# Rails **URL:** https://www.ruby-forum.com/c/ruby-on-rails/6.md?page=1517 [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:** 1518 --- ## [Reverse\_proxy\_fix and Flex URLs](https://www.ruby-forum.com/t/reverse-proxy-fix-and-flex-urls/127334)
**Author:** [@gers32](https://www.ruby-forum.com/u/gers32)\ **Replies:** 0\ **Last updated:** [January 28, 2008, 12:47pm UTC](https://www.ruby-forum.com/t/reverse-proxy-fix-and-flex-urls/127334 "2008-01-28T12:47:30Z")
Hi, I’ve set up several “Production type” environments using the very promising beta book “Deploying Rails Applications”: Mongrel (x2) + Apache in Win XP and Mongrel (x2) + Apache + IIS in Win 2K3. Unfortunately, the… --- ## [Does an object have children - method](https://www.ruby-forum.com/t/does-an-object-have-children-method/127281)
**Author:** [@jimmypalmer](https://www.ruby-forum.com/u/jimmypalmer)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 11:59am UTC](https://www.ruby-forum.com/t/does-an-object-have-children-method/127281 "2008-01-28T11:59:47Z")
Is there a technique/method that tells whether an object has a child or many children or no children? for example parent has\_many :children\_1 parent has\_many :children\_2 Given the parent, how do I get the two colle… --- ## [File Uploads](https://www.ruby-forum.com/t/file-uploads/127321)
**Author:** [@arpit\_jain](https://www.ruby-forum.com/u/arpit_jain)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 11:32am UTC](https://www.ruby-forum.com/t/file-uploads/127321 "2008-01-28T11:32:48Z")
Hi All. how can i write test cases for video and image uploads. I am using attachment\_fu plugin. Thanks Arpit --- ## [Mysql collation Error](https://www.ruby-forum.com/t/mysql-collation-error/126772)
**Author:** [@sam](https://www.ruby-forum.com/u/sam)\ **Replies:** 2\ **Last updated:** [January 28, 2008, 10:45am UTC](https://www.ruby-forum.com/t/mysql-collation-error/126772 "2008-01-28T10:45:32Z")
Hello, I am having following mysql error. ActiveRecord::StatementInvalid occurred in event#lg: Mysql::Error: Illegal mix of collations (latin1\_swedish\_ci,IMPLICIT) and (utf8\_general\_ci,COERCIBLE) for operation ‘=’… --- ## [Rails Deployment 101 Tutorials](https://www.ruby-forum.com/t/rails-deployment-101-tutorials/126911)
**Author:** [@Brian\_Moschel](https://www.ruby-forum.com/u/Brian_Moschel)\ **Replies:** 2\ **Last updated:** [January 28, 2008, 9:43am UTC](https://www.ruby-forum.com/t/rails-deployment-101-tutorials/126911 "2008-01-28T09:43:44Z")
Just wanted to point out a link to some tutorials on deploying Rails with Mongrel, Apache, and Capistrano. I’ve included solutions to many of the common issues that you’ll run into when using this deployment pattern. … --- ## [Reading oracle data type char in radio\_button](https://www.ruby-forum.com/t/reading-oracle-data-type-char-in-radio-button/126949)
**Author:** [@backz](https://www.ruby-forum.com/u/backz)\ **Replies:** 2\ **Last updated:** [January 28, 2008, 9:36am UTC](https://www.ruby-forum.com/t/reading-oracle-data-type-char-in-radio-button/126949 "2008-01-28T09:36:05Z")
Hi, I am having problem when I read oracle char data type on edit form(after saving the form and go to edit page again, all the radio buttons are unchecked). text\_field works fine for char data type. Is there any spe… --- ## [Selection and button](https://www.ruby-forum.com/t/selection-and-button/127327)
**Author:** [@casid](https://www.ruby-forum.com/u/casid)\ **Replies:** 0\ **Last updated:** [January 28, 2008, 9:30am UTC](https://www.ruby-forum.com/t/selection-and-button/127327 "2008-01-28T09:30:03Z")
I have selection like シフト表CSV出力l template\_of\_roster1.xml template\_of\_roster2.xml template\_of\_roster3.xml and also one button. I want to write a condition like if I choose option id==tmp1 when I … --- ## [How I changed my mobile into cash?](https://www.ruby-forum.com/t/how-i-changed-my-mobile-into-cash/196581)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 0\ **Last updated:** [January 28, 2008, 8:24am UTC](https://www.ruby-forum.com/t/how-i-changed-my-mobile-into-cash/196581 "2008-01-28T08:24:50Z")
Join US and get, Latest offerings on your fingertips. Information of the latest product in tune with your interest. Up-to-date news on upcoming gizmos and gadgets. Check them at your leisure. On top of it all, effor… --- ## [100 Free Ruby On Rails hosting a/cs](https://www.ruby-forum.com/t/100-free-ruby-on-rails-hosting-a-cs/126720)
**Author:** [@NeevaaN](https://www.ruby-forum.com/u/NeevaaN)\ **Replies:** 4\ **Last updated:** [January 28, 2008, 8:20am UTC](https://www.ruby-forum.com/t/100-free-ruby-on-rails-hosting-a-cs/126720 "2008-01-28T08:20:42Z")
hi, I can give some 100, “100MB a/cs for RoR developers”. Please mail me offlist. Neevaan --- ## [Newbie question](https://www.ruby-forum.com/t/newbie-question/127304)
**Author:** [@dacbo](https://www.ruby-forum.com/u/dacbo)\ **Replies:** 2\ **Last updated:** [January 28, 2008, 6:44am UTC](https://www.ruby-forum.com/t/newbie-question/127304 "2008-01-28T06:44:28Z")
I am running through this tutorial: I have created the forms and the input form is working to create books and they are in the database but when I go to list.rhml it keeps telling me there are no books. Here is the c… --- ## [Webrick fails to start under eclipse 3.3/windows xp](https://www.ruby-forum.com/t/webrick-fails-to-start-under-eclipse-3-3-windows-xp/126178)
**Author:** [@daveh0](https://www.ruby-forum.com/u/daveh0)\ **Replies:** 3\ **Last updated:** [January 28, 2008, 5:57am UTC](https://www.ruby-forum.com/t/webrick-fails-to-start-under-eclipse-3-3-windows-xp/126178 "2008-01-28T05:57:06Z")
I’ve installed Eclipse 3.3 and associated radrails plugins on windows xp. i’m unable to start the webrick server after creating a new rails project. The error is An internal error occurred during: “Starting server”. … --- ## [Validates\_uniqueness\_of customization](https://www.ruby-forum.com/t/validates-uniqueness-of-customization/127246)
**Author:** [@dcgrigsby](https://www.ruby-forum.com/u/dcgrigsby)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 4:53am UTC](https://www.ruby-forum.com/t/validates-uniqueness-of-customization/127246 "2008-01-28T04:53:10Z")
Hey, I have a simple web app where I would like users to sign up with a maximum of two accounts per email address. What would be the rails way of accomplishing this. Is there anyway of modifying validates\_uniqueness\_… --- ## [Problems connecting Rails to Oracle](https://www.ruby-forum.com/t/problems-connecting-rails-to-oracle/126319)
**Author:** [@cgarada](https://www.ruby-forum.com/u/cgarada)\ **Replies:** 7\ **Last updated:** [January 28, 2008, 4:20am UTC](https://www.ruby-forum.com/t/problems-connecting-rails-to-oracle/126319 "2008-01-28T04:20:51Z")
Hi I’m hoping someone can assist me with a problem I’m having connecting to a local Oracle database: Running Windows XP Pro. I have Oracle 816 and Oracle 92 clients as well as Oracle 10g Express DB. Downloaded Bitna… --- ## [How do I make an Ajax call when a page loads?](https://www.ruby-forum.com/t/how-do-i-make-an-ajax-call-when-a-page-loads/127312)
**Author:** [@Henry\_Collingridge](https://www.ruby-forum.com/u/Henry_Collingridge)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 4:00am UTC](https://www.ruby-forum.com/t/how-do-i-make-an-ajax-call-when-a-page-loads/127312 "2008-01-28T04:00:56Z")
Hi all, I have a view in which periodically\_call\_remote is updating a partial every 5 seconds. Actually, the updating is getting done in an rjs which also calls effect.highlight (via visual\_effect :highlight) on tabl… --- ## [How to test Goldberg as a plugin?](https://www.ruby-forum.com/t/how-to-test-goldberg-as-a-plugin/127313)
**Author:** [@dcarneiro](https://www.ruby-forum.com/u/dcarneiro)\ **Replies:** 0\ **Last updated:** [January 28, 2008, 3:51am UTC](https://www.ruby-forum.com/t/how-to-test-goldberg-as-a-plugin/127313 "2008-01-28T03:51:33Z")
I created a new Rails app and installed Goldberg. Now I want to run the unit tests that come with Goldberg. I notice the database tables are all prefixed with goldberg\_, while the fixture and unit test files do not ha… --- ## [Esquema Public in Postgres](https://www.ruby-forum.com/t/esquema-public-in-postgres/127310)
**Author:** [@jarrouj](https://www.ruby-forum.com/u/jarrouj)\ **Replies:** 0\ **Last updated:** [January 28, 2008, 3:33am UTC](https://www.ruby-forum.com/t/esquema-public-in-postgres/127310 "2008-01-28T03:33:03Z")
Hello People, I am working with Postgres as BD and want to create a scheme that is not public. Since I can do to construct the controller. --- ## [Problems with submitting](https://www.ruby-forum.com/t/problems-with-submitting/127303)
**Author:** [@fries88](https://www.ruby-forum.com/u/fries88)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 3:11am UTC](https://www.ruby-forum.com/t/problems-with-submitting/127303 "2008-01-28T03:11:03Z")
Hi, I am trying to save only one field out of the five in the form(All these five fields belongs to the same table). Can someone please help me achieve that? Thanks --- ## [Link\_to question](https://www.ruby-forum.com/t/link-to-question/127301)
**Author:** [@longint](https://www.ruby-forum.com/u/longint)\ **Replies:** 1\ **Last updated:** [January 28, 2008, 2:38am UTC](https://www.ruby-forum.com/t/link-to-question/127301 "2008-01-28T02:38:46Z")
I’m a noob trying to learn 2.0 via the AWDR 1.2 book. What I’m doing is the depot app and I’m trying to follow the admin/store controller way. So right now I have a Product model and I ditched the products\_controlle… --- ## [Mysqladmin - command not found](https://www.ruby-forum.com/t/mysqladmin-command-not-found/127222)
**Author:** [@dangermoose](https://www.ruby-forum.com/u/dangermoose)\ **Replies:** 3\ **Last updated:** [January 28, 2008, 12:40am UTC](https://www.ruby-forum.com/t/mysqladmin-command-not-found/127222 "2008-01-28T00:40:48Z")
I have just installed MySQL on my Leopard notebook (clean install) and when I tried to use the sqlmyadmin command in the console, it returned the message “command not found”. Does this mean that MySQL has not yet been… --- ## [Will paginate - how to display ... and restrict number of pages?](https://www.ruby-forum.com/t/will-paginate-how-to-display-and-restrict-number-of-pages/127297)
**Author:** [@bparanj](https://www.ruby-forum.com/u/bparanj)\ **Replies:** 1\ **Last updated:** [January 27, 2008, 11:05pm UTC](https://www.ruby-forum.com/t/will-paginate-how-to-display-and-restrict-number-of-pages/127297 "2008-01-27T23:05:37Z")
I want the digg style pagination which looks like this: http://www.strangerstudios.com/sandbox/pagination/diggstyle.php Does anyone know how to make the will\_paginate plugin to restrict the number of page links betwee… --- ## [Assigning wrong data type to attribute: how to trap error](https://www.ruby-forum.com/t/assigning-wrong-data-type-to-attribute-how-to-trap-error/127265)
**Author:** [@Kip](https://www.ruby-forum.com/u/Kip)\ **Replies:** 2\ **Last updated:** [January 27, 2008, 10:03pm UTC](https://www.ruby-forum.com/t/assigning-wrong-data-type-to-attribute-how-to-trap-error/127265 "2008-01-27T22:03:00Z")
A model has only one column, a numeric and the class definition has no constraints define.: create\_table "examples"do |t| t.integer “numberid” end in IRB I create a row, save it, and then attempt to assign “abcd” to … --- ## [Auto\_complete\_field and ENTER](https://www.ruby-forum.com/t/auto-complete-field-and-enter/127285)
**Author:** [@sp00nyg](https://www.ruby-forum.com/u/sp00nyg)\ **Replies:** 4\ **Last updated:** [January 27, 2008, 9:35pm UTC](https://www.ruby-forum.com/t/auto-complete-field-and-enter/127285 "2008-01-27T21:35:10Z")
I use auto-complete to help with tag entry and a few other areas. Some example code is: Tags (ex: “sales compliance”, marketing, fast)\ \<%= form.text\_field :tag\_list, :maxlength =\> 255, :id =\> ‘f\_r\_tags’, :… --- ## [Using acts\_as\_list, acts\_as\_tree, and STI in one model](https://www.ruby-forum.com/t/using-acts-as-list-acts-as-tree-and-sti-in-one-model/127289)
**Author:** [@marko](https://www.ruby-forum.com/u/marko)\ **Replies:** 0\ **Last updated:** [January 27, 2008, 9:22pm UTC](https://www.ruby-forum.com/t/using-acts-as-list-acts-as-tree-and-sti-in-one-model/127289 "2008-01-27T21:22:18Z")
Check it out y’all: http://rafb.net/p/NJg5U147.html (pastie was down) I’m trying to make a tree which belongs\_to another model, where you can have sections or items as children, and sections can have sections or ite… --- ## [Acceed the parent in nested function](https://www.ruby-forum.com/t/acceed-the-parent-in-nested-function/127286)
**Author:** [@jney](https://www.ruby-forum.com/u/jney)\ **Replies:** 0\ **Last updated:** [January 27, 2008, 9:03pm UTC](https://www.ruby-forum.com/t/acceed-the-parent-in-nested-function/127286 "2008-01-27T21:03:54Z")
hi, how can i acceed the parent in nested function. ex: user.reviews.count i want to acceed user object in count function. I tried with scoped\_methods but it doesn’t work in this case. is there another, a better way? … --- ## [Changing the database from mysql to sqlite3 - need help](https://www.ruby-forum.com/t/changing-the-database-from-mysql-to-sqlite3-need-help/127284)
**Author:** [@truetype](https://www.ruby-forum.com/u/truetype)\ **Replies:** 1\ **Last updated:** [January 27, 2008, 8:43pm UTC](https://www.ruby-forum.com/t/changing-the-database-from-mysql-to-sqlite3-need-help/127284 "2008-01-27T20:43:54Z")
As far as I know, the only thing you need to change is database.yaml. So I set up it, changing adapter from mysql to sqlite and pointing to the file, which should play a role of database. Now when I try to run rake db… --- ## [AJAX Maps](https://www.ruby-forum.com/t/ajax-maps/96542)
**Author:** [@gamafranco](https://www.ruby-forum.com/u/gamafranco)\ **Replies:** 11\ **Last updated:** [January 27, 2008, 6:11pm UTC](https://www.ruby-forum.com/t/ajax-maps/96542 "2008-01-27T18:11:27Z")
Hi, I would like to know if there is a library that provides an API to support map scrolling, like the one available in google maps. This is, I would like to create a user interface where the user is able to see a sm… --- ## [Hidden inputs fields are always strings(chars)?](https://www.ruby-forum.com/t/hidden-inputs-fields-are-always-strings-chars/127269)
**Author:** [@sgudibanda](https://www.ruby-forum.com/u/sgudibanda)\ **Replies:** 2\ **Last updated:** [January 27, 2008, 6:08pm UTC](https://www.ruby-forum.com/t/hidden-inputs-fields-are-always-strings-chars/127269 "2008-01-27T18:08:54Z")
Hi, I am trying to implement wizard for my application. I am doing it with hidden divs. For navigation purposes: I am using hidden input fields such as: So that when someone presses next, i can increment the curr… --- ## [ActiveRecord diff?](https://www.ruby-forum.com/t/activerecord-diff/127243)
**Author:** [@pete](https://www.ruby-forum.com/u/pete)\ **Replies:** 1\ **Last updated:** [January 27, 2008, 5:17pm UTC](https://www.ruby-forum.com/t/activerecord-diff/127243 "2008-01-27T17:17:40Z")
Hi- I have a situation where I would like to get the difference of the last 2 records in each column in my DB. So, lets say I have col1 and col2, with values below. col1 = 1, 2 col2 = 3, 4 What I would like to do i… --- ## [RSS Feeds](https://www.ruby-forum.com/t/rss-feeds/127275)
**Author:** [@flnative](https://www.ruby-forum.com/u/flnative)\ **Replies:** 0\ **Last updated:** [January 27, 2008, 5:17pm UTC](https://www.ruby-forum.com/t/rss-feeds/127275 "2008-01-27T17:17:32Z")
I tried to use the episode 87 (#87 Generating RSS Feeds - RailsCasts) but it didn’t run. When I call articles.rss, the browser (IE or firefox) show error 406 can’t read the format. How can I solve the problem? Thanks… --- ## [Income Opportunities without Investment](https://www.ruby-forum.com/t/income-opportunities-without-investment/127271)
**Author:** [@Priyabrata\_Patra](https://www.ruby-forum.com/u/Priyabrata_Patra)\ **Replies:** 0\ **Last updated:** [January 27, 2008, 4:03pm UTC](https://www.ruby-forum.com/t/income-opportunities-without-investment/127271 "2008-01-27T16:03:29Z")
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