# Rails **URL:** https://www.ruby-forum.com/c/ruby-on-rails/6.md?page=825 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 826 --- ## [Simple question about collections](https://www.ruby-forum.com/t/simple-question-about-collections/174555)
**Author:** [@trevoke](https://www.ruby-forum.com/u/trevoke)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 2:50pm UTC](https://www.ruby-forum.com/t/simple-question-about-collections/174555 "2009-08-31T14:50:43Z")
Alright, so… Let’s try this: I have a view which one way or another calls a controller action and wants to update a div. This controller action finds a collection of records and does a render :partial with said c… --- ## [Users, Roles and Permissions](https://www.ruby-forum.com/t/users-roles-and-permissions/174618)
**Author:** [@Arne\_De\_Herdt](https://www.ruby-forum.com/u/Arne_De_Herdt)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 2:36pm UTC](https://www.ruby-forum.com/t/users-roles-and-permissions/174618 "2009-08-31T14:36:49Z")
Hello, I’m currently working on a text-based roleplay browser game, and i’m trying to figure out what the best approach would be in order to create a system that allows me to assign roles to a user, and permissions … --- ## [List of installed gems](https://www.ruby-forum.com/t/list-of-installed-gems/174665)
**Author:** [@abhishek](https://www.ruby-forum.com/u/abhishek)\ **Replies:** 5\ **Last updated:** [August 31, 2009, 2:31pm UTC](https://www.ruby-forum.com/t/list-of-installed-gems/174665 "2009-08-31T14:31:31Z")
hi i have installed ruby 1.9.0 now when i type ‘gem list’, it shows: \*\*\* LOCAL GEMS \*\*\* how can i get the list of installed gems?? nd how can i check rails version? after installing ruby 1.9.0 my webrick server is … --- ## [Creating more than 1 child for an already existing parent](https://www.ruby-forum.com/t/creating-more-than-1-child-for-an-already-existing-parent/174671)
**Author:** [@akramwasim1234](https://www.ruby-forum.com/u/akramwasim1234)\ **Replies:** 8\ **Last updated:** [August 31, 2009, 1:52pm UTC](https://www.ruby-forum.com/t/creating-more-than-1-child-for-an-already-existing-parent/174671 "2009-08-31T13:52:55Z")
hi all, i have a parent by namr "consultancy" I want to create more than 1 child models for analready existing consultancy which has some extra feilds Plz help me in this regard. --- ## [Clearing warning in log](https://www.ruby-forum.com/t/clearing-warning-in-log/174684)
**Author:** [@bingobob](https://www.ruby-forum.com/u/bingobob)\ **Replies:** 5\ **Last updated:** [August 31, 2009, 1:52pm UTC](https://www.ruby-forum.com/t/clearing-warning-in-log/174684 "2009-08-31T13:52:55Z")
\<%= link\_to(\[image\_tag photo.data.url(:small)\],resort\_path(@resort)) %\> and i get this warning… warning: parenthesize argument(s) for future version it works but with the warning. All i’d like to do is just a link\_to… --- ## [My controller seems to have trouble finding the model](https://www.ruby-forum.com/t/my-controller-seems-to-have-trouble-finding-the-model/174679)
**Author:** [@jijiji](https://www.ruby-forum.com/u/jijiji)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 12:49pm UTC](https://www.ruby-forum.com/t/my-controller-seems-to-have-trouble-finding-the-model/174679 "2009-08-31T12:49:40Z")
in my \\app\\controllers\\business\_controller.rb: class BusinessController \< ApplicationController def search @businesses = Business.search(params\[:businessname\], params\[:city\]) end end in my \\app\\models\\business.rb: … --- ## [Render action inside js template](https://www.ruby-forum.com/t/render-action-inside-js-template/174552)
**Author:** [@fabiokr](https://www.ruby-forum.com/u/fabiokr)\ **Replies:** 1\ **Last updated:** [August 31, 2009, 12:43pm UTC](https://www.ruby-forum.com/t/render-action-inside-js-template/174552 "2009-08-31T12:43:13Z")
Hello all, I’m trying to create the following: There is a index page that lists some items, and ‘new item’ button. I want the user to be able to click the button, and with ajax the page will be refreshed to show the … --- ## [Learning](https://www.ruby-forum.com/t/learning/174680)
**Author:** [@Prashu](https://www.ruby-forum.com/u/Prashu)\ **Replies:** 0\ **Last updated:** [August 31, 2009, 12:24pm UTC](https://www.ruby-forum.com/t/learning/174680 "2009-08-31T12:24:29Z")
I am working in cleartrip.com on ruy on rails ,so what are things i want to learn to become good developer on Ruby on Rails --- ## [Finally a blog post on Ruby on Rail naming conventions for the nuuubs~~](https://www.ruby-forum.com/t/finally-a-blog-post-on-ruby-on-rail-naming-conventions-for-the-nuuubs/174678)
**Author:** [@jijiji](https://www.ruby-forum.com/u/jijiji)\ **Replies:** 0\ **Last updated:** [August 31, 2009, 12:17pm UTC](https://www.ruby-forum.com/t/finally-a-blog-post-on-ruby-on-rail-naming-conventions-for-the-nuuubs/174678 "2009-08-31T12:17:26Z")
Just like to share the link http://itsignals.cascadia.com.au/?p=7 --- ## [Nested each loops](https://www.ruby-forum.com/t/nested-each-loops/174673)
**Author:** [@brianp](https://www.ruby-forum.com/u/brianp)\ **Replies:** 0\ **Last updated:** [August 31, 2009, 10:45am UTC](https://www.ruby-forum.com/t/nested-each-loops/174673 "2009-08-31T10:45:30Z")
Hey, sorry for double post So I keep getting “undefined method \`each’ for #\”. The call that gets made returns 1 word object with 2 definition objects. I can verify both definition objects get r… --- ## [Controller Method ..?](https://www.ruby-forum.com/t/controller-method/171868)
**Author:** [@hemantborole](https://www.ruby-forum.com/u/hemantborole)\ **Replies:** 3\ **Last updated:** [August 31, 2009, 10:20am UTC](https://www.ruby-forum.com/t/controller-method/171868 "2009-08-31T10:20:23Z")
How to call a method of a controller into … another controller … another model … … Do u guys have any idea … ? … --- ## [InvalidAuthenticityToken](https://www.ruby-forum.com/t/invalidauthenticitytoken/174542)
**Author:** [@karthik](https://www.ruby-forum.com/u/karthik)\ **Replies:** 4\ **Last updated:** [August 31, 2009, 9:28am UTC](https://www.ruby-forum.com/t/invalidauthenticitytoken/174542 "2009-08-31T09:28:47Z")
Hi guys What does the below line says ActionController::InvalidAuthenticityToken (ActionController::InvalidAuthenticityToken): -e:2:in \`load’ -e:2 Please guide me – Karthik.k Mobile - +91-9894991640 --- ## [Rmagick issue](https://www.ruby-forum.com/t/rmagick-issue/174534)
**Author:** [@arunvoip](https://www.ruby-forum.com/u/arunvoip)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 9:11am UTC](https://www.ruby-forum.com/t/rmagick-issue/174534 "2009-08-31T09:11:49Z")
Hi all… i am working on rails version 1.2.3 (it is must to work on version 1.2.3) & ruby 1.8.6. For my project i want to convert text in to images files… so that i use rmagick… it is working fine for only english… i … --- ## [1 Form \> 2 Models \> 2nd Model Requres 1st Model ID](https://www.ruby-forum.com/t/1-form-2-models-2nd-model-requres-1st-model-id/174535)
**Author:** [@brianp](https://www.ruby-forum.com/u/brianp)\ **Replies:** 4\ **Last updated:** [August 31, 2009, 8:40am UTC](https://www.ruby-forum.com/t/1-form-2-models-2nd-model-requres-1st-model-id/174535 "2009-08-31T08:40:11Z")
Hey Everyone, So I have one form that submits information to create 2 models (A, B). I need the ID of model A to be inserted into model B. But the ID isn’t created until it hits the database (auto\_increment). But if f… --- ## [Calling same controller method from multiple site in radiant](https://www.ruby-forum.com/t/calling-same-controller-method-from-multiple-site-in-radiant/174659)
**Author:** [@mrbless](https://www.ruby-forum.com/u/mrbless)\ **Replies:** 0\ **Last updated:** [August 31, 2009, 7:48am UTC](https://www.ruby-forum.com/t/calling-same-controller-method-from-multiple-site-in-radiant/174659 "2009-08-31T07:48:05Z")
Hi all, I am using radiant cms with multiple site extension and shared layouts extension. My query is that how can i call the same controller method from two sites. My intension is to use only one ruby app and based o… --- ## [JRuby vs Ruby: why would you ever use ruby?](https://www.ruby-forum.com/t/jruby-vs-ruby-why-would-you-ever-use-ruby/173834)
**Author:** [@AlwaysCharging](https://www.ruby-forum.com/u/AlwaysCharging)\ **Replies:** 34\ **Last updated:** [August 31, 2009, 7:45am UTC](https://www.ruby-forum.com/t/jruby-vs-ruby-why-would-you-ever-use-ruby/173834 "2009-08-31T07:45:44Z")
Why would anyone use ruby over Jruby? I’m admittedly a noob about all this stuff, but from what I’ve read jruby seems superior to ruby and quite a bit faster. What would be the disadvantages of JRuby? I man it’s po… --- ## [What do these tags do \<%- xxxxxx -%\>](https://www.ruby-forum.com/t/what-do-these-tags-do-xxxxxx/174649)
**Author:** [@jyothsna](https://www.ruby-forum.com/u/jyothsna)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 7:00am UTC](https://www.ruby-forum.com/t/what-do-these-tags-do-xxxxxx/174649 "2009-08-31T07:00:46Z")
Hi, I see some code from some open source project. in many of the view files(.erb) , I see the following statements. Idont understand how they are interpreted… are they comments, or shown on UI, or just executed? \<%… --- ## [TinyMCE and image upload](https://www.ruby-forum.com/t/tinymce-and-image-upload/111553)
**Author:** [@apie](https://www.ruby-forum.com/u/apie)\ **Replies:** 10\ **Last updated:** [August 31, 2009, 2:40am UTC](https://www.ruby-forum.com/t/tinymce-and-image-upload/111553 "2009-08-31T02:40:12Z")
Hi All Im using Blake’s tinyMCE plugin. I want to add image upload functionality or at least image browse - the standard tinyMCE image pop-up doesn’t really provide for a great user experience. What is the best rout… --- ## [Does paperclip set width and height of images?](https://www.ruby-forum.com/t/does-paperclip-set-width-and-height-of-images/174646)
**Author:** [@fipa](https://www.ruby-forum.com/u/fipa)\ **Replies:** 1\ **Last updated:** [August 31, 2009, 2:23am UTC](https://www.ruby-forum.com/t/does-paperclip-set-width-and-height-of-images/174646 "2009-08-31T02:23:50Z")
It’s all in the title= I don’t remember if xxx\_width and xxx\_height are magic columns that paperclip would automatically fill if ImageMagick can handle the upload. It seems no to me, but that would be so easy to add… --- ## [Snow leopard + pg gem](https://www.ruby-forum.com/t/snow-leopard-pg-gem/174640)
**Author:** [@jai](https://www.ruby-forum.com/u/jai)\ **Replies:** 2\ **Last updated:** [August 31, 2009, 12:39am UTC](https://www.ruby-forum.com/t/snow-leopard-pg-gem/174640 "2009-08-31T00:39:08Z")
Hi, I installed snow leopard on my machine and my ruby on rails project stopped working… When I tried script/server I this error Booting WEBrick =\> Rails 2.3.3 application starting on http://0.0.0.0:3000 /Library/… --- ## [Time.today?](https://www.ruby-forum.com/t/time-today/174574)
**Author:** [@fipa](https://www.ruby-forum.com/u/fipa)\ **Replies:** 12\ **Last updated:** [August 30, 2009, 11:34pm UTC](https://www.ruby-forum.com/t/time-today/174574 "2009-08-30T23:34:41Z")
Hi, Time.today fails on my server and works on my dev machine, both run Rails 2.3.3. What’s going on? --- ## [Instrumenting rails response times with cache-money](https://www.ruby-forum.com/t/instrumenting-rails-response-times-with-cache-money/174642)
**Author:** [@spidaman](https://www.ruby-forum.com/u/spidaman)\ **Replies:** 0\ **Last updated:** [August 30, 2009, 9:15pm UTC](https://www.ruby-forum.com/t/instrumenting-rails-response-times-with-cache-money/174642 "2009-08-30T21:15:57Z")
I’m trying to chase down intermittent production performance problems. I see entries like this in app log Completed in 196ms (View: 22, DB: 7) which is a fine start but I’m looking for details such cache-money hit/ m… --- ## [Force lowercase username in a model](https://www.ruby-forum.com/t/force-lowercase-username-in-a-model/104887)
**Author:** [@Tirta\_KSUntario](https://www.ruby-forum.com/u/Tirta_KSUntario)\ **Replies:** 9\ **Last updated:** [August 30, 2009, 8:38pm UTC](https://www.ruby-forum.com/t/force-lowercase-username-in-a-model/104887 "2009-08-30T20:38:53Z")
Hi guys, I ran into small problem here, but couldn’t find the solution anywhere. I have this model: create\_table :users do |t| t.column "username", :string t.column "email", :string t.column "passw… --- ## [Status of various RoR releases](https://www.ruby-forum.com/t/status-of-various-ror-releases/174595)
**Author:** [@piegut](https://www.ruby-forum.com/u/piegut)\ **Replies:** 1\ **Last updated:** [August 30, 2009, 7:01pm UTC](https://www.ruby-forum.com/t/status-of-various-ror-releases/174595 "2009-08-30T19:01:53Z")
Hi All, I was thinking about adding a page to the RoR wiki that had a list of RoR release versions, and a status for each. (This all stemmed from me wanting to release a 2.2.2 app when 2.3.3 is current, and not havin… --- ## [Need version 2.1.0 of SQL Server adapter for Rails](https://www.ruby-forum.com/t/need-version-2-1-0-of-sql-server-adapter-for-rails/174619)
**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\ **Replies:** 1\ **Last updated:** [August 30, 2009, 6:41pm UTC](https://www.ruby-forum.com/t/need-version-2-1-0-of-sql-server-adapter-for-rails/174619 "2009-08-30T18:41:24Z")
Is there any place that I can get versions of the SQL Server adapter for Rails that are \<= 2.1.0? I’ve looked at Rails SQL Server · GitHub and the oldest version there appears to be 2.2. Thanks, Wes --- ## [Problems with MySQL Installation](https://www.ruby-forum.com/t/problems-with-mysql-installation/174597)
**Author:** [@urmel1960](https://www.ruby-forum.com/u/urmel1960)\ **Replies:** 4\ **Last updated:** [August 30, 2009, 3:34pm UTC](https://www.ruby-forum.com/t/problems-with-mysql-installation/174597 "2009-08-30T15:34:46Z")
Hello: I am trying to get rails up and running with mysql for a redmine installation. When I try to install the mysql gem, I get the following: h1605521:/ # gem install mysql Building native extensions. This could … --- ## [HAML problem on hosting](https://www.ruby-forum.com/t/haml-problem-on-hosting/174631)
**Author:** [@dhruvasagar](https://www.ruby-forum.com/u/dhruvasagar)\ **Replies:** 1\ **Last updated:** [August 30, 2009, 1:44pm UTC](https://www.ruby-forum.com/t/haml-problem-on-hosting/174631 "2009-08-30T13:44:37Z")
I am using HAML, i’ve been using it since quite sometime, but I haven’t worked with actually deploying applications to web hostings. Currently I am trying to host my application to a hostmonster webhosting that I own,… --- ## [Rails Deployment](https://www.ruby-forum.com/t/rails-deployment/174632)
**Author:** [@dhruvasagar](https://www.ruby-forum.com/u/dhruvasagar)\ **Replies:** 1\ **Last updated:** [August 30, 2009, 1:28pm UTC](https://www.ruby-forum.com/t/rails-deployment/174632 "2009-08-30T13:28:49Z")
Hi, How do I configure my rails app for a custom gems directory ? My hosting tells me that I need to add this to my scripts : $:.push(“/home/concptpl/ruby/gems”) But that seems to be for independent ruby scripts, how… --- ## [Can non-ActiveRecord variables be temporarily stored in a class?](https://www.ruby-forum.com/t/can-non-activerecord-variables-be-temporarily-stored-in-a-class/174261)
**Author:** [@coolaj86](https://www.ruby-forum.com/u/coolaj86)\ **Replies:** 8\ **Last updated:** [August 30, 2009, 12:48pm UTC](https://www.ruby-forum.com/t/can-non-activerecord-variables-be-temporarily-stored-in-a-class/174261 "2009-08-30T12:48:26Z")
I’m creating a PDF directory using PDF::Writer. The directory has a few pieces. The photo directory is sorted by group The appendix is sorted by last name I want the appendix to show the page number on which the pers… --- ## [How to mock block](https://www.ruby-forum.com/t/how-to-mock-block/174627)
**Author:** [@flyerhzm](https://www.ruby-forum.com/u/flyerhzm)\ **Replies:** 0\ **Last updated:** [August 30, 2009, 8:54am UTC](https://www.ruby-forum.com/t/how-to-mock-block/174627 "2009-08-30T08:54:53Z")
I have written the following codes: uri = URI.parse(page\_url) response = Net::HTTP.start(uri.host, uri.port) do |http| http.get(uri.request\_uri, headers) end How can mock it with different uri.request\_uri and return… [Previous page](https://www.ruby-forum.com/c/ruby-on-rails/6.md?page=824) [Next page](https://www.ruby-forum.com/c/ruby-on-rails/6.md?page=826)