# Top

**URL:** https://www.ruby-forum.com/top.md?page=1903

[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:** 1904

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## [Web services and login?](https://www.ruby-forum.com/t/web-services-and-login/52259)

<div class="topic-metadata">

**Author:** [@Oliver\_Charles](https://www.ruby-forum.com/u/Oliver_Charles)\
**Replies:** 2\
**Last updated:** [January 12, 2006, 3:54pm UTC](https://www.ruby-forum.com/t/web-services-and-login/52259 "2006-01-12T15:54:18Z")

</div>

Has anyone managed to do this? I thought about using sessions but they dont want to work for me… Here’s what I’m doing as a little test: class NotLoggedIn \< Exception end class ProjectsController \< ApplicationControl…

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## [How do I reference eagerly loaded Models in the View?](https://www.ruby-forum.com/t/how-do-i-reference-eagerly-loaded-models-in-the-view/59772)

<div class="topic-metadata">

**Author:** [@jshow](https://www.ruby-forum.com/u/jshow)\
**Replies:** 2\
**Last updated:** [January 7, 2006, 2:36am UTC](https://www.ruby-forum.com/t/how-do-i-reference-eagerly-loaded-models-in-the-view/59772 "2006-01-07T02:36:01Z")

</div>

\[I hope the repost isnt’ “minded”. Following the advice of another thread I’ve changed the subject to a question. If I haven’t included important info, please ask. My database is being unduly killed. Jodi\] Cheers on-t…

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## [Routes.rb](https://www.ruby-forum.com/t/routes-rb/80091)

<div class="topic-metadata">

**Author:** [@Ramesh\_R](https://www.ruby-forum.com/u/Ramesh_R)\
**Replies:** 2\
**Last updated:** [December 30, 2005, 5:51am UTC](https://www.ruby-forum.com/t/routes-rb/80091 "2005-12-30T05:51:09Z")

</div>

Hi I am very new to Ruby and Rails. I am trying to setup a simple application on Apache with MySQL on a Fedora system. I have trouble setting up fast cgi, I am trying to deal with it. But is fast cgi mandatory? From…

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## [Tough activerecord problem](https://www.ruby-forum.com/t/tough-activerecord-problem/50688)

<div class="topic-metadata">

**Author:** [@philswenson](https://www.ruby-forum.com/u/philswenson)\
**Replies:** 2\
**Last updated:** [December 20, 2005, 12:52am UTC](https://www.ruby-forum.com/t/tough-activerecord-problem/50688 "2005-12-20T00:52:59Z")

</div>

I have an application that is using active record outside of rails. the app works fine w/o the activerecord code, but when I added activerecord to the mix I started having trouble with constants not being recognized,…

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## [Link\_to question](https://www.ruby-forum.com/t/link-to-question/50149)

<div class="topic-metadata">

**Author:** [@nmotter](https://www.ruby-forum.com/u/nmotter)\
**Replies:** 2\
**Last updated:** [December 13, 2005, 8:37pm UTC](https://www.ruby-forum.com/t/link-to-question/50149 "2005-12-13T20:37:00Z")

</div>

I’m confused at the following problem: I’m trying to use a link\_to to call a controller/view from itself. Basically, history\_console.rhtml calls its controller in the link\_to, and based on the value of the select\_id i…

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## [Rails crashes over night?](https://www.ruby-forum.com/t/rails-crashes-over-night/50029)

<div class="topic-metadata">

**Author:** [@stephan](https://www.ruby-forum.com/u/stephan)\
**Replies:** 2\
**Last updated:** [December 13, 2005, 6:15pm UTC](https://www.ruby-forum.com/t/rails-crashes-over-night/50029 "2005-12-13T18:15:13Z")

</div>

I’m running Ruby on Rails on Fedora Core 4 with lighttpd and fastcgi. I also used the login generator (don’t know if relevant). I have the following problem: At day time I work on the server and create/modify ruby fil…

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## [SOAP / EncodingStyle](https://www.ruby-forum.com/t/soap-encodingstyle/48826)

<div class="topic-metadata">

**Author:** [@fabienpenso](https://www.ruby-forum.com/u/fabienpenso)\
**Replies:** 2\
**Last updated:** [November 28, 2005, 3:45pm UTC](https://www.ruby-forum.com/t/soap-encodingstyle/48826 "2005-11-28T15:45:29Z")

</div>

Hi. I’ve been trying to do something with SOAP for hours with no luck. I need to get a request that looks like : \<?xml version="1.0" encoding="UTF-8"?\> \<SOAP-ENV:Envelope xmlns:SOAP-ENV=“http://schemas.xmlsoap.org/so…

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## [Installation Questions](https://www.ruby-forum.com/t/installation-questions/235076)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 5\
**Last updated:** [May 29, 2013, 10:29pm UTC](https://www.ruby-forum.com/t/installation-questions/235076 "2013-05-29T22:29:27Z")

</div>

Good Day, I am attempting to write a program that will convert Tibetan Uchen script to Romanized Wylie script. Through my research I believe Ruby R. is what I will need to bring this to fruition. I only have a simpl…

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## [Rails hosting](https://www.ruby-forum.com/t/rails-hosting/217028)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [February 20, 2012, 2:43pm UTC](https://www.ruby-forum.com/t/rails-hosting/217028 "2012-02-20T14:43:13Z")

</div>

Hi everybody, I’m starting a new 3.2 project and i need to know the best hosting offers THanks for your help

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## [General Ruby OOP question](https://www.ruby-forum.com/t/general-ruby-oop-question/190412)

<div class="topic-metadata">

**Author:** [@judge](https://www.ruby-forum.com/u/judge)\
**Replies:** 5\
**Last updated:** [June 19, 2010, 8:15pm UTC](https://www.ruby-forum.com/t/general-ruby-oop-question/190412 "2010-06-19T20:15:38Z")

</div>

Hello, I have a general question about OOP with Ruby. If I have 2 class: Home and Person for instance, such as: class Home def initialize @person1 = Person.new @person2 = Person.new # … end def open\_a\_window;…

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## [I'm new to mailing list](https://www.ruby-forum.com/t/im-new-to-mailing-list/105791)

<div class="topic-metadata">

**Author:** [@Sun\_PSS](https://www.ruby-forum.com/u/Sun_PSS)\
**Replies:** 5\
**Last updated:** [June 2, 2007, 9:29pm UTC](https://www.ruby-forum.com/t/im-new-to-mailing-list/105791 "2007-06-02T21:29:33Z")

</div>

Hi. Are there anyone using ruby-talk via Gmail? Is Gmail comfortable enough to post and receive messages in mailing list? Thank you.

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## [Session Cookie & Domains](https://www.ruby-forum.com/t/session-cookie-domains/89183)

<div class="topic-metadata">

**Author:** [@robertjames](https://www.ruby-forum.com/u/robertjames)\
**Replies:** 5\
**Last updated:** [March 18, 2007, 4:59pm UTC](https://www.ruby-forum.com/t/session-cookie-domains/89183 "2007-03-18T16:59:39Z")

</div>

Is there a way to tell Rails to always use the full domain for the session cookie? This is necessary if you want to allow people to be logged in to both app1.mysite.com and app2.mysite.com with separate sessions.

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## [Ruby PDQ?](https://www.ruby-forum.com/t/ruby-pdq/77611)

<div class="topic-metadata">

**Author:** [@danielb](https://www.ruby-forum.com/u/danielb)\
**Replies:** 5\
**Last updated:** [December 14, 2006, 7:19am UTC](https://www.ruby-forum.com/t/ruby-pdq/77611 "2006-12-14T07:19:03Z")

</div>

Hi all, I happened across this book at the store tonight: Analyzing Computer System Performance with Perl::PDQ. PDQ is an acronym for “Pretty Damn Quick” that appears to be used for systems performance modeling. It…

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## [||= for arrays](https://www.ruby-forum.com/t/for-arrays/70668)

<div class="topic-metadata">

**Author:** [@Sebastian\_Probst\_E](https://www.ruby-forum.com/u/Sebastian_Probst_E)\
**Replies:** 5\
**Last updated:** [October 2, 2006, 6:57pm UTC](https://www.ruby-forum.com/t/for-arrays/70668 "2006-10-02T18:57:30Z")

</div>

Dear messageboard users I am just wandering if there is any operator similar to the ||= for arrays? #DOES NOT WORK test\_array = \[\] test\_array ||= \[‘nothing…’\] #DOES NOT WORK EITHER test\_array = \[\] test\_array ||\<\< …

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## [Depot example error](https://www.ruby-forum.com/t/depot-example-error/68228)

<div class="topic-metadata">

**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 5\
**Last updated:** [September 11, 2006, 4:40am UTC](https://www.ruby-forum.com/t/depot-example-error/68228 "2006-09-11T04:40:03Z")

</div>

I am learning Rails using the Agile Web Dev book. I am getting the following error. ruby script/generate scaffold Product Admin exists app/controllers/ exists app/helpers/ exists app/views/admin exists …

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## [Abstract Tests vs AutoRunner](https://www.ruby-forum.com/t/abstract-tests-vs-autorunner/67835)

<div class="topic-metadata">

**Author:** [@Phlip](https://www.ruby-forum.com/u/Phlip)\
**Replies:** 5\
**Last updated:** [September 7, 2006, 2:42pm UTC](https://www.ruby-forum.com/t/abstract-tests-vs-autorunner/67835 "2006-09-07T14:42:49Z")

</div>

Rubies: I’m trying to get some elaborate test suites working via the hidden call to AutoRunner. Because I can’t declare which suites to run, the system tests anything that derives from TestCase. I want to do this: …

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## [How to start a rails application w/out using "rails" command](https://www.ruby-forum.com/t/how-to-start-a-rails-application-w-out-using-rails-command/67656)

<div class="topic-metadata">

**Author:** [@will](https://www.ruby-forum.com/u/will)\
**Replies:** 5\
**Last updated:** [September 6, 2006, 2:20am UTC](https://www.ruby-forum.com/t/how-to-start-a-rails-application-w-out-using-rails-command/67656 "2006-09-06T02:20:54Z")

</div>

Hello, I’m importing a project and want to use webrick to look at things locally, but i’m forced to setup a blank project using “rails” command in order for webrick to boot. How do i get around this? Thanks, Will

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## [Start\_form\_tag n00b question](https://www.ruby-forum.com/t/start-form-tag-n00b-question/98044)

<div class="topic-metadata">

**Author:** [@Chris\_Lloyd](https://www.ruby-forum.com/u/Chris_Lloyd)\
**Replies:** 5\
**Last updated:** [July 12, 2006, 3:59pm UTC](https://www.ruby-forum.com/t/start-form-tag-n00b-question/98044 "2006-07-12T15:59:56Z")

</div>

Hi, I’m wondering if there is any way to specify the id of a form tag with the start\_form\_tag helper. I’ve tried playing around with ", id=\>“marginForm” " and also inclosing both the action variable and id variable …

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## [OmniAuth: What is exactly meant by secret or digest ? How to obtain it?](https://www.ruby-forum.com/t/omniauth-what-is-exactly-meant-by-secret-or-digest-how-to-obtain-it/261360)

<div class="topic-metadata">

**Author:** [@von\_spotz](https://www.ruby-forum.com/u/von_spotz)\
**Replies:** 0\
**Last updated:** [May 26, 2021, 12:34pm UTC](https://www.ruby-forum.com/t/omniauth-what-is-exactly-meant-by-secret-or-digest-how-to-obtain-it/261360 "2021-05-26T12:34:29Z")

</div>

Hello, OmniAuth uses “secrets” but the concept is nowhere explained. It’s obviously too trivial. I guess it is, if you are once just being told what it means. I also know some talk about a users “secret” in the contex…

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## [What is correct way to filter broadcasted messages \[ActionCable\]](https://www.ruby-forum.com/t/what-is-correct-way-to-filter-broadcasted-messages-actioncable/244392)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [April 1, 2016, 4:10pm UTC](https://www.ruby-forum.com/t/what-is-correct-way-to-filter-broadcasted-messages-actioncable/244392 "2016-04-01T16:10:40Z")

</div>

Hey guys, Let’s assume we have mute command in chat application, users are subscribed to all messages. But some users mutes other users, is there any way to not deliver messages from muted user to those who muted hi…

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## [Fastcgi retry upstream (transparent php-fpm restart)?](https://www.ruby-forum.com/t/fastcgi-retry-upstream-transparent-php-fpm-restart/242622)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 0\
**Last updated:** [July 8, 2015, 11:14am UTC](https://www.ruby-forum.com/t/fastcgi-retry-upstream-transparent-php-fpm-restart/242622 "2015-07-08T11:14:41Z")

</div>

Hi, I’m using nginx with 1 php-fpm (via unix socket), and i’m wondering if there is a way to make nginx retry on error, something like fastcgi\_next\_upstream but for the same upstream. I would like to be able to trans…

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## [Rails on Fedora 20](https://www.ruby-forum.com/t/rails-on-fedora-20/231586)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 0\
**Last updated:** [August 17, 2014, 1:36pm UTC](https://www.ruby-forum.com/t/rails-on-fedora-20/231586 "2014-08-17T13:36:49Z")

</div>

Hi, I appreciate if you see anything wrong and advise me on how to fix it: \[root@localhost ~\]# rails new blog Invalid gemspec in \[/usr/share/gems/specifications/sqlite3-1.3.7.gemspec\]: undefined local variable or me…

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## [ImportError: cannot import name channels](https://www.ruby-forum.com/t/importerror-cannot-import-name-channels/230606)

<div class="topic-metadata">

**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Replies:** 0\
**Last updated:** [June 25, 2014, 8:25pm UTC](https://www.ruby-forum.com/t/importerror-cannot-import-name-channels/230606 "2014-06-25T20:25:33Z")

</div>

Hi, I am getting the following error ImportError: cannot import name channels… when I run a python script. I added the following line to a code from gnuradio import channels First I made a simulation model using gn…

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## [FSK demodulation](https://www.ruby-forum.com/t/fsk-demodulation/230454)

<div class="topic-metadata">

**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Replies:** 0\
**Last updated:** [June 18, 2014, 5:20pm UTC](https://www.ruby-forum.com/t/fsk-demodulation/230454 "2014-06-18T17:20:15Z")

</div>

Is there any existing 4FSK transceiver system in gnuradio ? Yes. The OP25 project has an implementation of FSK4 for use in P25, where FSK4 is sometimes known as “C4FM”. Both modulation and demodulation is supported.…

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## [Quick workaround sunspot solr + too many open files error](https://www.ruby-forum.com/t/quick-workaround-sunspot-solr-too-many-open-files-error/237876)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 0\
**Last updated:** [December 4, 2013, 11:07am UTC](https://www.ruby-forum.com/t/quick-workaround-sunspot-solr-too-many-open-files-error/237876 "2013-12-04T11:07:44Z")

</div>

This link is very helpful to fix solr- Too many open files error. Max Number of ulimit open file : It’s provide open file resource availability in linux Increase max number of ulimit open file in Linux. 1- Step : …

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## [Portable battery for USRPs](https://www.ruby-forum.com/t/portable-battery-for-usrps/245885)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 3\
**Last updated:** [August 5, 2013, 10:52pm UTC](https://www.ruby-forum.com/t/portable-battery-for-usrps/245885 "2013-08-05T22:52:55Z")

</div>

Hi! I have to do a few outdoor experiments with USRPs. Hence I’m looking for portable batteries that can be used for this purpose. After searching a bit, the best option that seems to me is to use 12V heavy duty lante…

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## [GNU Radio Release 3.6.5.1 Available for Download](https://www.ruby-forum.com/t/gnu-radio-release-3-6-5-1-available-for-download/235555)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 0\
**Last updated:** [June 29, 2013, 11:08pm UTC](https://www.ruby-forum.com/t/gnu-radio-release-3-6-5-1-available-for-download/235555 "2013-06-29T23:08:00Z")

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The final planned release of the GNU Radio 3.6 API, release 3.6.5.1, is available for download: http://gnuradio.org/releases/gnuradio/gnuradio-3.6.5.1.tar.gz Contributors: Balint S. removed\_email\_address@domain.inval…

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## [Setting hw number](https://www.ruby-forum.com/t/setting-hw-number/226644)

<div class="topic-metadata">

**Author:** [@Frankie\_R](https://www.ruby-forum.com/u/Frankie_R)\
**Replies:** 3\
**Last updated:** [February 16, 2013, 5:09pm UTC](https://www.ruby-forum.com/t/setting-hw-number/226644 "2013-02-16T17:09:55Z")

</div>

Hi All, I’m unable to get simple\_ra to recognize the USRP1. I have carried out the check below but do not know how to set the ‘hw number’ in ‘simple\_ra’ Hope someone is able to help. Many thanks, Frank alpha@alpha:…

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## [Db:schema:load fails on SQLite3 ANALYZE database](https://www.ruby-forum.com/t/dbload-fails-on-sqlite3-analyze-database/221749)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [July 28, 2012, 4:51pm UTC](https://www.ruby-forum.com/t/dbload-fails-on-sqlite3-analyze-database/221749 "2012-07-28T16:51:36Z")

</div>

Hello everyone. SQLite3 database ANALYZE command makes internal statistics table “sqlite\_stat1”, however db:schema:load trys to clone its reserved table. So it fails. http://www.sqlite.org/lang\_analyze.html http://w…

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## [Detect ms sqlserver status](https://www.ruby-forum.com/t/detect-ms-sqlserver-status/221416)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 3\
**Last updated:** [July 14, 2012, 8:49pm UTC](https://www.ruby-forum.com/t/detect-ms-sqlserver-status/221416 "2012-07-14T20:49:16Z")

</div>

Hi There I just want to use ruby script to detect if the MS SQLserver works well/status, beside use “connected”, is there any other better method? thanks. require ‘dbi’ @server\_name=‘localhost’ @dbh=DBI.connect(“DBI…

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## [Database schema question](https://www.ruby-forum.com/t/database-schema-question/219486)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [May 4, 2012, 9:56pm UTC](https://www.ruby-forum.com/t/database-schema-question/219486 "2012-05-04T21:56:58Z")

</div>

Im setting up a very basic rails app and have a question about the needed migrations & associations. Basically, my app is an occasion reminder service that emails users when occasions that they select or input are co…

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## [Multiple references of Country table in single client table](https://www.ruby-forum.com/t/multiple-references-of-country-table-in-single-client-table/219298)

<div class="topic-metadata">

**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\
**Replies:** 3\
**Last updated:** [April 27, 2012, 9:35pm UTC](https://www.ruby-forum.com/t/multiple-references-of-country-table-in-single-client-table/219298 "2012-04-27T21:35:39Z")

</div>

Hi I am new to ruby on rails , i am trying to develop a form client form having multiple refrences to country… i.e while adding a client i can add two contact persons each have a country associated with them. However …

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## [Reading json in a JS file](https://www.ruby-forum.com/t/reading-json-in-a-js-file/218726)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [April 10, 2012, 2:15pm UTC](https://www.ruby-forum.com/t/reading-json-in-a-js-file/218726 "2012-04-10T14:15:00Z")

</div>

Hi guys, I’m having a little bit of a problem. I have a controller method that renders json: render :json =\> current\_member.to\_json This method is called in a js file using a simple get call. In firebug I see that t…

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## [RoR Developer for Berlin based Company wanted! Permanent Position!](https://www.ruby-forum.com/t/ror-developer-for-berlin-based-company-wanted-permanent-position/217732)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 0\
**Last updated:** [March 10, 2012, 5:09pm UTC](https://www.ruby-forum.com/t/ror-developer-for-berlin-based-company-wanted-permanent-position/217732 "2012-03-10T17:09:34Z")

</div>

We are looking for a Ruby on Rails developer to join our team About us: For more than 10 years our company offers integrated solutions for event purchasing departments of large cooperations. Since 2006 a software dep…

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## [Which command run after change Models](https://www.ruby-forum.com/t/which-command-run-after-change-models/217523)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [March 4, 2012, 1:04pm UTC](https://www.ruby-forum.com/t/which-command-run-after-change-models/217523 "2012-03-04T13:04:57Z")

</div>

Hi: I’m reading and learning from the Rails tutorial at \[1\] but not building the sample application instead I’m trying to build my own. After generate all the migration and build the main classes for Models I made so…

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## [Ayuda tk84.dll](https://www.ruby-forum.com/t/ayuda-tk84-dll/216085)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 0\
**Last updated:** [January 25, 2012, 12:54am UTC](https://www.ruby-forum.com/t/ayuda-tk84-dll/216085 "2012-01-25T00:54:20Z")

</div>

Mi problema es que cuando hago este require: require(‘tk’) Me dice esto: “El programa no puede iniciarse porque falta tk84.dll en el equipo. Intente reinstalar el programa para corregir este problema.” Ya lo reinsta…

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## [Help with RegEx](https://www.ruby-forum.com/t/help-with-regex/209126)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [July 7, 2011, 3:15pm UTC](https://www.ruby-forum.com/t/help-with-regex/209126 "2011-07-07T15:15:44Z")

</div>

I need some help with the following: I need to replace content\_for(:head) { stylesheet\_link\_tag(\*args) } with content\_for(:head\_stylesheet) { stylesheet\_link\_tag(\*args) } using gsub\_file but I do not know the proper…

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## [Can't connect mysql db](https://www.ruby-forum.com/t/cant-connect-mysql-db/202716)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [February 4, 2011, 8:13am UTC](https://www.ruby-forum.com/t/cant-connect-mysql-db/202716 "2011-02-04T08:13:53Z")

</div>

Hello, I am new in ror I create new application and i try to connect mysql using rake db:migrate it showing attached error i am using xampp for mysql also my database.yml settigs are as follows =================== …

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## [Which State Machine?](https://www.ruby-forum.com/t/which-state-machine/202530)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 3\
**Last updated:** [February 2, 2011, 10:44am UTC](https://www.ruby-forum.com/t/which-state-machine/202530 "2011-02-02T10:44:55Z")

</div>

A few years back I used AASM. More recently, I just build state functionally by hand on an as needed basis. So I check out rubygems.org and low-and-behold there are many offerings. Here is a sampling: http://rubygems…

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## [Mobile applications in ruby on rails](https://www.ruby-forum.com/t/mobile-applications-in-ruby-on-rails/193314)

<div class="topic-metadata">

**Author:** [@nike](https://www.ruby-forum.com/u/nike)\
**Replies:** 3\
**Last updated:** [August 15, 2010, 4:52pm UTC](https://www.ruby-forum.com/t/mobile-applications-in-ruby-on-rails/193314 "2010-08-15T16:52:17Z")

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How to create mobile applications for android phones in ruby on rails.

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## [\[Bug:trunk\] ext/tk on cygwin](https://www.ruby-forum.com/t/bug-trunk-ext-tk-on-cygwin/187952)

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**Author:** [@nobu](https://www.ruby-forum.com/u/nobu)\
**Replies:** 3\
**Last updated:** [May 5, 2010, 12:18pm UTC](https://www.ruby-forum.com/t/bug-trunk-ext-tk-on-cygwin/187952 "2010-05-05T12:18:25Z")

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e$B$J$+$@$G$9!#e(B cygdrive-prefixe$B$OJQ992DG=$J$N$G!"%I%i%$%V%l%?!\<$r@5$7$/G’\<1$7$Je(B e$B$$\>l9g$,$"$j$^$9!#e(B e$B;d$O\<B:\]$KJQ$($F$$$^$9!#e(B diff --git i/ext/tk/extconf.rb w/ext/tk/extconf.rb index 676c132…a8adac…

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## [Want to get one-by-one error message](https://www.ruby-forum.com/t/want-to-get-one-by-one-error-message/186412)

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**Author:** [@rutisyrz](https://www.ruby-forum.com/u/rutisyrz)\
**Replies:** 3\
**Last updated:** [April 7, 2010, 9:13pm UTC](https://www.ruby-forum.com/t/want-to-get-one-by-one-error-message/186412 "2010-04-07T21:13:20Z")

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Dear all, In RoR, on one form if I 've applied validations to 7 fields & while running an application if user insert invalid values in i.e. 3 fields at that time RoR shows error message for all 3 fields. I want error…

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## [Datenbankverbindung nach Serverumstellung scheitert](https://www.ruby-forum.com/t/datenbankverbindung-nach-serverumstellung-scheitert/185092)

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**Author:** [@saikun](https://www.ruby-forum.com/u/saikun)\
**Replies:** 0\
**Last updated:** [March 13, 2010, 12:52pm UTC](https://www.ruby-forum.com/t/datenbankverbindung-nach-serverumstellung-scheitert/185092 "2010-03-13T12:52:29Z")

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Hallo zusammen, vorweg: ich kenne mich im Detail nur mit php/mysql aus; mein Problem hier bezieht sich auf ein Datenbankverbindungsproblem von Ruby \<=\> Mysql nach einer Serverumstellung. Konstellation: Bisher hat ein…

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## [USRP1 "hangs", benchmark doesn't continue](https://www.ruby-forum.com/t/usrp1-hangs-benchmark-doesnt-continue/184812)

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**Author:** [@alexanderl](https://www.ruby-forum.com/u/alexanderl)\
**Replies:** 3\
**Last updated:** [March 9, 2010, 1:57am UTC](https://www.ruby-forum.com/t/usrp1-hangs-benchmark-doesnt-continue/184812 "2010-03-09T01:57:43Z")

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Hi, I’ve installed the latest and greatest gnuradio from git, everything compiled fine. I have a pre-500 USRP1, and fixed the wiring of the clock to the four daughterboard sockets. I’ve been running gnuradio o…

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## [How to find records](https://www.ruby-forum.com/t/how-to-find-records/178899)

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**Author:** [@newb](https://www.ruby-forum.com/u/newb)\
**Replies:** 3\
**Last updated:** [November 13, 2009, 11:42am UTC](https://www.ruby-forum.com/t/how-to-find-records/178899 "2009-11-13T11:42:10Z")

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dear all how to find records which are 2 days older than from current date. i have a date field in my table. any exmaple pls…

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## [May AR objects contain "invalid" data when not saved yet?](https://www.ruby-forum.com/t/may-ar-objects-contain-invalid-data-when-not-saved-yet/177095)

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**Author:** [@josh](https://www.ruby-forum.com/u/josh)\
**Replies:** 3\
**Last updated:** [October 12, 2009, 5:12pm UTC](https://www.ruby-forum.com/t/may-ar-objects-contain-invalid-data-when-not-saved-yet/177095 "2009-10-12T17:12:17Z")

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Hi all I have a question about good ActiveRecord style. I have a model Page with two attributes, named “title” and “body”. The title is never set by the user directly, but is extracted from the body, which includes an …

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## [Recommend an open-source Ruby on Rails E-Commerce](https://www.ruby-forum.com/t/recommend-an-open-source-ruby-on-rails-e-commerce/175019)

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**Author:** [@jsn1](https://www.ruby-forum.com/u/jsn1)\
**Replies:** 3\
**Last updated:** [September 7, 2009, 5:16pm UTC](https://www.ruby-forum.com/t/recommend-an-open-source-ruby-on-rails-e-commerce/175019 "2009-09-07T17:16:06Z")

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Hi all Could you please recommend an open-source Ruby on Rails E-Commerce? Something that I can use as a framework, or as a template to build an e-store thanks j

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## [How to Generate Tags from Description (input)?](https://www.ruby-forum.com/t/how-to-generate-tags-from-description-input/174497)

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**Author:** [@railslist](https://www.ruby-forum.com/u/railslist)\
**Replies:** 3\
**Last updated:** [August 28, 2009, 4:04am UTC](https://www.ruby-forum.com/t/how-to-generate-tags-from-description-input/174497 "2009-08-28T04:04:37Z")

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My users provide some description ( TEXT field) and I would like to generate tags automatically from them? are there any plugins available?. Any directions would be appreciated. cheers

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## [Elegant solution for inverting zip?](https://www.ruby-forum.com/t/elegant-solution-for-inverting-zip/172089)

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**Author:** [@naething](https://www.ruby-forum.com/u/naething)\
**Replies:** 3\
**Last updated:** [July 14, 2009, 4:48pm UTC](https://www.ruby-forum.com/t/elegant-solution-for-inverting-zip/172089 "2009-07-14T16:48:54Z")

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Hi folks, I came across something I thought should have an obvious answer and came up blank. I’m hoping folks could give me a nice solution to this problem. Given the output below: a = \[1,2,3,4\].zip(\[5,6,7,8\]) =\>…

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## [WIN32OLE : how to get put-property types?](https://www.ruby-forum.com/t/win32ole-how-to-get-put-property-types/170013)

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**Author:** [@bdamour](https://www.ruby-forum.com/u/bdamour)\
**Replies:** 3\
**Last updated:** [June 11, 2009, 1:40pm UTC](https://www.ruby-forum.com/t/win32ole-how-to-get-put-property-types/170013 "2009-06-11T13:40:53Z")

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Hi, I’m trying to make a generic COM web server that permits to interact with any COM object through a web browser… I’ve tryed first to do that using Python, but the reflexivity wasn’t good enough (not working with C…

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