# Top

**URL:** https://www.ruby-forum.com/top.md?page=1372

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**Page:** 1373

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## [Tk TopLevel window](https://www.ruby-forum.com/t/tk-toplevel-window/108230)

<div class="topic-metadata">

**Author:** [@jason](https://www.ruby-forum.com/u/jason)\
**Replies:** 1\
**Last updated:** [July 2, 2007, 4:06am UTC](https://www.ruby-forum.com/t/tk-toplevel-window/108230 "2007-07-02T04:06:39Z")

</div>

I have been searching for awhile but cannot find the answer to my question. I have a TkRoot window that when a button is clicked, a new TkToplevel window is created. I don’t want the user to be able to get focus of t…

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## [Re: Page\_Attachments](https://www.ruby-forum.com/t/re-page-attachments/106911)

<div class="topic-metadata">

**Author:** [@Sharon\_C](https://www.ruby-forum.com/u/Sharon_C)\
**Replies:** 1\
**Last updated:** [June 15, 2007, 3:46pm UTC](https://www.ruby-forum.com/t/re-page-attachments/106911 "2007-06-15T15:46:01Z")

</div>

I am also still having the same problem with Page\_Attachments, I have only tried a couple of pdf files which have been ok. It is mostly image files that we need to upload. The images are usually over 1mb so it doesn…

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## [Capistrano/rake integration is deprecated](https://www.ruby-forum.com/t/capistrano-rake-integration-is-deprecated/89042)

<div class="topic-metadata">

**Author:** [@andy-spb](https://www.ruby-forum.com/u/andy-spb)\
**Replies:** 1\
**Last updated:** [March 17, 2007, 1:16am UTC](https://www.ruby-forum.com/t/capistrano-rake-integration-is-deprecated/89042 "2007-03-17T01:16:08Z")

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Hello everybody, I’m trying to include capistrano support into RoR application, as descripbed in the 2nd version of the Agile Rails book. But after invoking the command : rake remote:cold\_deploy I’ve received the mes…

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## [Getting RForum](https://www.ruby-forum.com/t/getting-rforum/89033)

<div class="topic-metadata">

**Author:** [@Siva\_J](https://www.ruby-forum.com/u/Siva_J)\
**Replies:** 1\
**Last updated:** [March 16, 2007, 5:46pm UTC](https://www.ruby-forum.com/t/getting-rforum/89033 "2007-03-16T17:46:19Z")

</div>

I am getting this error when trying to get rforum C:\\work\\rforum\>c:\\download\\utils\\darcs-client-0.9.1.exe get http://darcs.andreas-s.net/rforum Error: Darcs server script not found: http://darcs.andreas-s.net/cgi-bin…

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## [Trying to get to REMOTE\_ADDR](https://www.ruby-forum.com/t/trying-to-get-to-remote-addr/68257)

<div class="topic-metadata">

**Author:** [@xtrmtrk](https://www.ruby-forum.com/u/xtrmtrk)\
**Replies:** 1\
**Last updated:** [September 11, 2006, 11:22am UTC](https://www.ruby-forum.com/t/trying-to-get-to-remote-addr/68257 "2006-09-11T11:22:42Z")

</div>

How does one go about finding the remote address of an HTTP request in Rails? I’ve got a fairly vanilla Rails application with the following code: class GuestController \< ApplicationController @remote\_ip = request.e…

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## [Load an array of 10 ratings by position](https://www.ruby-forum.com/t/load-an-array-of-10-ratings-by-position/222511)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 5\
**Last updated:** [August 31, 2012, 1:53pm UTC](https://www.ruby-forum.com/t/load-an-array-of-10-ratings-by-position/222511 "2012-08-31T13:53:33Z")

</div>

Hi all. I need to load an array with 10 numbers, and place the sum in another array of numbers as follows: number \[0\] + number \[9\], number \[1\] + number \[8\] and so on. Overall I have to have the following COMBINATIONS: …

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## [Jruby --1.9 : Exception in thread "RubyThread-1: threadtest.rb:1" java.lang.LinkageError: loader (in](https://www.ruby-forum.com/t/jruby-1-9-exception-in-thread-rubythread-1-threadtest-rb-1-java-lang-linkageerror-loader-in/207445)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [June 10, 2011, 9:39am UTC](https://www.ruby-forum.com/t/jruby-1-9-exception-in-thread-rubythread-1-threadtest-rb-1-java-lang-linkageerror-loader-in/207445 "2011-06-10T09:39:05Z")

</div>

Content preview: Hi, the following script works under MRI 1.9, but not under jruby 1.9 (but in jruby 1.8): require ‘thread’ \[…\] Content analysis details: (-2.9 points, 5.0 required) pts rule name desc…

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## [Newbie understanding blocks](https://www.ruby-forum.com/t/newbie-understanding-blocks/204739)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 5\
**Last updated:** [March 20, 2011, 11:55pm UTC](https://www.ruby-forum.com/t/newbie-understanding-blocks/204739 "2011-03-20T23:55:32Z")

</div>

I am learning Ruby and having some difficulty understanding blocks. I was trying out following code for getting better idea about blocks. I was expecting case 2 to print ‘test’ string, but it is not printing out anyth…

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## [Where can I find shoes?](https://www.ruby-forum.com/t/where-can-i-find-shoes/191289)

<div class="topic-metadata">

**Author:** [@tehdoctor](https://www.ruby-forum.com/u/tehdoctor)\
**Replies:** 5\
**Last updated:** [July 12, 2010, 4:14pm UTC](https://www.ruby-forum.com/t/where-can-i-find-shoes/191289 "2010-07-12T16:14:48Z")

</div>

Hey. Just wondering if anybody knows where I can find Shoes? I’ve searched for it and found nothing. The original website is down and the Google project page doesn’t have it either.

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## [My way to force cache expire](https://www.ruby-forum.com/t/my-way-to-force-cache-expire/190657)

<div class="topic-metadata">

**Author:** [@Simone\_fumagalli](https://www.ruby-forum.com/u/Simone_fumagalli)\
**Replies:** 5\
**Last updated:** [June 24, 2010, 6:10pm UTC](https://www.ruby-forum.com/t/my-way-to-force-cache-expire/190657 "2010-06-24T18:10:04Z")

</div>

I’ve Nginx in front of my CMS that cache requests without cookie (anonymous visitors) while other requests (logged in users) are passed to the backend. The conf look like this (only relevant parts) : proxy\_cache\_pat…

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## [Gui with ruby](https://www.ruby-forum.com/t/gui-with-ruby/188775)

<div class="topic-metadata">

**Author:** [@site-master](https://www.ruby-forum.com/u/site-master)\
**Replies:** 5\
**Last updated:** [May 18, 2010, 3:35pm UTC](https://www.ruby-forum.com/t/gui-with-ruby/188775 "2010-05-18T15:35:17Z")

</div>

could someone please reccomend a good program to create a gui for my ruby programs thanks…

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## [The main index.html](https://www.ruby-forum.com/t/the-main-index-html/169955)

<div class="topic-metadata">

**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 5\
**Last updated:** [June 10, 2009, 7:15pm UTC](https://www.ruby-forum.com/t/the-main-index-html/169955 "2009-06-10T19:15:39Z")

</div>

So if I want to grab info from various Models and put it on the main Index page how does that work? Since there’s no main index view or controller?.. or is there?..

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## [Ignore 411 errors](https://www.ruby-forum.com/t/ignore-411-errors/168536)

<div class="topic-metadata">

**Author:** [@wannabe-coder](https://www.ruby-forum.com/u/wannabe-coder)\
**Replies:** 5\
**Last updated:** [May 22, 2009, 7:40pm UTC](https://www.ruby-forum.com/t/ignore-411-errors/168536 "2009-05-22T19:40:14Z")

</div>

Is there anyway to ignore 411 errors? I am trying to proxy requests to an upstream server and would like that server to deal with the 411’s rather than nginx. Is this possible? Thanks. -Joe

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## [Testing RESTful actions (put/post)](https://www.ruby-forum.com/t/testing-restful-actions-put-post/165347)

<div class="topic-metadata">

**Author:** [@neubyr](https://www.ruby-forum.com/u/neubyr)\
**Replies:** 5\
**Last updated:** [April 14, 2009, 6:00am UTC](https://www.ruby-forum.com/t/testing-restful-actions-put-post/165347 "2009-04-14T06:00:41Z")

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I am trying to test my update method: put :update, {:id =\> topics(:one).id, :topics =\> {:title =\> ‘Updated Unique Title’}}, {:user =\> users(:admin).id, :user\_role =\> users(:admin).role.name} The above statement works…

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## [Undefined method \`start\_form\_tag'](https://www.ruby-forum.com/t/undefined-method-start-form-tag/156872)

<div class="topic-metadata">

**Author:** [@cutegirl](https://www.ruby-forum.com/u/cutegirl)\
**Replies:** 5\
**Last updated:** [January 4, 2009, 9:17pm UTC](https://www.ruby-forum.com/t/undefined-method-start-form-tag/156872 "2009-01-04T21:17:53Z")

</div>

I tried to generate a form using the Rails “start\_form\_tag”, but got the error message “undefined method \`start\_form\_tag’ for #ActionView::Base:0x47b4c70”. What could be missing here. Thanks for help.

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## [USRP2 latency calculations](https://www.ruby-forum.com/t/usrp2-latency-calculations/152590)

<div class="topic-metadata">

**Author:** [@Pauli\_Rikula](https://www.ruby-forum.com/u/Pauli_Rikula)\
**Replies:** 5\
**Last updated:** [November 5, 2008, 5:24pm UTC](https://www.ruby-forum.com/t/usrp2-latency-calculations/152590 "2008-11-05T17:24:21Z")

</div>

I foud this wery usefull: http://www.gnuradio.org/trac/wiki/UsrpFAQ/Latency Is there similar calculations about the latency of the USRP2? If there is not, could someone please do those calculations? – Pauli Rikula

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## [How easy is using ActiveRecord in a non RoR application?](https://www.ruby-forum.com/t/how-easy-is-using-activerecord-in-a-non-ror-application/145580)

<div class="topic-metadata">

**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\
**Replies:** 5\
**Last updated:** [August 11, 2008, 7:45pm UTC](https://www.ruby-forum.com/t/how-easy-is-using-activerecord-in-a-non-ror-application/145580 "2008-08-11T19:45:35Z")

</div>

Hi, I plan to use ActiveRecord in a non RubyOnRails application (just pure Ruby app). How easy is it? is just loading the library?

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## [Select in list.rhtml](https://www.ruby-forum.com/t/select-in-list-rhtml/144027)

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**Author:** [@marco](https://www.ruby-forum.com/u/marco)\
**Replies:** 5\
**Last updated:** [July 29, 2008, 12:39pm UTC](https://www.ruby-forum.com/t/select-in-list-rhtml/144027 "2008-07-29T12:39:55Z")

</div>

i am new to ruby on rails, and this might be a simple one but i have no idea what to do. i need to put a select (\_tag or whatever) into a list.rhtml and get the selected value from this. Putting the select to the view…

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## [Help with ruby script/daemons start in production](https://www.ruby-forum.com/t/help-with-ruby-script-daemons-start-in-production/137317)

<div class="topic-metadata">

**Author:** [@captaffy](https://www.ruby-forum.com/u/captaffy)\
**Replies:** 5\
**Last updated:** [May 12, 2008, 1:14pm UTC](https://www.ruby-forum.com/t/help-with-ruby-script-daemons-start-in-production/137317 "2008-05-12T13:14:33Z")

</div>

I have no log in production mode with ruby script/daemons start. How can I make it work?

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## [Offerta di lavoro](https://www.ruby-forum.com/t/offerta-di-lavoro/136279)

<div class="topic-metadata">

**Author:** [@gnugnaman](https://www.ruby-forum.com/u/gnugnaman)\
**Replies:** 5\
**Last updated:** [April 30, 2008, 3:14pm UTC](https://www.ruby-forum.com/t/offerta-di-lavoro/136279 "2008-04-30T15:14:23Z")

</div>

Incoerenze.net cerca SU ROMA sviluppatore RoR come collaboratore. Occorre con urgenza persona capace di hostare su BlueHost.com un applicativo giÃ pronto e testato (sviluppato con Rails 1.x). Il lavoro, per una perso…

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## [Help running new application, Webrick not starting properly](https://www.ruby-forum.com/t/help-running-new-application-webrick-not-starting-properly/133612)

<div class="topic-metadata">

**Author:** [@shadowdev](https://www.ruby-forum.com/u/shadowdev)\
**Replies:** 5\
**Last updated:** [April 4, 2008, 4:39am UTC](https://www.ruby-forum.com/t/help-running-new-application-webrick-not-starting-properly/133612 "2008-04-04T04:39:58Z")

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Hello All, I’ve installed ruby 1.8.6, Gems 1.1.0, Rails 2.0.2. I’ve installed sqlite3 dll, reg, & exe in the ruby/bin directory and all “seems” installed properly. So the problem is this; I run ‘rails appname’ and it …

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## [Treemaps](https://www.ruby-forum.com/t/treemaps/129976)

<div class="topic-metadata">

**Author:** [@davox](https://www.ruby-forum.com/u/davox)\
**Replies:** 5\
**Last updated:** [February 27, 2008, 12:30am UTC](https://www.ruby-forum.com/t/treemaps/129976 "2008-02-27T00:30:03Z")

</div>

Estoy intentando implementar el treemaps en mi aplicaciÃ³n. pero me da el siguiene error: “undefined method \`font\_size’ for #Node:0x4895db0” Mi controler es el siguiente: class MapController \< ApplicationController d…

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## [Understanding Polymorphicness](https://www.ruby-forum.com/t/understanding-polymorphicness/127399)

<div class="topic-metadata">

**Author:** [@kopf1988](https://www.ruby-forum.com/u/kopf1988)\
**Replies:** 5\
**Last updated:** [January 31, 2008, 3:02am UTC](https://www.ruby-forum.com/t/understanding-polymorphicness/127399 "2008-01-31T03:02:14Z")

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Rating Model - belongs\_to :ratable, :polymorphic =\> true User Model & Comment Model & Picture Model - has\_one :rating, :as =\> :ratable Okay, so now my “Ratings” table should have these columns: ups = 5 downs = 2 ra…

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## [Is using attr\_accessor for class variables possible?](https://www.ruby-forum.com/t/is-using-attr-accessor-for-class-variables-possible/116572)

<div class="topic-metadata">

**Author:** [@mobileamusement](https://www.ruby-forum.com/u/mobileamusement)\
**Replies:** 5\
**Last updated:** [October 7, 2007, 3:58pm UTC](https://www.ruby-forum.com/t/is-using-attr-accessor-for-class-variables-possible/116572 "2007-10-07T15:58:46Z")

</div>

I know that attr\_accessor works for accessing instance variables, but it doesn’t seem to work for class ones. What is the best way to set/ retrieve the value of a class variable? Many thanks Gabriel

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## [Feeding a codeblock/function with an array or something simi](https://www.ruby-forum.com/t/feeding-a-codeblock-function-with-an-array-or-something-simi/113739)

<div class="topic-metadata">

**Author:** [@kazaam](https://www.ruby-forum.com/u/kazaam)\
**Replies:** 5\
**Last updated:** [September 4, 2007, 4:23pm UTC](https://www.ruby-forum.com/t/feeding-a-codeblock-function-with-an-array-or-something-simi/113739 "2007-09-04T16:23:38Z")

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Hi, I have a codeblock like this: def foobar(command,customerrormessage) if not system(command) puts customerrormessage exit end end and then many calls of it like: foobar(‘rm something’,‘Error I could’nt remove…

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## [Hash\_cache a bogus function that never worked?](https://www.ruby-forum.com/t/hash-cache-a-bogus-function-that-never-worked/113582)

<div class="topic-metadata">

**Author:** [@HSjoseph\_S](https://www.ruby-forum.com/u/HSjoseph_S)\
**Replies:** 5\
**Last updated:** [September 3, 2007, 9:53pm UTC](https://www.ruby-forum.com/t/hash-cache-a-bogus-function-that-never-worked/113582 "2007-09-03T21:53:10Z")

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Hi, I’ve been investigating various caching methods provided by Rail. I first looked at the hash\_cache module and function. In testing it, I noticed it wasn’t actually caching anything. Then looking at the source cod…

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## [Plastic Surgery for RDOC](https://www.ruby-forum.com/t/plastic-surgery-for-rdoc/92163)

<div class="topic-metadata">

**Author:** [@pimpmaster](https://www.ruby-forum.com/u/pimpmaster)\
**Replies:** 5\
**Last updated:** [April 17, 2007, 1:44am UTC](https://www.ruby-forum.com/t/plastic-surgery-for-rdoc/92163 "2007-04-17T01:44:59Z")

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I dont know about you guys, but personally I think the standard Rails documentation leaves much to be desired. The blue header, the vanilla code examples… the whole iframes thing. You can tell it was designed by a pro…

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## [RJS error in internet explorer](https://www.ruby-forum.com/t/rjs-error-in-internet-explorer/74759)

<div class="topic-metadata">

**Author:** [@stewbawka](https://www.ruby-forum.com/u/stewbawka)\
**Replies:** 5\
**Last updated:** [March 29, 2007, 12:12pm UTC](https://www.ruby-forum.com/t/rjs-error-in-internet-explorer/74759 "2007-03-29T12:12:54Z")

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hey all, got a rails app i’m finishing up. i have a little ajax on one of my pages where the person can choose a doctor from a drop down list and if the doctor isn’t there they can click a link which blinds down a lit…

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## [Problems accessing relational objects](https://www.ruby-forum.com/t/problems-accessing-relational-objects/80863)

<div class="topic-metadata">

**Author:** [@3nd3r](https://www.ruby-forum.com/u/3nd3r)\
**Replies:** 5\
**Last updated:** [January 2, 2007, 6:04am UTC](https://www.ruby-forum.com/t/problems-accessing-relational-objects/80863 "2007-01-02T06:04:20Z")

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Hi. I am frustrated here. I cannot access the attributes of the relational model. This should be straight forward and simple, I guess that’s why it’s frustrating. Let’s start with the models: Models class Ad \< ActiveR…

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## [How to start a application from a controller](https://www.ruby-forum.com/t/how-to-start-a-application-from-a-controller/76871)

<div class="topic-metadata">

**Author:** [@vnac](https://www.ruby-forum.com/u/vnac)\
**Replies:** 5\
**Last updated:** [November 22, 2006, 10:07pm UTC](https://www.ruby-forum.com/t/how-to-start-a-application-from-a-controller/76871 "2006-11-22T22:07:52Z")

</div>

I am new to ROR. I want to start my application from the controller instead of /public/index. Is it possible?

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## [Acts\_as\_attachment](https://www.ruby-forum.com/t/acts-as-attachment/71507)

<div class="topic-metadata">

**Author:** [@alarkspur](https://www.ruby-forum.com/u/alarkspur)\
**Replies:** 5\
**Last updated:** [October 9, 2006, 10:04pm UTC](https://www.ruby-forum.com/t/acts-as-attachment/71507 "2006-10-09T22:04:45Z")

</div>

Hola, por lo que he visto en los archivos de la lista se ha mencionado varias veces el uso de este plugin, mi pregunta es si alguien lo ha usado y como lo ha usado para poder asociar varias imágenes a un mismo regist…

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## [Ruby for office database application](https://www.ruby-forum.com/t/ruby-for-office-database-application/98565)

<div class="topic-metadata">

**Author:** [@pedx78](https://www.ruby-forum.com/u/pedx78)\
**Replies:** 5\
**Last updated:** [July 17, 2006, 8:17pm UTC](https://www.ruby-forum.com/t/ruby-for-office-database-application/98565 "2006-07-17T20:17:17Z")

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Hi, I have volunteered at my local charity to develop a database application, which keeps track of contacts, donations, organizations etc. i decided to use ruby for the job My question now is what frontend/approach …

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## [Production deployment](https://www.ruby-forum.com/t/production-deployment/96484)

<div class="topic-metadata">

**Author:** [@thila](https://www.ruby-forum.com/u/thila)\
**Replies:** 5\
**Last updated:** [June 29, 2006, 8:00pm UTC](https://www.ruby-forum.com/t/production-deployment/96484 "2006-06-29T20:00:30Z")

</div>

Gang- We are getting ready to launch our ROR application; the last item remaining is the deployment platform. For testing, we had used Apache + MOD\_FastCGI. I am not that impressed with it; sometimes it has strange e…

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## [AM/PM select](https://www.ruby-forum.com/t/am-pm-select/95657)

<div class="topic-metadata">

**Author:** [@seanwarburton](https://www.ruby-forum.com/u/seanwarburton)\
**Replies:** 5\
**Last updated:** [June 8, 2006, 10:44pm UTC](https://www.ruby-forum.com/t/am-pm-select/95657 "2006-06-08T22:44:41Z")

</div>

I have a customer that has a request that the select\_datetime fields have AM/PM selectors instead of 24 hour time. The rails time and datetime selects seem to only support 24 hour time. I can’t seem to find any inform…

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## [Rails in Dr. Dobbs Journal?](https://www.ruby-forum.com/t/rails-in-dr-dobbs-journal/60241)

<div class="topic-metadata">

**Author:** [@Jean-FranSSSSois](https://www.ruby-forum.com/u/Jean-FranSSSSois)\
**Replies:** 5\
**Last updated:** [May 18, 2006, 3:01am UTC](https://www.ruby-forum.com/t/rails-in-dr-dobbs-journal/60241 "2006-05-18T03:01:44Z")

</div>

Hi, I’ve read that Dr. Dobbs Journal’s last issue has a cover article about Rails titled “Ruby On Rails - Java’s Successor?”. Can’t find anything about it in http://www.ddj.com Does someone have the paper edition and…

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## [Problem with my gsub!](https://www.ruby-forum.com/t/problem-with-my-gsub/60647)

<div class="topic-metadata">

**Author:** [@bodikp](https://www.ruby-forum.com/u/bodikp)\
**Replies:** 5\
**Last updated:** [May 16, 2006, 9:45pm UTC](https://www.ruby-forum.com/t/problem-with-my-gsub/60647 "2006-05-16T21:45:19Z")

</div>

I can’t get a gsub! to work when I use a counter variable in my replacement. content.gsub!(/^%%Page:.\*(\[0-9\]{1,5})$/, “%%Page: $1”) I literally get “Page: $1” in my output. Why? How do I indicate that I want the numb…

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## [Please explain web services](https://www.ruby-forum.com/t/please-explain-web-services/59115)

<div class="topic-metadata">

**Author:** [@jjkiesch](https://www.ruby-forum.com/u/jjkiesch)\
**Replies:** 5\
**Last updated:** [April 28, 2006, 9:41pm UTC](https://www.ruby-forum.com/t/please-explain-web-services/59115 "2006-04-28T21:41:41Z")

</div>

could someone explain some of the uses for a web service. i’m reading about how to make them, but i’m still not quite sure what they’re good for. i have multiple rails apps that i would like to pass user information …

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## [New article up at Linux Journal](https://www.ruby-forum.com/t/new-article-up-at-linux-journal/58194)

<div class="topic-metadata">

**Author:** [@pat\_eyler](https://www.ruby-forum.com/u/pat_eyler)\
**Replies:** 5\
**Last updated:** [April 19, 2006, 8:31pm UTC](https://www.ruby-forum.com/t/new-article-up-at-linux-journal/58194 "2006-04-19T20:31:37Z")

</div>

http://www.linuxjournal.com/article/8993 If you’ve got feedback, requests for coverage, etc. please let me know. I’ll try to respond in an upcoming column. – thanks, -pate

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## [Polymorphic associations](https://www.ruby-forum.com/t/polymorphic-associations/55800)

<div class="topic-metadata">

**Author:** [@rath](https://www.ruby-forum.com/u/rath)\
**Replies:** 5\
**Last updated:** [March 28, 2006, 8:57am UTC](https://www.ruby-forum.com/t/polymorphic-associations/55800 "2006-03-28T08:57:50Z")

</div>

I have just updated rails and added polymorphic associations but they are not working properly. I’m following the recipe 17 of “Rails Recipes” and I’m getting an “Unknown key(s): as” error. These associations work pro…

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## [@params\["aKey"\] and multiple aKeys in request](https://www.ruby-forum.com/t/params-akey-and-multiple-akeys-in-request/78548)

<div class="topic-metadata">

**Author:** [@GSSSSbor\_SebestySSS](https://www.ruby-forum.com/u/GSSSSbor_SebestySSS)\
**Replies:** 5\
**Last updated:** [March 9, 2006, 7:46pm UTC](https://www.ruby-forum.com/t/params-akey-and-multiple-akeys-in-request/78548 "2006-03-09T19:46:19Z")

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Hi, I’ve actually run into an interesting problem and no idea how to fix it. In request parameters i have multiple “url” keys like this: url=www.abc.com&url=cnn.com&url=… But @params\[:url\] has only the latest value f…

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## [Rake appdoc errors](https://www.ruby-forum.com/t/rake-appdoc-errors/74508)

<div class="topic-metadata">

**Author:** [@feldpost](https://www.ruby-forum.com/u/feldpost)\
**Replies:** 5\
**Last updated:** [February 28, 2006, 9:19am UTC](https://www.ruby-forum.com/t/rake-appdoc-errors/74508 "2006-02-28T09:19:58Z")

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when running rake rake appdoc (os x 10.4) i get the following error: unrecognized option \`–line-numbers --inline-source’ any ideas? sebastian

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## [Update command not updating DB](https://www.ruby-forum.com/t/update-command-not-updating-db/51594)

<div class="topic-metadata">

**Author:** [@mrpunkin](https://www.ruby-forum.com/u/mrpunkin)\
**Replies:** 5\
**Last updated:** [January 6, 2006, 9:40pm UTC](https://www.ruby-forum.com/t/update-command-not-updating-db/51594 "2006-01-06T21:40:06Z")

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I really need your help guys… I spent 6 hours on this simple update command today that should work. It works fine in my other controller, but doesn’t work in this one for some reason. Here is my controller code for th…

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## [GNU Radio 3.8.0.0](https://www.ruby-forum.com/t/gnu-radio-3-8-0-0/259100)

<div class="topic-metadata">

**Author:** [@MaroonBeret](https://www.ruby-forum.com/u/MaroonBeret)\
**Replies:** 0\
**Last updated:** [April 1, 2020, 4:22am UTC](https://www.ruby-forum.com/t/gnu-radio-3-8-0-0/259100 "2020-04-01T04:22:16Z")

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Hi, I am using GNU Radio 3.8.0.0 and unable to find the slider option and the scope sink. any alternatives ?

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## [Larry Wall on perl 6 - posting one paragraph here about language design](https://www.ruby-forum.com/t/larry-wall-on-perl-6-posting-one-paragraph-here-about-language-design/244962)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [July 19, 2016, 1:24am UTC](https://www.ruby-forum.com/t/larry-wall-on-perl-6-posting-one-paragraph-here-about-language-design/244962 "2016-07-19T01:24:58Z")

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Here is Larry Wall on Perl 6 - I find it interesting for several reasons so you may want to read up on it for yourself, unless you have already done so (or are not interested in it): https://developers.slashdot.org/st…

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## [HAM2MON update](https://www.ruby-forum.com/t/ham2mon-update/243034)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [August 17, 2015, 4:11am UTC](https://www.ruby-forum.com/t/ham2mon-update/243034 "2015-08-17T04:11:44Z")

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Added AM demodulation for VHF air-band reception, via “-d 0” option switch for NBFM (default) and “-d 1“ for AM. OP25 via gr-dsd next on agenda; maybe at hackfest. Lou – View this message in context: http://gn…

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## [\[JOBS\] \[Remote\] Excellent Rails (full stack) developer required](https://www.ruby-forum.com/t/jobs-remote-excellent-rails-full-stack-developer-required/241252)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [May 28, 2014, 11:13am UTC](https://www.ruby-forum.com/t/jobs-remote-excellent-rails-full-stack-developer-required/241252 "2014-05-28T11:13:10Z")

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I run a small consulting company based in London, UK. I am looking to employ an excellent developer full-time to help develop existing and upcoming projects. We work remotely so you can work from anywhere - there is n…

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## [(GSoC) MIMO Transceiver](https://www.ruby-forum.com/t/gsoc-mimo-transceiver/239814)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [March 17, 2014, 1:15pm UTC](https://www.ruby-forum.com/t/gsoc-mimo-transceiver/239814 "2014-03-17T13:15:06Z")

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Hello community, Two weeks have passed since I added my idea “MIMO Transceiver” on GR GSoC webpage. In the past few days, I tried to carry my project a step forward. I did some reading and made some tests on MIMO CS…

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## [How can I do the below operation less then O(n2) time?](https://www.ruby-forum.com/t/how-can-i-do-the-below-operation-less-then-o-n2-time/239795)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [March 14, 2014, 6:13pm UTC](https://www.ruby-forum.com/t/how-can-i-do-the-below-operation-less-then-o-n2-time/239795 "2014-03-14T18:13:46Z")

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arr = \[ {:id=\>12, :name=\>“foo1”}, {:id=\>15, :name=\>“foo3”}, {:id=\>26, :name=\>“foo2”}, {:id=\>18, :name=\>“foo4”} \] sort\_order = \[15,12,18,26\] below is working, but O(n2) sort\_order.map { |id| arr.find { |h| h\[:id\] == …

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## [Array's methods and operators in Ruby](https://www.ruby-forum.com/t/arrays-methods-and-operators-in-ruby/238717)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [January 27, 2014, 10:57am UTC](https://www.ruby-forum.com/t/arrays-methods-and-operators-in-ruby/238717 "2014-01-27T10:57:28Z")

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What’s the method/operator between the two arrays for purpose like, arr1=\[1,2,3,4,5,6,7,8,9,10\] arr2=\[2,5,9\] #code to remove the item of arr2 from arr1. p arr1 #=\>\[1,3,4,6,7,8,10\] another is, arr3=\[a,b,c,d,e,f,g,h…

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## [\[JOBS\] DevOp / SysOp for Web Application (Location: Preferably in Berlin, remote work possible)](https://www.ruby-forum.com/t/jobs-devop-sysop-for-web-application-location-preferably-in-berlin-remote-work-possible/222799)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 3\
**Last updated:** [September 14, 2012, 12:47am UTC](https://www.ruby-forum.com/t/jobs-devop-sysop-for-web-application-location-preferably-in-berlin-remote-work-possible/222799 "2012-09-14T00:47:23Z")

</div>

Wimdu is an exciting, new start-up company headquartered in Berlin and one of the biggest Ruby projects in Europe. As a well-funded start-up with a long-term mission, Wimdu has grown to host over 50,000 properties in …

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