id is > > > > your position column > > > > > Fred > > > > I agree with Fred as it allows you to easily re-order the tutorials if > > > you want to, but if you don't... then... > > > > next_tutorial = Tutorial.find(:conditions => ["id > ? AND category_id > > > = ?", current_tutorial_id, current_category_id], :order => > > > 'id', :limit => 1) > > > > prev_tutorial = Tutorial.find(:conditions => ["id < ? AND category_id > > > = ?", current_tutorial_id, current_category_id], :order => 'id > > > DESC', :limit => 1) > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Ruby on Rails: Talk" group. > > > To post to this group, send email to rubyonrails-t...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > rubyonrails-talk+unsubscr...@googlegroups.com. > > > For more options, visit this group > > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Talk" group. > > To post to this group, send email to rubyonrails-t...@googlegroups.com. > > To unsubscribe from this group, send email to > > rubyonrails-talk+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Re: struggling with accepts_nested_attributes_for
Hello,
I think the issue could be in the 'Response' attribute in :
accepts_nested_attributes_for :response_items, :allow_destroy =>
true,
:reject_if => proc { |attributes| attributes['Response'].blank? }
The way you wrote this method means that creations (or updates) of
ResponseItem instances are being rejected if the attribute named
'Response' is blank. I don't think ResponseItem has a 'Response'
attribute, which by the way is an invalid name (capitalized) for an
attribute name.
If you correct the statement above with this:
accepts_nested_attributes_for :response_items, :allow_destroy =>
true,
:reject_if => proc { |attributes| attributes.all? {|k,v|
v.blank?} }
ResponseItem instances will be rejected (not saved) when all
attributes are blank.
If you need to reject instances when a specific attribute is blank you
could substitute the 'proc' with :
proc { |attributes| attributes['attribute_name'].blank? }
On May 2, 11:27 pm, Kevin Tambascio wrote:
> Hi,
>
> I've been struggling with getting accepts_nested_attributes_for to work
> perfectly with a nested model form. This is a project that was started
> before Rails 2.0, and I'm trying to use new techniques in the new
> functionality. I'm presently using Rails 2.3.4. I'm down to one last
> issue, and I'm not finding an answer so far.
>
> The system I'm building deals with Items that have ResponseItem's as
> children (think questions with multiple choices). Creating a new item
> works fine. By default, the item has 12 potential responses. A form is
> rendered that allows the user to enter up to 12 responses. The saving
> of the new item works fine.
>
> The issue is with editing. Say the item was created with 4 responses.
> When the edit form is rendered, 4 of the responses are shown, and the
> other 8 are blank (only the first 4 are representing objects in the
> databases, the blank ones have no database records). When the form is
> submitted, I'm receiving an HTTP 500 error, with this output in the log:
>
> Completed in 176ms (View: 95, DB: 22) | 200 OK
> [http://localhost/items/edit/648?assessment_id=1]
> /!\ FAILSAFE /!\ Sun May 02 21:04:01 UTC 2010
> Status: 500 Internal Server Error
> expected Array (got Hash) for param `response_items_attributes'
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/utils.rb:85:in
> `normalize_params'
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/utils.rb:94:in
> `normalize_params'
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/utils.rb:62:in
> `parse_nested_query'
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/utils.rb:60:in
> `each'
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/utils.rb:60:in
> `parse_nested_query'
>
> /opt/jruby-1.4.0/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/request.rb:140: in
> `POST'
>
>
> The call stack does not even show my code, it's all framework so far.
>
> The models look like this:
>
> class Item < ActiveRecord::base
> ...
> attr_accessor :response_item_ids
> has_many :response_items
> accepts_nested_attributes_for :response_items, :allow_destroy => true,
> :reject_if => proc { |attributes| attributes['Response'].blank? }
> ...
> end
>
> class ResponseItem < ActiveRecord::base
> ...
> belongs_to :item
> ...
> end
>
> The only real clue so far, is the names of the fields on the edit form
> are different whether it's a pre-filled response, or a blank one.
>
> This is for a response that has an item in the database:
>
> name="item[response_items_attributes][1311][Response]" size="30"
> type="text" value="Very familiar - I could explain common
> product/service offerings" />
>
>
> This is for a blank response item, with no object in the database:
>
> name="item[response_items_attributes][][Response]" size="30" type="text"
> />
>
>
> My hunch is that mixing a form with some items that have an ID, and some
> that are blank for an ID, is potentially causing trouble in the
> normalize_params function?
>
> One possible solution could be that for blank responses, I create a
> temporary database item, so that they have an ID field filled out. When
> I try to edit an item with all 12 responses, it does work because
> there's an ID field for each response.
>
> Clear as mud? :) Tough to explain this in a forum. If anyone has any
> thoughts, I'd appreciate it.
>
> Thanks,
> Kevin
> --
> Posted viahttp://www.ruby-forum.com/.
>
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[Rails] Need Some Help in Configuring Webrick Server
Hi, I am very new to ruby and I have encountered some problem in starting up the webrick server. I used the command ruby script/server webrick -e production and I encounter with the following error. C:\Redmine\redmine-0.9.4>ruby script/server webrick -e production => Booting WEBrick => Rails 2.3.5 application starting on http://0.0.0.0:3000C:/Ruby/lib/ruby/site_ruby/1.8/rubygems.rb:636:in `report_activate_error': Could not find RubyGem hoe (>= 1.3.0) (Gem::LoadError) Anyway I tried with several options such as without the -e part and etc. What is this missing RubyGem hoe thing? How can I get through this? Thanks in advance. Thanks, Regards, Sajith Vimukthi Weerakoon, T .P No : ++94-716102392 -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
[Rails] Need Help on "Virtual Timer Expired" issue
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[Rails] Scriptaculous Problems
Hello community,
I am a fairly new RoR programmer and I need some help with
Scriptaculous Drag and Drop:
So I have
<%= draggable_element(@div_id, :revert => "failure", :snap => 5) -%>
and a droppable:
<%= drop_receiving_element(@team_div_id, :with => "'player=' +
(element.id)+ '&position=' + #{draft_position}" ,:complete =>
visual_effect(:highlight), :update=>"status" , :url => { :action =>
"receive_drop"}, :hoverclass => 'hover' ) %>
<% end %>
I would like to allow the draggable to "snap" to a droppable position
if close or revert back to its original position if it isnt near a
droppable.
I have searched over the net but I have been unsuccessful with this
issue. I understand there's the Snap option but I want it to snap INTO
a droppable when close or go back to its original position.
Can anyone help me with this, or point me in the right position?
Essentially its just "Snap to a grid" but I have been unable to find a
simple example. I appreciate the help!
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[Rails] Re: Finding the next item, in a group of items.
Ok, so I've created my position thing for every tutorial. However now I need to know how I can setup render :partial to order the tutorials using the position, and then if two (or more) tutorials have the same position, then go back and check there id, and order the ones with the same position by id. This is how I'm currently displaying the tutorials: <%= render :partial => @category.tutorials %> Does anyone have any ideas how I can adapt this? Thanks In Advance, Joe On May 2, 9:18 pm, Joe wrote: > Ok, So it seems that this whole tutorial ordering thing seems to be > the best way to go (thanks to philip anyway for giving me the code to > do it with ids if I wanted to); > The problem is I'm really a complete noob in RoR. I know how to create > migrations, however creating a "position" variable i which they were > independent to the category the tutorials were in; I have absolutely > no idea how to do that. And you talk about writing methods, I also do > not know where these methods would be created (inside a controller > perhaps?). > > Any help with this task would be kindly appriciated, > > Thanks In Advance, > > Joe > > On May 2, 7:18 pm, Philip Hallstrom wrote: > > > > > >> The tutorials are then displayed in order of there id (auto- > > >> incrementing) in their categories show method. > > >> The thing is, I want to create a link that goes from one tutorial > > >> (with an id of 10 for example) to the next tutorial in that category > > >> (which might not have an id of 11, as I create different tutorials at > > >> different times, therefore creating different ids for two tutorials > > >> seemingly next to eachother in order). > > > >> Obviously I know I will need something like this: > > >> <%= link_to 'Next lesson', %> > > > >> but I just don't know how I can manage it.. > > > >> By the way, every tutorial has a: category_id to determain which > > >> category they are in (this is an integer). > > > > If I were you, i'd create a position column on tutorials, which > > > determines the ordering of tutorials for a category (ordering by id > > > might seem the simplest but stops you from ever reordering tutorials. > > > Given a tutorial, the next one is the first one in the same category > > > whose position is greater than the current ones (you could write a > > > next_tutorial method on tutorial). There's a plugin called > > > acts_as_list that you might find helpful maintaining the position > > > column. If you're hell bent on ordering by id then it's as if id is > > > your position column > > > > Fred > > > I agree with Fred as it allows you to easily re-order the tutorials if > > you want to, but if you don't... then... > > > next_tutorial = Tutorial.find(:conditions => ["id > ? AND category_id > > = ?", current_tutorial_id, current_category_id], :order => > > 'id', :limit => 1) > > > prev_tutorial = Tutorial.find(:conditions => ["id < ? AND category_id > > = ?", current_tutorial_id, current_category_id], :order => 'id > > DESC', :limit => 1) > > > -- > > You received this message because you are subscribed to the Google Groups > > "Ruby on Rails: Talk" group. > > To post to this group, send email to rubyonrails-t...@googlegroups.com. > > To unsubscribe from this group, send email to > > rubyonrails-talk+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to rubyonrails-t...@googlegroups.com. > To unsubscribe from this group, send email to > rubyonrails-talk+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
