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**URL:** https://www.ruby-forum.com/top.md?page=1559

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**Page:** 1560

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## [Radio buttons form in ruby on rails](https://www.ruby-forum.com/t/radio-buttons-form-in-ruby-on-rails/245541)

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**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 1\
**Last updated:** [June 15, 2013, 5:48pm UTC](https://www.ruby-forum.com/t/radio-buttons-form-in-ruby-on-rails/245541 "2013-06-15T17:48:03Z")

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Hi there! I m using this form: \<%= form\_for(:usage, :url=\> {:action =\>‘getResults’}) do |f| %\> Select search criteria : \<%= f.radio\_button :filter, 'uni'%\> \<span style=“font-size:15px;”\>For Unicast only \<%= f…

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## [aUaUaUaUaUaU and requested rx frequency not supported problem](https://www.ruby-forum.com/t/auauauauauau-and-requested-rx-frequency-not-supported-problem/219690)

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**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\
**Replies:** 1\
**Last updated:** [May 11, 2012, 7:36pm UTC](https://www.ruby-forum.com/t/auauauauauau-and-requested-rx-frequency-not-supported-problem/219690 "2012-05-11T19:36:02Z")

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Hi Everybody, I am using USRP with daugherboard of range 1MHz to 250MHz. I am running the program with gnu-radio 3.6.0 on Ubuntu 11.10. I am trying to run the basic fm receiver program as shown in the video. http://w…

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## [Export gem in single file](https://www.ruby-forum.com/t/export-gem-in-single-file/204304)

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**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 1\
**Last updated:** [March 9, 2011, 4:13pm UTC](https://www.ruby-forum.com/t/export-gem-in-single-file/204304 "2011-03-09T16:13:17Z")

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I have following task - create single file from gem for executing it on dedicated server. I have implemented recursive walk of files tree. Main problem that order of files list i extracted from gem is wrong, i.e requi…

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## [Rssi question](https://www.ruby-forum.com/t/rssi-question/195835)

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**Author:** [@lion\_lion](https://www.ruby-forum.com/u/lion_lion)\
**Replies:** 1\
**Last updated:** [October 1, 2010, 5:51am UTC](https://www.ruby-forum.com/t/rssi-question/195835 "2010-10-01T05:51:29Z")

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HI, I am working on the USRP2 and gnuradio. And I want to use them to get the rssi (like bluetooth). Through reading the former posts for rssi on GNU Radio mailing list, using the rssi.v is the solution. But I still …

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## [Need Used Ettus USRP device to buy - ebay](https://www.ruby-forum.com/t/need-used-ettus-usrp-device-to-buy-ebay/192149)

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**Author:** [@inyev](https://www.ruby-forum.com/u/inyev)\
**Replies:** 1\
**Last updated:** [July 25, 2010, 1:20am UTC](https://www.ruby-forum.com/t/need-used-ettus-usrp-device-to-buy-ebay/192149 "2010-07-25T01:20:52Z")

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Hello All, Does anyone can help to acquire an used USRP device, I really need it urgently for my thesis project. Thanks.

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## [Jruby -S bundle install tries to install native mysql gem](https://www.ruby-forum.com/t/jruby-s-bundle-install-tries-to-install-native-mysql-gem/186272)

<div class="topic-metadata">

**Author:** [@anildigital](https://www.ruby-forum.com/u/anildigital)\
**Replies:** 1\
**Last updated:** [April 5, 2010, 7:37am UTC](https://www.ruby-forum.com/t/jruby-s-bundle-install-tries-to-install-native-mysql-gem/186272 "2010-04-05T07:37:20Z")

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$ jruby -S bundle install Fetching source index from http://gemcutter.org/ Using rake (0.8.7) from bundler gems Using abstract (1.0.0) from bundler gems Using builder (2.1.2) from bundler gems Using i18n (0.3.6) fro…

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## [Zlib-devel without root privilage](https://www.ruby-forum.com/t/zlib-devel-without-root-privilage/172259)

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**Author:** [@bukala](https://www.ruby-forum.com/u/bukala)\
**Replies:** 1\
**Last updated:** [July 18, 2009, 5:48pm UTC](https://www.ruby-forum.com/t/zlib-devel-without-root-privilage/172259 "2009-07-18T17:48:32Z")

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Hi i have problem with zlib-devel (problem with “gem install rails”), i compiled zlib, but i dont ktow how to provide ruby zlib-dev dependency. In subject i mention - i dont have root privilage :confused:

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## [\[cucumber, jruby\] Same steps are being added multiple times?](https://www.ruby-forum.com/t/cucumber-jruby-same-steps-are-being-added-multiple-times/165996)

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**Author:** [@softf5ajivanet](https://www.ruby-forum.com/u/softf5ajivanet)\
**Replies:** 1\
**Last updated:** [April 21, 2009, 6:23am UTC](https://www.ruby-forum.com/t/cucumber-jruby-same-steps-are-being-added-multiple-times/165996 "2009-04-21T06:23:20Z")

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Aslak, I just ran the simple examples in your latest version of cucumber\_java, and it exposes the ambiguous steps problem that I’m seeing. Before I could get it to run, I had to make four changes to the cucumber-mav…

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## [Mind checking my code?](https://www.ruby-forum.com/t/mind-checking-my-code/157611)

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**Author:** [@enchanter](https://www.ruby-forum.com/u/enchanter)\
**Replies:** 1\
**Last updated:** [January 13, 2009, 6:17pm UTC](https://www.ruby-forum.com/t/mind-checking-my-code/157611 "2009-01-13T18:17:03Z")

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I’m trying to get a project done: Making a GUI for my MUD client. I seem to be having some sort of bug, but I don’t understand why. Perhaps someone could take a look at my code? It is at http://pastie.org/359700 –Tha…

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## [How to put exit like in php in Rails View](https://www.ruby-forum.com/t/how-to-put-exit-like-in-php-in-rails-view/150614)

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**Author:** [@cyrus](https://www.ruby-forum.com/u/cyrus)\
**Replies:** 1\
**Last updated:** [October 10, 2008, 3:20pm UTC](https://www.ruby-forum.com/t/how-to-put-exit-like-in-php-in-rails-view/150614 "2008-10-10T15:20:02Z")

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Hello All Is it possible in rails view to put exit like in php …so that we can debug view in rails … ? like in php you can print array and put exit …for debugging view

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## [After\_create callback in subclass](https://www.ruby-forum.com/t/after-create-callback-in-subclass/139372)

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**Author:** [@tachekent](https://www.ruby-forum.com/u/tachekent)\
**Replies:** 1\
**Last updated:** [June 3, 2008, 10:27am UTC](https://www.ruby-forum.com/t/after-create-callback-in-subclass/139372 "2008-06-03T10:27:37Z")

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I have a User model with a protected method defined: def set\_role(rolename) role = Role.find\_by\_rolename(rolename) permission = Permission.new permission.role = role permission.user = self permission.save(false) e…

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## [Curl/Curb - Adding an on\_debug handler causes an exit code of "1"?](https://www.ruby-forum.com/t/curl-curb-adding-an-on-debug-handler-causes-an-exit-code-of-1/117579)

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**Author:** [@Rob\_Foxworthington](https://www.ruby-forum.com/u/Rob_Foxworthington)\
**Replies:** 1\
**Last updated:** [November 11, 2007, 7:39pm UTC](https://www.ruby-forum.com/t/curl-curb-adding-an-on-debug-handler-causes-an-exit-code-of-1/117579 "2007-11-11T19:39:25Z")

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Using the very handy Curb from http://curb.rubyforge.org/… Maybe I’m doing something wrong, but it seems that the mere presence of an on\_debug handler causes the exit code of a script to be “1” instead of “0”. Unfort…

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## [USRP on Fedora 6 runtime error](https://www.ruby-forum.com/t/usrp-on-fedora-6-runtime-error/87824)

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**Author:** [@Mahmoud\_Gad](https://www.ruby-forum.com/u/Mahmoud_Gad)\
**Replies:** 1\
**Last updated:** [March 6, 2007, 5:22pm UTC](https://www.ruby-forum.com/t/usrp-on-fedora-6-runtime-error/87824 "2007-03-06T17:22:41Z")

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Hi I am using Fedora 6, on HP Pavilion 5000 laptop, with USB 2.0, a new USRP board (tested at Jan 2007) and GNUradio 3.0 installed without any problem. The board is seen as USB 2.0 device (when I used usbview). Now…

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## [Calling a task in rant at any time (not just as a prerequisi](https://www.ruby-forum.com/t/calling-a-task-in-rant-at-any-time-not-just-as-a-prerequisi/100444)

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**Author:** [@bwv549](https://www.ruby-forum.com/u/bwv549)\
**Replies:** 1\
**Last updated:** [July 29, 2006, 12:43am UTC](https://www.ruby-forum.com/t/calling-a-task-in-rant-at-any-time-not-just-as-a-prerequisi/100444 "2006-07-29T00:43:23Z")

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In rant, we call a task by denoting it as a dependancy: task :test =\> \[:build\] do # calls :build before :test -whatever- end How do you call a task at the end of (or inside) a block? task :myaction do -some acti…

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## [Form fields show 0 instead of blank, how to fix?](https://www.ruby-forum.com/t/form-fields-show-0-instead-of-blank-how-to-fix/99921)

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**Author:** [@df-sean](https://www.ruby-forum.com/u/df-sean)\
**Replies:** 1\
**Last updated:** [December 13, 2005, 2:58pm UTC](https://www.ruby-forum.com/t/form-fields-show-0-instead-of-blank-how-to-fix/99921 "2005-12-13T14:58:40Z")

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I’ve got a scaffold generated form with a bunch of standard fields like name, phone number, address, plus some numeric ones like price, branch number, etc. When the user first arrives at the form, I’d like the form to…

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## [Method tracker - Need assistance](https://www.ruby-forum.com/t/method-tracker-need-assistance/236031)

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**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [August 1, 2013, 1:06am UTC](https://www.ruby-forum.com/t/method-tracker-need-assistance/236031 "2013-08-01T01:06:59Z")

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I would like to write an includable method tracker, which logs about added methods to a class. module MethodTracker def self.method\_added(method\_name) puts “Tracking #{method\_name}” end end class Factory include…

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## [Expert suggestions: Resources for ActiveRecords](https://www.ruby-forum.com/t/expert-suggestions-resources-for-activerecords/229620)

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**Author:** [@manoj\_m](https://www.ruby-forum.com/u/manoj_m)\
**Replies:** 4\
**Last updated:** [January 24, 2013, 6:53pm UTC](https://www.ruby-forum.com/t/expert-suggestions-resources-for-activerecords/229620 "2013-01-24T18:53:36Z")

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Hello guys, I am new to ruby and wanted to learn more in-depth about active records library. Where should I start from? Are there any printed/online books/resources I can look through? I came across to “Pro Active Re…

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## [Re: Warning! Warning!](https://www.ruby-forum.com/t/re-warning-warning/213025)

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**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [February 19, 2012, 8:44pm UTC](https://www.ruby-forum.com/t/re-warning-warning/213025 "2012-02-19T20:44:18Z")

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All USRP daughterboards are supported in UHD. You should have no problems with DBSRX and BasicRX. Tom I think this is not entirely true: I have a TVRX that is not recognised by the uhd driver… Achilleas ========…

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## [Add an array to params](https://www.ruby-forum.com/t/add-an-array-to-params/213031)

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**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [October 21, 2011, 5:57pm UTC](https://www.ruby-forum.com/t/add-an-array-to-params/213031 "2011-10-21T17:57:39Z")

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Hello everybody, I hope you can help me in this problem. I need to add an array to params in order to send some data from the view to the controller. I’m using JavaScript to dynamically add lines lihe this: The…

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## [Getting a variable defined in new action in create action](https://www.ruby-forum.com/t/getting-a-variable-defined-in-new-action-in-create-action/212865)

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**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [October 17, 2011, 3:32pm UTC](https://www.ruby-forum.com/t/getting-a-variable-defined-in-new-action-in-create-action/212865 "2011-10-17T15:32:17Z")

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Suppose there are two models, one is User model and other is Referral model. The root is root :to =\> 'users#new. Now the user will coming here via example.com/value, where value is the id for Referral model. Now using…

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## [Security vulnerability..controllers must 'return'](https://www.ruby-forum.com/t/security-vulnerability-controllers-must-return/206129)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [April 23, 2011, 10:53am UTC](https://www.ruby-forum.com/t/security-vulnerability-controllers-must-return/206129 "2011-04-23T10:53:39Z")

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I got an email the other day from someone who has apparently built a vulnerability analysis tool for rails apps. He claims (and I have no idea whether this is true, I present this purely as a question) that a very o…

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## [Rails - truncate - is not behaving--- Using a var returned from the model](https://www.ruby-forum.com/t/rails-truncate-is-not-behaving-using-a-var-returned-from-the-model/196286)

<div class="topic-metadata">

**Author:** [@nobosh](https://www.ruby-forum.com/u/nobosh)\
**Replies:** 4\
**Last updated:** [November 12, 2010, 2:27pm UTC](https://www.ruby-forum.com/t/rails-truncate-is-not-behaving-using-a-var-returned-from-the-model/196286 "2010-11-12T14:27:11Z")

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Here is the truncate code I’m using: \<%= truncate(teammember.user.full\_name, :length =\> 8)%\> teammember.user.full\_name returns names like: Steve Jobs Larry Oracle James B. Dhandar Kentavolv Butall the truncate is do…

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## [Printing out contents of 2 arrays using a loop](https://www.ruby-forum.com/t/printing-out-contents-of-2-arrays-using-a-loop/198501)

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**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 4\
**Last updated:** [November 2, 2010, 6:30pm UTC](https://www.ruby-forum.com/t/printing-out-contents-of-2-arrays-using-a-loop/198501 "2010-11-02T18:30:46Z")

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Hi. I’d like to print out the contents of 2 arrays as follows… print array1\[0\] array2\[0\] print array1\[1\] array2\[1\] etc array1 holds names array2 holds occupation so an example print out will be… Joe Bloggs Carpen…

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## [Rails 2 to Rails 3 upgrade issues](https://www.ruby-forum.com/t/rails-2-to-rails-3-upgrade-issues/197511)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 4\
**Last updated:** [October 15, 2010, 10:39pm UTC](https://www.ruby-forum.com/t/rails-2-to-rails-3-upgrade-issues/197511 "2010-10-15T22:39:36Z")

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Hi All, I’m very new to RoR development and am working through the developer.apple.com tutorials to try to get a good enough working knowledge to be able to start my own project. Unfortunately, i’m using Rails 3 and …

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## [Hashes in 1.9 index](https://www.ruby-forum.com/t/hashes-in-1-9-index/193524)

<div class="topic-metadata">

**Author:** [@tensaiji](https://www.ruby-forum.com/u/tensaiji)\
**Replies:** 4\
**Last updated:** [August 19, 2010, 9:08am UTC](https://www.ruby-forum.com/t/hashes-in-1-9-index/193524 "2010-08-19T09:08:51Z")

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Since hashes in 1.9 retain their insert order, is there a built in way to get values by index as well as key? For example: h = { a: 17, b: 18, c: 19 } puts h\[1\] =\> 19 Obviously that can’t work, but there may be som…

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## [Current recommended /state of the art PHP + Nginx stack?](https://www.ruby-forum.com/t/current-recommended-state-of-the-art-php-nginx-stack/186177)

<div class="topic-metadata">

**Author:** [@RoastedPeanut](https://www.ruby-forum.com/u/RoastedPeanut)\
**Replies:** 4\
**Last updated:** [April 1, 2010, 9:45pm UTC](https://www.ruby-forum.com/t/current-recommended-state-of-the-art-php-nginx-stack/186177 "2010-04-01T21:45:46Z")

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Hi there and thanks for the great forum and software :slight\_smile: I’ve been running lighttpd for a while but it’s giving me too much downtime with spawn-fcgi and the frequent 500 server errors…so I’d like to move ov…

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## [Help](https://www.ruby-forum.com/t/help/73527)

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**Author:** [@Chrisr](https://www.ruby-forum.com/u/Chrisr)\
**Replies:** 4\
**Last updated:** [January 8, 2010, 6:22am UTC](https://www.ruby-forum.com/t/help/73527 "2010-01-08T06:22:19Z")

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There is an Audit Type class Each Audit Type has many Audit Items, they are accessible with the method: AuditType.audit\_items It is possible to expire audit items, this sets the expired column to 1. They still need …

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## [Question on Rewrite / If statements](https://www.ruby-forum.com/t/question-on-rewrite-if-statements/175648)

<div class="topic-metadata">

**Author:** [@Resicow](https://www.ruby-forum.com/u/Resicow)\
**Replies:** 4\
**Last updated:** [September 18, 2009, 5:53pm UTC](https://www.ruby-forum.com/t/question-on-rewrite-if-statements/175648 "2009-09-18T17:53:46Z")

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Hello, I have learned that the http\_referer module does not support variables. I am trying to work around this with if / rewrite statements, but may have run into the same issue. How can I make this work? set $myva…

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## [Deployment Question](https://www.ruby-forum.com/t/deployment-question/174445)

<div class="topic-metadata">

**Author:** [@tashfeen.ekram](https://www.ruby-forum.com/u/tashfeen.ekram)\
**Replies:** 4\
**Last updated:** [August 30, 2009, 5:24am UTC](https://www.ruby-forum.com/t/deployment-question/174445 "2009-08-30T05:24:45Z")

</div>

I am getting ready deploy my app and trying to figure its configuration to allow for scaling if needed. I am looking at deploying on Amazon. I do not expect high traffic in the beginning (though that is completely a c…

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## [Weird associations, how would you do that?](https://www.ruby-forum.com/t/weird-associations-how-would-you-do-that/168444)

<div class="topic-metadata">

**Author:** [@jerefrer](https://www.ruby-forum.com/u/jerefrer)\
**Replies:** 4\
**Last updated:** [May 20, 2009, 11:03pm UTC](https://www.ruby-forum.com/t/weird-associations-how-would-you-do-that/168444 "2009-05-20T23:03:42Z")

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Hi there, I have some complex situation to solve, and can’t manage to find a way which satisfy me … Here’s the problem : You have to handle many Users (id, name, email, password). You have a list of many Products (i…

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## [Controller access to POST Data in bulk?](https://www.ruby-forum.com/t/controller-access-to-post-data-in-bulk/166742)

<div class="topic-metadata">

**Author:** [@scafativ](https://www.ruby-forum.com/u/scafativ)\
**Replies:** 4\
**Last updated:** [April 29, 2009, 6:25am UTC](https://www.ruby-forum.com/t/controller-access-to-post-data-in-bulk/166742 "2009-04-29T06:25:35Z")

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Hi, Ruby N. here, with a question. I’ve written rails web app, and I’d like to have the controller log the post data into the info log to keep track of how users are using my app. Is there a way to reference all of …

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## [Extract common entries in two arrays](https://www.ruby-forum.com/t/extract-common-entries-in-two-arrays/162878)

<div class="topic-metadata">

**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\
**Replies:** 4\
**Last updated:** [March 15, 2009, 2:10am UTC](https://www.ruby-forum.com/t/extract-common-entries-in-two-arrays/162878 "2009-03-15T02:10:19Z")

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Hi, how to get an array with just common entries from two arrays?: array1 = \[“q”, “w”, “e”, “r”, “t”, “y”\] array2 = \[“w”, “t”, “z”\] I want to get: array\_common = \[“w”, “t”\] I don0t find an ellegant and fast way to g…

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## [How to setup adc\_rate in grc\_usrp.simple\_source\_c](https://www.ruby-forum.com/t/how-to-setup-adc-rate-in-grc-usrp-simple-source-c/162068)

<div class="topic-metadata">

**Author:** [@feldmaus](https://www.ruby-forum.com/u/feldmaus)\
**Replies:** 4\
**Last updated:** [March 5, 2009, 6:50pm UTC](https://www.ruby-forum.com/t/how-to-setup-adc-rate-in-grc-usrp-simple-source-c/162068 "2009-03-05T18:50:49Z")

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Hi All, i noticed that there will be used in the most example some special sources. Not the \<grc\_usrp.simple\_source\_c\> as in my program. Do i have to use for example \<usrp.source\_c\> to adjust the adc\_rate ? Which one…

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## [Nginx Wiki down](https://www.ruby-forum.com/t/nginx-wiki-down/159137)

<div class="topic-metadata">

**Author:** [@cliffwiggs](https://www.ruby-forum.com/u/cliffwiggs)\
**Replies:** 4\
**Last updated:** [February 12, 2009, 9:21am UTC](https://www.ruby-forum.com/t/nginx-wiki-down/159137 "2009-02-12T09:21:24Z")

</div>

Hi, I’ve moved the server the wiki resides on to a new colocation facility. As soon as I get all the IP/DNS stuff worked out it will be back up (within a couple hours). Sorry for the inconvenience. Regards, Cliff

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## [A question about ajax](https://www.ruby-forum.com/t/a-question-about-ajax/156588)

<div class="topic-metadata">

**Author:** [@youhaodeyi](https://www.ruby-forum.com/u/youhaodeyi)\
**Replies:** 4\
**Last updated:** [December 31, 2008, 5:30am UTC](https://www.ruby-forum.com/t/a-question-about-ajax/156588 "2008-12-31T05:30:32Z")

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I defines a partial see below: \<%= puts @project.version text\_field\_tag “project\_version”, @project.version %\> I want the project version update-to-date. The first line can print the correct version value but the t…

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## [Faster Bignum#\*](https://www.ruby-forum.com/t/faster-bignum/123544)

<div class="topic-metadata">

**Author:** [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Replies:** 4\
**Last updated:** [September 2, 2008, 10:57am UTC](https://www.ruby-forum.com/t/faster-bignum/123544 "2008-09-02T10:57:12Z")

</div>

e$B1sF#$H?=$7$^$9!#e(B Bignum#\* e$B$Ke(B FFT e$B$rMQ$$$?\>h;;$r\<BAu$7$F$\_$^$7$?!#e(B 10 e$B?J$Ge(B 100000 e$B7e0J\>e$"$k$h$&$J5pBg$J@0?t$N\>h;;$,B.$/$J$j$^$9!#e(B e$B$=$s$J\<{MW$O$J$$$G$7$g$&$+!#e(B $ cat …/test\_fft.rb …

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## [Accessing instance variable](https://www.ruby-forum.com/t/accessing-instance-variable/147400)

<div class="topic-metadata">

**Author:** [@Mayuresh\_K](https://www.ruby-forum.com/u/Mayuresh_K)\
**Replies:** 4\
**Last updated:** [September 1, 2008, 4:49pm UTC](https://www.ruby-forum.com/t/accessing-instance-variable/147400 "2008-09-01T16:49:31Z")

</div>

Hello, I did the following; class O @b = 0 def x=(a) @b = a end end o = O.new o.x = 1 I then tried to access b by doing; c = o.b but irb gave me the following error; NoMethodError: undefined method b' for #\<O…

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## [Application wide values/code](https://www.ruby-forum.com/t/application-wide-values-code/147022)

<div class="topic-metadata">

**Author:** [@pepe](https://www.ruby-forum.com/u/pepe)\
**Replies:** 4\
**Last updated:** [August 29, 2008, 6:35pm UTC](https://www.ruby-forum.com/t/application-wide-values-code/147022 "2008-08-29T18:35:09Z")

</div>

Hello, I know this is going to be very simple but I am new enough to not have it very clear. If I wanted to have values/constants and code available in all parts of the application (views, controllers and models), wh…

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## [Where can I get Ruby's design architecture details](https://www.ruby-forum.com/t/where-can-i-get-rubys-design-architecture-details/138539)

<div class="topic-metadata">

**Author:** [@Amitraj\_singh\_C](https://www.ruby-forum.com/u/Amitraj_singh_C)\
**Replies:** 4\
**Last updated:** [May 24, 2008, 9:53am UTC](https://www.ruby-forum.com/t/where-can-i-get-rubys-design-architecture-details/138539 "2008-05-24T09:53:46Z")

</div>

Hi all I am new to this forum. Can any one please give me the indication to the links where I can get Ruby’s design architecture details. Also please mention the links which are helpful for ruby developers. Thanks …

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## [A computer science book to learn about interpreter, VM etc](https://www.ruby-forum.com/t/a-computer-science-book-to-learn-about-interpreter-vm-etc/137034)

<div class="topic-metadata">

**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 4\
**Last updated:** [May 8, 2008, 8:42pm UTC](https://www.ruby-forum.com/t/a-computer-science-book-to-learn-about-interpreter-vm-etc/137034 "2008-05-08T20:42:02Z")

</div>

I learned HTML and then I learned programming. Have been a JAVA programmer for a bunch of years and now I have been working on Rails for more than six months. Never worked on C though. I am having trouble understandin…

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## [DevLib: Sharing Library Development Expertise](https://www.ruby-forum.com/t/devlib-sharing-library-development-expertise/132422)

<div class="topic-metadata">

**Author:** [@maraby](https://www.ruby-forum.com/u/maraby)\
**Replies:** 4\
**Last updated:** [March 20, 2008, 6:13pm UTC](https://www.ruby-forum.com/t/devlib-sharing-library-development-expertise/132422 "2008-03-20T18:13:59Z")

</div>

= DevLib == Sharing Library Development Expertise It’s my pleasure to announce the beginning of a simple documentation project to help beginners and seasoned developers alike with common problems and introductory mat…

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## [Tail f to an element using ajax](https://www.ruby-forum.com/t/tail-f-to-an-element-using-ajax/131886)

<div class="topic-metadata">

**Author:** [@Dion\_H](https://www.ruby-forum.com/u/Dion_H)\
**Replies:** 4\
**Last updated:** [March 14, 2008, 8:32am UTC](https://www.ruby-forum.com/t/tail-f-to-an-element-using-ajax/131886 "2008-03-14T08:32:37Z")

</div>

hi all, do you think it would be possible to tail -f the production log and update an html element using rjs so that the web page is updated every time the production log is updated? basically I want to see my logs…

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## [User with ssl-proxy, nginx problem](https://www.ruby-forum.com/t/user-with-ssl-proxy-nginx-problem/129744)

<div class="topic-metadata">

**Author:** [@GSSSSbor\_Farkas](https://www.ruby-forum.com/u/GSSSSbor_Farkas)\
**Replies:** 4\
**Last updated:** [February 21, 2008, 3:23pm UTC](https://www.ruby-forum.com/t/user-with-ssl-proxy-nginx-problem/129744 "2008-02-21T15:23:22Z")

</div>

hi, i’m facing a strange problem here, maybe someone had experience with this before… i have an nginx server, which server some files using HTTPS, and http-basic-auth. because nginx had ssl-problems in the past, in …

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## [Helpers in extensions](https://www.ruby-forum.com/t/helpers-in-extensions/112264)

<div class="topic-metadata">

**Author:** [@jimgroom](https://www.ruby-forum.com/u/jimgroom)\
**Replies:** 4\
**Last updated:** [August 16, 2007, 11:21pm UTC](https://www.ruby-forum.com/t/helpers-in-extensions/112264 "2007-08-16T23:21:20Z")

</div>

I’m attempting to create a tag that outputs a dollar value, such as number\_to\_currency(tag.locals.item.price) This isn’t working. What might I be doing wrong, or are there limitations to using rails helpers that I do…

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## [Ruby On Rails Vs. J2EE OpenSource vs. Apple WebObjects etc](https://www.ruby-forum.com/t/ruby-on-rails-vs-j2ee-opensource-vs-apple-webobjects-etc/111615)

<div class="topic-metadata">

**Author:** [@Ralphmiller](https://www.ruby-forum.com/u/Ralphmiller)\
**Replies:** 4\
**Last updated:** [August 9, 2007, 6:32pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vs-j2ee-opensource-vs-apple-webobjects-etc/111615 "2007-08-09T18:32:29Z")

</div>

Hello Gurus: New to Ruby/Rails. We are a startup and getting ready to start developing a DB driven business application. We have a Apple hardware with MAC OS with Ruby, WebObjects, JBoss, Hibernate and other opensour…

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## [Unsure how to Model this problem](https://www.ruby-forum.com/t/unsure-how-to-model-this-problem/109171)

<div class="topic-metadata">

**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 4\
**Last updated:** [July 19, 2007, 7:24pm UTC](https://www.ruby-forum.com/t/unsure-how-to-model-this-problem/109171 "2007-07-19T19:24:28Z")

</div>

I’m working on a management interface for a Single Login authentication system. We have server web apps, each app can have different installs (same code base different database connection), and available user rights …

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## [Save Cascades Broken?](https://www.ruby-forum.com/t/save-cascades-broken/106263)

<div class="topic-metadata">

**Author:** [@matt](https://www.ruby-forum.com/u/matt)\
**Replies:** 4\
**Last updated:** [June 8, 2007, 12:18pm UTC](https://www.ruby-forum.com/t/save-cascades-broken/106263 "2007-06-08T12:18:55Z")

</div>

In a has\_many and belongs\_to association between 2 tables (Album and AlbumTracks for argyments sake) I create a new AlbumTrack Object, and append it to the Album.album\_tracks array like so: album.album\_tracks \<\< Album…

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## [Install Plugin](https://www.ruby-forum.com/t/install-plugin/105958)

<div class="topic-metadata">

**Author:** [@james-calivar](https://www.ruby-forum.com/u/james-calivar)\
**Replies:** 4\
**Last updated:** [June 5, 2007, 12:20am UTC](https://www.ruby-forum.com/t/install-plugin/105958 "2007-06-05T00:20:06Z")

</div>

Hi I am new at RoR and don’t really have much of a programming background. I would like to know how to install a plugin. For example, I’ev downloaded the upload\_column0.2.1.zip file from ruby forge and placed in in m…

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## [Â¿alguien de Madrid que quiera ayudar a un novato?](https://www.ruby-forum.com/t/a-alguien-de-madrid-que-quiera-ayudar-a-un-novato/103608)

<div class="topic-metadata">

**Author:** [@Alvaro\_Isorna](https://www.ruby-forum.com/u/Alvaro_Isorna)\
**Replies:** 4\
**Last updated:** [May 8, 2007, 1:37pm UTC](https://www.ruby-forum.com/t/a-alguien-de-madrid-que-quiera-ayudar-a-un-novato/103608 "2007-05-08T13:37:09Z")

</div>

Saludos, llevo una temporada empollando Ruby, porque en breve empiezo un trabajo desarrollado con RoR, y hasta hace poco estuve experimentando con unas versiones antiguas, pero ayer tarde actualicÃ© Locomotive, Growl …

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## [How to substitute my class method for rails' version](https://www.ruby-forum.com/t/how-to-substitute-my-class-method-for-rails-version/90591)

<div class="topic-metadata">

**Author:** [@cwd](https://www.ruby-forum.com/u/cwd)\
**Replies:** 4\
**Last updated:** [March 30, 2007, 9:14pm UTC](https://www.ruby-forum.com/t/how-to-substitute-my-class-method-for-rails-version/90591 "2007-03-30T21:14:32Z")

</div>

I’m putting together a plugin and it has to monkey-patch some of ActionMailer. A good deal of AM’s magic is class methods, and I’m wanting to do something like: module ActionMailer class Base class \<\< self def cre…

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