# Top **URL:** https://www.ruby-forum.com/top.md?page=844 [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:** 845 --- ## [Sudo gem install mysql problem](https://www.ruby-forum.com/t/sudo-gem-install-mysql-problem/188089)
**Author:** [@luofeiyu](https://www.ruby-forum.com/u/luofeiyu)\ **Replies:** 6\ **Last updated:** [May 18, 2010, 7:55pm UTC](https://www.ruby-forum.com/t/sudo-gem-install-mysql-problem/188089 "2010-05-18T19:55:51Z")
today i have installed ubuntu10.04. pt@pt-laptop:~$ ruby -v ruby 1.8.7 (2010-01-10 patchlevel 249) \[i486-linux\] pt@pt-laptop:~$ gem -v 1.3.5 pt@pt-laptop:~$ sudo gem install mysql Building native extensions. This c… --- ## [My vim and cream can't work!](https://www.ruby-forum.com/t/my-vim-and-cream-cant-work/187004)
**Author:** [@luofeiyu](https://www.ruby-forum.com/u/luofeiyu)\ **Replies:** 6\ **Last updated:** [April 15, 2010, 4:22pm UTC](https://www.ruby-forum.com/t/my-vim-and-cream-cant-work/187004 "2010-04-15T16:22:07Z")
i have installed vim and cream,Make install ruby myself. now ,in my console: pt@pt-laptop:~$ vim vim: error while loading shared libraries: libruby1.8.so.1.8: cannot open shared object file: No such file or directory … --- ## [Errors running jruby 1.4.0rc1 on windows](https://www.ruby-forum.com/t/errors-running-jruby-1-4-0rc1-on-windows/176669)
**Author:** [@Aaron\_McLeod](https://www.ruby-forum.com/u/Aaron_McLeod)\ **Replies:** 6\ **Last updated:** [October 6, 2009, 5:19pm UTC](https://www.ruby-forum.com/t/errors-running-jruby-1-4-0rc1-on-windows/176669 "2009-10-06T17:19:27Z")
Hey all, I used the windows installer to grab jruby 1.4 rc, and I get this error when I try to use the jruby command for just about anything. \\jruby-1.4.0RC1\\bin) was unexpected at this time Any ideas? --- ## [Bad sql after :conditions =\>](https://www.ruby-forum.com/t/bad-sql-after-conditions/157454)
**Author:** [@gotar](https://www.ruby-forum.com/u/gotar)\ **Replies:** 6\ **Last updated:** [January 11, 2009, 5:25pm UTC](https://www.ruby-forum.com/t/bad-sql-after-conditions/157454 "2009-01-11T17:25:19Z")
I’ve something like that: in layout : links looks that : \<%= link\_to month.strftime(’%B, %Y’), “/?y=#{month.strftime(”%Y")}&m=#{month.strftime("%m")}" %\> in controler I’ve : if params\[:y\] && params\[:m\] @posts = Po… --- ## [Fills\_in NoMethodError](https://www.ruby-forum.com/t/fills-in-nomethoderror/150493)
**Author:** [@markthomas](https://www.ruby-forum.com/u/markthomas)\ **Replies:** 6\ **Last updated:** [October 10, 2008, 5:22pm UTC](https://www.ruby-forum.com/t/fills-in-nomethoderror/150493 "2008-10-10T17:22:50Z")
I have an RSpec story with an overall structure that looks something like this - Given the user is on the start page When the user clicks the ‘new’ button Then the ‘new record’ page should be displayed When the use… --- ## [Finding blocks in black-and-white images (efficiently)](https://www.ruby-forum.com/t/finding-blocks-in-black-and-white-images-efficiently/147489)
**Author:** [@Axel\_E](https://www.ruby-forum.com/u/Axel_E)\ **Replies:** 6\ **Last updated:** [September 4, 2008, 10:24pm UTC](https://www.ruby-forum.com/t/finding-blocks-in-black-and-white-images-efficiently/147489 "2008-09-04T22:24:34Z")
Dear all, I have a number of black-and-white scanned pages. To prepare them for OCR, I have to split them in columns and rows. Additionally, somewhere in between, there are pictures, which also need to be separated. … --- ## [Rspec fixtures stay in the test db - is this right?](https://www.ruby-forum.com/t/rspec-fixtures-stay-in-the-test-db-is-this-right/128396)
**Author:** [@cmaxvv](https://www.ruby-forum.com/u/cmaxvv)\ **Replies:** 6\ **Last updated:** [August 20, 2008, 10:16am UTC](https://www.ruby-forum.com/t/rspec-fixtures-stay-in-the-test-db-is-this-right/128396 "2008-08-20T10:16:34Z")
I have some fixtures set up to put a few records in some of my tables. In some of my rspec describe blocks, i’m not calling the fixtures, and expecting the tables to be empty. But they’re not - the fixture data is in… --- ## [Java private variables in Ruby](https://www.ruby-forum.com/t/java-private-variables-in-ruby/134971)
**Author:** [@jlesleyball](https://www.ruby-forum.com/u/jlesleyball)\ **Replies:** 6\ **Last updated:** [April 17, 2008, 9:33am UTC](https://www.ruby-forum.com/t/java-private-variables-in-ruby/134971 "2008-04-17T09:33:04Z")
Hi How would I achieve in Ruby what the following line does in Java?: private BufferedImage buf; I need a new BufferedImage, but I don’t want to initialize it yet. Thanks. Jennifer --- ## [Problem that study rails on leopard](https://www.ruby-forum.com/t/problem-that-study-rails-on-leopard/130012)
**Author:** [@liwenqiu](https://www.ruby-forum.com/u/liwenqiu)\ **Replies:** 6\ **Last updated:** [March 20, 2008, 3:09pm UTC](https://www.ruby-forum.com/t/problem-that-study-rails-on-leopard/130012 "2008-03-20T15:09:31Z")
hi, guys: i'm Writing Depot app on Mac OS X(10.5.2 Leopard) using bash, when running a db migrate to create product table, and i get this error: rake aborted! Mysql::Error: Can’t create/write to file ‘/var/folders/G… --- ## [Display images from filesystem without plugins](https://www.ruby-forum.com/t/display-images-from-filesystem-without-plugins/126642)
**Author:** [@xobani](https://www.ruby-forum.com/u/xobani)\ **Replies:** 6\ **Last updated:** [January 20, 2008, 11:15pm UTC](https://www.ruby-forum.com/t/display-images-from-filesystem-without-plugins/126642 "2008-01-20T23:15:16Z")
i want to know how i can displays images from the filesystem without having to install any plugins. i imagine this should be fairly simple, but i am having a hard time figuring out how to do it. could anyone help? tha… --- ## [UTF8 strings in models, views and controllers](https://www.ruby-forum.com/t/utf8-strings-in-models-views-and-controllers/89439)
**Author:** [@amiridis](https://www.ruby-forum.com/u/amiridis)\ **Replies:** 6\ **Last updated:** [March 20, 2007, 5:05pm UTC](https://www.ruby-forum.com/t/utf8-strings-in-models-views-and-controllers/89439 "2007-03-20T17:05:53Z")
Hi, I have set up MySQL to use Unicode and everything works fine as far as data is concerned. Whenever I try to change the scaffold view for a model, and replace English titles or field names for example with Greek o… --- ## [Problem with ferret :(](https://www.ruby-forum.com/t/problem-with-ferret/87533)
**Author:** [@mix](https://www.ruby-forum.com/u/mix)\ **Replies:** 6\ **Last updated:** [March 4, 2007, 11:48pm UTC](https://www.ruby-forum.com/t/problem-with-ferret/87533 "2007-03-04T23:48:47Z")
hi, i’m trying ferret and acts\_as\_ferret, it’s good, but i’ve a little problem. i’ve a model book which has a title and a quantity, how can i search using act\_as\_ferret all books which quantity is \> 0 ? and howand wit… --- ## [ExceptionNotifiable doesn't work properly in development?](https://www.ruby-forum.com/t/exceptionnotifiable-doesnt-work-properly-in-development/69108)
**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\ **Replies:** 6\ **Last updated:** [September 19, 2006, 1:49am UTC](https://www.ruby-forum.com/t/exceptionnotifiable-doesnt-work-properly-in-development/69108 "2006-09-19T01:49:23Z")
All, I recently started using the Exception Notifiable plugin to generate nicely formatted error emails when major errors occur. However, now I seem to find that when I have errors in development, I no longer see the… --- ## [GNU Radio / Software Radio conceptual question](https://www.ruby-forum.com/t/gnu-radio-software-radio-conceptual-question/230409)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 5\ **Last updated:** [June 17, 2014, 1:53pm UTC](https://www.ruby-forum.com/t/gnu-radio-software-radio-conceptual-question/230409 "2014-06-17T13:53:32Z")
Hi all, I have a relatively high level question regarding gnuradio and software radio in general. Is it a fair generalization to say that gnuradio is operating at the application layer and is essentially emulating a … --- ## [How to extract the class names?](https://www.ruby-forum.com/t/how-to-extract-the-class-names/246067)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 5\ **Last updated:** [August 21, 2013, 7:10am UTC](https://www.ruby-forum.com/t/how-to-extract-the-class-names/246067 "2013-08-21T07:10:30Z")
I have written a code as below : module A module B class B2 class B1Error \< Exception ;end class B2\_inner $a = Module.constants end end end end $a - Module.constants =\> \[:B1Error, :B2\_inner, :B2, :B\] But now … --- ## [When are numbers NOT Magic? Example](https://www.ruby-forum.com/t/when-are-numbers-not-magic-example/219039)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [April 20, 2012, 8:36pm UTC](https://www.ruby-forum.com/t/when-are-numbers-not-magic-example/219039 "2012-04-20T20:36:18Z")
A risky and lengthy post, I’m hoping you’ll indulge me on. Stack Overflow doesn’t like opinion questions, and I wasn’t sure where else to go to get the opinions of a well-informed group of folks. I figure the Ruby com… --- ## [ActiveRecord - default ID vs custom identifier](https://www.ruby-forum.com/t/activerecord-default-id-vs-custom-identifier/206962)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [May 18, 2011, 11:14pm UTC](https://www.ruby-forum.com/t/activerecord-default-id-vs-custom-identifier/206962 "2011-05-18T23:14:15Z")
Hi, So far I’ve let Rails and ActiveRecord rule the game. But I think there’s some things I should change. I have a record (called Tag) that is searched by using the default auto incrementable Id that AR provides. On… --- ## [Help : Where is the demodulation blocks implemented in gnuradio \[ GMSK,PSK etc\]](https://www.ruby-forum.com/t/help-where-is-the-demodulation-blocks-implemented-in-gnuradio-gmsk-psk-etc/205492)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [April 8, 2011, 3:53pm UTC](https://www.ruby-forum.com/t/help-where-is-the-demodulation-blocks-implemented-in-gnuradio-gmsk-psk-etc/205492 "2011-04-08T15:53:01Z")
Hi guys , I Just want to confirm a thing regarding the demodulation of the digital dat in the gnuradio as the signals are received from the usrp. The doubt are, Where is the demodulation is implemented in the gnura… --- ## [Feedback on matcher](https://www.ruby-forum.com/t/feedback-on-matcher/202357)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [January 28, 2011, 12:31am UTC](https://www.ruby-forum.com/t/feedback-on-matcher/202357 "2011-01-28T00:31:46Z")
We have moved from Rails 2 to 3 and the changing Mailer syntax has caused us to rewrite some of our specs. In Rails 2: Implementation: Mailer.deliver\_job\_application(job.id, user.id) Spec: Mailer.should\_receive(:de… --- ## [JRuby-rack and Rails 3.0.0.beta?](https://www.ruby-forum.com/t/jruby-rack-and-rails-3-0-0-beta/183787)
**Author:** [@walkins](https://www.ruby-forum.com/u/walkins)\ **Replies:** 5\ **Last updated:** [March 4, 2010, 10:34am UTC](https://www.ruby-forum.com/t/jruby-rack-and-rails-3-0-0-beta/183787 "2010-03-04T10:34:55Z")
I’ve recently upgraded a Rails 2.3.5 app to Rails 3, and while the built-in Webrick server works just fine, I’m a bit stuck with jruby-rack. I can see that it’s starting Rails, because a warning about ‘class\_eval’ (k… --- ## [Add a column "on the fly"](https://www.ruby-forum.com/t/add-a-column-on-the-fly/155153)
**Author:** [@heldopslippers](https://www.ruby-forum.com/u/heldopslippers)\ **Replies:** 5\ **Last updated:** [December 9, 2008, 3:52pm UTC](https://www.ruby-forum.com/t/add-a-column-on-the-fly/155153 "2008-12-09T15:52:38Z")
Hi people, Does anybody know if it is possible to create columns on the fly… so wihout a migration. I would like to do this so that my customers can create multiple languages whitout me generating that language for t… --- ## [Smpp](https://www.ruby-forum.com/t/smpp/148114)
**Author:** [@pixel75](https://www.ruby-forum.com/u/pixel75)\ **Replies:** 5\ **Last updated:** [October 18, 2008, 11:48pm UTC](https://www.ruby-forum.com/t/smpp/148114 "2008-10-18T23:48:01Z")
does anyone have some experience with SMPP in Ruby? I’ve to post SMS to a gateway using SMPP but I don’t find out any example in ruby. thank you very much. d. --- ## [Ssl\_requirement, posts change to get and parameters are lost](https://www.ruby-forum.com/t/ssl-requirement-posts-change-to-get-and-parameters-are-lost/128033)
**Author:** [@bartb](https://www.ruby-forum.com/u/bartb)\ **Replies:** 5\ **Last updated:** [May 1, 2008, 2:15pm UTC](https://www.ruby-forum.com/t/ssl-requirement-posts-change-to-get-and-parameters-are-lost/128033 "2008-05-01T14:15:31Z")
Hi, I hope this isn’t a stupid question but I’ve searched all over and can’t find any one else having the same issue. I have just tried to add ssl to my app using ssl\_requirement. I have hit a snag when my product p… --- ## [Database to xml for data migration](https://www.ruby-forum.com/t/database-to-xml-for-data-migration/122605)
**Author:** [@damnpenguins](https://www.ruby-forum.com/u/damnpenguins)\ **Replies:** 5\ **Last updated:** [December 10, 2007, 11:17am UTC](https://www.ruby-forum.com/t/database-to-xml-for-data-migration/122605 "2007-12-10T11:17:40Z")
Hi Everyone, I have searched google for answers and have gone down a few paths of investigation… But being a newbie I am rapidly getting confused and this should essentially be a very simple task. What I need is some… --- ## [Acts\_as\_threaded - help?](https://www.ruby-forum.com/t/acts-as-threaded-help/54912)
**Author:** [@kelleysislander](https://www.ruby-forum.com/u/kelleysislander)\ **Replies:** 5\ **Last updated:** [May 3, 2006, 7:52pm UTC](https://www.ruby-forum.com/t/acts-as-threaded-help/54912 "2006-05-03T19:52:04Z")
Hi, has anyone successfully used the acts\_as\_threaded plugin with postgresql? I’m using rails 1.0 and ruby 1.8.4 on linux. Following the screencast on http://www.railtie.net/articles/2006/02/05/rails-acts\_as\_threaded… --- ## [RHTML designer](https://www.ruby-forum.com/t/rhtml-designer/88296)
**Author:** [@sandeepcampbell](https://www.ruby-forum.com/u/sandeepcampbell)\ **Replies:** 5\ **Last updated:** [March 29, 2006, 3:23pm UTC](https://www.ruby-forum.com/t/rhtml-designer/88296 "2006-03-29T15:23:32Z")
Hi I have just started playing with ROR and I think its very good. My only problem is that I am new to web development and know much abount html. I was wondering if there is any tool/plugin I could use to design rhtml … --- ## [Internal and error\_page directives](https://www.ruby-forum.com/t/internal-and-error-page-directives/232583)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [October 17, 2014, 1:31pm UTC](https://www.ruby-forum.com/t/internal-and-error-page-directives/232583 "2014-10-17T13:31:20Z")
Hi, today I’ve noticed a strange thing regarding “internal” and “error\_page” directives. I have a config similar to this: location ~ { internal; proxy\_pass ; error\_page 404 = /other\_location$uri; } What I’m surp… --- ## [Try\_files / if / access\_log question](https://www.ruby-forum.com/t/try-files-if-access-log-question/229949)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 2\ **Last updated:** [May 23, 2014, 8:53pm UTC](https://www.ruby-forum.com/t/try-files-if-access-log-question/229949 "2014-05-23T20:53:24Z")
I’m trying to create a config that doesn’t log the requests from specific user agents. The site has a gunicorn backend that we proxy to, and I’m trying to set up try\_files to test for the existence of static local fi… --- ## [Gr-modtool questions](https://www.ruby-forum.com/t/gr-modtool-questions/218689)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [February 9, 2013, 10:56pm UTC](https://www.ruby-forum.com/t/gr-modtool-questions/218689 "2013-02-09T22:56:56Z")
After I do a newmod, how to I add a new block? when I use gr\_modtool.py add It simply says no Gnu Radio module found in named directory. – Marcus L. Principal Investigator Shirleys Bay Radio Astronomy Consortium --- ## [Null pointer given - hash](https://www.ruby-forum.com/t/null-pointer-given-hash/211653)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [September 9, 2011, 9:27pm UTC](https://www.ruby-forum.com/t/null-pointer-given-hash/211653 "2011-09-09T21:27:58Z")
each and fetch hash doesn’t work, result showing: ‘fetch\_hash’: NULL pointer given (Argument error). Only res.each works. while row = res.fetch\_hash do printf “%s, %s\\n”, row\[“name”\], row\[“category”\] end puts “Numbe… --- ## [Og standalone experience - whew - so good... but hard to get anywhere as a newbie](https://www.ruby-forum.com/t/og-standalone-experience-whew-so-good-but-hard-to-get-anywhere-as-a-newbie/118499)
**Author:** [@dawillis](https://www.ruby-forum.com/u/dawillis)\ **Replies:** 2\ **Last updated:** [October 28, 2007, 3:46am UTC](https://www.ruby-forum.com/t/og-standalone-experience-whew-so-good-but-hard-to-get-anywhere-as-a-newbie/118499 "2007-10-28T03:46:05Z")
I’m just starting with Og. I love the way it’s put together and the way it feels to work with it and I think I’ll be able to do great things with it. Congatulations to all concerned. class Book property :author, S… --- ## [In what way is Ruby on Rails NOT multithreaded?](https://www.ruby-forum.com/t/in-what-way-is-ruby-on-rails-not-multithreaded/245231)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [March 6, 2019, 10:56pm UTC](https://www.ruby-forum.com/t/in-what-way-is-ruby-on-rails-not-multithreaded/245231 "2019-03-06T22:56:49Z")
Disclaimer: I’m a c# ASP.NET developer learning “ROR”. Sorry if this question doesn’t “get” RoR, any corrections greatly appreciated! What is multithreading My understanding of “multithread” ability in web apps is tw… --- ## [Connecting to IBM MQ](https://www.ruby-forum.com/t/connecting-to-ibm-mq/236826)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 7, 2013, 2:16am UTC](https://www.ruby-forum.com/t/connecting-to-ibm-mq/236826 "2013-10-07T02:16:16Z")
We have a need to connect to IBM MQ from a Sinatra service, I have found two resources on the web: http://rubywmq.rubyforge.org/index\_files/jruby.htm Just wonder if anybody has any feedback on interacting with MQ fro… --- ## [UHD on USRP N210 + WBX](https://www.ruby-forum.com/t/uhd-on-usrp-n210-wbx/211919)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [September 17, 2011, 5:31am UTC](https://www.ruby-forum.com/t/uhd-on-usrp-n210-wbx/211919 "2011-09-17T05:31:39Z")
Hi, all I want to use UHD on USRP N210 + WBX. case 1: I try to use “uhd\_fft.py”. USRP2 (+ WBX) transmit signal by “benchmark\_tx.py”, and USRP N210 (+ WBX) receive signal by uhd\_fft.py. But N210 could not receive th… --- ## [Request.referer](https://www.ruby-forum.com/t/request-referer/148045)
**Author:** [@ajitonrails](https://www.ruby-forum.com/u/ajitonrails)\ **Replies:** 1\ **Last updated:** [September 8, 2008, 11:14pm UTC](https://www.ruby-forum.com/t/request-referer/148045 "2008-09-08T23:14:04Z")
hello All I am passing some form value from one page to another and if something is missing from form value redirecting user back to home page, following is code to redirect back: redirect\_to request.referer ? :back … --- ## [Doxygen equivalent for Ruby-on-Rails?](https://www.ruby-forum.com/t/doxygen-equivalent-for-ruby-on-rails/121777)
**Author:** [@bunny](https://www.ruby-forum.com/u/bunny)\ **Replies:** 1\ **Last updated:** [November 30, 2007, 8:33pm UTC](https://www.ruby-forum.com/t/doxygen-equivalent-for-ruby-on-rails/121777 "2007-11-30T20:33:37Z")
Hi, What is the standard/popular system for generating documentation for Ruby-on-Rails? Benjamin --- ## [Capitalize each word in a string](https://www.ruby-forum.com/t/capitalize-each-word-in-a-string/76857)
**Author:** [@ryan](https://www.ruby-forum.com/u/ryan)\ **Replies:** 1\ **Last updated:** [March 5, 2006, 1:06pm UTC](https://www.ruby-forum.com/t/capitalize-each-word-in-a-string/76857 "2006-03-05T13:06:30Z")
How do you capitalize each word in a string? Essentially, Ruby’s version of PHP’s ucwords()? Thanks. --- ## [Are you a Rubyist looking to re-locate from Germany to London, UK?](https://www.ruby-forum.com/t/are-you-a-rubyist-looking-to-re-locate-from-germany-to-london-uk/228210)
**Author:** [@rhysy](https://www.ruby-forum.com/u/rhysy)\ **Replies:** 0\ **Last updated:** [April 13, 2013, 12:30pm UTC](https://www.ruby-forum.com/t/are-you-a-rubyist-looking-to-re-locate-from-germany-to-london-uk/228210 "2013-04-13T12:30:57Z")
I’m interested in speaking to a number of Rubyists regarding a range of jobs available with various partners who are based London, UK. Who am I? I’m Rhys, a recruiter who’s been helping smart/savvy Rubyists all over … --- ## [Slow GUI in GRC](https://www.ruby-forum.com/t/slow-gui-in-grc/233651)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 4\ **Last updated:** [January 5, 2015, 5:27pm UTC](https://www.ruby-forum.com/t/slow-gui-in-grc/233651 "2015-01-05T17:27:15Z")
Hi, We recently bought a new machine with like 4 GHz processor, 16 GB of RAM. For the graphic card, we use the Radeon R7 250 1000 MHz GDDR5. Latest version of Ubuntu (14.04 LTS) was installed along with GNU Radio bu… --- ## [Avoid dependency from a gem on the commandline](https://www.ruby-forum.com/t/avoid-dependency-from-a-gem-on-the-commandline/239084)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [February 12, 2014, 3:19am UTC](https://www.ruby-forum.com/t/avoid-dependency-from-a-gem-on-the-commandline/239084 "2014-02-12T03:19:05Z")
Hi Right now gem will refuse to install a program if a dependency is not met. Is there a way to ignore that and still attempt an installation? Specifically this is a gem that I myself wrote anyway and I now that the … --- ## [Segfaults with ffi in multi threaded env](https://www.ruby-forum.com/t/segfaults-with-ffi-in-multi-threaded-env/207843)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [June 4, 2011, 12:49am UTC](https://www.ruby-forum.com/t/segfaults-with-ffi-in-multi-threaded-env/207843 "2011-06-04T00:49:21Z")
We have a kind of unusual setup I’m trying to debug where so far it looks like the problem is on the jruby/java side of things. I’m using ffi to load tamarin (http://www.mozilla.org/projects/tamarin/) as a shared libr… --- ## [Help needed: weird native libs dependency issue (calling system fixes this)](https://www.ruby-forum.com/t/help-needed-weird-native-libs-dependency-issue-calling-system-fixes-this/186106)
**Author:** [@thbar](https://www.ruby-forum.com/u/thbar)\ **Replies:** 4\ **Last updated:** [April 1, 2010, 10:47am UTC](https://www.ruby-forum.com/t/help-needed-weird-native-libs-dependency-issue-calling-system-fixes-this/186106 "2010-04-01T10:47:53Z")
Hello, I’m facing something that I just don’t understand. I rely on a Java library (ARS) that uses JNI and native dll. If I set LD\_LIBRARY\_PATH then call system(“jruby -S rake my-task”) from my Rakefile, for instan… --- ## [Una aplicacion en distintos dominios](https://www.ruby-forum.com/t/una-aplicacion-en-distintos-dominios/164027)
**Author:** [@miguel](https://www.ruby-forum.com/u/miguel)\ **Replies:** 4\ **Last updated:** [March 27, 2009, 4:42pm UTC](https://www.ruby-forum.com/t/una-aplicacion-en-distintos-dominios/164027 "2009-03-27T16:42:18Z")
Hola a todos , me preguntaba cual es la mejor forma de tener una aplicacion Rails en 3 dominios distintos y que esta renderee las vistas / layouts dependiendo el dominio en donde se encuentre. asi tambien como compar… --- ## [Power Trend Line](https://www.ruby-forum.com/t/power-trend-line/153292)
**Author:** [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Replies:** 4\ **Last updated:** [November 17, 2008, 12:25am UTC](https://www.ruby-forum.com/t/power-trend-line/153292 "2008-11-17T00:25:38Z")
Hi, Im using some graphing software to produce charts which contain various lines. One line i need to produce is a power trend line from an array dataset. Has anyone had any experience of this in ruby? JB --- ## [Install Haml in vendor/gems under Windows](https://www.ruby-forum.com/t/install-haml-in-vendor-gems-under-windows/142140)
**Author:** [@zoopzoop](https://www.ruby-forum.com/u/zoopzoop)\ **Replies:** 4\ **Last updated:** [July 4, 2008, 10:51am UTC](https://www.ruby-forum.com/t/install-haml-in-vendor-gems-under-windows/142140 "2008-07-04T10:51:00Z")
Following this blog entry → I am trying to install Haml in vendor/gems on a Windows environment. What I did was my\_project\\vendor\\gems\\gem fetch haml Downloaded haml-2.0.1 my\_project\\vendor\\gems\\gem unpack haml-2.… --- ## [Bitte um Code check](https://www.ruby-forum.com/t/bitte-um-code-check/141187)
**Author:** [@Werner\_L](https://www.ruby-forum.com/u/Werner_L)\ **Replies:** 4\ **Last updated:** [June 24, 2008, 12:29pm UTC](https://www.ruby-forum.com/t/bitte-um-code-check/141187 "2008-06-24T12:29:50Z")
Seitdem kurzem klappt das hier nicht mehr… Ich denke seit dem 2.1.0 in der config steht… In den Models: has\_one :picture belongs\_to :classified step ein Bild hochladen und speichern def new\_picture if request.get… --- ## [Different password validation on create and on update](https://www.ruby-forum.com/t/different-password-validation-on-create-and-on-update/140469)
**Author:** [@taro](https://www.ruby-forum.com/u/taro)\ **Replies:** 4\ **Last updated:** [June 15, 2008, 9:03pm UTC](https://www.ruby-forum.com/t/different-password-validation-on-create-and-on-update/140469 "2008-06-15T21:03:35Z")
I’ve got a model Officer that relies on password validation in all cases, but I need it to validate the password at different times. For on create, I want to verify that the password and password confirmation exists … --- ## [Frage zu acts\_as\_versioned](https://www.ruby-forum.com/t/frage-zu-acts-as-versioned/119538)
**Author:** [@mrkohrea](https://www.ruby-forum.com/u/mrkohrea)\ **Replies:** 4\ **Last updated:** [November 9, 2007, 12:15pm UTC](https://www.ruby-forum.com/t/frage-zu-acts-as-versioned/119538 "2007-11-09T12:15:21Z")
Hallo, ich versuche gerade acts\_as\_versioned in ein Projekt einzufügen. Wenn acts\_as\_versioned in die Klasse eingefügt ist, dann sollte doch eigentlich das versionierte Objekt eine Instanzmethode namens find\_versio… --- ## [YAML filter borks Radiant](https://www.ruby-forum.com/t/yaml-filter-borks-radiant/104277)
**Author:** [@bruno](https://www.ruby-forum.com/u/bruno)\ **Replies:** 4\ **Last updated:** [May 16, 2007, 4:51pm UTC](https://www.ruby-forum.com/t/yaml-filter-borks-radiant/104277 "2007-05-16T16:51:39Z")
Hi. I’m new to Radiant, and still stumbling around the code. I’ve written a filter to interpret pages written in YAML. Radiant won’t run it – it seems that it chokes on the ‘require’ statement. Remove the statement an… --- ## [Reiterazioni varie all'interno dello stesso hash](https://www.ruby-forum.com/t/reiterazioni-varie-allinterno-dello-stesso-hash/92528)
**Author:** [@sulfarom](https://www.ruby-forum.com/u/sulfarom)\ **Replies:** 4\ **Last updated:** [April 20, 2007, 1:26pm UTC](https://www.ruby-forum.com/t/reiterazioni-varie-allinterno-dello-stesso-hash/92528 "2007-04-20T13:26:28Z")
Se ho una roba del genere: @a=riga1.scan(/\<(.?@.?)\>|(?)/).flatten.compact @dir.each\_key do |mail| if @a.include?(mail) if @a\[0\] == mail @dir\_spediti\["#{mail}"\] = @dir\_spediti\["#{mail}"\]+=1 @ist.each {|mail\_ist| @di… [Previous page](https://www.ruby-forum.com/top.md?page=843&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=845&per_page=50)