# Top

**URL:** https://www.ruby-forum.com/top.md?page=818

[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:** 819

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## [Get the object caller](https://www.ruby-forum.com/t/get-the-object-caller/182990)

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**Author:** [@Augusto\_Ruibal\_SShi](https://www.ruby-forum.com/u/Augusto_Ruibal_SShi)\
**Replies:** 3\
**Last updated:** [February 6, 2010, 8:26pm UTC](https://www.ruby-forum.com/t/get-the-object-caller/182990 "2010-02-06T20:26:59Z")

</div>

Let me explain I have these models class User \< AR::Base has\_many :contact end class Contact \< AR::Base belongs\_to :user belongs\_to :user\_contact\_id, :class\_name =\> “User”, :foreign\_key =\> “user\_contact\_id” # I h…

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## [wxRuby Release Candidate 1 (or, wxRuby 1.9.10)](https://www.ruby-forum.com/t/wxruby-release-candidate-1-or-wxruby-1-9-10/159461)

<div class="topic-metadata">

**Author:** [@absolute-beginner](https://www.ruby-forum.com/u/absolute-beginner)\
**Replies:** 3\
**Last updated:** [February 5, 2009, 11:38pm UTC](https://www.ruby-forum.com/t/wxruby-release-candidate-1-or-wxruby-1-9-10/159461 "2009-02-05T23:38:32Z")

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Hi I’m pleased to announce the release of wxRuby 2.0 Release Candidate 1 (officially, wxRuby 1.9.10, to play safe with RubyGems versioning). The major effort in this release has been fixing outstanding bugs. All of t…

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## [Multple domains, same application, different CSS, some over-rides](https://www.ruby-forum.com/t/multple-domains-same-application-different-css-some-over-rides/154209)

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**Author:** [@icke](https://www.ruby-forum.com/u/icke)\
**Replies:** 3\
**Last updated:** [November 26, 2008, 5:41pm UTC](https://www.ruby-forum.com/t/multple-domains-same-application-different-css-some-over-rides/154209 "2008-11-26T17:41:06Z")

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I am building a site that will have several different branded versions of the same site in order to do some SEO coverage. e.g www.foo.com, www.foo.co.uk and www.bar.com There are many discussions on sub-domains but …

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## [Tags](https://www.ruby-forum.com/t/tags/140960)

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**Author:** [@rgreen](https://www.ruby-forum.com/u/rgreen)\
**Replies:** 3\
**Last updated:** [July 29, 2008, 2:53pm UTC](https://www.ruby-forum.com/t/tags/140960 "2008-07-29T14:53:03Z")

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I have just installed 5.0.3. I noticed that once I assign a tag to a post, Then the tags for that post cannot be edited. Is this how it is supposed to work?

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## [Text parser (text into sentences) that works with UTF-8 and](https://www.ruby-forum.com/t/text-parser-text-into-sentences-that-works-with-utf-8-and/110726)

<div class="topic-metadata">

**Author:** [@asplake](https://www.ruby-forum.com/u/asplake)\
**Replies:** 3\
**Last updated:** [July 30, 2007, 2:54pm UTC](https://www.ruby-forum.com/t/text-parser-text-into-sentences-that-works-with-utf-8-and/110726 "2007-07-30T14:54:43Z")

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Hi all, I have to parse about 2000 files that are written in multiple languages (some English, some Korean, some Arabic and some Japanese). I have to split these UTF-8 encoded into individual sentences. Has anyone wr…

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## [Usrp n210](https://www.ruby-forum.com/t/usrp-n210/243196)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 4\
**Last updated:** [September 1, 2015, 8:56pm UTC](https://www.ruby-forum.com/t/usrp-n210/243196 "2015-09-01T20:56:21Z")

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Hello, What is the result/consequence of running the max\_power.py on USRP2 ? How to revert back ? Thank you Abs

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## [Adding EOB when using Vectors](https://www.ruby-forum.com/t/adding-eob-when-using-vectors/233941)

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**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [January 23, 2015, 7:58pm UTC](https://www.ruby-forum.com/t/adding-eob-when-using-vectors/233941 "2015-01-23T19:58:08Z")

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?Dear All, I am trying to use TX\_TIME, SOB, EOB. How do I add the EOB when I am using a vector? The block I have created takes in vector of 47520 samples, i.e. one item, I want to add TX\_TIME and SOB to the first sam…

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## [How to identify whether a line of code will return?](https://www.ruby-forum.com/t/how-to-identify-whether-a-line-of-code-will-return/225427)

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**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 4\
**Last updated:** [January 8, 2013, 9:42am UTC](https://www.ruby-forum.com/t/how-to-identify-whether-a-line-of-code-will-return/225427 "2013-01-08T09:42:20Z")

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Hi, I want to be able to identify whether a line of code will return, because I want to modify it to capture it’s return value. If it returns, this results in a syntax error: $ echo ‘def m() a = return end’ | ruby -c …

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## [Current situation with chained order scopes](https://www.ruby-forum.com/t/current-situation-with-chained-order-scopes/203267)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [February 17, 2011, 12:01pm UTC](https://www.ruby-forum.com/t/current-situation-with-chained-order-scopes/203267 "2011-02-17T12:01:36Z")

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I have found various blogs and comments on the issue of merging order scopes but have not been able to determine whether the current situation is regarded as satisfactory. Using Rails 3.0.4, the particular case I am c…

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## [Compilation ruby pour windows (1.9.1p243)](https://www.ruby-forum.com/t/compilation-ruby-pour-windows-1-9-1p243/178109)

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**Author:** [@gbenoit79](https://www.ruby-forum.com/u/gbenoit79)\
**Replies:** 4\
**Last updated:** [October 29, 2009, 10:38am UTC](https://www.ruby-forum.com/t/compilation-ruby-pour-windows-1-9-1p243/178109 "2009-10-29T10:38:04Z")

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Hello, je me suis intÃ©resse Ã la compilation de ruby pour Windows, car je n’ai trouvÃ© aucun build de la derniÃ¨re version dÃ©jÃ compilÃ©. J’ai donc tÃ©lÃ©chargÃ© les sources et les ai compilÃ© avec diffÃ©rents co…

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## [problÃ¨mes avec mysql](https://www.ruby-forum.com/t/probla-mes-avec-mysql/155576)

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**Author:** [@rails](https://www.ruby-forum.com/u/rails)\
**Replies:** 4\
**Last updated:** [December 14, 2008, 11:16am UTC](https://www.ruby-forum.com/t/probla-mes-avec-mysql/155576 "2008-12-14T11:16:46Z")

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Bonjour, J’ai ce problème (in C:/Users/kim/Documents/NetBeansProjects/justi) !!! The bundled mysql.rb driver has been removed from Rails 2.2. Please install the mysql gem and try again: gem install mysql. rake aborte…

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## [Imagescience](https://www.ruby-forum.com/t/imagescience/128926)

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**Author:** [@javiel](https://www.ruby-forum.com/u/javiel)\
**Replies:** 4\
**Last updated:** [February 14, 2008, 3:52pm UTC](https://www.ruby-forum.com/t/imagescience/128926 "2008-02-14T15:52:29Z")

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Hola! Para manejar el tema de uploads en mi proyecto decidi usar el plugin attachment\_fu (por lo que he leido el mas recomendado) pero no he conseguido instalarlo debido seguramente al gran error de seguir con window…

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## [2 Way encryption for password](https://www.ruby-forum.com/t/2-way-encryption-for-password/113588)

<div class="topic-metadata">

**Author:** [@mobileamusement](https://www.ruby-forum.com/u/mobileamusement)\
**Replies:** 4\
**Last updated:** [September 3, 2007, 7:33am UTC](https://www.ruby-forum.com/t/2-way-encryption-for-password/113588 "2007-09-03T07:33:24Z")

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Hi I’m creating a password database (a dangerous thing to do, I know!) normally I’d hash the passwords for storage in the DB, but in this case I need to be able to also reverse them to their original state. I’m famil…

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## [\[BUG\] Bus Error OS X](https://www.ruby-forum.com/t/bug-bus-error-os-x/86768)

<div class="topic-metadata">

**Author:** [@willbailey](https://www.ruby-forum.com/u/willbailey)\
**Replies:** 4\
**Last updated:** [February 26, 2007, 3:25am UTC](https://www.ruby-forum.com/t/bug-bus-error-os-x/86768 "2007-02-26T03:25:36Z")

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I’m getting the following on OS X (under locomotive) when running the tests for ferret. Is anybody else getting this error? rm -f ext/mem\_pool.\* rm -f ext/defines.h \*\* Execute test\_units /Applications/Locomotive/Bu…

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## [Correct use of counter caches?](https://www.ruby-forum.com/t/correct-use-of-counter-caches/73550)

<div class="topic-metadata">

**Author:** [@sshingler](https://www.ruby-forum.com/u/sshingler)\
**Replies:** 4\
**Last updated:** [October 25, 2006, 8:06am UTC](https://www.ruby-forum.com/t/correct-use-of-counter-caches/73550 "2006-10-25T08:06:06Z")

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I have trouble using :counter\_cache =\> true on some of my belongs\_to associations. When have say, Person which belongs\_to :company, :counter\_cache =\> true and I update a Person’s record assigning that person to a diff…

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## [Shouldn't this work? - session\[:array\_of\_objects\].delete\_if](https://www.ruby-forum.com/t/shouldnt-this-work-session-array-of-objects-delete-if/61742)

<div class="topic-metadata">

**Author:** [@bakki](https://www.ruby-forum.com/u/bakki)\
**Replies:** 4\
**Last updated:** [May 27, 2006, 8:02pm UTC](https://www.ruby-forum.com/t/shouldnt-this-work-session-array-of-objects-delete-if/61742 "2006-05-27T20:02:23Z")

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I am saving an array of active record objects (college courses) in the session as session\[:course\_list\]. This is the cart for a registration controller. If a student chooses to delete the course from the list I get t…

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## [Net/smtp question](https://www.ruby-forum.com/t/net-smtp-question/52953)

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**Author:** [@itsme213](https://www.ruby-forum.com/u/itsme213)\
**Replies:** 4\
**Last updated:** [November 23, 2005, 8:00pm UTC](https://www.ruby-forum.com/t/net-smtp-question/52953 "2005-11-23T20:00:17Z")

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I am experimenting with SMTP mail from my local machine, to basically send an email just like my Outlook client does. But I can’t figure out how to translate my Outlook settings to the parameters of SMTP.start, in pa…

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## [Postgres date format](https://www.ruby-forum.com/t/postgres-date-format/199454)

<div class="topic-metadata">

**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\
**Replies:** 0\
**Last updated:** [November 22, 2010, 1:24am UTC](https://www.ruby-forum.com/t/postgres-date-format/199454 "2010-11-22T01:24:43Z")

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I found some old messages about this, but can’t find a solution. The default rails date format for postgres is yyyy-mm-dd. While I have no problem with this, users who were trained after the millennium non- event are …

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## [Passenger apache2 setup with ipaddress](https://www.ruby-forum.com/t/passenger-apache2-setup-with-ipaddress/238652)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 6\
**Last updated:** [January 24, 2014, 12:43am UTC](https://www.ruby-forum.com/t/passenger-apache2-setup-with-ipaddress/238652 "2014-01-24T00:43:01Z")

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Hi, Good evening! Is that possible to point like below \<VirtualHost \*:80\> ServerName \*xxx.xxx.xx.x/mysite \* Server ip address DocumentRoot /path/to/projects/public RailsEnv development \<Directory /path/to/projects…

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## [Compatible GNU Radio $500 2x2 full duplex MIMO SDR coming to a Kickstarter Shortly](https://www.ruby-forum.com/t/compatible-gnu-radio-500-2x2-full-duplex-mimo-sdr-coming-to-a-kickstarter-shortly/235633)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 6\
**Last updated:** [July 7, 2013, 9:35am UTC](https://www.ruby-forum.com/t/compatible-gnu-radio-500-2x2-full-duplex-mimo-sdr-coming-to-a-kickstarter-shortly/235633 "2013-07-07T09:35:40Z")

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Hello All, The following Daughtercardless Software Defined Radio Device will be distributed / manufactured out of Chicago, Illinois USA and will be posted on a Kickstarter Campaign shortly: \*Supports: Windows / Linu…

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## [\[Ruby 1.9 - Bug #4444\] \[Assigned\] Windowsプラットフォームでtest parallel.rbがエラー](https://www.ruby-forum.com/t/ruby-1-9-bug-4444-assigned-windows-test-parallel-rb/203662)

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**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 6\
**Last updated:** [June 21, 2011, 2:01pm UTC](https://www.ruby-forum.com/t/ruby-1-9-bug-4444-assigned-windows-test-parallel-rb/203662 "2011-06-21T14:01:07Z")

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Issue #4444 has been reported by Motohiro KOSAKI. Bug #4444: Windowsプラットフォームでtest\_parallel.rbがエラー Author: Motohiro KOSAKI Status: Assigned Priority: Low Assignee: Shota F. Category: test Target version: 1.9.x r…

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## [Trying to use rcov+spec+cucumber with jruby-1.5.x, but not getting the right coverage numbers](https://www.ruby-forum.com/t/trying-to-use-rcov-spec-cucumber-with-jruby-1-5-x-but-not-getting-the-right-coverage-numbers/199334)

<div class="topic-metadata">

**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\
**Replies:** 6\
**Last updated:** [November 19, 2010, 1:05pm UTC](https://www.ruby-forum.com/t/trying-to-use-rcov-spec-cucumber-with-jruby-1-5-x-but-not-getting-the-right-coverage-numbers/199334 "2010-11-19T13:05:20Z")

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Hi, (I actually filed a bug at http://jira.codehaus.org/browse/JRUBY-5185, but since it did not get updated in a week, I’m now trying my luck with the users mailing list) I’m currently evaluating jruby, but before mo…

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## [Sinatra Test -- passare variabili tra piu' test](https://www.ruby-forum.com/t/sinatra-test-passare-variabili-tra-piu-test/186013)

<div class="topic-metadata">

**Author:** [@ialuronico](https://www.ruby-forum.com/u/ialuronico)\
**Replies:** 6\
**Last updated:** [March 30, 2010, 6:13pm UTC](https://www.ruby-forum.com/t/sinatra-test-passare-variabili-tra-piu-test/186013 "2010-03-30T18:13:00Z")

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Ciao a tutti, sto sviluppando su sinatra usando i test avrei bisogno di passare una variabile da un test all’ altro. questo sarebbe l’esempio che ho creato ed ho controllato che i test vengono eseguiti nell’ ordine …

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## [How to include a string into a regex comparison?](https://www.ruby-forum.com/t/how-to-include-a-string-into-a-regex-comparison/173016)

<div class="topic-metadata">

**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\
**Replies:** 6\
**Last updated:** [July 31, 2009, 11:50am UTC](https://www.ruby-forum.com/t/how-to-include-a-string-into-a-regex-comparison/173016 "2009-07-31T11:50:50Z")

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Hi, I don’t get solving the following issue (sure it’s easy but I cannot do it): valid\_content\_type = “application/auth-policy+xml” received\_content\_type = “application/auth-policy+xml;charset=ISO-8859-1” receiv…

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## [Query question](https://www.ruby-forum.com/t/query-question/167702)

<div class="topic-metadata">

**Author:** [@tharrisx](https://www.ruby-forum.com/u/tharrisx)\
**Replies:** 6\
**Last updated:** [May 15, 2009, 9:25pm UTC](https://www.ruby-forum.com/t/query-question/167702 "2009-05-15T21:25:46Z")

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Hi there, Why does the following query… ser = ‘ser’ @user = (‘U’+ser).find(:first) …not equal this one: @user = User.find(:first) ? What needs to be done so it will work? Thanks for your help! Tom

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## [Creating a USRP2 C++ Object](https://www.ruby-forum.com/t/creating-a-usrp2-c-object/161909)

<div class="topic-metadata">

**Author:** [@Mike\_Leferman](https://www.ruby-forum.com/u/Mike_Leferman)\
**Replies:** 6\
**Last updated:** [March 5, 2009, 9:09pm UTC](https://www.ruby-forum.com/t/creating-a-usrp2-c-object/161909 "2009-03-05T21:09:40Z")

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I’m working on a C++ program which directly creates an instance of a USRP2 object. When the program is being run, the following error is thrown: /usr/local/lib/libusrp2.so.0: undefined symbol: \_ZN5gruel7sys\_pri13usr…

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## [A problem of ignoring newline in textarea](https://www.ruby-forum.com/t/a-problem-of-ignoring-newline-in-textarea/157169)

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**Author:** [@youhaodeyi](https://www.ruby-forum.com/u/youhaodeyi)\
**Replies:** 6\
**Last updated:** [January 8, 2009, 4:13am UTC](https://www.ruby-forum.com/t/a-problem-of-ignoring-newline-in-textarea/157169 "2009-01-08T04:13:08Z")

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I use text\_area\_tag in a view page and when its action get its value by params\[:id\], all the newline will be removed. How can I keep the format of textarea?

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## [Quien usa Aptana para desarrollar aplicaicones RoR?](https://www.ruby-forum.com/t/quien-usa-aptana-para-desarrollar-aplicaicones-ror/131343)

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**Author:** [@jsn1](https://www.ruby-forum.com/u/jsn1)\
**Replies:** 6\
**Last updated:** [March 12, 2008, 10:32am UTC](https://www.ruby-forum.com/t/quien-usa-aptana-para-desarrollar-aplicaicones-ror/131343 "2008-03-12T10:32:32Z")

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Cuantos usais Aptana para desarrollar?

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## [Best way to implement friendship thing?](https://www.ruby-forum.com/t/best-way-to-implement-friendship-thing/127729)

<div class="topic-metadata">

**Author:** [@vapor](https://www.ruby-forum.com/u/vapor)\
**Replies:** 6\
**Last updated:** [February 1, 2008, 2:12pm UTC](https://www.ruby-forum.com/t/best-way-to-implement-friendship-thing/127729 "2008-02-01T14:12:45Z")

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I am new to rails and have to develop a small app which will do regular social networking. So, whats the best and efficient way to implement friends/friendship thing so that I could get complete list of every user’s f…

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## [RE: Ruby on Rails Training](https://www.ruby-forum.com/t/re-ruby-on-rails-training/116335)

<div class="topic-metadata">

**Author:** [@LukeS\_Heather](https://www.ruby-forum.com/u/LukeS_Heather)\
**Replies:** 6\
**Last updated:** [October 4, 2007, 11:30pm UTC](https://www.ruby-forum.com/t/re-ruby-on-rails-training/116335 "2007-10-04T23:30:16Z")

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Hello, I have a small group of people in India and in the US who requires Ruby on Rails training. Do you know of any affiliates who offer course work or e-Learning solutions? Please advise. Continued Success, Hea…

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## [Re: Uploading Images](https://www.ruby-forum.com/t/re-uploading-images/105682)

<div class="topic-metadata">

**Author:** [@Sharon\_C](https://www.ruby-forum.com/u/Sharon_C)\
**Replies:** 6\
**Last updated:** [June 1, 2007, 8:59pm UTC](https://www.ruby-forum.com/t/re-uploading-images/105682 "2007-06-01T20:59:57Z")

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Hi Sean, Do you have any documentation on the page attachment extension? I have run the rake command and now have the plus icon. It looks as though it is working. However after I save the page and then try to find …

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## [Versioning the contents of a table as a set](https://www.ruby-forum.com/t/versioning-the-contents-of-a-table-as-a-set/59427)

<div class="topic-metadata">

**Author:** [@Eden\_B](https://www.ruby-forum.com/u/Eden_B)\
**Replies:** 6\
**Last updated:** [May 6, 2006, 2:14am UTC](https://www.ruby-forum.com/t/versioning-the-contents-of-a-table-as-a-set/59427 "2006-05-06T02:14:25Z")

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I am looking at using acts\_as\_versioned to manage revisions of data in several tables in my application. However, the default behavior of acts\_as\_versioned appears to apply to individual rows within a table. The tab…

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## [Proposal For New Ruby Mailing List Subjects](https://www.ruby-forum.com/t/proposal-for-new-ruby-mailing-list-subjects/100850)

<div class="topic-metadata">

**Author:** [@Zed\_S](https://www.ruby-forum.com/u/Zed_S)\
**Replies:** 6\
**Last updated:** [February 4, 2006, 9:51am UTC](https://www.ruby-forum.com/t/proposal-for-new-ruby-mailing-list-subjects/100850 "2006-02-04T09:51:46Z")

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Hey, I’ve been watching some of the perma-threads on ruby-talk and I really think we need to establish some new mailing lists to handle the various constant subjects that come up. I’m sure this list is nowhere near …

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## [Reset() for probe\_avg\_mag\_sqrd](https://www.ruby-forum.com/t/reset-for-probe-avg-mag-sqrd/231314)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 5\
**Last updated:** [September 18, 2014, 4:44pm UTC](https://www.ruby-forum.com/t/reset-for-probe-avg-mag-sqrd/231314 "2014-09-18T16:44:15Z")

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Hello, my application is monitoring the RF level and often changeing the frequency. Unfortunately it takes some time for probe\_avg\_mag\_sqrd to adjust to the new RF level (about 2 seconds if old level -10dB and new le…

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## [Install help](https://www.ruby-forum.com/t/install-help/231360)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 5\
**Last updated:** [August 6, 2014, 12:55am UTC](https://www.ruby-forum.com/t/install-help/231360 "2014-08-06T00:55:30Z")

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Hello all, I’m having trouble getting the UHD USRP block category to show up in GRC. Can someone hep me through this issue. Here are the steps I’ve taken using Ubuntu 13.10: Uninstalled gnuradio and uhd using the…

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## [Any Rails + 960gs Gurus here? - zebra striping tables](https://www.ruby-forum.com/t/any-rails-960gs-gurus-here-zebra-striping-tables/229681)

<div class="topic-metadata">

**Author:** [@unebaguettesvp](https://www.ruby-forum.com/u/unebaguettesvp)\
**Replies:** 5\
**Last updated:** [February 14, 2013, 10:10am UTC](https://www.ruby-forum.com/t/any-rails-960gs-gurus-here-zebra-striping-tables/229681 "2013-02-14T10:10:14Z")

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People, For zebra striping tables on basic Rails apps I have quite happily used: in the table listing in index.html.erb with table tr.evenrow { background-color: white; } table tr.oddrow { background-color: silv…

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## [Help with the has\_one model implementation](https://www.ruby-forum.com/t/help-with-the-has-one-model-implementation/218455)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [April 1, 2012, 1:37pm UTC](https://www.ruby-forum.com/t/help-with-the-has-one-model-implementation/218455 "2012-04-01T13:37:41Z")

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I keep getting the following error: NoMethodError in Students#show undefined method \`student\_accounts\_path’ for #\<#Class:0x007ffe2bf6d688\>:0x007ffe2c5e5628\> I am trying to implement a has\_one model. I followed the ra…

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## [Active Admin problem](https://www.ruby-forum.com/t/active-admin-problem/215045)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [December 20, 2011, 11:38am UTC](https://www.ruby-forum.com/t/active-admin-problem/215045 "2011-12-20T11:38:53Z")

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I am new to active admin. I am using rails 3 and I create one resource called product with the field of Name, Price, category.It runs good with simple users but when i log in to admin and try to create new product the…

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## [Cannot get progress bars to work w/ Apache Progress Module](https://www.ruby-forum.com/t/cannot-get-progress-bars-to-work-w-apache-progress-module/206022)

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**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [April 22, 2011, 4:23am UTC](https://www.ruby-forum.com/t/cannot-get-progress-bars-to-work-w-apache-progress-module/206022 "2011-04-22T04:23:11Z")

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I am following this screencast http://railsillustrated.com/screencast-file-uploads-progress-in-rails-passenger.html as well as comparing this against all the other rails Apache Progress Module progress bar examples an…

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## [Using array instead of hash and still have efficient cross-referencing](https://www.ruby-forum.com/t/using-array-instead-of-hash-and-still-have-efficient-cross-referencing/188095)

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**Author:** [@tcsnide](https://www.ruby-forum.com/u/tcsnide)\
**Replies:** 5\
**Last updated:** [May 6, 2010, 12:00am UTC](https://www.ruby-forum.com/t/using-array-instead-of-hash-and-still-have-efficient-cross-referencing/188095 "2010-05-06T00:00:25Z")

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Have a look at this class: http://github.com/proutils/lemon/blob/master/lib/lemon/snapshot.rb I am storing a collection of OfModule instances in a hash (@modules) indexed by the modules they correspond to. I’d rather …

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## [Usrp2 and Agere ET131x compatibility](https://www.ruby-forum.com/t/usrp2-and-agere-et131x-compatibility/160070)

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**Author:** [@superco](https://www.ruby-forum.com/u/superco)\
**Replies:** 5\
**Last updated:** [February 12, 2009, 2:43pm UTC](https://www.ruby-forum.com/t/usrp2-and-agere-et131x-compatibility/160070 "2009-02-12T14:43:12Z")

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Hi, guys I have two questions: My laptop has AgereET131x chipset but it works perfect on Ubuntu8.10. Then, wonder why I fail to find USRP2 by the ‘find\_usrps’ command? (I see the chipset ‘bad’ here(http://gnuradio…

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## [\[How to pass argument from a script to rails...\]](https://www.ruby-forum.com/t/how-to-pass-argument-from-a-script-to-rails/149679)

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**Author:** [@maxdunn](https://www.ruby-forum.com/u/maxdunn)\
**Replies:** 5\
**Last updated:** [September 28, 2008, 5:55pm UTC](https://www.ruby-forum.com/t/how-to-pass-argument-from-a-script-to-rails/149679 "2008-09-28T17:55:16Z")

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I have a script with which I want to create a rails app. Then not something like: $ rails -d mysql name\_app in terminal, but from the script. In the script I get the app name, database etc. After some operations I w…

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## [Retour d'expÃ©rience sur mod\_rails](https://www.ruby-forum.com/t/retour-dexpa-rience-sur-mod-rails/148307)

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**Author:** [@JSSSSrSSSSmy\_Dierx](https://www.ruby-forum.com/u/JSSSSrSSSSmy_Dierx)\
**Replies:** 5\
**Last updated:** [September 11, 2008, 6:26pm UTC](https://www.ruby-forum.com/t/retour-dexpa-rience-sur-mod-rails/148307 "2008-09-11T18:26:59Z")

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Bonjour Ã tous, Je suis Ã la recherche de retours d’expÃ©riences concernant mod\_rails +ruby edition entreprise en production : stabilitÃ©, performances, souplesse, etc. Cdt, J.

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## [JRuby 1.1.x + Merb = Not generating the app](https://www.ruby-forum.com/t/jruby-1-1-x-merb-not-generating-the-app/137527)

<div class="topic-metadata">

**Author:** [@arung](https://www.ruby-forum.com/u/arung)\
**Replies:** 5\
**Last updated:** [May 29, 2008, 3:46am UTC](https://www.ruby-forum.com/t/jruby-1-1-x-merb-not-generating-the-app/137527 "2008-05-29T03:46:56Z")

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I tried generating a template Merb (0.9.3) app using JRuby 1.1.1 and 1.1 as: bin/jruby -S merb-gen app hello and the command returns without generating any files or error message. What’s missing ? -Arun Application…

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## [Recycled objects](https://www.ruby-forum.com/t/recycled-objects/120008)

<div class="topic-metadata">

**Author:** [@rolfa](https://www.ruby-forum.com/u/rolfa)\
**Replies:** 5\
**Last updated:** [November 13, 2007, 12:27am UTC](https://www.ruby-forum.com/t/recycled-objects/120008 "2007-11-13T00:27:51Z")

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Hi, I am developing a Rails app where I need to pass an object around between views. I am doing this by sending each view the object\_id, and then doing @theObject = ObjectSpace.\_id2ref(params\[:objid\]) There are two …

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## [ActiveRecord: Getting table names](https://www.ruby-forum.com/t/activerecord-getting-table-names/62332)

<div class="topic-metadata">

**Author:** [@rahulbenegal](https://www.ruby-forum.com/u/rahulbenegal)\
**Replies:** 5\
**Last updated:** [June 4, 2006, 6:32am UTC](https://www.ruby-forum.com/t/activerecord-getting-table-names/62332 "2006-06-04T06:32:47Z")

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How do i get (discover) all the table names within a database using ROR/ActiveRecord ? I wish to build a webapp that connects to a database on the fly, discovers tables and column names etc and then can show data or b…

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## [Problem while running tx\_waveforms](https://www.ruby-forum.com/t/problem-while-running-tx-waveforms/219055)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 7\
**Last updated:** [April 24, 2012, 4:54pm UTC](https://www.ruby-forum.com/t/problem-while-running-tx-waveforms/219055 "2012-04-24T16:54:04Z")

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Hi all, When running the example tx\_waveforms.cpp on the E100 usrp I get continuos"sssssssssss" on the terminal I know that u stands for underrun and o stands for overrun but what does an “s” mean Regards, S. Yassi…

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## [Idea I18n.t(:not\_existing).presence == nil](https://www.ruby-forum.com/t/idea-i18n-t-not-existing-presence-nil/187070)

<div class="topic-metadata">

**Author:** [@iain\_hecker](https://www.ruby-forum.com/u/iain_hecker)\
**Replies:** 1\
**Last updated:** [April 16, 2010, 3:30pm UTC](https://www.ruby-forum.com/t/idea-i18n-t-not-existing-presence-nil/187070 "2010-04-16T15:30:56Z")

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Hi guys, I had an idea, just wondering what your thoughts on it are. Short introduction: ActiveSupport 3 introduces the #presence method, which returns nil if #present? returns false, otherwise it returns self. Can …

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## [What time is it?](https://www.ruby-forum.com/t/what-time-is-it/181809)

<div class="topic-metadata">

**Author:** [@mattias\_k](https://www.ruby-forum.com/u/mattias_k)\
**Replies:** 7\
**Last updated:** [January 20, 2010, 7:12pm UTC](https://www.ruby-forum.com/t/what-time-is-it/181809 "2010-01-20T19:12:59Z")

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I was exited to see the vrt progress. I have compiled Josh’s usrp2\_vrt- branch, installed the required firmware/fpga- image in the sd- card, and can find the usrp2. Everything working so far. But now comes the questio…

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## [Something portable for development purposes](https://www.ruby-forum.com/t/something-portable-for-development-purposes/177249)

<div class="topic-metadata">

**Author:** [@trevoke](https://www.ruby-forum.com/u/trevoke)\
**Replies:** 7\
**Last updated:** [October 21, 2009, 8:58pm UTC](https://www.ruby-forum.com/t/something-portable-for-development-purposes/177249 "2009-10-21T20:58:25Z")

</div>

Alright… I’m going to buy something to develop with, and use as a general thought-dump. I use Ruby and Ruby on Rails… And I own a Rubymine license, so recommending a Mac for the sake of Textmate is a bit silly. I will …

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