# Top

**URL:** https://www.ruby-forum.com/top.md?page=672

[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:** 673

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## [Storing nfc tag in client pc webpage](https://www.ruby-forum.com/t/storing-nfc-tag-in-client-pc-webpage/233181)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 5\
**Last updated:** [November 27, 2014, 11:32am UTC](https://www.ruby-forum.com/t/storing-nfc-tag-in-client-pc-webpage/233181 "2014-11-27T11:32:58Z")

</div>

hi. i’m new to ruby on rails. at the moment i’m developing web app with acr122u and iso/iec 14443a card. i want client pc to open web page, swipe cards, lookup tags which is already in the database then bring back so…

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## [Issue with gr-funcubedongleproplus](https://www.ruby-forum.com/t/issue-with-gr-funcubedongleproplus/239177)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 5\
**Last updated:** [February 19, 2014, 9:21am UTC](https://www.ruby-forum.com/t/issue-with-gr-funcubedongleproplus/239177 "2014-02-19T09:21:57Z")

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Hello! I’ve gotten GNU Radio 3.7.2.1 compiled and running. I have a FunCube Dongle Pro Plus V2 that I received in the last week. My environment is Debian wheezy running a generic kernel. I am getting the following wh…

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## [GMSK AX25 link to TCP with N200](https://www.ruby-forum.com/t/gmsk-ax25-link-to-tcp-with-n200/220364)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 5\
**Last updated:** [June 11, 2012, 12:31pm UTC](https://www.ruby-forum.com/t/gmsk-ax25-link-to-tcp-with-n200/220364 "2012-06-11T12:31:44Z")

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Hello, We are currently trying to setup a ground station for GMSK modulated AX25 packets at 9600 and 19200. Our current setup that works is the USRP N200 through GNU radio audio sink and to a Kantronics 9612+ TNC (…

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## [Setting JMX attributes](https://www.ruby-forum.com/t/setting-jmx-attributes/160511)

<div class="topic-metadata">

**Author:** [@skiz](https://www.ruby-forum.com/u/skiz)\
**Replies:** 5\
**Last updated:** [February 18, 2009, 2:28am UTC](https://www.ruby-forum.com/t/setting-jmx-attributes/160511 "2009-02-18T02:28:44Z")

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Hi, I am using edge jruby edge (rev 9083) and I am trying to set a JMX attribute. I can establish the connection and and read the variables no problem. But, when I try to set them I get this exception. Here is the c…

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## [Count number of downloads and link\_to](https://www.ruby-forum.com/t/count-number-of-downloads-and-link-to/143461)

<div class="topic-metadata">

**Author:** [@joel](https://www.ruby-forum.com/u/joel)\
**Replies:** 5\
**Last updated:** [July 19, 2008, 12:51am UTC](https://www.ruby-forum.com/t/count-number-of-downloads-and-link-to/143461 "2008-07-19T00:51:28Z")

</div>

Hello, I have a download link on my page, whick looks like that : \<%=link\_to “Download”, @photo.public\_filename, :class =\> “thickbox”%\> As you see, I m displyaing an image in a thickbox popup. However I would like to…

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## [Response.body speichern](https://www.ruby-forum.com/t/response-body-speichern/139517)

<div class="topic-metadata">

**Author:** [@mrkohrea](https://www.ruby-forum.com/u/mrkohrea)\
**Replies:** 5\
**Last updated:** [June 4, 2008, 6:56pm UTC](https://www.ruby-forum.com/t/response-body-speichern/139517 "2008-06-04T18:56:25Z")

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Hallo, ich komme mit dem response.body nicht weiter. WeiÃŸ jemand wie ich den response.body bzw. dessen stream speichern kann? Bis rails 2.0.2 hat das funktioniert: File.open(path, “wb+”) { |f| f.write(response.body)…

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## [Gr-qtgui configuring?](https://www.ruby-forum.com/t/gr-qtgui-configuring/103440)

<div class="topic-metadata">

**Author:** [@mdeering](https://www.ruby-forum.com/u/mdeering)\
**Replies:** 5\
**Last updated:** [May 7, 2007, 3:30pm UTC](https://www.ruby-forum.com/t/gr-qtgui-configuring/103440 "2007-05-07T15:30:10Z")

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I’m trying to get gr-qtgui to configure for compilation. I’ve installed libqt-mt, thinking that that would be the better way to go (MT generally is, IMHO). I’ve set “QWT\_CFLAGS” correctly to point to “/usr/include/q…

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## [Betfair API library?](https://www.ruby-forum.com/t/betfair-api-library/59329)

<div class="topic-metadata">

**Author:** [@prichard](https://www.ruby-forum.com/u/prichard)\
**Replies:** 5\
**Last updated:** [May 8, 2006, 11:17am UTC](https://www.ruby-forum.com/t/betfair-api-library/59329 "2006-05-08T11:17:38Z")

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Hi all, For those of you in jurisdictions where access to gambling sites is illegal, you may want to skip this message/thread. Betfair is the world’s leading betting exchange site at http:// www.betfair.com and withi…

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## [Announcement: Indexed Search Engine 0.1.2 Available](https://www.ruby-forum.com/t/announcement-indexed-search-engine-0-1-2-available/51583)

<div class="topic-metadata">

**Author:** [@lanceball](https://www.ruby-forum.com/u/lanceball)\
**Replies:** 5\
**Last updated:** [January 4, 2006, 6:12pm UTC](https://www.ruby-forum.com/t/announcement-indexed-search-engine-0-1-2-available/51583 "2006-01-04T18:12:46Z")

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Hello all. Apologies… I was a little too eager in my earlier annoucement about the Indexed Search Engine for Rails apps. The DB migration file contained an error that had to be worked around. I’ve fixed that, adde…

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## [Nginx 1.8 proxying to Netty - timeout from upstream](https://www.ruby-forum.com/t/nginx-1-8-proxying-to-netty-timeout-from-upstream/242720)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 2\
**Last updated:** [July 23, 2015, 5:46pm UTC](https://www.ruby-forum.com/t/nginx-1-8-proxying-to-netty-timeout-from-upstream/242720 "2015-07-23T17:46:49Z")

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I have setup Nginx proxy to a Netty server. I am seeing a timeout from upstream, i.e. Netty. The consequence of this timeout is that the JSON payload response is truncated (as seen on browser developer tools) 2015/07…

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## [Sumar campos de una tabla](https://www.ruby-forum.com/t/sumar-campos-de-una-tabla/152623)

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**Author:** [@fvasquez](https://www.ruby-forum.com/u/fvasquez)\
**Replies:** 2\
**Last updated:** [November 5, 2008, 6:32pm UTC](https://www.ruby-forum.com/t/sumar-campos-de-una-tabla/152623 "2008-11-05T18:32:47Z")

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Hola… Tengo este problema tengo una tabla de pagos que enlaza a dos tablas usuario\_id concepto\_id pago 1 1 200 1 2 800 1 4 650 1 8 900 …

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## [Running single migration file](https://www.ruby-forum.com/t/running-single-migration-file/136132)

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**Author:** [@karthikragu](https://www.ruby-forum.com/u/karthikragu)\
**Replies:** 2\
**Last updated:** [April 29, 2008, 2:38pm UTC](https://www.ruby-forum.com/t/running-single-migration-file/136132 "2008-04-29T14:38:59Z")

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hi all, in my db/migrate folder im having many migrations files that creates tables,add columns,and remove columns.i created a new migration file now and can i run only this new migration file using rake command…

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## [Help me reduce my script size](https://www.ruby-forum.com/t/help-me-reduce-my-script-size/236564)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 8\
**Last updated:** [September 17, 2013, 3:44am UTC](https://www.ruby-forum.com/t/help-me-reduce-my-script-size/236564 "2013-09-17T03:44:28Z")

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Here is my code: def self.count file,min,max tags = Hash.new(0) if min && max File.open(file,“r”).each\_slice(4) do |r| seq = r\[1\].chomp tags\[seq\] += 1 if seq.length.between? min,max end elsif min.nil? && max Fil…

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## [Error while installing GEM WMQ](https://www.ruby-forum.com/t/error-while-installing-gem-wmq/207695)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [June 1, 2011, 4:26pm UTC](https://www.ruby-forum.com/t/error-while-installing-gem-wmq/207695 "2011-06-01T16:26:56Z")

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Hi, I am trying to install Ruby WMQ on RHEL6 and SLES11, and it is failing on both environments. Here is what I get: The scenario is for SuSe Ver 11. ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) \[x86\_64-linux\] …

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## [USRP1 problem, UHD problem, and one suggestion](https://www.ruby-forum.com/t/usrp1-problem-uhd-problem-and-one-suggestion/207501)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [May 28, 2011, 3:34pm UTC](https://www.ruby-forum.com/t/usrp1-problem-uhd-problem-and-one-suggestion/207501 "2011-05-28T15:34:39Z")

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USRP1: When we have a very simple flowgraph with a USRP1 sink connected to a signal source and a USRP1 source connected to a WX scope- trying to shut down the app using the close box causes the USB on the host system…

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## [Is there anything like Array#Index that takes a block?](https://www.ruby-forum.com/t/is-there-anything-like-array-index-that-takes-a-block/166674)

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**Author:** [@pod](https://www.ruby-forum.com/u/pod)\
**Replies:** 8\
**Last updated:** [February 13, 2011, 2:38am UTC](https://www.ruby-forum.com/t/is-there-anything-like-array-index-that-takes-a-block/166674 "2011-02-13T02:38:33Z")

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I would like to avoid doing : Array.index(Enumerable.find { |blarg| blarg =~ /blah/ }) as that traverses the array twice. Is there any built in method that does this for me? That is, it’s a method that takes a block a…

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## [How to overwrite standard puts method](https://www.ruby-forum.com/t/how-to-overwrite-standard-puts-method/197391)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 8\
**Last updated:** [October 17, 2010, 2:06pm UTC](https://www.ruby-forum.com/t/how-to-overwrite-standard-puts-method/197391 "2010-10-17T14:06:36Z")

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I’m pretty new to ruby. I’m using buildR to build our software. When buildR runs in the trace mode it prints out a huge amount of information to the standard output which is difficult to understand. I would like to h…

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## [When to use a db?](https://www.ruby-forum.com/t/when-to-use-a-db/187324)

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**Author:** [@moyapilot](https://www.ruby-forum.com/u/moyapilot)\
**Replies:** 8\
**Last updated:** [April 28, 2010, 6:19am UTC](https://www.ruby-forum.com/t/when-to-use-a-db/187324 "2010-04-28T06:19:46Z")

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Dumb question but I am reading in a constant stream of lines via fastercsv and pushing it into an array. Each line is either a new object or will update some information in an existing object. 98% of all lines will …

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## [How to make JRuby support ISO-8859-1 for its strings?](https://www.ruby-forum.com/t/how-to-make-jruby-support-iso-8859-1-for-its-strings/154653)

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**Author:** [@Sergio\_Oliveira](https://www.ruby-forum.com/u/Sergio_Oliveira)\
**Replies:** 8\
**Last updated:** [December 3, 2008, 10:19pm UTC](https://www.ruby-forum.com/t/how-to-make-jruby-support-iso-8859-1-for-its-strings/154653 "2008-12-03T22:19:27Z")

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I am running JRuby 1.1.5 through Tomcat on Windows. I tried the $KCODE = ‘u’, $KCODE = ‘U’, $KCODE = ‘ASCII’, etc. None of them worked. :frowning: I have a JRuby String “SÃ©rgio” which is converted to a Java String wh…

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## [Why has the --color gone from my life?](https://www.ruby-forum.com/t/why-has-the-color-gone-from-my-life/139498)

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**Author:** [@Mikel\_L](https://www.ruby-forum.com/u/Mikel_L)\
**Replies:** 8\
**Last updated:** [July 8, 2008, 10:33pm UTC](https://www.ruby-forum.com/t/why-has-the-color-gone-from-my-life/139498 "2008-07-08T22:33:04Z")

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Hi all, Running on OSX 10.5.3, Latest Rspec trunk, Rspec rails trunk, latest autotest gem and rails 2.1 I’ve lost my colour output in autotest. rake spec gives colour output, but autotest gives me black and white. I…

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## [Limiting the scope of a variable](https://www.ruby-forum.com/t/limiting-the-scope-of-a-variable/136366)

<div class="topic-metadata">

**Author:** [@samoht](https://www.ruby-forum.com/u/samoht)\
**Replies:** 8\
**Last updated:** [May 1, 2008, 6:30pm UTC](https://www.ruby-forum.com/t/limiting-the-scope-of-a-variable/136366 "2008-05-01T18:30:30Z")

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Hello, with a function like that def let(\*a) yield(\*a) end the scope of variables can be limited, e.g. like this: let { x = “foo” # … do something with x … # here’s the end of scope of x } … let { x = “bar” #…

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## [TK84.dll](https://www.ruby-forum.com/t/tk84-dll/124833)

<div class="topic-metadata">

**Author:** [@mohammad](https://www.ruby-forum.com/u/mohammad)\
**Replies:** 8\
**Last updated:** [January 3, 2008, 3:26am UTC](https://www.ruby-forum.com/t/tk84-dll/124833 "2008-01-03T03:26:26Z")

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Well my CPU crashed and now TK84.dll isn’t on it. Where can I get the file? Thanks, Mohammad

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## [Restful Authentication routes](https://www.ruby-forum.com/t/restful-authentication-routes/87981)

<div class="topic-metadata">

**Author:** [@tomtt](https://www.ruby-forum.com/u/tomtt)\
**Replies:** 8\
**Last updated:** [March 7, 2007, 6:23pm UTC](https://www.ruby-forum.com/t/restful-authentication-routes/87981 "2007-03-07T18:23:19Z")

</div>

Hi all, I’ve been messing with Restful Authentication on Rails 1.2.2. I’m having trouble setting up the routes. In routes.rb I have: map.resources :users map.resources :sessions As per the documentation. However, I…

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## [\[OT\] rails deployment](https://www.ruby-forum.com/t/ot-rails-deployment/63911)

<div class="topic-metadata">

**Author:** [@cpecchia](https://www.ruby-forum.com/u/cpecchia)\
**Replies:** 8\
**Last updated:** [June 21, 2006, 12:47am UTC](https://www.ruby-forum.com/t/ot-rails-deployment/63911 "2006-06-21T00:47:50Z")

</div>

Salve a tuti, spero di non essere troppo OT. Volendo installare Rails sotto Linux + Apache 2.0…quale sistema utilizzereste? Io ho sentito parlare dell’uso con mod\_proxy, ma si dice sia poco “sicuro”…conoscete altri …

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## [GemPlugin 0.1 -- A Mongrel Spinoff](https://www.ruby-forum.com/t/gemplugin-0-1-a-mongrel-spinoff/77185)

<div class="topic-metadata">

**Author:** [@Zed\_S](https://www.ruby-forum.com/u/Zed_S)\
**Replies:** 8\
**Last updated:** [March 8, 2006, 1:14am UTC](https://www.ruby-forum.com/t/gemplugin-0-1-a-mongrel-spinoff/77185 "2006-03-08T01:14:54Z")

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Hello folks, Well I spent the weekend working on the Mongrel (http://mongrel.rubyforge.org) plugin system, and actually ended up cracking it out into a separate sub-project and releasing it under Ruby or LGPL. The G…

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## [Repost - Do dynamic finders work with legacy schemas?](https://www.ruby-forum.com/t/repost-do-dynamic-finders-work-with-legacy-schemas/51694)

<div class="topic-metadata">

**Author:** [@Eden\_B](https://www.ruby-forum.com/u/Eden_B)\
**Replies:** 8\
**Last updated:** [January 12, 2006, 12:29am UTC](https://www.ruby-forum.com/t/repost-do-dynamic-finders-work-with-legacy-schemas/51694 "2006-01-12T00:29:26Z")

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Hello everyone, I have another question related to a legacy schema I am working with. Do dynamic finders work with legacy schemas in general? The schema I am working with uses hungarian prefixes for column names. Fo…

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## [Xampl 0.1.0](https://www.ruby-forum.com/t/xampl-0-1-0/93290)

<div class="topic-metadata">

**Author:** [@hutch](https://www.ruby-forum.com/u/hutch)\
**Replies:** 8\
**Last updated:** [November 21, 2005, 5:44pm UTC](https://www.ruby-forum.com/t/xampl-0-1-0/93290 "2005-11-21T17:44:49Z")

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Hi, I’ve just uploaded the first release (0.1.0) of xampl for Ruby. I’m expecting a few teething pains but I hope they’ll be over with soon. This is a ruby version of a project I’ve been working on in Java since 1998…

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## [How to create a permanent record in table](https://www.ruby-forum.com/t/how-to-create-a-permanent-record-in-table/158361)

<div class="topic-metadata">

**Author:** [@scudco](https://www.ruby-forum.com/u/scudco)\
**Replies:** 4\
**Last updated:** [January 28, 2009, 10:31am UTC](https://www.ruby-forum.com/t/how-to-create-a-permanent-record-in-table/158361 "2009-01-28T10:31:57Z")

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I want one record in my table to be undeletable by a user. I guess/know i can achieve this by writing code in my controller and model to only present the user with reocords which can be deleted but im wondering if the…

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## [GridTableBase](https://www.ruby-forum.com/t/gridtablebase/127331)

<div class="topic-metadata">

**Author:** [@IrlwegS\_Franz\_SZNT](https://www.ruby-forum.com/u/IrlwegS_Franz_SZNT)\
**Replies:** 4\
**Last updated:** [January 28, 2008, 11:41pm UTC](https://www.ruby-forum.com/t/gridtablebase/127331 "2008-01-28T23:41:24Z")

</div>

Hello all, i’m using wxruby 1.9.4 with Grid and the model class: “GridTableBase” like in the code below. But the method set\_table of the grid does’nt work. Can anyone help me? require ‘wx’ include Wx class MyGridT…

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## [Multiple checkboxes](https://www.ruby-forum.com/t/multiple-checkboxes/62450)

<div class="topic-metadata">

**Author:** [@martinr](https://www.ruby-forum.com/u/martinr)\
**Replies:** 4\
**Last updated:** [June 6, 2006, 2:20pm UTC](https://www.ruby-forum.com/t/multiple-checkboxes/62450 "2006-06-06T14:20:51Z")

</div>

Please could someone suggest what might be wrong here. In my view I’m displaying a series of check boxes and when the form is submitted I want the controller to iterate over the values and contatenate them all into a…

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## [Compiling Apache from Source and Phusion Passenger can't find it](https://www.ruby-forum.com/t/compiling-apache-from-source-and-phusion-passenger-cant-find-it/226843)

<div class="topic-metadata">

**Author:** [@gabe](https://www.ruby-forum.com/u/gabe)\
**Replies:** 1\
**Last updated:** [February 23, 2013, 6:59pm UTC](https://www.ruby-forum.com/t/compiling-apache-from-source-and-phusion-passenger-cant-find-it/226843 "2013-02-23T18:59:57Z")

</div>

I compiled my http server (obviously from source)and runs ok under /usr/local/apache2 but when I do “sudo gem install passenger” it tells me it cannot find my apache2, the headers and the Environment and it suggests m…

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## [How to mock url\_for?](https://www.ruby-forum.com/t/how-to-mock-url-for/198180)

<div class="topic-metadata">

**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\
**Replies:** 1\
**Last updated:** [October 28, 2010, 4:41pm UTC](https://www.ruby-forum.com/t/how-to-mock-url-for/198180 "2010-10-28T16:41:09Z")

</div>

Hi, I am testing a model A, which calls inside url\_for method; rspec complains that url\_for is undefined (which I suppose is because url\_for is called outside view’s context) How can I mock url\_for rails method? Ple…

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## [Truncate function and html tags](https://www.ruby-forum.com/t/truncate-function-and-html-tags/161819)

<div class="topic-metadata">

**Author:** [@armstheykill](https://www.ruby-forum.com/u/armstheykill)\
**Replies:** 3\
**Last updated:** [April 29, 2009, 7:02pm UTC](https://www.ruby-forum.com/t/truncate-function-and-html-tags/161819 "2009-04-29T19:02:10Z")

</div>

I have a text field in the db for the body of user posts. Users submit the posts using the tinymce editor, which allows certain html tags. The posts are stored in the db with allowed html tags directly in the post, …

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## [Gtk Notebook size problem](https://www.ruby-forum.com/t/gtk-notebook-size-problem/226657)

<div class="topic-metadata">

**Author:** [@ebruakagunduz](https://www.ruby-forum.com/u/ebruakagunduz)\
**Replies:** 3\
**Last updated:** [February 17, 2013, 6:29am UTC](https://www.ruby-forum.com/t/gtk-notebook-size-problem/226657 "2013-02-17T06:29:11Z")

</div>

Hi, i am doing a gtk application. I use notebook. If i enlarge my window, it is like this. http://screencloud.net/v/6hLm Why? How can i ensure right shape?

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## [Proxy\_bind doesn't work outside location](https://www.ruby-forum.com/t/proxy-bind-doesnt-work-outside-location/215173)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [December 26, 2011, 11:38am UTC](https://www.ruby-forum.com/t/proxy-bind-doesnt-work-outside-location/215173 "2011-12-26T11:38:28Z")

</div>

Hi I don’t know if this is appropriate place or not but there is a bug with proxy\_bind, the directive has to be inside a location to work. I’m sure this wasn’t true for early versions. so this won’t work: proxy\_bind…

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## [Geocoder](https://www.ruby-forum.com/t/geocoder/185299)

<div class="topic-metadata">

**Author:** [@snantz](https://www.ruby-forum.com/u/snantz)\
**Replies:** 3\
**Last updated:** [March 20, 2010, 9:24am UTC](https://www.ruby-forum.com/t/geocoder/185299 "2010-03-20T09:24:30Z")

</div>

I am trying to write a script that uses the rails-geocoder gem to grab the latitude and longitude so I can store those values in my own local table, but am having trouble getting anything to work or to find any decent…

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## [Accessing backend response using nginx' Perl module](https://www.ruby-forum.com/t/accessing-backend-response-using-nginx-perl-module/176686)

<div class="topic-metadata">

**Author:** [@Srebrenko\_S](https://www.ruby-forum.com/u/Srebrenko_S)\
**Replies:** 3\
**Last updated:** [October 5, 2009, 8:44am UTC](https://www.ruby-forum.com/t/accessing-backend-response-using-nginx-perl-module/176686 "2009-10-05T08:44:33Z")

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Hi, I have a simple reverse proxy setup where a Perl module does some processing on the request and then forwards the request via the proxy module using an internal\_redirect method. I also need to adjust the response…

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## [Curious about Feature](https://www.ruby-forum.com/t/curious-about-feature/242193)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 6\
**Last updated:** [June 3, 2015, 7:35pm UTC](https://www.ruby-forum.com/t/curious-about-feature/242193 "2015-06-03T19:35:20Z")

</div>

Hi all, I just had this idea and would like to know if there is any major impediment to doing it. Could I add a little colored rectangle next to each input and output port that would change from green to yellow to re…

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## [Ran warble executable war, it can't find a lib](https://www.ruby-forum.com/t/ran-warble-executable-war-it-cant-find-a-lib/218306)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 6\
**Last updated:** [March 28, 2012, 5:24pm UTC](https://www.ruby-forum.com/t/ran-warble-executable-war-it-cant-find-a-lib/218306 "2012-03-28T17:24:27Z")

</div>

I ran: warble executable war And then: java -jar myproj.jar And when I hit localhost:8080 I see: Caused by: org.jruby.exceptions.RaiseException: (LoadError) no such file to load – lib/mongo-2.7.3 I looked in my w…

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## [Acts\_as\_tree](https://www.ruby-forum.com/t/acts-as-tree/99116)

<div class="topic-metadata">

**Author:** [@ANSS](https://www.ruby-forum.com/u/ANSS)\
**Replies:** 6\
**Last updated:** [September 10, 2008, 4:36pm UTC](https://www.ruby-forum.com/t/acts-as-tree/99116 "2008-09-10T16:36:23Z")

</div>

Hello, I’m trying to create categories that have their own subcategories, and each subcategory may have its own subcategories, … and so on. After some reading, I found out that the best way for creating such a thing …

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## [Agile Web Development with Rails, Third Edition](https://www.ruby-forum.com/t/agile-web-development-with-rails-third-edition/137854)

<div class="topic-metadata">

**Author:** [@Mauricio\_D](https://www.ruby-forum.com/u/Mauricio_D)\
**Replies:** 6\
**Last updated:** [May 28, 2008, 8:22am UTC](https://www.ruby-forum.com/t/agile-web-development-with-rails-third-edition/137854 "2008-05-28T08:22:11Z")

</div>

Vale la pena adquirir este libro, conocen algun otro que explique rails 2 y preferible en castellano y formato pdf Gracias – Mauricio Dulcce +54 1 5 36179028 Santos Dumont 2475 Capital Federal, Buenos Aires Argen…

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## [Order by date for archive page types](https://www.ruby-forum.com/t/order-by-date-for-archive-page-types/134687)

<div class="topic-metadata">

**Author:** [@imakethings](https://www.ruby-forum.com/u/imakethings)\
**Replies:** 6\
**Last updated:** [April 25, 2008, 7:24pm UTC](https://www.ruby-forum.com/t/order-by-date-for-archive-page-types/134687 "2008-04-25T19:24:57Z")

</div>

Is there a way to order child pages of an archive page type by the publish date? Its currently ordered alphabetically.

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## [Suggestion for New User](https://www.ruby-forum.com/t/suggestion-for-new-user/55162)

<div class="topic-metadata">

**Author:** [@mdaoust](https://www.ruby-forum.com/u/mdaoust)\
**Replies:** 6\
**Last updated:** [January 12, 2006, 8:45pm UTC](https://www.ruby-forum.com/t/suggestion-for-new-user/55162 "2006-01-12T20:45:02Z")

</div>

I, like many people, am starting to learn Ruby because of Rails. I am going through several tutorials and am understanding the concepts without too much difficulty, but the one area I am having trouble with is learni…

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## [How do I get substring of utf-8 string?](https://www.ruby-forum.com/t/how-do-i-get-substring-of-utf-8-string/84485)

<div class="topic-metadata">

**Author:** [@Dae\_San\_H](https://www.ruby-forum.com/u/Dae_San_H)\
**Replies:** 2\
**Last updated:** [March 22, 2006, 7:29am UTC](https://www.ruby-forum.com/t/how-do-i-get-substring-of-utf-8-string/84485 "2006-03-22T07:29:27Z")

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I’m trying to get substring from a utf-8 encoded string. (say, first 50 characters of the string) String#\[0…49\] would give me the first 50 bytes not 50 characters… I know there is jcode library, but it only let you …

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## [Feedback loop for bpsk carrier recovery?](https://www.ruby-forum.com/t/feedback-loop-for-bpsk-carrier-recovery/232711)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [October 23, 2014, 3:53pm UTC](https://www.ruby-forum.com/t/feedback-loop-for-bpsk-carrier-recovery/232711 "2014-10-23T15:53:14Z")

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For educational purposes, I am investigating a carrier recovery scheme for BPSK demodulation. I have synthesized a BPSK modulated signal, assembled a hardware carrier recovery scheme which works well (squaring the mo…

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## [Writing a game, trying to make dynamic loops](https://www.ruby-forum.com/t/writing-a-game-trying-to-make-dynamic-loops/227684)

<div class="topic-metadata">

**Author:** [@paerez](https://www.ruby-forum.com/u/paerez)\
**Replies:** 7\
**Last updated:** [March 25, 2013, 12:53pm UTC](https://www.ruby-forum.com/t/writing-a-game-trying-to-make-dynamic-loops/227684 "2013-03-25T12:53:09Z")

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Hey there, This is likely very simple, but I haven’t stumbled across the right code yet. I want the following to take place: class Player end puts "How many players?" players = gets() players.times do puts "Name of…

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## [Empty Device Address - EzTV 668](https://www.ruby-forum.com/t/empty-device-address-eztv-668/221618)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 1\
**Last updated:** [July 23, 2012, 5:05am UTC](https://www.ruby-forum.com/t/empty-device-address-eztv-668/221618 "2012-07-23T05:05:50Z")

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Hello, I am trying to get GNU Radio up and running, I am am experiencing an error that I haven’t been able to fix. It seems that uhd cannot find my EzTV 668 usb dongle. rtl\_test, however, lists it correctly. When I …

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## [Http 0.0.1 - talk to the web humanely](https://www.ruby-forum.com/t/http-0-0-1-talk-to-the-web-humanely/212691)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 7\
**Last updated:** [October 12, 2011, 10:00am UTC](https://www.ruby-forum.com/t/http-0-0-1-talk-to-the-web-humanely/212691 "2011-10-12T10:00:09Z")

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Http is on Github: GitHub - httprb/http: HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts Version 0.0.1 (codename “half-baked 0.0.1 release”) is now availabl…

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## [Cannot install ruby-debug-base](https://www.ruby-forum.com/t/cannot-install-ruby-debug-base/199979)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 1\
**Last updated:** [December 2, 2010, 10:32am UTC](https://www.ruby-forum.com/t/cannot-install-ruby-debug-base/199979 "2010-12-02T10:32:50Z")

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excuse me, I want install ruby-debug-base… but, gem install -V ruby-debug-base bla… bla… bla… bla… /usr/local/lib/ruby/gems/1.9.1/gems/linecache-0.43/test/short-file Building native extensions. This could take a wh…

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## [Redirect\_to et url](https://www.ruby-forum.com/t/redirect-to-et-url/166704)

<div class="topic-metadata">

**Author:** [@pierreva](https://www.ruby-forum.com/u/pierreva)\
**Replies:** 7\
**Last updated:** [April 29, 2009, 2:57pm UTC](https://www.ruby-forum.com/t/redirect-to-et-url/166704 "2009-04-29T14:57:54Z")

</div>

Bonjour à tous, J’aimerais utiliser des urls simplifiées pour permettre à l’utilisateur d’accèder à son compte à l’url suivante site.com/username J’ai donc ajouté une map.connect ‘:id’ dans routes.rb J’aurais aimé s…

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