# Top
**URL:** https://www.ruby-forum.com/top.md?page=1819
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**Page:** 1820
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## [Validates\_uniqueness\_of - how did I get two users?](https://www.ruby-forum.com/t/validates-uniqueness-of-how-did-i-get-two-users/161676)
I have the following in my user model: validates\_uniqueness\_of :login, :email, :case\_sensitive =\> false yet somehow I ended up with two users with the same email. Does this line mean that the COMBINATION is unique (…
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## [Secure nginx](https://www.ruby-forum.com/t/secure-nginx/160917)
Is there some specific parameters that are used to lock down nginx for example that might prevent sql injection or css attacks. I have read “Apache Security” and “Preventing Apache Web Attacks” but not quite sure how …
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## [Hi team! installation of ruby on rails on ubuntu 8.10](https://www.ruby-forum.com/t/hi-team-installation-of-ruby-on-rails-on-ubuntu-8-10/160870)
hello there can any one help me out to get the installation of ruby on rails on ubuntu 8.10 i tried installing but it could not help me out either stilll showing up you have currently the programs not installed ple…
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## [Rails and Singeltons](https://www.ruby-forum.com/t/rails-and-singeltons/159051)
Does it make sense to make a singleton class in Rails? I made a singelton class but everytime I do model.instance.id in some controller it is always different. Is this because it is in development mode so the classes …
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## [Extending a wizard](https://www.ruby-forum.com/t/extending-a-wizard/157456)
Hi, I’ve created a simple wizard that collects data in 3 steps and then posts it to a Create action. Validation is only performed when the data is posted. However, I would like the individual steps to be validated …
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## [Table associated problem using belongs\_to](https://www.ruby-forum.com/t/table-associated-problem-using-belongs-to/156854)
I have two tables: Table \[packages\] id name user\_name 1 PK1 Ray Table \[users\] id name full\_name 2 Ray Ray Sun My purpose is to find the full name when I find packages. So I modify Model Package to: class…
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## [Data extraction using Scrubyt](https://www.ruby-forum.com/t/data-extraction-using-scrubyt/154928)
Hi All, I need to fetch some information from http://www.ebay.in. My required fields are : Name of the product, Image, Price and the link to that product. am able to get the data using this method. require ‘rubygems…
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## [How to integrate two rails project](https://www.ruby-forum.com/t/how-to-integrate-two-rails-project/150266)
I have a existing rails project, and i need integrate(plug) into a new rails project, how? thanks
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## [An issue regarding http://localhost/3000/](https://www.ruby-forum.com/t/an-issue-regarding-http-localhost-3000/148506)
I am new to the Ruby on Rails programming system and I just purchased Railspace but I cannot pull up this URL needed to progress further through the book, It is telling me it is an invalid URL, what should I do?
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## [Assemble many images files into one .mpeg or .mov](https://www.ruby-forum.com/t/assemble-many-images-files-into-one-mpeg-or-mov/147917)
I’m looking to use something like: http://gd2.rubyforge.org/ to generate several 100 images, and then run some other ruby program to combine the images into a video file (mpeg or mov or any standard format.) Is ther…
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## [While loop : execute code and THEN check condition](https://www.ruby-forum.com/t/while-loop-execute-code-and-then-check-condition/147928)
Im sure this was possible in C but in ruby i couldnt find something similiar. I want a control structure which will execute the code first and then check if the condition is true or not. something like do something …
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## [Has\_one with :source\_type](https://www.ruby-forum.com/t/has-one-with-source-type/147142)
I am trying to extend the classic example class Magazine \< ActiveRecord::Base has\_many :subscriptions has\_many :rental\_events , :through =\> : subscriptions, :source =\> :redaer, :source\_type…
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## [Timed tasks](https://www.ruby-forum.com/t/timed-tasks/145371)
Here’s the situation. I have a set of tasks that need to be executed after some specific time after they were created (say 9876 seconds). They only need to be executed once. Also there can potentially be tens of thous…
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## [Where to upload a ruby script to share it?](https://www.ruby-forum.com/t/where-to-upload-a-ruby-script-to-share-it/144985)
Hi, I’ve made a ruby script to translate UTM to LAT,LON coordinates and viceversa. I think that GitHub and RubyForge are too big for this simple project: it works and I’ve no intention to continue it. I will use GPL …
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## [Spectrum Inversion](https://www.ruby-forum.com/t/spectrum-inversion/140616)
Hi, I have recorded a signal that is spectrum inverted. I’ve heard that it’s possible to restore the signal by “swapping” I and Q, but I remember that there was a “minus” to intruduce in-between. Could you please hel…
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## [Slurp or dump a table to yml](https://www.ruby-forum.com/t/slurp-or-dump-a-table-to-yml/138890)
I’m looking for a way to slurp or dump a table to a yml file. I have found several ‘backup’ procedures but they cause problems with my join tables and I just want to dump a couple of the join tables anyway. Is there s…
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## [Best e-commerce on rails?](https://www.ruby-forum.com/t/best-e-commerce-on-rails/137135)
Greetings – I need to set up a shop online and I want to use Rails. However, most of the top shops, e.g. reviewed in http://blog.webdistortion.com/2008/05/03/9-kick-ass-open-source-e-commerce-platforms-reviewed/ – are…
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## [OT CSS styling for form field lables:](https://www.ruby-forum.com/t/ot-css-styling-for-form-field-lables/133473)
I want to have my form field and their associated labels stack vertically without introducing xhtml inline or block elements. So, given this: \<% = Full Legal Name: \
**Author:** [@bogea](https://www.ruby-forum.com/u/bogea)\
**Replies:** 3\
**Last updated:** [December 12, 2007, 10:50pm UTC](https://www.ruby-forum.com/t/meta-who-is-the-reciever/122769 "2007-12-12T22:50:08Z")
Hi guys, first sorry my poor english. I’m a spanish speaker from argentina seing a video-conf from Dave T. on metaprogramming I rose these questions: who is the reciever? where are stored the method definitions? cl…
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## [Nginx-0.6.21](https://www.ruby-forum.com/t/nginx-0-6-21/121992)
Changes with nginx 0.6.21 03 Dec 2007 \*) Change: if variable values used in a "proxy\_pass" directive contain IP-addresses only, then a “resolver” directive is not mandatory. r…
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## [Porting Ruby: 1.8 or 1.9?](https://www.ruby-forum.com/t/porting-ruby-1-8-or-1-9/119897)
I’ve got a consulting gig at the moment, working on Stratus fault-tolerant servers, and I don’t have much excuse to play with Ruby. So I thought “Wouldn’t it be fun to try porting Ruby to Stratus?” (Stratus servers …
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## [How to get the variables from a class](https://www.ruby-forum.com/t/how-to-get-the-variables-from-a-class/118947)
I have this code: require ‘appliances’ class Toast\
**Author:** [@doug](https://www.ruby-forum.com/u/doug)\
**Replies:** 3\
**Last updated:** [October 20, 2007, 5:09am UTC](https://www.ruby-forum.com/t/template-location-not-default/117770 "2007-10-20T05:09:50Z")
By default, Rails associates an action with a template having the same name as the name of the action and residing in a directory with the same name as the name of the controller. Is there some way from within the a…
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## [Test/partials problem](https://www.ruby-forum.com/t/test-partials-problem/116405)
hi, i have a partial that works fine in my application but when i run functional tests they fail when my partial references any locals that I have passed in. if i change references to ‘locals’ in the partial to have …
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## [Inband pings and clock](https://www.ruby-forum.com/t/inband-pings-and-clock/111187)
What is ‘pingval’ and what is its units? I didn’t think most pings had a value, only empty responses for which you could compute whatever delay value you please by calculating the time between. http://gnuradio.org/tr…
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## [Shoes 0.r9 -- an entirely new GUI toolkit](https://www.ruby-forum.com/t/shoes-0-r9-an-entirely-new-gui-toolkit/110798)
Hey, yeah. Today marks the first experimental release of Shoes. http://code.whytheluckystiff.net/shoes/ Shoes is a GUI toolkit, built with Cairo and Pango alone, which takes its cues from the web. Rather than buildi…
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## [Solution to your problems](https://www.ruby-forum.com/t/solution-to-your-problems/109733)
I have found an excellent resource having discussions about programming, .Net remoting, Web applications, database management, Cisco certifications, MCSD certifications and a lot more. Read more… http://www.it-techexp…
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## [Module name == class name?](https://www.ruby-forum.com/t/module-name-class-name/109110)
Hi, I use the open-source automated functional test tool: Watir. In each class I hold methods relating to a specific HTML page. To avoid any name conflict, I think I should be wrapping each class within a module. Is …
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## [Assert\_equal - problems returning value from controller](https://www.ruby-forum.com/t/assert-equal-problems-returning-value-from-controller/108722)
Hi, I have the following assert\_equal that is returning false. @q seems to be returning niil, but is set in the controller, how can I get hold of this value in my tests? assert\_equal ‘derby’, @q Thanks Mark
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## [How to use after\_save method to set fields on other models?](https://www.ruby-forum.com/t/how-to-use-after-save-method-to-set-fields-on-other-models/105094)
Hello, I am having some problems using the after\_save callback to update a field on another model, could anyone give me directions? Here is what I have: class Model1 \< ActiveRecord::Base has\_many model2 after\_save …
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## [What authentication plugin/framework do you use?](https://www.ruby-forum.com/t/what-authentication-plugin-framework-do-you-use/102729)
Very interested in seeing what you are using and why. We’re trying to choose ourselves, but having trouble coming to a conclusion. Thanks guys. Jake
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## [Ruby/Tk and OS X--deployment question](https://www.ruby-forum.com/t/ruby-tk-and-os-x-deployment-question/89502)
I’m learning GUI programming with Ruby/Tk on Mac OS X (10.4.9). How does one deploy standalone Ruby applications on OS X, especially if you are not using Ruby-Cocoa? Is there a tool like py2app (Python) that gathers u…
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## [Onglet JS](https://www.ruby-forum.com/t/onglet-js/89420)
http://www.tiobe.com/tpci.htm January Headline: Ruby declared TIOBE’s Programming Language of 2006! http://www.bobdylan.com/songs/times.html \[…\] The line it is drawn The curse it is cast The slow one now Will late…
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## [Value returned from code block](https://www.ruby-forum.com/t/value-returned-from-code-block/80388)
I’ve read that in Ruby the value returned from a code block is the value of the last expression executed. Is it so? If Yes, I don’t understand the value returned by the following code block! def clistIter clist = \[1,…
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## [Multiple text fields all with the same method](https://www.ruby-forum.com/t/multiple-text-fields-all-with-the-same-method/73624)
I have 3 text fields in a form , all with the same method, since those params will be inserted via a loop which is set up in the create action. However, I’m noticing that the form is only sending through the 1st valu…
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## [Testing the ApplicationController for assignments](https://www.ruby-forum.com/t/testing-the-applicationcontroller-for-assignments/68629)
Hi all. I’m using the ApplicationController to set a session variable for all other controllers. It works. However, when performing functional tests, it appears that calling a controller doesn’t invoke its parent’s be…
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## [Render RJS and action from submit\_tag?](https://www.ruby-forum.com/t/render-rjs-and-action-from-submit-tag/67940)
I’m using “file column” for multiple image uploads. Sometimes it takes a while for the upload to complete and I would like to provide a tiny bit of feedback to the user while it’s uploading. Right now I don’t need a …
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## [Difference instance variable @ or self](https://www.ruby-forum.com/t/difference-instance-variable-or-self/66740)
First: I’m new to Ruby Simple model: class Product \< ActiveRecord::Base def save STDERR \<\< "save: " \<\< @name \<\< “\\n” STDERR \<\< "save: " \<\< self.name \<\< “\\n” end end I thought that both lines should give the same …
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## [Using :group and :order with find()](https://www.ruby-forum.com/t/using-group-and-order-with-find/66010)
I find that when using both the group and order parameters with find I get unexpected results. Perhaps I’m doing this incorrectly OR perhaps my expectations just need adjusting. Either way, here’s what I’m doing: cl…
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## [Search\_behavior svn access problem](https://www.ruby-forum.com/t/search-behavior-svn-access-problem/100897)
Hello. I’m trying to download the latest search\_behavior plugin via svn but I get the following access problem: electronicbusiness plugins # svn co http://nobits.org/svn/rails/plugins/search\_behavior svn: PROPFIND re…
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## [Any ideas for candidates for HOPL-III?](https://www.ruby-forum.com/t/any-ideas-for-candidates-for-hopl-iii/98511)
“In 1978, the first History of Programming Language Conference (HOPL) described the development of 13 computer programming languages, the people who participated in that work, and the context in which it was undertake…
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## [DateTime.parse error on win32 (long timezone names)](https://www.ruby-forum.com/t/datetime-parse-error-on-win32-long-timezone-names/97228)
NOTE: this is a cross-post from comp.lang.ruby, because I don’t think anyone read that message, which I posted about two months ago. The date parsing code in the Ruby stdlib (date/format.rb) does not parse strings wit…
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## [Any update on SoC students?](https://www.ruby-forum.com/t/any-update-on-soc-students/60353)
I saw the announcement a couple of weeks back now, was wondering if Ruby Central has been getting a good response? Any students stepped up to the refactoring tools challenge? Python seemed to attract a lot of interest…
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## [RoR book for beginner](https://www.ruby-forum.com/t/ror-book-for-beginner/58802)
Hi folks, I see there are two books recommended on the RoR website. As usual I would like some recommendation from users on this matter. I am currently a .NET developer and familiar with a few languages outside of …
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## [Profiling views](https://www.ruby-forum.com/t/profiling-views/58757)
Hi folks ! I’ve been using Rails for about 2 months now, but I’ve some performance problems. So I was wondering if there’s a way to profile views ? Thanks !
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## [Rubynuby == so many libraries, so little time](https://www.ruby-forum.com/t/rubynuby-so-many-libraries-so-little-time/102916)
Reading this forum while trying to study the pickaxe book and teach this old dog some new tricks, I am at once awed and dazed by the huge number of library’s available to the would be ruby programmer. I was just wonde…
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## [RAILS\_ROOT Help Required!](https://www.ruby-forum.com/t/rails-root-help-required/55923)
Hi, I am new over here and also a newbie for Ruby on Rails. I am working on a simple webapp for my band work. I have created a upload controller/model and database which allows to save my files in the directory at /p…
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## [Validation and update](https://www.ruby-forum.com/t/validation-and-update/54690)
Hi, I have validation working in a situation similar to the following. (Please forgive any minor typos below) class Department \< ActiveRecord::Base has\_many :people end class Person \< ActiveRecord::Base belongs\_to…
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## [Using aspects to apply authentication](https://www.ruby-forum.com/t/using-aspects-to-apply-authentication/54336)
Greeting. I was wondering if anyone is using AOP (Aspect Oriented Programming) to ensure login and authentication before allowing someone access to controllers and models. I found two versions of RCR 321 that discuss…
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