# Top **URL:** https://www.ruby-forum.com/top.md?page=917 [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:** 918 --- ## [Strange document loss](https://www.ruby-forum.com/t/strange-document-loss/108906)
**Author:** [@ahfeel](https://www.ruby-forum.com/u/ahfeel)\ **Replies:** 3\ **Last updated:** [July 9, 2007, 12:11pm UTC](https://www.ruby-forum.com/t/strange-document-loss/108906 "2007-07-09T12:11:45Z")
Hi all :slight\_smile: I’m experiencing strange document loss with Ferret 0.11.4 / Ruby 1.8.4. The index handles around 3000 documents, and sometimes during a query\_update operation, the delete is done but not the add.… --- ## [Send a 30 Second Clip of an mp3](https://www.ruby-forum.com/t/send-a-30-second-clip-of-an-mp3/97535)
**Author:** [@kortina](https://www.ruby-forum.com/u/kortina)\ **Replies:** 3\ **Last updated:** [February 4, 2007, 6:38am UTC](https://www.ruby-forum.com/t/send-a-30-second-clip-of-an-mp3/97535 "2007-02-04T06:38:52Z")
On my site I’m allowing users to upload songs in mp3 format. Members can download the full song, but on public pages I would like to use a flash player to play a 30 second clip of the song and/or allow downloading of… --- ## [DRb and ActiveRecord](https://www.ruby-forum.com/t/drb-and-activerecord/97300)
**Author:** [@ezra\_z](https://www.ruby-forum.com/u/ezra_z)\ **Replies:** 3\ **Last updated:** [January 25, 2006, 6:33pm UTC](https://www.ruby-forum.com/t/drb-and-activerecord/97300 "2006-01-25T18:33:54Z")
Friends- I am trying to make a drb server publish an ActiveRecord model so it can be used by remote clients. It looks like I am getting close but no cigar. Can some kind soul enlighten me as to how to make this work?… --- ## [String scan on html](https://www.ruby-forum.com/t/string-scan-on-html/49276)
**Author:** [@bruno.bazzani](https://www.ruby-forum.com/u/bruno.bazzani)\ **Replies:** 3\ **Last updated:** [December 2, 2005, 2:18am UTC](https://www.ruby-forum.com/t/string-scan-on-html/49276 "2005-12-02T02:18:12Z")
Please consider the following code: require ‘net/http’ Net::HTTP.start(‘weather.gmdss.org’) do |http| response = http.get(‘/III.html’) response.body.scan(/\/) {|link| puts “#{link}\\n\\n”} end I expect to have e… --- ## [Nginx-1.10.1](https://www.ruby-forum.com/t/nginx-1-10-1/244712)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [June 1, 2016, 1:13pm UTC](https://www.ruby-forum.com/t/nginx-1-10-1/244712 "2016-06-01T13:13:01Z")
Changes with nginx 1.10.1 31 May 2016 \*) Security: a segmentation fault might occur in a worker process while writing a specially crafted request body to a temporary file (CVE… --- ## [D3.js, Rails-5 Machine Learning Stock Market App For Your Laptop](https://www.ruby-forum.com/t/d3-js-rails-5-machine-learning-stock-market-app-for-your-laptop/244656)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [May 22, 2016, 2:15am UTC](https://www.ruby-forum.com/t/d3-js-rails-5-machine-learning-stock-market-app-for-your-laptop/244656 "2016-05-22T02:15:30Z")
D3-Rails-people,I just finished writing spy611.com which is a D3.js-Rails-5-web-app with a Python scikit-learn machine learning back-end.I use D3.js in this page:http://www.spy611.com/aggbtThe above page shows an agg… --- ## [4 random numbers take highest 3 and add them together](https://www.ruby-forum.com/t/4-random-numbers-take-highest-3-and-add-them-together/216423)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [February 5, 2012, 3:37am UTC](https://www.ruby-forum.com/t/4-random-numbers-take-highest-3-and-add-them-together/216423 "2012-02-05T03:37:33Z")
I want to get 4 random numbers. The numbers will be between 1-6. I want to disregard the smallest number and add the three biggest numbers together. So far I wrote some ruby that I thought would do this but I keep get… --- ## [wxRuby global hotkeys](https://www.ruby-forum.com/t/wxruby-global-hotkeys/204060)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [April 27, 2011, 1:00am UTC](https://www.ruby-forum.com/t/wxruby-global-hotkeys/204060 "2011-04-27T01:00:02Z")
Is it possible to assign global hotkeys in wxRuby, I want to show window when user presses key combination? I’ve found that there is a Window#register\_hot\_key method - is this method cross-platform? --- ## [How to call a class from another script?](https://www.ruby-forum.com/t/how-to-call-a-class-from-another-script/203744)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [February 27, 2011, 4:35pm UTC](https://www.ruby-forum.com/t/how-to-call-a-class-from-another-script/203744 "2011-02-27T16:35:50Z")
How to call a class from another script? --- ## [A few "best practices" questions](https://www.ruby-forum.com/t/a-few-best-practices-questions/201218)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [January 20, 2011, 5:45pm UTC](https://www.ruby-forum.com/t/a-few-best-practices-questions/201218 "2011-01-20T17:45:35Z")
My app currently is working but I’m a little OCD about conforming to best practices so I’d like to get a few things cleared up. I have quite a lot of before\_filters to restrict certain parts of the site to some users… --- ## [Script working on boot drive, but not external drive with space in the name. Please help!](https://www.ruby-forum.com/t/script-working-on-boot-drive-but-not-external-drive-with-space-in-the-name-please-help/199204)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 7\ **Last updated:** [November 17, 2010, 4:02pm UTC](https://www.ruby-forum.com/t/script-working-on-boot-drive-but-not-external-drive-with-space-in-the-name-please-help/199204 "2010-11-17T16:02:54Z")
I have three volumes on my computer all with the same identical copy of this script /Volumes/Data Drive /Volumes/Boot Drive /Volumes/Drobo on my boot drive, the script works great on my Drobo, the script also work… --- ## [Unable to upload larger files](https://www.ruby-forum.com/t/unable-to-upload-larger-files/194331)
**Author:** [@amit-singh](https://www.ruby-forum.com/u/amit-singh)\ **Replies:** 7\ **Last updated:** [September 8, 2010, 8:18am UTC](https://www.ruby-forum.com/t/unable-to-upload-larger-files/194331 "2010-09-08T08:18:36Z")
hii, i am trying to upload some files to filesystem using rails application when i use small size file everything is perfect but i when goes for larger files i got error this is my code #this model file class DataF… --- ## [Php-fpm and chroot on linux](https://www.ruby-forum.com/t/php-fpm-and-chroot-on-linux/192422)
**Author:** [@hibernaculus](https://www.ruby-forum.com/u/hibernaculus)\ **Replies:** 1\ **Last updated:** [July 29, 2010, 11:41pm UTC](https://www.ruby-forum.com/t/php-fpm-and-chroot-on-linux/192422 "2010-07-29T23:41:06Z")
Hi nginx-en ml. This is not exactly nginx issue, but lets say this is nginx related thing. php-fpm and chroot - It is working for me good, I haven’t tested performance yet but there is two things what I need fix befo… --- ## [Amazon ec2](https://www.ruby-forum.com/t/amazon-ec2/192094)
**Author:** [@Carl\_D](https://www.ruby-forum.com/u/Carl_D)\ **Replies:** 1\ **Last updated:** [July 24, 2010, 11:00am UTC](https://www.ruby-forum.com/t/amazon-ec2/192094 "2010-07-24T11:00:33Z")
Hi All, How can I resolve http using a Amazon EC2 instance? The instance used the mongrel web server for rails. Do I need to modify a mongrel configuration to use the externally assigned ip? Currently resolves to 0… --- ## [Any idea what can make a usrp stop working?](https://www.ruby-forum.com/t/any-idea-what-can-make-a-usrp-stop-working/172857)
**Author:** [@makki](https://www.ruby-forum.com/u/makki)\ **Replies:** 7\ **Last updated:** [July 29, 2009, 10:10pm UTC](https://www.ruby-forum.com/t/any-idea-what-can-make-a-usrp-stop-working/172857 "2009-07-29T22:10:43Z")
OSX. I got my USRP up and running, and now it isn’t. In system profile it even detects USRP 4, and when I run a program, the light slows down flashing, but it doesn’t seem to be reading anything. Here is my error mes… --- ## [Rails and Firefox on crack with redirections](https://www.ruby-forum.com/t/rails-and-firefox-on-crack-with-redirections/164711)
**Author:** [@fipa](https://www.ruby-forum.com/u/fipa)\ **Replies:** 7\ **Last updated:** [April 6, 2009, 2:39pm UTC](https://www.ruby-forum.com/t/rails-and-firefox-on-crack-with-redirections/164711 "2009-04-06T14:39:35Z")
Hi, Rails and/or Firefox are driving me nuts. I have a products\_controllers with 2 actions: index and show. On the index action a session is set to create an order if user has no order yet. On that index page, user … --- ## [Sub is odd with #](https://www.ruby-forum.com/t/sub-is-odd-with/124566)
**Author:** [@pavel989](https://www.ruby-forum.com/u/pavel989)\ **Replies:** 7\ **Last updated:** [December 30, 2007, 6:18pm UTC](https://www.ruby-forum.com/t/sub-is-odd-with/124566 "2007-12-30T18:18:15Z")
seems to me as though I’m redundant on this forum… well anyway, doing ‘@@@@’.sub(’@’,’#’) returns ‘/#@@@’ how can I make it so that it doesn’t through in the / ? using 1.9 btw gsub doesn’t do that, but I specifica… --- ## [ActiveRecord: why does 'self.name' and 'name' both work?](https://www.ruby-forum.com/t/activerecord-why-does-self-name-and-name-both-work/108283)
**Author:** [@rob](https://www.ruby-forum.com/u/rob)\ **Replies:** 1\ **Last updated:** [July 1, 2007, 6:24pm UTC](https://www.ruby-forum.com/t/activerecord-why-does-self-name-and-name-both-work/108283 "2007-07-01T18:24:45Z")
I’m trying to figure out why both ‘self.name’ and ‘name’ work in a model class. For example: class Category \< ActiveRecord::Base before\_save :set\_permalink private def set\_permalink # both work self.permalink = na… --- ## [Substituting variables in a method](https://www.ruby-forum.com/t/substituting-variables-in-a-method/104829)
**Author:** [@Michael\_WSRyder](https://www.ruby-forum.com/u/Michael_WSRyder)\ **Replies:** 7\ **Last updated:** [May 23, 2007, 7:16am UTC](https://www.ruby-forum.com/t/substituting-variables-in-a-method/104829 "2007-05-23T07:16:08Z")
I am trying to figure out how to pass variables for the parameters to a method. I want to do something like b = a.tr({c}, {d}) where ‘c’ is the text to be matched and ‘d’ is the replacement text. Obviously the above … --- ## [Has\_many - edit the association](https://www.ruby-forum.com/t/has-many-edit-the-association/103979)
**Author:** [@stephanwehner](https://www.ruby-forum.com/u/stephanwehner)\ **Replies:** 7\ **Last updated:** [May 16, 2007, 2:23am UTC](https://www.ruby-forum.com/t/has-many-edit-the-association/103979 "2007-05-16T02:23:09Z")
I have a has\_and\_belongs\_to\_many relationship, let’s say class Student \< ActiveRecord::Base has\_and\_belongs\_to\_many :courses end class Course \< ActiveRecord::Base has\_and\_belongs\_to\_many :students end Now I have a… --- ## [Extensions registry somewhere?](https://www.ruby-forum.com/t/extensions-registry-somewhere/90325)
**Author:** [@walterdavis](https://www.ruby-forum.com/u/walterdavis)\ **Replies:** 7\ **Last updated:** [March 28, 2007, 7:13pm UTC](https://www.ruby-forum.com/t/extensions-registry-somewhere/90325 "2007-03-28T19:13:00Z")
Is there a list somewhere of various Mental extensions? I found a few referenced in the blog, but I am hoping there is a Wiki page somewhere that is added to by the contributors as they are made. Thanks in advance, W… --- ## [Handling validation failures on hasmany through records](https://www.ruby-forum.com/t/handling-validation-failures-on-hasmany-through-records/89050)
**Author:** [@Will\_Merrell](https://www.ruby-forum.com/u/Will_Merrell)\ **Replies:** 7\ **Last updated:** [March 19, 2007, 12:12pm UTC](https://www.ruby-forum.com/t/handling-validation-failures-on-hasmany-through-records/89050 "2007-03-19T12:12:11Z")
Hi all, I am fairly new to Ruby and RoR but am making pretty good progress. But this has me stumped and I wonder if anyone can point me in the right direction. I haven’t been able to find any examples on the web that … --- ## [Ruby-fcgi on Windows](https://www.ruby-forum.com/t/ruby-fcgi-on-windows/81461)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 1\ **Last updated:** [January 9, 2007, 6:48am UTC](https://www.ruby-forum.com/t/ruby-fcgi-on-windows/81461 "2007-01-09T06:48:32Z")
I’m getting ready to deploy a Ruby on Rails application on a Windows server using Apache 2.0 and FastCGI. However, I’m having trouble compiling the ruby-fcgi bindings for Windows. Does anyone know where I can find som… --- ## [App Model "Image" conflicts with RMagick "Image"](https://www.ruby-forum.com/t/app-model-image-conflicts-with-rmagick-image/73841)
**Author:** [@carl](https://www.ruby-forum.com/u/carl)\ **Replies:** 7\ **Last updated:** [October 28, 2006, 2:59am UTC](https://www.ruby-forum.com/t/app-model-image-conflicts-with-rmagick-image/73841 "2006-10-28T02:59:11Z")
Hello, In the following code from my RoR app: \*\*\*\* Code \*\*\* require ‘RMagick’ include Magick class ThumbnailController \< ApplicationController def thumbnail image = Image.find(params\[:id\]) thumbnail = Magick::Ima… --- ## [Uploading 2+ files simultaneously](https://www.ruby-forum.com/t/uploading-2-files-simultaneously/100364)
**Author:** [@michaelb](https://www.ruby-forum.com/u/michaelb)\ **Replies:** 7\ **Last updated:** [August 17, 2006, 4:49am UTC](https://www.ruby-forum.com/t/uploading-2-files-simultaneously/100364 "2006-08-17T04:49:31Z")
I’m having trouble uploading 2+ files simultaneously (from different client machines)… the upload page just hangs… I’m running… ruby 1.8.4 (2005-12-24) \[i686-linux\] rails 1.1.4 red hat el 4 apache fcgi (0.8.7, 0.8.6… --- ## [Expiring items](https://www.ruby-forum.com/t/expiring-items/94148)
**Author:** [@vince](https://www.ruby-forum.com/u/vince)\ **Replies:** 7\ **Last updated:** [April 24, 2006, 2:50am UTC](https://www.ruby-forum.com/t/expiring-items/94148 "2006-04-24T02:50:28Z")
In my database I have a products table that has a bunch of attributes (title, description, etc) including one for date\_expires. Is there a best practices method to get the database to erase the expired items? Is that… --- ## [Proper Database Design For A Newbie](https://www.ruby-forum.com/t/proper-database-design-for-a-newbie/58550)
**Author:** [@acgreen](https://www.ruby-forum.com/u/acgreen)\ **Replies:** 7\ **Last updated:** [April 23, 2006, 3:11am UTC](https://www.ruby-forum.com/t/proper-database-design-for-a-newbie/58550 "2006-04-23T03:11:36Z")
Hi all, I am starting out learning Ruby on Rails (coming from a PHP background) and I have a question about proper database design. Let me give you a quick example of what I want to do: Database: CREATE TABLE users … --- ## [Separation of gui from "real work"](https://www.ruby-forum.com/t/separation-of-gui-from-real-work/57139)
**Author:** [@tashirosgt](https://www.ruby-forum.com/u/tashirosgt)\ **Replies:** 7\ **Last updated:** [April 8, 2006, 1:33am UTC](https://www.ruby-forum.com/t/separation-of-gui-from-real-work/57139 "2006-04-08T01:33:41Z")
This is not a ruby specific topic but since there were some definite opinions expressed about systems of writing GUIs in a recent thread, let me ask it here. Is there a practical program architecture for separating th… --- ## [Help me (php dev) choose Ruby on Rails. Few questions](https://www.ruby-forum.com/t/help-me-php-dev-choose-ruby-on-rails-few-questions/54521)
**Author:** [@littlebiker](https://www.ruby-forum.com/u/littlebiker)\ **Replies:** 7\ **Last updated:** [March 8, 2006, 7:41am UTC](https://www.ruby-forum.com/t/help-me-php-dev-choose-ruby-on-rails-few-questions/54521 "2006-03-08T07:41:03Z")
Hi, This is my first post and I have been waiting to try Ruby on Rails since a long time now. I have a few questions that I am looking an answer for: I am intermediate level PHP developer, I have a small project in… --- ## [Editing N instances of a model on one page](https://www.ruby-forum.com/t/editing-n-instances-of-a-model-on-one-page/52567)
**Author:** [@ghoti143](https://www.ruby-forum.com/u/ghoti143)\ **Replies:** 7\ **Last updated:** [January 26, 2006, 5:05pm UTC](https://www.ruby-forum.com/t/editing-n-instances-of-a-model-on-one-page/52567 "2006-01-26T17:05:30Z")
I have a situation where I want to edit an arbitrary number of instances of one model on one page. I can and have accomplished this by manually managing the object \<-\> text field relationship, but in a way I consider … --- ## [Application Design](https://www.ruby-forum.com/t/application-design/52452)
**Author:** [@jules](https://www.ruby-forum.com/u/jules)\ **Replies:** 7\ **Last updated:** [January 21, 2006, 3:40pm UTC](https://www.ruby-forum.com/t/application-design/52452 "2006-01-21T15:40:36Z")
Hi Railsers, How do you design your applications? Do you start coding HTML? Start with the controllers/models? Start in a program like photoshop/gimp/illustrator/inkscape? I start in inkscape, it’s a SVG editor. I sk… --- ## [Ruby beginner problem](https://www.ruby-forum.com/t/ruby-beginner-problem/244205)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [March 7, 2016, 10:01am UTC](https://www.ruby-forum.com/t/ruby-beginner-problem/244205 "2016-03-07T10:01:03Z")
Hello guys I’m new to learning programming and actually just started with Ruby. So far i can say it is very easy and understandable but i do have a small problem and i hope you can help me out here. I will try and exp… --- ## [1.7.9 does not compile anymore with libressl](https://www.ruby-forum.com/t/1-7-9-does-not-compile-anymore-with-libressl/233607)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [December 29, 2014, 11:43am UTC](https://www.ruby-forum.com/t/1-7-9-does-not-compile-anymore-with-libressl/233607 "2014-12-29T11:43:55Z")
I am trying to compile nginx 1.7.9 with libressl 2.1.2 the same way I did with 1.7.7 but get the following error: src/http/ngx\_http\_request.c: In function ‘ngx\_http\_ssl\_handshake\_handler’: src/http/ngx\_http\_request.… --- ## [Cannot access image\_path in library class](https://www.ruby-forum.com/t/cannot-access-image-path-in-library-class/232361)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [October 5, 2014, 7:07pm UTC](https://www.ruby-forum.com/t/cannot-access-image-path-in-library-class/232361 "2014-10-05T19:07:50Z")
Hi @ all, In a rails application I have a nested module in my library: module Foo module Bar def foo\_bar image\_path("my\_asset.png") end end end Within foo\_bar i can use image\_path, a rails helper, wi… --- ## [Dynamic creation of models and/or tables in Rails](https://www.ruby-forum.com/t/dynamic-creation-of-models-and-or-tables-in-rails/228242)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 2\ **Last updated:** [April 16, 2013, 4:28am UTC](https://www.ruby-forum.com/t/dynamic-creation-of-models-and-or-tables-in-rails/228242 "2013-04-16T04:28:32Z")
I’m working on a project at the moment that has a rather unusual requirement and I’m hoping to get some advice on the best way to handle it or even some pointers to info that can help me build a solution. Ok, so this… --- ## [Embedding Jruby + Rails + Foreman + GUI on OSX (hard?)](https://www.ruby-forum.com/t/embedding-jruby-rails-foreman-gui-on-osx-hard/219061)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [June 20, 2012, 8:54pm UTC](https://www.ruby-forum.com/t/embedding-jruby-rails-foreman-gui-on-osx-hard/219061 "2012-06-20T20:54:34Z")
Hello all, first time posting to this list. Thanks or all the amazing work on JRuby! I’m trying to solve a problem for a client, and trying to see if jRuby could be a good alternative. Basicly, I need to run a self-h… --- ## [Before(:all) leaves records in database](https://www.ruby-forum.com/t/before-all-leaves-records-in-database/214244)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [November 25, 2011, 6:15pm UTC](https://www.ruby-forum.com/t/before-all-leaves-records-in-database/214244 "2011-11-25T18:15:21Z")
Hi, When I test my Rails controller, I find that records created in before(:all) remain in database while records created in before(:each) and let are wiped out after testing. This made me run “rake test:prepare” for… --- ## [Helper methods can't be called within before hooks. Help, please](https://www.ruby-forum.com/t/helper-methods-cant-be-called-within-before-hooks-help-please/212797)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [October 14, 2011, 10:46am UTC](https://www.ruby-forum.com/t/helper-methods-cant-be-called-within-before-hooks-help-please/212797 "2011-10-14T10:46:03Z")
Hi, there, I believe I have some problem with scoping. I have a controller spec file which tests a brands resource. At the start of the file, I test the resource’s access for different users in a context block a) no… --- ## [Best practices when using jruby threads](https://www.ruby-forum.com/t/best-practices-when-using-jruby-threads/208309)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [June 14, 2011, 9:38pm UTC](https://www.ruby-forum.com/t/best-practices-when-using-jruby-threads/208309 "2011-06-14T21:38:09Z")
We have a rails app that makes http calls to a data cloud. The rails app runs under tomcat. We need to make between 1-3 outgoing http calls per incoming request to rails. The first requirement is http keep-alive s… --- ## [Warble aborted please help](https://www.ruby-forum.com/t/warble-aborted-please-help/207625)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [May 30, 2011, 10:42pm UTC](https://www.ruby-forum.com/t/warble-aborted-please-help/207625 "2011-05-30T22:42:17Z")
I have three applications. I’m using jruby-1.6.2, rails-3.0.7 and warbler-1.3.0. The OS is linux debian and java is openjdk. I run bundle exec warble on two of these applications and the war file is created with no p… --- ## [Database performance for polymorphic associations under high load](https://www.ruby-forum.com/t/database-performance-for-polymorphic-associations-under-high-load/206494)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [May 3, 2011, 5:26am UTC](https://www.ruby-forum.com/t/database-performance-for-polymorphic-associations-under-high-load/206494 "2011-05-03T05:26:31Z")
Hey guys, I’ve been thinking lately about polymorphic associations, and I wonder: is there a noticeable or tangible performance “hit” from doing polymorphic associations when you’ve got your database under really hig… --- ## ["No route matches" error?](https://www.ruby-forum.com/t/no-route-matches-error/201457)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [January 7, 2011, 7:19pm UTC](https://www.ruby-forum.com/t/no-route-matches-error/201457 "2011-01-07T19:19:52Z")
I am new Rspec and just started by generating a new controller on Rails 3. It generates some Rspec tests by default. I have a question about how to make them pass though. As it stands, I see this test in my terminal" … --- ## [3 problemes en ROR](https://www.ruby-forum.com/t/3-problemes-en-ror/226078)
**Author:** [@speed34](https://www.ruby-forum.com/u/speed34)\ **Replies:** 2\ **Last updated:** [October 7, 2010, 1:12am UTC](https://www.ruby-forum.com/t/3-problemes-en-ror/226078 "2010-10-07T01:12:54Z")
Bonjour a tous, Je suis nouvelle en ROR. J’apprends tout juste, mais voila je suis butee sur 3 problemes et je ne sais pas du tout comment les resoudre… Peut etre que quelqu’un d’entre vous aura une solution … --- ## [US-ASCII to UTF-8](https://www.ruby-forum.com/t/us-ascii-to-utf-8/184846)
**Author:** [@burrowsm](https://www.ruby-forum.com/u/burrowsm)\ **Replies:** 2\ **Last updated:** [March 9, 2010, 2:19pm UTC](https://www.ruby-forum.com/t/us-ascii-to-utf-8/184846 "2010-03-09T14:19:57Z")
I’m having trouble in with us-ascii strings. I have written a script which receives emails straight from postfix. The emails are generally encoded in “iso-8859-1”, and I can’t get all of the characters to display pro… --- ## [Rspec-rails img src and timestamps](https://www.ruby-forum.com/t/rspec-rails-img-src-and-timestamps/169549)
**Author:** [@amkirwan](https://www.ruby-forum.com/u/amkirwan)\ **Replies:** 2\ **Last updated:** [June 5, 2009, 8:58am UTC](https://www.ruby-forum.com/t/rspec-rails-img-src-and-timestamps/169549 "2009-06-05T08:58:42Z")
when I run the following matcher bellow it fails because rails adds the timestamp after the file name. I’ve looked around but have not found anyone else having this problem. I am new to rails and rspec so maybe I am c… --- ## [Looping through java hashmap from ruby through rjb](https://www.ruby-forum.com/t/looping-through-java-hashmap-from-ruby-through-rjb/168785)
**Author:** [@drsharp](https://www.ruby-forum.com/u/drsharp)\ **Replies:** 2\ **Last updated:** [May 26, 2009, 1:29am UTC](https://www.ruby-forum.com/t/looping-through-java-hashmap-from-ruby-through-rjb/168785 "2009-05-26T01:29:26Z")
Greetings. I am trying to list all keys in a java.util.HashMap field. The Java code to do this looks like: Collection c = hMap.values(); //obtain an Iterator for Collection Iterator itr = c.iterator(); //iter… --- ## [Upload image to MySQL](https://www.ruby-forum.com/t/upload-image-to-mysql/163162)
**Author:** [@giga](https://www.ruby-forum.com/u/giga)\ **Replies:** 2\ **Last updated:** [March 17, 2009, 10:32pm UTC](https://www.ruby-forum.com/t/upload-image-to-mysql/163162 "2009-03-17T22:32:09Z")
Need simple sample, how to upload image in to MySQL database (in BLOB) Rails 2.2.2 --- ## [Traducir errores al español](https://www.ruby-forum.com/t/traducir-errores-al-espaa-ol/160455)
**Author:** [@kinunt](https://www.ruby-forum.com/u/kinunt)\ **Replies:** 2\ **Last updated:** [February 17, 2009, 5:42pm UTC](https://www.ruby-forum.com/t/traducir-errores-al-espaa-ol/160455 "2009-02-17T17:42:39Z")
Buenas, En Rails 2.2, ¿cuál es la mejor manera de que aparezcan los mensajes de error en español? ¿Y los meses en español? He oido que ahora hay un módulo de localización incluido en Rails muy bueno pero no s… --- ## [Auto detect URL](https://www.ruby-forum.com/t/auto-detect-url/155506)
**Author:** [@indigoi](https://www.ruby-forum.com/u/indigoi)\ **Replies:** 2\ **Last updated:** [December 12, 2008, 8:27pm UTC](https://www.ruby-forum.com/t/auto-detect-url/155506 "2008-12-12T20:27:37Z")
Is it possible to read the URL that someone uses to access your site. For example: I own, www.english.com and www.chinese.com and only have one rails site. Is it possible, when a user accessing my rails site from eng… --- ## [\`exit?': undefined method \`run?' for Test::Unit:Module (NoMethodError)?](https://www.ruby-forum.com/t/exit-undefined-method-run-for-test-module-nomethoderror/139709)
**Author:** [@kasutaja](https://www.ruby-forum.com/u/kasutaja)\ **Replies:** 2\ **Last updated:** [September 8, 2008, 8:41am UTC](https://www.ruby-forum.com/t/exit-undefined-method-run-for-test-module-nomethoderror/139709 "2008-09-08T08:41:02Z")
Why am I getting this error if running from Netbeans or just from command line with executing blah\_spec.rb? If I run with spec bla blah blah\_spec.rb then it’s fine. . Finished in 0.264 seconds 1 example, 0 failure… [Previous page](https://www.ruby-forum.com/top.md?page=916&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=918&per_page=50)