# Top

**URL:** https://www.ruby-forum.com/top.md?page=981

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**Page:** 982

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## [fillItems() method - segmentation fault solved](https://www.ruby-forum.com/t/fillitems-method-segmentation-fault-solved/186061)

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**Author:** [@alexd](https://www.ruby-forum.com/u/alexd)\
**Replies:** 0\
**Last updated:** [March 31, 2010, 3:17am UTC](https://www.ruby-forum.com/t/fillitems-method-segmentation-fault-solved/186061 "2010-03-31T03:17:44Z")

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I had an FXRuby app that was randomly segfaulting at the following code line: listbox.clearItems() listbox.fillItems(some\_string\_array) It would segfault when executing .fillItems, but the segfault was unpredictable…

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## [Form\_for with nested shallow route](https://www.ruby-forum.com/t/form-for-with-nested-shallow-route/185644)

<div class="topic-metadata">

**Author:** [@alex](https://www.ruby-forum.com/u/alex)\
**Replies:** 0\
**Last updated:** [March 24, 2010, 2:23am UTC](https://www.ruby-forum.com/t/form-for-with-nested-shallow-route/185644 "2010-03-24T02:23:26Z")

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Let’s say I have: map.resources :teams do |team| team.resources :squads, :shallow =\> true end When I want to generate a form\_for a squad, I need both the team and squad for new/create, but only the squad for edit. T…

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## [Automatically Restart UHD/gr-uhd blocks](https://www.ruby-forum.com/t/automatically-restart-uhd-gr-uhd-blocks/234250)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [February 19, 2015, 12:23am UTC](https://www.ruby-forum.com/t/automatically-restart-uhd-gr-uhd-blocks/234250 "2015-02-19T00:23:38Z")

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I’ve recently received a request to have GNU Radio flowgraphs recover gracefully in the event of power glitches, or transient Ethernet anomalies that are severe enough to break the dataflow. ie. the event should be …

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## [Question over the Silder in GRC](https://www.ruby-forum.com/t/question-over-the-silder-in-grc/246384)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 4\
**Last updated:** [October 10, 2013, 6:43pm UTC](https://www.ruby-forum.com/t/question-over-the-silder-in-grc/246384 "2013-10-10T18:43:43Z")

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Hi all, I am using USRP N210 and GRC. I have a question over changing a USRP parameter using a slider in GRC. If I want to change the TX frequency from 2GHz to 4GHz using a slider, as we know, during this process, t…

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## [I am getting wrong response from nginx](https://www.ruby-forum.com/t/i-am-getting-wrong-response-from-nginx/218963)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [April 17, 2012, 2:51pm UTC](https://www.ruby-forum.com/t/i-am-getting-wrong-response-from-nginx/218963 "2012-04-17T14:51:10Z")

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Hi I am wondering how does nginx returns wrong content, atleast it seems so. I am terminating https addresses to nginx thru my firewall, what does nat public ips to nginx to ports 901 and 902 in this case, where ngi…

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## [\[ruby-trunk - Feature #5523\]\[Open\] Numeric#sign の追加](https://www.ruby-forum.com/t/ruby-trunk-feature-5523-open-numeric-sign/213363)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 4\
**Last updated:** [March 28, 2012, 12:57am UTC](https://www.ruby-forum.com/t/ruby-trunk-feature-5523-open-numeric-sign/213363 "2012-03-28T00:57:18Z")

</div>

Issue #5523 has been reported by tadayoshi funaba. Feature #5523: Numeric#sign の追加 Author: tadayoshi funaba Status: Open Priority: Normal Assignee: Category: core Target version: 2.0 負の零なども含め正しく符号を判断するために必要です。実…

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## [Any simple solution for automatic test running?](https://www.ruby-forum.com/t/any-simple-solution-for-automatic-test-running/210500)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 4\
**Last updated:** [August 10, 2011, 12:10pm UTC](https://www.ruby-forum.com/t/any-simple-solution-for-automatic-test-running/210500 "2011-08-10T12:10:02Z")

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Hello, I was looking for some simple program that would run my tests every time I update my code. I found two that don’t work. The first is zentest which inflicts particular structure on your project which my 2-file…

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## [Postgresql vs mysql request with Rails 3](https://www.ruby-forum.com/t/postgresql-vs-mysql-request-with-rails-3/208653)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 4\
**Last updated:** [June 23, 2011, 5:40pm UTC](https://www.ruby-forum.com/t/postgresql-vs-mysql-request-with-rails-3/208653 "2011-06-23T17:40:32Z")

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Hello. I’ve encountered a common problem that appears when switching from MySQL to PostgreSQL, related to the following error: “column X must appear in the GROUP BY clause or be used in an aggregate function” I’ve …

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## [Increment/decrement](https://www.ruby-forum.com/t/increment-decrement/179813)

<div class="topic-metadata">

**Author:** [@diabolator2](https://www.ruby-forum.com/u/diabolator2)\
**Replies:** 4\
**Last updated:** [December 4, 2009, 2:26pm UTC](https://www.ruby-forum.com/t/increment-decrement/179813 "2009-12-04T14:26:16Z")

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what is Ruby’s style of increment/decrement? I mean like in C++ someVar++ or someVar–

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## [Getting a valid URL from a command line](https://www.ruby-forum.com/t/getting-a-valid-url-from-a-command-line/176256)

<div class="topic-metadata">

**Author:** [@Hunt\_J](https://www.ruby-forum.com/u/Hunt_J)\
**Replies:** 4\
**Last updated:** [September 28, 2009, 3:40pm UTC](https://www.ruby-forum.com/t/getting-a-valid-url-from-a-command-line/176256 "2009-09-28T15:40:41Z")

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Hi - I’m working on the script below, which attempts at getting a user input and validate that the input is formed like a URL. And if the user fails to input, it should ask again. require ‘uri’ puts “Type a URL” beg…

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## [Is there any way to obtain the binary output from audio source](https://www.ruby-forum.com/t/is-there-any-way-to-obtain-the-binary-output-from-audio-source/173653)

<div class="topic-metadata">

**Author:** [@Milo\_W](https://www.ruby-forum.com/u/Milo_W)\
**Replies:** 4\
**Last updated:** [August 12, 2009, 9:09pm UTC](https://www.ruby-forum.com/t/is-there-any-way-to-obtain-the-binary-output-from-audio-source/173653 "2009-08-12T21:09:47Z")

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Hi all, I was wondering if there is anyway to obtain the binary output from audio source in GRC. I need this bits information as modulating signal for ASK. Since sound card digitized our analog voice signal to binar…

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## [Errorr in sessions/new.html.erb](https://www.ruby-forum.com/t/errorr-in-sessions-new-html-erb/172876)

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**Author:** [@rajendra](https://www.ruby-forum.com/u/rajendra)\
**Replies:** 4\
**Last updated:** [July 29, 2009, 12:53pm UTC](https://www.ruby-forum.com/t/errorr-in-sessions-new-html-erb/172876 "2009-07-29T12:53:58Z")

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hi i write the follwing code in sessions/new.html.erb file, when i go to run the application it gives the error Log In \<% form\_tag session\_path do -%\> \<%= label\_tag 'login' %\> \<%= text\_field\_tag 'login', @login %\> \<%…

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## [Existe este plugin?](https://www.ruby-forum.com/t/existe-este-plugin/163746)

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**Author:** [@chimorito](https://www.ruby-forum.com/u/chimorito)\
**Replies:** 4\
**Last updated:** [March 24, 2009, 4:19pm UTC](https://www.ruby-forum.com/t/existe-este-plugin/163746 "2009-03-24T16:19:44Z")

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Hola, esta maÃ±ana he estado trasteano con el plugin vote\_fu, esta muy bien para aÃ±adir votos positivos y negativos, pero no es realmente lo que nos hace falta. Estamos buscando un plugin que permita puntar videos (l…

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## [Chat en rails (juggernaut o xmpp ?)](https://www.ruby-forum.com/t/chat-en-rails-juggernaut-o-xmpp/162885)

<div class="topic-metadata">

**Author:** [@miguel](https://www.ruby-forum.com/u/miguel)\
**Replies:** 4\
**Last updated:** [March 15, 2009, 9:39pm UTC](https://www.ruby-forum.com/t/chat-en-rails-juggernaut-o-xmpp/162885 "2009-03-15T21:39:15Z")

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Hola gente como estan? quiero implementar un sistema de IM en mi aplicacion para que mis usuarios puedan “chatear” y estoy viendo cual es la mejor alternativa. he implementado juggernaut y se ve bastante bien, tambi…

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## [Novellino chiede chiarimento](https://www.ruby-forum.com/t/novellino-chiede-chiarimento/120578)

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**Author:** [@fixxxer](https://www.ruby-forum.com/u/fixxxer)\
**Replies:** 4\
**Last updated:** [November 19, 2007, 3:30pm UTC](https://www.ruby-forum.com/t/novellino-chiede-chiarimento/120578 "2007-11-19T15:30:05Z")

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Salve a tutti, sono nuovo su questo forum e sono nuovo per quanto rigaurda la progrmmazione in Ruby, mi sono avvicinato a questo linguaggio quasi per caso assistendo ad una conferenza su Capistrano(un’applicazione re…

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## [Prevent form\_for password\_field from auto filling](https://www.ruby-forum.com/t/prevent-form-for-password-field-from-auto-filling/110955)

<div class="topic-metadata">

**Author:** [@mindtonic](https://www.ruby-forum.com/u/mindtonic)\
**Replies:** 4\
**Last updated:** [August 2, 2007, 3:31am UTC](https://www.ruby-forum.com/t/prevent-form-for-password-field-from-auto-filling/110955 "2007-08-02T03:31:47Z")

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How do you tell a form not to automatically include the database information? I do not want the password to appear. \<% form\_for :user, :url =\> user\_url(@user), :html =\> { :method =\> :put } do |f| -%\> Username: \<%=…

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## [Howto determine dev mode?](https://www.ruby-forum.com/t/howto-determine-dev-mode/109381)

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**Author:** [@bodikp](https://www.ruby-forum.com/u/bodikp)\
**Replies:** 4\
**Last updated:** [July 16, 2007, 10:39pm UTC](https://www.ruby-forum.com/t/howto-determine-dev-mode/109381 "2007-07-16T22:39:13Z")

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One of the cool things of radiant is that dev.yourdomain.com shows radiant in development modes… so you can see the draft pages… BUT I would like to turn of some of the live scripts… like google analytics javascript…

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## [Wrong total\_hits when using conditions in find\_by\_contents](https://www.ruby-forum.com/t/wrong-total-hits-when-using-conditions-in-find-by-contents/103146)

<div class="topic-metadata">

**Author:** [@grandtang](https://www.ruby-forum.com/u/grandtang)\
**Replies:** 4\
**Last updated:** [May 21, 2007, 4:21pm UTC](https://www.ruby-forum.com/t/wrong-total-hits-when-using-conditions-in-find-by-contents/103146 "2007-05-21T16:21:28Z")

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In my model Topic: acts\_as\_ferret({ :fields =\> {:username =\> {:store =\> :yes, :boost =\> 30}, :subject =\> {:store =\> :yes, :boost =\> 20}, :body =\> {:store =\> :yes, :boost =\> 10}}, :remote =\> true }, { :analyzer =\> Fer…

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## [How Do I Fix Collection\_select?](https://www.ruby-forum.com/t/how-do-i-fix-collection-select/85345)

<div class="topic-metadata">

**Author:** [@mfeadler](https://www.ruby-forum.com/u/mfeadler)\
**Replies:** 4\
**Last updated:** [February 13, 2007, 12:49am UTC](https://www.ruby-forum.com/t/how-do-i-fix-collection-select/85345 "2007-02-13T00:49:31Z")

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The bug described here(http://dev.rubyonrails.org/ticket/1125) is biting me hard at the moment, contrary to that ticket’s assertion that the bug has been squashed. For those without time to read the ticket, collection…

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## [Action Mailer and Hotmail](https://www.ruby-forum.com/t/action-mailer-and-hotmail/81062)

<div class="topic-metadata">

**Author:** [@cbeffa](https://www.ruby-forum.com/u/cbeffa)\
**Replies:** 4\
**Last updated:** [January 29, 2007, 11:17pm UTC](https://www.ruby-forum.com/t/action-mailer-and-hotmail/81062 "2007-01-29T23:17:00Z")

</div>

I’ve got a funny microsoft hotmail problem: I send mails from action mailer with the environment.rb config: ActionMailer::Base.default\_charset =‘utf-8’ The application runs on a linux server (same problem on Mac OS X)…

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## [New Asset Management Extension](https://www.ruby-forum.com/t/new-asset-management-extension/80609)

<div class="topic-metadata">

**Author:** [@dasch](https://www.ruby-forum.com/u/dasch)\
**Replies:** 4\
**Last updated:** [January 2, 2007, 7:11am UTC](https://www.ruby-forum.com/t/new-asset-management-extension/80609 "2007-01-02T07:11:01Z")

</div>

I’ve been toiling away at another Asset Management extension - originally I started just playing round with Keith’s extension, but I’m pretty much dumped all that code now. http://soxbox.no-ip.org/radiant/svn/extensio…

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## [Dbm library](https://www.ruby-forum.com/t/dbm-library/74748)

<div class="topic-metadata">

**Author:** [@PWR](https://www.ruby-forum.com/u/PWR)\
**Replies:** 4\
**Last updated:** [November 7, 2006, 10:58am UTC](https://www.ruby-forum.com/t/dbm-library/74748 "2006-11-07T10:58:20Z")

</div>

I am using Ruby 1.8.2 on Windows and am wanting to use the dbm library but cannot seem to find it anywhere. Can anyone please tell me where I can find this package?

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## [Navigation external URL issue](https://www.ruby-forum.com/t/navigation-external-url-issue/65593)

<div class="topic-metadata">

**Author:** [@Maurizio\_B](https://www.ruby-forum.com/u/Maurizio_B)\
**Replies:** 4\
**Last updated:** [August 19, 2006, 6:21pm UTC](https://www.ruby-forum.com/t/navigation-external-url-issue/65593 "2006-08-19T18:21:11Z")

</div>

Hello. How could I manage to have an url in the navigation tag which is like: “http://www.example.com:8024/” (see below)? As far as I can tell, with the current syntax rendering this is not working OK. Thanks. \<r:nav…

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## [Talking to other applications on windows](https://www.ruby-forum.com/t/talking-to-other-applications-on-windows/52968)

<div class="topic-metadata">

**Author:** [@hotjuneshen](https://www.ruby-forum.com/u/hotjuneshen)\
**Replies:** 4\
**Last updated:** [January 22, 2006, 10:03pm UTC](https://www.ruby-forum.com/t/talking-to-other-applications-on-windows/52968 "2006-01-22T22:03:04Z")

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Dear list For a customer I’m building a GUI for a analytical application. The analytical algorithm is confidential and implemented in a seperate .exe program. However I am very pleased to have the customer agreeing t…

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## [Many to many questions](https://www.ruby-forum.com/t/many-to-many-questions/56523)

<div class="topic-metadata">

**Author:** [@papipo](https://www.ruby-forum.com/u/papipo)\
**Replies:** 4\
**Last updated:** [December 7, 2005, 3:32am UTC](https://www.ruby-forum.com/t/many-to-many-questions/56523 "2005-12-07T03:32:15Z")

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Hello Railers! I have 3 models: Hotel, Room and Booking Hotel has\_many :rooms, and has\_many :bookings Room belongs\_to :hotel, and habtm :bookings Booking belongs\_to :hotel, and habtm :rooms i wish to add a condition…

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## [Login modal using default rails ajax request not working with subdomains](https://www.ruby-forum.com/t/login-modal-using-default-rails-ajax-request-not-working-with-subdomains/243410)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 1\
**Last updated:** [October 21, 2015, 7:42am UTC](https://www.ruby-forum.com/t/login-modal-using-default-rails-ajax-request-not-working-with-subdomains/243410 "2015-10-21T07:42:10Z")

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I am having a devise user model. To login I am using twitter-bootstrap modal.The modal is by default hidden and shown only after an rails default ajax request is send to the server. It works fine with localhost and p…

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## [Escape slashes in log output for JSON format](https://www.ruby-forum.com/t/escape-slashes-in-log-output-for-json-format/233209)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [November 26, 2014, 11:51am UTC](https://www.ruby-forum.com/t/escape-slashes-in-log-output-for-json-format/233209 "2014-11-26T11:51:31Z")

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I would like to add “json” option for additional escape for backslash character. So it will be: access\_log path format json; The initial patch for 1.6.2 looks like: — ./src/http/modules/ngx\_http\_log\_module.c.orig ++…

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## [Creating a child window?](https://www.ruby-forum.com/t/creating-a-child-window/206270)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 1\
**Last updated:** [April 28, 2011, 1:21pm UTC](https://www.ruby-forum.com/t/creating-a-child-window/206270 "2011-04-28T13:21:25Z")

</div>

How do I create a child window, one that I can use as a separate control window for the parent window. I want to implement controls on desktop one and the parent window on desktop two. This would be for multiple deskt…

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## ['system' and printing in Windows](https://www.ruby-forum.com/t/system-and-printing-in-windows/70719)

<div class="topic-metadata">

**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 1\
**Last updated:** [October 2, 2006, 1:02pm UTC](https://www.ruby-forum.com/t/system-and-printing-in-windows/70719 "2006-10-02T13:02:38Z")

</div>

Dear all, I’d like to give the user the possibility to print some Ruby-generated results of my programs (this can be PDF, PS, EPS, PNG files, a .doc document, …) from a GUI program developed in Ruby. So far, I ha…

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## [Tab button app](https://www.ruby-forum.com/t/tab-button-app/244746)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 3\
**Last updated:** [June 7, 2016, 9:19am UTC](https://www.ruby-forum.com/t/tab-button-app/244746 "2016-06-07T09:19:42Z")

</div>

Hello , here I am making an e-commerce app. While testing I found my tab button doesn’t works for safari and chrome while it works for firefox. It will be great if someone can help me in figuring this problem. Regard…

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## [Re: Some misconceptions about the "peak\_detector2" block](https://www.ruby-forum.com/t/re-some-misconceptions-about-the-peak-detector2-block/241637)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 3\
**Last updated:** [April 22, 2015, 6:06pm UTC](https://www.ruby-forum.com/t/re-some-misconceptions-about-the-peak-detector2-block/241637 "2015-04-22T18:06:28Z")

</div>

Ive also been looking for an appropriate fix for peak\_detector2. When I review this thread and the issue tracker, Im uncertain how the block is supposed to behave. I think most of the developers have looked at the d…

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## [\[ruby-trunk - Feature #7790\]\[Open\] documentation about exception in Comparable#==](https://www.ruby-forum.com/t/ruby-trunk-feature-7790-open-documentation-about-exception-in-comparable/229694)

<div class="topic-metadata">

**Author:** [@metanest\_SMakoto\_K](https://www.ruby-forum.com/u/metanest_SMakoto_K)\
**Replies:** 3\
**Last updated:** [February 7, 2013, 11:58pm UTC](https://www.ruby-forum.com/t/ruby-trunk-feature-7790-open-documentation-about-exception-in-comparable/229694 "2013-02-07T23:58:42Z")

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Issue #7790 has been reported by metanest (Makoto K.). Feature #7790: documentation about exception in Comparable#== Author: metanest (Makoto K.) Status: Open Priority: Normal Assignee: Category: DOC Target vers…

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## [Devise generates Mailer by its own?](https://www.ruby-forum.com/t/devise-generates-mailer-by-its-own/217214)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 3\
**Last updated:** [February 28, 2012, 12:34pm UTC](https://www.ruby-forum.com/t/devise-generates-mailer-by-its-own/217214 "2012-02-28T12:34:01Z")

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Rails 3.1.3 Hi. I’m a little confused with Devise and ActionMailer. It seems that Devise has its own way of sending mails through ActionMailer. Does it generate Mailer class when “rails g devise…” command is execute…

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## [String attributes not showing up in view](https://www.ruby-forum.com/t/string-attributes-not-showing-up-in-view/189806)

<div class="topic-metadata">

**Author:** [@ali](https://www.ruby-forum.com/u/ali)\
**Replies:** 8\
**Last updated:** [June 8, 2010, 3:27pm UTC](https://www.ruby-forum.com/t/string-attributes-not-showing-up-in-view/189806 "2010-06-08T15:27:26Z")

</div>

Hi, I have a user model with attributes first\_name, last\_name and email. In the view I’m looping though all the users and for each user printing out the email add the full\_name (full\_name is a function in the user mo…

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## [Auto\_complete (minicipio residencia, municipio de nacimiento](https://www.ruby-forum.com/t/auto-complete-minicipio-residencia-municipio-de-nacimiento/181823)

<div class="topic-metadata">

**Author:** [@william](https://www.ruby-forum.com/u/william)\
**Replies:** 3\
**Last updated:** [February 20, 2010, 3:43pm UTC](https://www.ruby-forum.com/t/auto-complete-minicipio-residencia-municipio-de-nacimiento/181823 "2010-02-20T15:43:26Z")

</div>

Buenas tardes. El plugin del auto\_complete muy bueno y facil de poner a funcionar, pero cuando debo trabajar con este plugin con dos campos text\_field que apuntan a la misma tabla (municipios) municipio\_id\_nacimiento …

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## [Jruby on rails deployment problem tomcat/ibm db2](https://www.ruby-forum.com/t/jruby-on-rails-deployment-problem-tomcat-ibm-db2/156629)

<div class="topic-metadata">

**Author:** [@FineganS\_Richard\_SH](https://www.ruby-forum.com/u/FineganS_Richard_SH)\
**Replies:** 3\
**Last updated:** [December 31, 2008, 10:20pm UTC](https://www.ruby-forum.com/t/jruby-on-rails-deployment-problem-tomcat-ibm-db2/156629 "2008-12-31T22:20:03Z")

</div>

hello, this is sort of a plea for help and/or to see if anyone else is having the same problem…i am trying to deploy a jruby on rails app, i have a working configuration (my staging/development environment) using: jru…

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## [Generating 'alt' text for images](https://www.ruby-forum.com/t/generating-alt-text-for-images/140677)

<div class="topic-metadata">

**Author:** [@sjmadsen](https://www.ruby-forum.com/u/sjmadsen)\
**Replies:** 3\
**Last updated:** [June 19, 2008, 11:41am UTC](https://www.ruby-forum.com/t/generating-alt-text-for-images/140677 "2008-06-19T11:41:02Z")

</div>

I have a link on my page that lets me delete items from my database - I currently use CSS to insert a background image of a cross (an X). I want to display ‘alt’ text explaining that the button deletes items from the …

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## [Ruby-ftp - directory vs file?](https://www.ruby-forum.com/t/ruby-ftp-directory-vs-file/139526)

<div class="topic-metadata">

**Author:** [@quik77](https://www.ruby-forum.com/u/quik77)\
**Replies:** 3\
**Last updated:** [June 4, 2008, 10:57pm UTC](https://www.ruby-forum.com/t/ruby-ftp-directory-vs-file/139526 "2008-06-04T22:57:14Z")

</div>

How do I find out whether “foobar” is a remote directory, or a remote file? I don’t seem to find any trivial way to check this. Has this maybe been forgotten?

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## [Ruby On Rails For Dummies](https://www.ruby-forum.com/t/ruby-on-rails-for-dummies/138591)

<div class="topic-metadata">

**Author:** [@Young\_Ben](https://www.ruby-forum.com/u/Young_Ben)\
**Replies:** 8\
**Last updated:** [May 26, 2008, 10:13am UTC](https://www.ruby-forum.com/t/ruby-on-rails-for-dummies/138591 "2008-05-26T10:13:01Z")

</div>

As I’m a dummy, I got this book out of the library as a first step to learning ROR. After I followed the instructions for installing the interpreter, then rails, then java I went to install the authors’ custom version…

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## [Streaming dynamic downloads?](https://www.ruby-forum.com/t/streaming-dynamic-downloads/137908)

<div class="topic-metadata">

**Author:** [@jemminger](https://www.ruby-forum.com/u/jemminger)\
**Replies:** 8\
**Last updated:** [May 19, 2008, 5:17pm UTC](https://www.ruby-forum.com/t/streaming-dynamic-downloads/137908 "2008-05-19T17:17:02Z")

</div>

I have a php app running through fastcgi, and there’s a page where I stream out a file for the user to download: $output = dynamically\_generated\_content(); header(“Content-type: application/octet-stream”); header(“Co…

---

## [Failed assertion in gr\_buffer.h](https://www.ruby-forum.com/t/failed-assertion-in-gr-buffer-h/120660)

<div class="topic-metadata">

**Author:** [@Ed\_Criscuolo](https://www.ruby-forum.com/u/Ed_Criscuolo)\
**Replies:** 8\
**Last updated:** [November 20, 2007, 11:14pm UTC](https://www.ruby-forum.com/t/failed-assertion-in-gr-buffer-h/120660 "2007-11-20T23:14:45Z")

</div>

I’m having difficulty with a block I’m writing that I’ve been unable to resolve, and I hope somebody out there can help. The block’s input and output run at different rates, so I inherited from gr\_block, as in the how…

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## [Beginner learning Object in Ruby](https://www.ruby-forum.com/t/beginner-learning-object-in-ruby/89084)

<div class="topic-metadata">

**Author:** [@ct2005](https://www.ruby-forum.com/u/ct2005)\
**Replies:** 8\
**Last updated:** [March 19, 2007, 3:32pm UTC](https://www.ruby-forum.com/t/beginner-learning-object-in-ruby/89084 "2007-03-19T15:32:24Z")

</div>

I am new to object-oriented programming and Ruby. Although I learn some simple programming before e.g. cobol, pascal, but I know very little in the area of programming, especially OO concept. A few years back, I tried…

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## [Java script validations](https://www.ruby-forum.com/t/java-script-validations/78391)

<div class="topic-metadata">

**Author:** [@vasan\_cec](https://www.ruby-forum.com/u/vasan_cec)\
**Replies:** 8\
**Last updated:** [December 6, 2006, 10:56am UTC](https://www.ruby-forum.com/t/java-script-validations/78391 "2006-12-06T10:56:55Z")

</div>

Hi Everyone, Can anyone tell, how to validate for empty fields (or) certain patterns using java script (client side validations) in Ruby on Rails?? I need to check whether the user has entered a “login id” and “passw…

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## [Nuby question - printing substring as non-ASCII](https://www.ruby-forum.com/t/nuby-question-printing-substring-as-non-ascii/76314)

<div class="topic-metadata">

**Author:** [@tlockney](https://www.ruby-forum.com/u/tlockney)\
**Replies:** 8\
**Last updated:** [November 17, 2006, 5:16pm UTC](https://www.ruby-forum.com/t/nuby-question-printing-substring-as-non-ascii/76314 "2006-11-17T17:16:38Z")

</div>

I’m reading in a string of numbers, as follows: " 1 45.3456 " How do I write out the first non-whitespace element as a number? Ruby wants to express as it in ASCII, and the .to\_i method doesn’t seem to work o…

---

## [Win32OLE Question](https://www.ruby-forum.com/t/win32ole-question/97633)

<div class="topic-metadata">

**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Replies:** 8\
**Last updated:** [July 15, 2006, 5:47am UTC](https://www.ruby-forum.com/t/win32ole-question/97633 "2006-07-15T05:47:22Z")

</div>

All right, so I decided to write this bubblegum script while practicing my Ruby scripting for windows automation. The test subject is PhoneTrick.com Background: When you enter the information, the site usually give …

---

## [Markaby Installation Issues](https://www.ruby-forum.com/t/markaby-installation-issues/63481)

<div class="topic-metadata">

**Author:** [@stickstone](https://www.ruby-forum.com/u/stickstone)\
**Replies:** 8\
**Last updated:** [June 15, 2006, 8:26pm UTC](https://www.ruby-forum.com/t/markaby-installation-issues/63481 "2006-06-15T20:26:37Z")

</div>

Ok, So I followed the directions… I did a ‘gem install markaby’ (which sounds like its enough to get me going for rails), but I wasn’t sure, so I tried to install the plugin as well. Plugin installation fails looki…

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## [\[OT\] I user CocoaMySQL... anyone have any other preferences](https://www.ruby-forum.com/t/ot-i-user-cocoamysql-anyone-have-any-other-preferences/68889)

<div class="topic-metadata">

**Author:** [@johnk](https://www.ruby-forum.com/u/johnk)\
**Replies:** 8\
**Last updated:** [February 16, 2006, 2:24pm UTC](https://www.ruby-forum.com/t/ot-i-user-cocoamysql-anyone-have-any-other-preferences/68889 "2006-02-16T14:24:21Z")

</div>

Looking for a quality alternative… if there is one :-). John K. http://www.kopanas.com ===================================================================== http://www.soen.info - source of the freshest software engi…

---

## [Rubyforge project pickup?](https://www.ruby-forum.com/t/rubyforge-project-pickup/50991)

<div class="topic-metadata">

**Author:** [@gregarican](https://www.ruby-forum.com/u/gregarican)\
**Replies:** 3\
**Last updated:** [December 23, 2005, 6:41pm UTC](https://www.ruby-forum.com/t/rubyforge-project-pickup/50991 "2005-12-23T18:41:28Z")

</div>

Lately I’ve been busy trying to immerse myself in a Smalltalk development project and have fallen behind completing a Rubyforge project I started a couple of months ago. This project is for a Ruby telephony library an…

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## [Ruby one-liner needed](https://www.ruby-forum.com/t/ruby-one-liner-needed/56349)

<div class="topic-metadata">

**Author:** [@kevin.jackson](https://www.ruby-forum.com/u/kevin.jackson)\
**Replies:** 8\
**Last updated:** [December 2, 2005, 5:12pm UTC](https://www.ruby-forum.com/t/ruby-one-liner-needed/56349 "2005-12-02T17:12:48Z")

</div>

Here’s one taht I know is possible (I’m sure I’ve seen it somewhere before) I have 2 arrays and I’d like to change them into a Hash stuff = \[“1”, “2”, “3”\] Item.column\_names.each { |column\_name| new\_item\[column\_name\]…

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## [Can we ask for permission before download?](https://www.ruby-forum.com/t/can-we-ask-for-permission-before-download/244263)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 2\
**Last updated:** [March 12, 2016, 10:11am UTC](https://www.ruby-forum.com/t/can-we-ask-for-permission-before-download/244263 "2016-03-12T10:11:07Z")

</div>

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