# Top **URL:** https://www.ruby-forum.com/top.md?page=1581 [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:** 1582 --- ## [RegEx Unicode Character](https://www.ruby-forum.com/t/regex-unicode-character/213938)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [December 29, 2011, 9:12am UTC](https://www.ruby-forum.com/t/regex-unicode-character/213938 "2011-12-29T09:12:35Z")
Hello, I am using regexp to match unicode(arabic) character but it is not working code: encoding: utf-8 Chars = String\[0…-1\] words = Chars\[/\\p{Word}/,1\] but I am having nothing in the array Is there a way to solve… --- ## [Attr\_accessor and uploaded files](https://www.ruby-forum.com/t/attr-accessor-and-uploaded-files/209493)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [July 15, 2011, 2:52am UTC](https://www.ruby-forum.com/t/attr-accessor-and-uploaded-files/209493 "2011-07-15T02:52:04Z")
Hello everyone, I was having an issue accessing the uploaded file in my model when I passed it with the params hash like: def create @user = User.new(params\[:user\]) if @user.save redirect\_to( @user ) else @title … --- ## [Excel encryption](https://www.ruby-forum.com/t/excel-encryption/201287)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [January 5, 2011, 3:43pm UTC](https://www.ruby-forum.com/t/excel-encryption/201287 "2011-01-05T15:43:34Z")
Hi all, I have a script which runs across a directory and opens Excel files, does a few things and then saves the files, however password protected files are becoming a bit of a pain. When I encounter a password prot… --- ## [Error when trying to run rspec](https://www.ruby-forum.com/t/error-when-trying-to-run-rspec/194501)
**Author:** [@dangermoose](https://www.ruby-forum.com/u/dangermoose)\ **Replies:** 1\ **Last updated:** [September 6, 2010, 4:44pm UTC](https://www.ruby-forum.com/t/error-when-trying-to-run-rspec/194501 "2010-09-06T16:44:07Z")
Just tried to run rspec and got this error message even though the rspec gem installed successfully: $ spec hello\_spec.rb /Users/pdenlinger/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/rubygems.rb: 340:in bin\_path': can'… --- ## [Cucumber - organize scenario outline example](https://www.ruby-forum.com/t/cucumber-organize-scenario-outline-example/190654)
**Author:** [@on9west](https://www.ruby-forum.com/u/on9west)\ **Replies:** 1\ **Last updated:** [June 24, 2010, 4:46pm UTC](https://www.ruby-forum.com/t/cucumber-organize-scenario-outline-example/190654 "2010-06-24T16:46:19Z")
Dear all For the scenario outline example: Example: | start | eat | left | | 12 | 5 | 7 | | 20 | 5 | 15 | If my examples got 30 columns and 1000 rows. It would be difficult to organize in the .featu… --- ## [Active rdf](https://www.ruby-forum.com/t/active-rdf/168844)
**Author:** [@rocio84](https://www.ruby-forum.com/u/rocio84)\ **Replies:** 1\ **Last updated:** [May 26, 2009, 6:00pm UTC](https://www.ruby-forum.com/t/active-rdf/168844 "2009-05-26T18:00:45Z")
Hi, I am trying to develop a semantic web in ruby. I am using the library ActiveRDF and I have download some adapters (activerdf\_sparql, rdflite…). I am trying to do this: ConnectionPool.add\_data\_source :type =\> :sp… --- ## [Ruby 1.9.1 on Windows - missing DLLs in gem installer](https://www.ruby-forum.com/t/ruby-1-9-1-on-windows-missing-dlls-in-gem-installer/161871)
**Author:** [@ogeidix](https://www.ruby-forum.com/u/ogeidix)\ **Replies:** 1\ **Last updated:** [March 4, 2009, 2:45pm UTC](https://www.ruby-forum.com/t/ruby-1-9-1-on-windows-missing-dlls-in-gem-installer/161871 "2009-03-04T14:45:45Z")
Hi friends, I downloaded the Ruby-1.9.1-p0 Binary for Windows. After unpacking the zipped file, it runs fine, BUT when I try to issue the following gem install command: gem install sqlite3-ruby --include-dependencie… --- ## [Exception Handling Approach - This is what I'm doing](https://www.ruby-forum.com/t/exception-handling-approach-this-is-what-im-doing/127015)
**Author:** [@greg](https://www.ruby-forum.com/u/greg)\ **Replies:** 1\ **Last updated:** [January 24, 2008, 7:20am UTC](https://www.ruby-forum.com/t/exception-handling-approach-this-is-what-im-doing/127015 "2008-01-24T07:20:44Z")
Hi - Any feedback from people re how they handle exception handling in RoR? Here’s what I’m doing… I’ve ended up doing the following so far, some of which are adjustments to Jamis B.'some “Exception Notification” p… --- ## [Mod\_proxy\_balancer mod\_rewrite permission issue](https://www.ruby-forum.com/t/mod-proxy-balancer-mod-rewrite-permission-issue/122979)
**Author:** [@SS\_SSSSSSSSSS](https://www.ruby-forum.com/u/SS_SSSSSSSSSS)\ **Replies:** 1\ **Last updated:** [December 13, 2007, 8:39am UTC](https://www.ruby-forum.com/t/mod-proxy-balancer-mod-rewrite-permission-issue/122979 "2007-12-13T08:39:00Z")
I started the mongrel\_cluster and tried to use the RewriteRule to forward the requests to proxy\_balancer just as the http://mongrel.rubyforge.org/docs/apache.html said. When I visited my site from a remote computer, … --- ## [Backchannel en la Conferencia Rails](https://www.ruby-forum.com/t/backchannel-en-la-conferencia-rails/121061)
**Author:** [@Aitor\_Garcia\_R](https://www.ruby-forum.com/u/Aitor_Garcia_R)\ **Replies:** 1\ **Last updated:** [November 23, 2007, 11:38am UTC](https://www.ruby-forum.com/t/backchannel-en-la-conferencia-rails/121061 "2007-11-23T11:38:23Z")
Sí. Ya sé. Llega tarde. Pero bueno. Para los freaks que estamos en la Conferencia Rails y los aburguesados con cuenta Jaiku esta creado el siguiente backchannel: http://jaiku.com/channel/ConferenciaRails – Kind Re… --- ## [Rake replaces my view with a table](https://www.ruby-forum.com/t/rake-replaces-my-view-with-a-table/90243)
**Author:** [@matthew](https://www.ruby-forum.com/u/matthew)\ **Replies:** 1\ **Last updated:** [March 27, 2007, 10:30pm UTC](https://www.ruby-forum.com/t/rake-replaces-my-view-with-a-table/90243 "2007-03-27T22:30:03Z")
Hi rails-folks, I have a non-UPDATE-able MySQL view which contains aggregate data for another table (AVG, STDDEV for 3 columns). This view is used as the basis for a model, “Accountingstat”. The view is created in a … --- ## [.: claves compuestas en tablas ?!?!](https://www.ruby-forum.com/t/claves-compuestas-en-tablas/84008)
**Author:** [@mreitz](https://www.ruby-forum.com/u/mreitz)\ **Replies:** 1\ **Last updated:** [January 31, 2007, 2:28pm UTC](https://www.ruby-forum.com/t/claves-compuestas-en-tablas/84008 "2007-01-31T14:28:17Z")
Estimados: Como recien me estoy iniciando en el mundo rails vi en este artículo http://www.oracle.com/technology/pub/articles/haefel-oracle-ruby.html que comentan que rails no soporta tablas con claves compuestas!!! … --- ## [Rake migrate crashes with last trunk](https://www.ruby-forum.com/t/rake-migrate-crashes-with-last-trunk/65463)
**Author:** [@Frederic\_de\_Villami](https://www.ruby-forum.com/u/Frederic_de_Villami)\ **Replies:** 1\ **Last updated:** [August 18, 2006, 12:50pm UTC](https://www.ruby-forum.com/t/rake-migrate-crashes-with-last-trunk/65463 "2006-08-18T12:50:10Z")
Hello, I can’t migrate anymore using the last trunk. Here are the messages I have : s15222373:/home/www/fredericdevillamil.com/log# rake --trace db:migrate RAILS\_ENV=“production” (in /home/www/fredericdevillamil.com… --- ## [PNG to OpenGL Texture (libpng)](https://www.ruby-forum.com/t/png-to-opengl-texture-libpng/61881)
**Author:** [@xavier](https://www.ruby-forum.com/u/xavier)\ **Replies:** 1\ **Last updated:** [May 30, 2006, 12:28am UTC](https://www.ruby-forum.com/t/png-to-opengl-texture-libpng/61881 "2006-05-30T00:28:12Z")
Hi, I’m trying to load a PNG file into an OpenGL texture using ruby-libpng-0.3.3 I can’t quite figure out how to convert libpng data to the correct format. I’ve dumped png.read\_image to screen and it looks like my p… --- ## [Question about ActiveSupport::Concern and mongoid model definition](https://www.ruby-forum.com/t/question-about-activesupport-concern-and-mongoid-model-definition/228548)
**Author:** [@ther](https://www.ruby-forum.com/u/ther)\ **Replies:** 0\ **Last updated:** [April 26, 2013, 10:41pm UTC](https://www.ruby-forum.com/t/question-about-activesupport-concern-and-mongoid-model-definition/228548 "2013-04-26T22:41:48Z")
I am using mongoid and MongoDB and have come lately to a very tough problem and I need an advice. I am working on a CMS and one of the ideas was that CMS would provide some basic models definitions and end user would,… --- ## [Image 404s](https://www.ruby-forum.com/t/image-404s/199959)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 0\ **Last updated:** [December 2, 2010, 1:22am UTC](https://www.ruby-forum.com/t/image-404s/199959 "2010-12-02T01:22:17Z")
I have just started using Radiant (which is just great, by the way), so apologies in advance for what may be a very simple question: the server log shows various 404s to image files: button.png and new- snippet.png ar… --- ## [Uninitialized constant Iconv](https://www.ruby-forum.com/t/uninitialized-constant-iconv/167090)
**Author:** [@supertiti](https://www.ruby-forum.com/u/supertiti)\ **Replies:** 0\ **Last updated:** [May 3, 2009, 7:01pm UTC](https://www.ruby-forum.com/t/uninitialized-constant-iconv/167090 "2009-05-03T19:01:21Z")
Hi there, I’m having an issue with a RoR website : when trying to save a text change into the database i get the error below Strange thing is that i imported the database from production where it is working well, und… --- ## [Re: "Goto line" function?](https://www.ruby-forum.com/t/re-goto-line-function/88361)
**Author:** [@Joseph\_Schiller](https://www.ruby-forum.com/u/Joseph_Schiller)\ **Replies:** 0\ **Last updated:** [March 10, 2007, 1:21am UTC](https://www.ruby-forum.com/t/re-goto-line-function/88361 "2007-03-10T01:21:35Z")
Hi, Fortunately the “goto” has been deprecated. It always results in spaghetti code. Check out ‘case’ control structure instead. You may want to think through the program flow so that you have each possibility and … --- ## [Nginx load balancing](https://www.ruby-forum.com/t/nginx-load-balancing/242999)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [August 14, 2015, 12:14pm UTC](https://www.ruby-forum.com/t/nginx-load-balancing/242999 "2015-08-14T12:14:15Z")
Hi, I’m new to nginx. Need help understanding the http/s load balancing capability of nginx open source versus nginx plus. Appreciate any info regarding this query :slight\_smile: I just downloaded nginx and I’m goin… --- ## [Rails uses one ID for database](https://www.ruby-forum.com/t/rails-uses-one-id-for-database/241464)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [April 8, 2015, 2:45pm UTC](https://www.ruby-forum.com/t/rails-uses-one-id-for-database/241464 "2015-04-08T14:45:44Z")
Hi, I am a beginner for Rails. I just studied the GUIDE and did some exercises ( Chapter 1: From zero to deploy | Ruby on Rails Tutorial | Learn Enough to Be Dangerous). However I have one concern. Rails uses ONE ID… --- ## [Default\_server directive not respected](https://www.ruby-forum.com/t/default-server-directive-not-respected/233992)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [January 29, 2015, 1:49pm UTC](https://www.ruby-forum.com/t/default-server-directive-not-respected/233992 "2015-01-29T13:49:04Z")
I have multiple files each with a config for a different vhost. On one of these config files (included in the main nginx config file) I set the default\_server directive: server { listen 80; listen 443 ssl default\_se… --- ## [Ruby on Rails Applying Model to Two Other Models](https://www.ruby-forum.com/t/ruby-on-rails-applying-model-to-two-other-models/233901)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [January 21, 2015, 6:13pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-applying-model-to-two-other-models/233901 "2015-01-21T18:13:38Z")
Hi, I know this is probably a basic question but I am relatively new to Ruby on Rails. I have a website in which I have three models: courses, students, and works. The website is supposed to be a grade keeper. A cours… --- ## [Fwd: Install UCLA-gr-802.15.4 into E100 has error](https://www.ruby-forum.com/t/fwd-install-ucla-gr-802-15-4-into-e100-has-error/231412)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 7, 2014, 10:57am UTC](https://www.ruby-forum.com/t/fwd-install-ucla-gr-802-15-4-into-e100-has-error/231412 "2014-08-07T10:57:53Z")
\---------- Forwarded message ---------- From: Zongyi LIU removed\_email\_address@domain.invalid Date: 2014-08-06 17:30 GMT+02:00 Subject: Re: \[Discuss-gnuradio\] Install UCLA-gr-802.15.4 into E100 has error To: Bastian… --- ## [Recommended spdy configuration](https://www.ruby-forum.com/t/recommended-spdy-configuration/230596)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 2\ **Last updated:** [June 28, 2014, 7:03am UTC](https://www.ruby-forum.com/t/recommended-spdy-configuration/230596 "2014-06-28T07:03:12Z")
What is the most suitable value according to you for the following directives spdy\_headers\_comp and spdy\_chunk\_size . i want to optimize spdy to get better performance.I am only using Nginx as my webserver (No apache… --- ## [How to read the descriptions of error codes from OS using Ruby?](https://www.ruby-forum.com/t/how-to-read-the-descriptions-of-error-codes-from-os-using-ruby/229968)
**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\ **Replies:** 2\ **Last updated:** [May 25, 2014, 4:27pm UTC](https://www.ruby-forum.com/t/how-to-read-the-descriptions-of-error-codes-from-os-using-ruby/229968 "2014-05-25T16:27:37Z")
I am looking for if there is any way to get the description out from the system for the respective error codes . \[1\] pry(main)\> Errno.constants.take(5) =\> \[:NOERROR, :EPERM, :ENOENT, :ESRCH, :EINTR\] \[2\] pry(main)\> Er… --- ## [Build error](https://www.ruby-forum.com/t/build-error/239515)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [March 3, 2014, 3:36am UTC](https://www.ruby-forum.com/t/build-error/239515 "2014-03-03T03:36:41Z")
hi, when i install a new block ,try “make”,i got these errors: CMakeFiles/test-scramble.dir/test\_scramble.cc.o: In function boost::filesystem::operator/(boost::filesystem::path const&, boost::filesystem::path const&)'… --- ## [\[ruby-trunk - Bug #6400\]\[Assigned\] dl/callback with fiddle occurs SEGV on NetBSD amd64](https://www.ruby-forum.com/t/ruby-trunk-bug-6400-assigned-dl-callback-with-fiddle-occurs-segv-on-netbsd-amd64/219494)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [August 14, 2013, 10:07pm UTC](https://www.ruby-forum.com/t/ruby-trunk-bug-6400-assigned-dl-callback-with-fiddle-occurs-segv-on-netbsd-amd64/219494 "2013-08-14T22:07:23Z")
Issue #6400 has been reported by naruse (Yui NARUSE). Bug #6400: dl/callback with fiddle occurs SEGV on NetBSD amd64 Author: naruse (Yui NARUSE) Status: Assigned Priority: Normal Assignee: tenderlovemaking (Aaron … --- ## [Cloning rubygems.org](https://www.ruby-forum.com/t/cloning-rubygems-org/245650)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [June 22, 2013, 9:41pm UTC](https://www.ruby-forum.com/t/cloning-rubygems-org/245650 "2013-06-22T21:41:30Z")
Hello team, I work with a series of \*NIX servers (way over 100) which are not allowed to access the web and for which I am slowly trying to install Ruby. I compiled Ruby on one server and then distribute the resultin… --- ## [Photo album using RoR](https://www.ruby-forum.com/t/photo-album-using-ror/210395)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [April 21, 2013, 5:54pm UTC](https://www.ruby-forum.com/t/photo-album-using-ror/210395 "2013-04-21T17:54:41Z")
Are there tutorials that walk you through making a photo album using RoR? Thanks. --- ## [uWSGI + Moin (subdir) + Nginx](https://www.ruby-forum.com/t/uwsgi-moin-subdir-nginx/227697)
**Author:** [@calabriama](https://www.ruby-forum.com/u/calabriama)\ **Replies:** 2\ **Last updated:** [March 25, 2013, 7:12pm UTC](https://www.ruby-forum.com/t/uwsgi-moin-subdir-nginx/227697 "2013-03-25T19:12:55Z")
Hi, I followed the example in: http://projects.unbit.it/uwsgi/wiki/Example#MoinMoinonlinenow However when I type domain/wiki I get a message that the page does not exist yet… which already tells me something is wrong… --- ## [Ruby-prof gem for ruby 1.9.x](https://www.ruby-forum.com/t/ruby-prof-gem-for-ruby-1-9-x/216669)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [February 23, 2012, 7:38pm UTC](https://www.ruby-forum.com/t/ruby-prof-gem-for-ruby-1-9-x/216669 "2012-02-23T19:38:19Z")
Hi, I am using ruby-prof on mac os 10.7 with ruby-prof (0.10.8) gcc version 4.2.1 ruby 1.8.7 I have got following error while setting Measurements. ‘measure\_mode=’: no implicit conversion from nil to integer at f… --- ## [How do I install this gem?](https://www.ruby-forum.com/t/how-do-i-install-this-gem/216304)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [February 1, 2012, 11:05am UTC](https://www.ruby-forum.com/t/how-do-i-install-this-gem/216304 "2012-02-01T11:05:48Z")
I’m trying to figure out how I can setup my own forums using Ruby, but I can’t get passed installing “nifty-generators”… I haven’t a clue how to install the gems… Please tell me what I’m doing wrong? I open the comman… --- ## [Installazione ed utilizzo di compass](https://www.ruby-forum.com/t/installazione-ed-utilizzo-di-compass/215799)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [January 16, 2012, 4:18pm UTC](https://www.ruby-forum.com/t/installazione-ed-utilizzo-di-compass/215799 "2012-01-16T16:18:56Z")
Ho appena installato compass seguendo la guida al seguente link: http://compass-style.org/help/ ma quando faccio per testarlo: aggiungendo un border-radius nel foglio di stile della mia home mi restituisce l’errore U… --- ## [Is this a bug with Proxy, or is this me using it incorrectly?](https://www.ruby-forum.com/t/is-this-a-bug-with-proxy-or-is-this-me-using-it-incorrectly/213151)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [October 26, 2011, 12:13am UTC](https://www.ruby-forum.com/t/is-this-a-bug-with-proxy-or-is-this-me-using-it-incorrectly/213151 "2011-10-26T00:13:09Z")
This is really strange behavior that I managed to isolate into its own test case. I would expect for this code to run without problems; instead, it throws a ClassCastException. Is this a bug in JRuby, or am I violatin… --- ## [Using Nginx Proxy Pss IPv4 to IPv6 Problem](https://www.ruby-forum.com/t/using-nginx-proxy-pss-ipv4-to-ipv6-problem/200149)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 2\ **Last updated:** [September 13, 2011, 2:49pm UTC](https://www.ruby-forum.com/t/using-nginx-proxy-pss-ipv4-to-ipv6-problem/200149 "2011-09-13T14:49:19Z")
When do I use nginx reverse proxy to proxy from an IPv4 network to an IPv6 network, I used the following configuration file: upstream ipv6server { server \[2001:: 1\]; server \[2001:: 2\]; } location / { proxy\_pass ht… --- ## [SBX Transceiver DBoard Now Available](https://www.ruby-forum.com/t/sbx-transceiver-dboard-now-available/205799)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [April 15, 2011, 10:38pm UTC](https://www.ruby-forum.com/t/sbx-transceiver-dboard-now-available/205799 "2011-04-15T22:38:21Z")
========================================================================= Ettus R. is proud to announce that the SBX transceiver daughterboard is now available for purchase. The SBX has the following performance char… --- ## [Different GET response w/ wget and w/ em-http-request](https://www.ruby-forum.com/t/different-get-response-w-wget-and-w-em-http-request/205304)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [April 3, 2011, 2:52pm UTC](https://www.ruby-forum.com/t/different-get-response-w-wget-and-w-em-http-request/205304 "2011-04-03T14:52:04Z")
I am trying to fetch Dr. Dobb's All. With wget or Firefox, works fine. With em-request-http, the server redirects to a login page - 302 status code, HTML response and response LOCATION header set to https://login.… --- ## [Occurrs in IE \