# Top **URL:** https://www.ruby-forum.com/top.md?page=1978 [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:** 1979 --- ## [ActionMailer not delivering mail from one particular server](https://www.ruby-forum.com/t/actionmailer-not-delivering-mail-from-one-particular-server/241404)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [April 4, 2015, 8:56am UTC](https://www.ruby-forum.com/t/actionmailer-not-delivering-mail-from-one-particular-server/241404 "2015-04-04T08:56:09Z")
We have a client who insisted on having their Rails app set up with Oracle DB on a Red Hat Enterprise Linux server behind their VPN. This is not a setup we are very familiar with as we generally run DigitalOcean drop… --- ## [JRuby 1.7.16.2 Released](https://www.ruby-forum.com/t/jruby-1-7-16-2-released/233372)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [December 8, 2014, 7:57pm UTC](https://www.ruby-forum.com/t/jruby-1-7-16-2-released/233372 "2014-12-08T19:57:18Z")
The JRuby community is pleased to announce the release of JRuby 1.7.16.2 Homepage: http://www.jruby.org/ Download: Downloads — JRuby.org JRuby 1.7.16.2 is our eighteenth update release since JRuby 1.7.0. The primar… --- ## [\[Open\] Ripper.sexp("foo\\n .bar") extract a wrong method name " .bar"](https://www.ruby-forum.com/t/open-ripper-sexp-foo-n-bar-extract-a-wrong-method-name-bar/234839)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 22, 2014, 5:29am UTC](https://www.ruby-forum.com/t/open-ripper-sexp-foo-n-bar-extract-a-wrong-method-name-bar/234839 "2014-10-22T05:29:42Z")
Issue #10411 has been reported by Akira T… Bug #10411: Ripper.sexp(“foo\\n .bar”) extract a wrong method name " .bar" Author: Akira T. Status: Open Priority: Normal Assignee: Category: Target version… --- ## [Looking for Moneta gem rack or another server code example](https://www.ruby-forum.com/t/looking-for-moneta-gem-rack-or-another-server-code-example/232146)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 20, 2014, 7:24pm UTC](https://www.ruby-forum.com/t/looking-for-moneta-gem-rack-or-another-server-code-example/232146 "2014-09-20T19:24:13Z")
I am using moneta gem for quite some time as a key\\value interface for couple storage engines. Now I started thinking about using it as a server for couple backends. I have started my way at: which can be also seen … --- ## [Error installing Rails](https://www.ruby-forum.com/t/error-installing-rails/229607)
**Author:** [@dangermoose](https://www.ruby-forum.com/u/dangermoose)\ **Replies:** 3\ **Last updated:** [February 5, 2013, 12:11pm UTC](https://www.ruby-forum.com/t/error-installing-rails/229607 "2013-02-05T12:11:55Z")
Hi guys I’m a Rails virgin. I’m pulling my hair out with the install. So far, I’ve checked that I’ve got Ruby & Gems, see below; Pauls-iMac:~ pauldoran$ ruby --version ruby 1.8.7 (2012-02-08 patchlevel 358) \[universa… --- ## [Newbie Q: How to find the user that the question belongs\_to](https://www.ruby-forum.com/t/newbie-q-how-to-find-the-user-that-the-question-belongs-to/222526)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [September 1, 2012, 6:02am UTC](https://www.ruby-forum.com/t/newbie-q-how-to-find-the-user-that-the-question-belongs-to/222526 "2012-09-01T06:02:21Z")
I have a User and a Question model, User has\_many questions and Question belongs\_to user. On my question show page, I show a question, along with the name of the user who’s asking the question. Everything seems to be… --- ## [What is happening here, Batman?](https://www.ruby-forum.com/t/what-is-happening-here-batman/222458)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [August 29, 2012, 4:51pm UTC](https://www.ruby-forum.com/t/what-is-happening-here-batman/222458 "2012-08-29T16:51:07Z")
Hello! Been working thru Chris P.'s book for noobies to ruby, and got to the roman-numeral question. This one is new to me, given the material thus far. def old\_roman\_numeral num roman = ‘’ roman = roman + ‘D’ \* (n… --- ## [Header missing when compiling dial\_tone.cc](https://www.ruby-forum.com/t/header-missing-when-compiling-dial-tone-cc/220940)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [June 26, 2012, 12:47am UTC](https://www.ruby-forum.com/t/header-missing-when-compiling-dial-tone-cc/220940 "2012-06-26T00:47:27Z")
Hello, After a bit of a struggle, I finally managed to compile the dial\_tone.cc example included with gnuradio. The issue I was having was that when running cmake and then make, make would return “fatal error: gr\_top… --- ## [RCR: output on non-main thread that die from an unrescued exception](https://www.ruby-forum.com/t/rcr-output-on-non-main-thread-that-die-from-an-unrescued-exception/213255)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [November 2, 2011, 8:43pm UTC](https://www.ruby-forum.com/t/rcr-output-on-non-main-thread-that-die-from-an-unrescued-exception/213255 "2011-11-02T20:43:11Z")
Hello all. I noticed that the default behavior for ruby is, if a child (non-main) thread dies from an “unrescued” exception, nothing is output, it is basically let die silently. Feature request/RCR: if a child thread… --- ## [Value for VALUE in C for ruby gems](https://www.ruby-forum.com/t/value-for-value-in-c-for-ruby-gems/211352)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [September 2, 2011, 11:35am UTC](https://www.ruby-forum.com/t/value-for-value-in-c-for-ruby-gems/211352 "2011-09-02T11:35:09Z")
Hello, I was looking over some ruby gems and the documentation for creating these things. I was curious what the actual type of VALUE is? Regards, Carter. --- ## [Join Table Validation Question](https://www.ruby-forum.com/t/join-table-validation-question/210558)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [August 10, 2011, 10:24pm UTC](https://www.ruby-forum.com/t/join-table-validation-question/210558 "2011-08-10T22:24:55Z")
Hi All, Here’s my situation. People have Availability for Events. I need to ensure that each Person is Available for each Event exactly once. I’m thinking the way to do it would be with a before\_save method in Availa… --- ## [Getting null value when it's assigned](https://www.ruby-forum.com/t/getting-null-value-when-its-assigned/206817)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [May 11, 2011, 4:24pm UTC](https://www.ruby-forum.com/t/getting-null-value-when-its-assigned/206817 "2011-05-11T16:24:23Z")
I have my articles migration create\_table :articles do |t| t.integer :category\_id, :null =\> false etc… and my form Select a category \<%= f.select :category\_id, Category.all.collect {|category| \[category.name, cate… --- ## [Gnuradio.org gerbils](https://www.ruby-forum.com/t/gnuradio-org-gerbils/205255)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [April 4, 2011, 3:28am UTC](https://www.ruby-forum.com/t/gnuradio-org-gerbils/205255 "2011-04-04T03:28:38Z")
Could someone feed the gerbils? The website is down. Philip --- ## [HTTParty - Proper way to do Digest Authentication?](https://www.ruby-forum.com/t/httparty-proper-way-to-do-digest-authentication/203395)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [February 19, 2011, 1:04am UTC](https://www.ruby-forum.com/t/httparty-proper-way-to-do-digest-authentication/203395 "2011-02-19T01:04:06Z")
I’m wanting to use HTTParty to login to secure server using digest authentication. The remote server is responding with a 400 bad Request “Too few fields for Authenticate Request Header Argument”. Here’s my code: sht… --- ## [Question re: small piece of code](https://www.ruby-forum.com/t/question-re-small-piece-of-code/203336)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [February 18, 2011, 1:06am UTC](https://www.ruby-forum.com/t/question-re-small-piece-of-code/203336 "2011-02-18T01:06:20Z")
Hi, In the example book I’m using, I ran across the following lines of code: young\_people = people.find\_all do |p| p\[3\].to\_i.between?(20,40) end Now, “people” is defined by ‘p’ is not - what does that code do when i… --- ## [Url routing issue - Agile Rails Chapter 6](https://www.ruby-forum.com/t/url-routing-issue-agile-rails-chapter-6/192892)
**Author:** [@cjnkns](https://www.ruby-forum.com/u/cjnkns)\ **Replies:** 3\ **Last updated:** [August 7, 2010, 9:53pm UTC](https://www.ruby-forum.com/t/url-routing-issue-agile-rails-chapter-6/192892 "2010-08-07T21:53:13Z")
I am walking through the tutorial in Agile web development with rails book 3rd edition. When I try to access the url http://localhost:3000/products I get this error No route matches “/products” with {:method=\>:get} W… --- ## [Protected ApplicationController methods not called in Tests?](https://www.ruby-forum.com/t/protected-applicationcontroller-methods-not-called-in-tests/192883)
**Author:** [@cojones](https://www.ruby-forum.com/u/cojones)\ **Replies:** 3\ **Last updated:** [August 7, 2010, 6:00pm UTC](https://www.ruby-forum.com/t/protected-applicationcontroller-methods-not-called-in-tests/192883 "2010-08-07T18:00:09Z")
Hey, I’m currently writing some tests and getting a strange error. My ApplicationController has following protected method: before\_filter :load\_user\_vars def load\_user\_vars @current\_user = current\_user \[other protec… --- ## [Refactoring views ? Should public class methods be used in views?](https://www.ruby-forum.com/t/refactoring-views-should-public-class-methods-be-used-in-views/192137)
**Author:** [@marmolin](https://www.ruby-forum.com/u/marmolin)\ **Replies:** 3\ **Last updated:** [July 25, 2010, 9:50pm UTC](https://www.ruby-forum.com/t/refactoring-views-should-public-class-methods-be-used-in-views/192137 "2010-07-25T21:50:41Z")
I am refactoring my views and have learned that to separate view controller and models and that the view is feed from the controller that defines the instance variables related to a the models that is to be used in vi… --- ## [Kwalify 0.7.2 - parser, schema validator, and data binding for YAML and JSON](https://www.ruby-forum.com/t/kwalify-0-7-2-parser-schema-validator-and-data-binding-for-yaml-and-json/191763)
**Author:** [@makoto\_kuwata](https://www.ruby-forum.com/u/makoto_kuwata)\ **Replies:** 0\ **Last updated:** [July 18, 2010, 2:55am UTC](https://www.ruby-forum.com/t/kwalify-0-7-2-parser-schema-validator-and-data-binding-for-yaml-and-json/191763 "2010-07-18T02:55:42Z")
Hi, I released Kwalify 0.7.2. This is a bug fix release. http://www.kuwata-lab.com/kwalify/ Overview Kwalify is an integrated tool for YAML and JSON. Kwalify contains parser, schema validator, and data binding tool. … --- ## [Problem with passenger deployment](https://www.ruby-forum.com/t/problem-with-passenger-deployment/190637)
**Author:** [@gandhi-tush](https://www.ruby-forum.com/u/gandhi-tush)\ **Replies:** 0\ **Last updated:** [June 24, 2010, 10:58am UTC](https://www.ruby-forum.com/t/problem-with-passenger-deployment/190637 "2010-06-24T10:58:33Z")
Hi, I am trying to deploy my rails application using passenger. I am following instructions of this URL By using those instruction it is showing me the default index.html page from publc directory but whenever I am … --- ## [Strange error in ruby 1.9.1](https://www.ruby-forum.com/t/strange-error-in-ruby-1-9-1/188744)
**Author:** [@brandentanga](https://www.ruby-forum.com/u/brandentanga)\ **Replies:** 3\ **Last updated:** [May 17, 2010, 6:58pm UTC](https://www.ruby-forum.com/t/strange-error-in-ruby-1-9-1/188744 "2010-05-17T18:58:16Z")
Hello all, I just compiled ruby 1.9.1 from source on my computer (osx snow leopard), and I’m going through the old ruby quiz exercises for fun. I’m on the secret santa one, and I wrote the code that determines that ea… --- ## [User defined if condition](https://www.ruby-forum.com/t/user-defined-if-condition/188691)
**Author:** [@site-master](https://www.ruby-forum.com/u/site-master)\ **Replies:** 3\ **Last updated:** [May 16, 2010, 6:23pm UTC](https://www.ruby-forum.com/t/user-defined-if-condition/188691 "2010-05-16T18:23:57Z")
hi iv just started to learn ruby 2 days ago and have no programing exp so sorry if this is a stupid question what i want to do is have some thing happen depending on the exact word or number the user imputs hears an e… --- ## [How to rewrite this on nginx?](https://www.ruby-forum.com/t/how-to-rewrite-this-on-nginx/186719)
**Author:** [@lhmwzy](https://www.ruby-forum.com/u/lhmwzy)\ **Replies:** 3\ **Last updated:** [April 16, 2010, 8:38am UTC](https://www.ruby-forum.com/t/how-to-rewrite-this-on-nginx/186719 "2010-04-16T08:38:44Z")
apache .htaccess Rewriteengine on Rewriteengine ^search.shtml$ /search.cgi%{QUERY\_STRING} Rewriteengine ^(\[^.\])/(\[^.\])/(\[^.\]\*\].html$ index.cgi?t=$1&c1=$1&p=$3 --- ## [Puts - not putting 'all' content on display console](https://www.ruby-forum.com/t/puts-not-putting-all-content-on-display-console/186228)
**Author:** [@daz](https://www.ruby-forum.com/u/daz)\ **Replies:** 3\ **Last updated:** [April 3, 2010, 7:00pm UTC](https://www.ruby-forum.com/t/puts-not-putting-all-content-on-display-console/186228 "2010-04-03T19:00:04Z")
I am using Ruby 1.86 to process a 7,000+ record file and using Regular Expressions to select and process content. To ensure that the Regexp are working correctly, I have been using “puts” to direct selected recor… --- ## [Es RoR apropiado para una aplicacion de argumentarios?](https://www.ruby-forum.com/t/es-ror-apropiado-para-una-aplicacion-de-argumentarios/186194)
**Author:** [@agorosti](https://www.ruby-forum.com/u/agorosti)\ **Replies:** 0\ **Last updated:** [April 1, 2010, 11:36pm UTC](https://www.ruby-forum.com/t/es-ror-apropiado-para-una-aplicacion-de-argumentarios/186194 "2010-04-01T23:36:42Z")
Tengo que crear una aplicacion que guie al usuario a través de un guia de argumentarios, para realizar un especie de entrevistas. El administrador definirá el número de preguntas de cada argumentario, y como estan … --- ## [Auto\_complete](https://www.ruby-forum.com/t/auto-complete/184638)
**Author:** [@mansonfreak79](https://www.ruby-forum.com/u/mansonfreak79)\ **Replies:** 0\ **Last updated:** [March 5, 2010, 4:53pm UTC](https://www.ruby-forum.com/t/auto-complete/184638 "2010-03-05T16:53:28Z")
Hallo! Ich habe folgendes Probleme … Ich verwende das Rails auto\_complete plugin und es funktioniert auch … Jedoch habe ich ein Problem … Angenommen ich habe die Wörter “Affe, Ameise, Hund, Katze, Maus” in der Daten… --- ## [LA Ruby Conf 2010 - All presentations / schedule is available now!](https://www.ruby-forum.com/t/la-ruby-conf-2010-all-presentations-schedule-is-available-now/182139)
**Author:** [@Coby\_Randquist](https://www.ruby-forum.com/u/Coby_Randquist)\ **Replies:** 3\ **Last updated:** [January 26, 2010, 8:38am UTC](https://www.ruby-forum.com/t/la-ruby-conf-2010-all-presentations-schedule-is-available-now/182139 "2010-01-26T08:38:36Z")
The presentations for LA Ruby Conference are published on the site now. Check it out now, get your tickets fast. http://budurl.com/larcs Thanks, -Coby --- ## [Xcvr2450 and MIMO](https://www.ruby-forum.com/t/xcvr2450-and-mimo/181819)
**Author:** [@Per\_Z](https://www.ruby-forum.com/u/Per_Z)\ **Replies:** 3\ **Last updated:** [January 20, 2010, 5:59am UTC](https://www.ruby-forum.com/t/xcvr2450-and-mimo/181819 "2010-01-20T05:59:57Z")
Dear All. I think I read on the list that xcvr2450 doesn’t support MIMO (frequency coherent transceivers to be more precise). However, when I search for xcvr2450 and MIMO in the archives I don’t find any post on this. … --- ## [mySQL connection error (for the love of sweet jebus)](https://www.ruby-forum.com/t/mysql-connection-error-for-the-love-of-sweet-jebus/179601)
**Author:** [@lyh](https://www.ruby-forum.com/u/lyh)\ **Replies:** 3\ **Last updated:** [November 30, 2009, 5:54pm UTC](https://www.ruby-forum.com/t/mysql-connection-error-for-the-love-of-sweet-jebus/179601 "2009-11-30T17:54:05Z")
This will come off as an incredibly noob question so please bear with me. I’ve “installed” (i.e. extracted and copied) Instant Rails 1.7 on my Windows XP machine for the purposes of running through O’Reilly’s RoR tut… --- ## [Open a binary file-read bit-change bit-update same file](https://www.ruby-forum.com/t/open-a-binary-file-read-bit-change-bit-update-same-file/179187)
**Author:** [@mokkai](https://www.ruby-forum.com/u/mokkai)\ **Replies:** 3\ **Last updated:** [November 19, 2009, 1:54pm UTC](https://www.ruby-forum.com/t/open-a-binary-file-read-bit-change-bit-update-same-file/179187 "2009-11-19T13:54:15Z")
my Aim is i want to encrypt a file i want to open a binary file i want to read the 1-st bit if the bit is “1” then update that position bit to “0” instantly if the bit is “0” then update that position bit to “1” inst… --- ## [Problems with scriptaculous](https://www.ruby-forum.com/t/problems-with-scriptaculous/167344)
**Author:** [@spacechurro](https://www.ruby-forum.com/u/spacechurro)\ **Replies:** 3\ **Last updated:** [May 7, 2009, 4:23pm UTC](https://www.ruby-forum.com/t/problems-with-scriptaculous/167344 "2009-05-07T16:23:35Z")
for some reason, i am having the hardest time with the simplest possible use of a visual effect… i have done this a million times, and this is first time i have had this much trouble. here’s what i am trying to do: … --- ## [New TurnKey appliance for Ruby on Rails 2.3.2](https://www.ruby-forum.com/t/new-turnkey-appliance-for-ruby-on-rails-2-3-2/164044)
**Author:** [@Liraz](https://www.ruby-forum.com/u/Liraz)\ **Replies:** 0\ **Last updated:** [March 27, 2009, 7:36am UTC](https://www.ruby-forum.com/t/new-turnkey-appliance-for-ruby-on-rails-2-3-2/164044 "2009-03-27T07:36:51Z")
TurnKey Linux has released a new Ruby on Rails Appliance. The new appliance features an upgrade to Rails 2.3.2, upgraded Gems components, an important bug fix and significant security enhancements (regeneration of dat… --- ## [USB Bulk Read Fails](https://www.ruby-forum.com/t/usb-bulk-read-fails/162555)
**Author:** [@ujala](https://www.ruby-forum.com/u/ujala)\ **Replies:** 0\ **Last updated:** [March 11, 2009, 10:03am UTC](https://www.ruby-forum.com/t/usb-bulk-read-fails/162555 "2009-03-11T10:03:50Z")
Hi, I am trying to take samples from USRP in a C program. What I have done in order to perform this task is that I have manually taken out all the functions from all the USRP cc and header files which will be used. I … --- ## [Radiant-Toaster-Gallery style sheets](https://www.ruby-forum.com/t/radiant-toaster-gallery-style-sheets/161186)
**Author:** [@mtnbiker](https://www.ruby-forum.com/u/mtnbiker)\ **Replies:** 0\ **Last updated:** [February 24, 2009, 7:43am UTC](https://www.ruby-forum.com/t/radiant-toaster-gallery-style-sheets/161186 "2009-02-24T07:43:09Z")
I’ve installed Radiant with Toaster and have added Gallery At least with Toaster, Gallery doesn’t inherit page layouts, so it looks like I need to modify the Page Layouts for Gallery which have embedded styles rather … --- ## [Templating-like system recommendations?](https://www.ruby-forum.com/t/templating-like-system-recommendations/159948)
**Author:** [@philswenson](https://www.ruby-forum.com/u/philswenson)\ **Replies:** 3\ **Last updated:** [February 11, 2009, 3:12pm UTC](https://www.ruby-forum.com/t/templating-like-system-recommendations/159948 "2009-02-11T15:12:58Z")
Hi, We want to add a significant new feature into our inhouse RoR system - we want to let admins create web pages that display data pulled from our database. We (I think) have figured out how to give them the data, b… --- ## [UTF-8 compliance in Rails](https://www.ruby-forum.com/t/utf-8-compliance-in-rails/151670)
**Author:** [@kiran1234](https://www.ruby-forum.com/u/kiran1234)\ **Replies:** 3\ **Last updated:** [November 4, 2008, 11:14am UTC](https://www.ruby-forum.com/t/utf-8-compliance-in-rails/151670 "2008-11-04T11:14:18Z")
I have a issue with UTF-8 compliance… Any solutions? --- ## [Ruby and/or Rails Community in Argentina](https://www.ruby-forum.com/t/ruby-and-or-rails-community-in-argentina/152357)
**Author:** [@bartolome](https://www.ruby-forum.com/u/bartolome)\ **Replies:** 3\ **Last updated:** [November 3, 2008, 4:05pm UTC](https://www.ruby-forum.com/t/ruby-and-or-rails-community-in-argentina/152357 "2008-11-03T16:05:33Z")
Hola a Todos, ¿Hay alguna comunidad de usuarios Ruby/Rails en Argentina, de la que ustedes sepan? Hello All, Is there any Ruby/Rails community in Argentina, that you know/heard of? Thanks in advance, – Rodrigo F. … --- ## [Schema.rb gotcha and how to load default entries in DB](https://www.ruby-forum.com/t/schema-rb-gotcha-and-how-to-load-default-entries-in-db/148254)
**Author:** [@fipa](https://www.ruby-forum.com/u/fipa)\ **Replies:** 3\ **Last updated:** [September 18, 2008, 1:53pm UTC](https://www.ruby-forum.com/t/schema-rb-gotcha-and-how-to-load-default-entries-in-db/148254 "2008-09-18T13:53:11Z")
Hi list, I just wanted to let you know: Yes you must check in the schema.rb into your SCM. Yes you must use db:schema:load Be careful schema.rb won’t allow you to load “default” entries into the DB My question is, i… --- ## [\[ANN\] ActiveRecord English Like Queries v0.0.2](https://www.ruby-forum.com/t/ann-activerecord-english-like-queries-v0-0-2/146227)
**Author:** [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Replies:** 3\ **Last updated:** [August 19, 2008, 10:13pm UTC](https://www.ruby-forum.com/t/ann-activerecord-english-like-queries-v0-0-2/146227 "2008-08-19T22:13:14Z")
I am pleased to announce the release of English Like Queries \[pronounced in a proper British accent\] v0.0.2 Changes: klass.where ‘name includes’ =\> \[‘abc’, ‘def’\] now defaults to a .find :all query–much nicer. Engli… --- ## [Calling double rb\_genrand\_real(void); failing](https://www.ruby-forum.com/t/calling-double-rb-genrand-real-void-failing/145591)
**Author:** [@polypus](https://www.ruby-forum.com/u/polypus)\ **Replies:** 3\ **Last updated:** [August 12, 2008, 1:29am UTC](https://www.ruby-forum.com/t/calling-double-rb-genrand-real-void-failing/145591 "2008-08-12T01:29:11Z")
hi, there is a function prototype: double rb\_genrand\_real(void); in intern.h which is included by ruby.h i’d like to call this function from C directly rather that calling the rand method in order avoid unnecessary… --- ## [Disbale keyboard](https://www.ruby-forum.com/t/disbale-keyboard/144086)
**Author:** [@ganana\_srishti](https://www.ruby-forum.com/u/ganana_srishti)\ **Replies:** 3\ **Last updated:** [July 25, 2008, 7:41pm UTC](https://www.ruby-forum.com/t/disbale-keyboard/144086 "2008-07-25T19:41:16Z")
Hi, Anybody knows how to disable keyboard keys for textfield or in a text area… plz reply me --- ## [Displaying Dropdown list value on selection of other dropdown list](https://www.ruby-forum.com/t/displaying-dropdown-list-value-on-selection-of-other-dropdown-list/143614)
**Author:** [@Shripad](https://www.ruby-forum.com/u/Shripad)\ **Replies:** 3\ **Last updated:** [July 23, 2008, 3:01pm UTC](https://www.ruby-forum.com/t/displaying-dropdown-list-value-on-selection-of-other-dropdown-list/143614 "2008-07-23T15:01:42Z")
Hi all, I want to do like following, I have Zone dropdown list, which contain West Zone, South Zone etc. when i select a value from this, i want to display all the regions in the selected zone in Region dropdown. W… --- ## [RJS visual effect](https://www.ruby-forum.com/t/rjs-visual-effect/142967)
**Author:** [@jturney](https://www.ruby-forum.com/u/jturney)\ **Replies:** 3\ **Last updated:** [July 14, 2008, 6:26pm UTC](https://www.ruby-forum.com/t/rjs-visual-effect/142967 "2008-07-14T18:26:37Z")
def show\_add\_user if(request.xhr?) render :update do |rjs| rjs.replace\_html :add\_user\_form, :partial =\> ‘form’ end else redirect\_to\_index end end How do I add a visual effect to that? Thanks --- ## [Floating point calculation problem](https://www.ruby-forum.com/t/floating-point-calculation-problem/142465)
**Author:** [@Hyun\_chul\_P](https://www.ruby-forum.com/u/Hyun_chul_P)\ **Replies:** 3\ **Last updated:** [July 8, 2008, 11:11am UTC](https://www.ruby-forum.com/t/floating-point-calculation-problem/142465 "2008-07-08T11:11:27Z")
hi. i’m confused by float point calculation. like this! irb(main):001:0\> 123.6 - 123 =\> 0.599999999999994 how to i get result 0.6 ? --- ## [Linkt\_to problems](https://www.ruby-forum.com/t/linkt-to-problems/142211)
**Author:** [@viliwort](https://www.ruby-forum.com/u/viliwort)\ **Replies:** 3\ **Last updated:** [July 8, 2008, 8:19am UTC](https://www.ruby-forum.com/t/linkt-to-problems/142211 "2008-07-08T08:19:03Z")
I can’t explain where those differences come from. In one Project I can use the link\_to without any problems. Like this: \<%= link\_to “LINKNAME”, :action =\> “destroy”, :id =\> ID %\> But in another project… That happens … --- ## [Rspec?](https://www.ruby-forum.com/t/rspec/140213)
**Author:** [@cleaner416](https://www.ruby-forum.com/u/cleaner416)\ **Replies:** 0\ **Last updated:** [June 11, 2008, 10:40pm UTC](https://www.ruby-forum.com/t/rspec/140213 "2008-06-11T22:40:10Z")
Anyone using rspec to spec/test engines? If so I’d would love to see some source code … Thanks! --- ## [Database design question](https://www.ruby-forum.com/t/database-design-question/137282)
**Author:** [@ANSS](https://www.ruby-forum.com/u/ANSS)\ **Replies:** 3\ **Last updated:** [May 12, 2008, 1:53am UTC](https://www.ruby-forum.com/t/database-design-question/137282 "2008-05-12T01:53:20Z")
Hello, I need your advice regarding the following situation: In my application I already have a Users table, now I need to add an address book for each user to save his/her contacts, I need also to add the possibili… --- ## [Confused about X-Forwarded-For](https://www.ruby-forum.com/t/confused-about-x-forwarded-for/135965)
**Author:** [@Rt\_Ibmer](https://www.ruby-forum.com/u/Rt_Ibmer)\ **Replies:** 0\ **Last updated:** [April 27, 2008, 6:18am UTC](https://www.ruby-forum.com/t/confused-about-x-forwarded-for/135965 "2008-04-27T06:18:32Z")
I am using nginx as a load balancing proxy to pass requests using proxy\_pass to upstream servers running my web app. These requests may or may not come in with X-Forwarded-For, depending on whether the visitor is usin… --- ## [Generate Barcode in PDF?](https://www.ruby-forum.com/t/generate-barcode-in-pdf/114501)
**Author:** [@reynar](https://www.ruby-forum.com/u/reynar)\ **Replies:** 3\ **Last updated:** [April 24, 2008, 1:52am UTC](https://www.ruby-forum.com/t/generate-barcode-in-pdf/114501 "2008-04-24T01:52:33Z")
Hi, I am searching for a way to dynamically generate a barcode as part of a PDF. I have come across a number of older threads and discussions but no one seemed to confirm a tested working solution. I wondered if any… --- ## [Impulse response USRP DAC\<-\>ADC](https://www.ruby-forum.com/t/impulse-response-usrp-dac-adc/132183)
**Author:** [@Per\_Z](https://www.ruby-forum.com/u/Per_Z)\ **Replies:** 3\ **Last updated:** [March 27, 2008, 7:51am UTC](https://www.ruby-forum.com/t/impulse-response-usrp-dac-adc/132183 "2008-03-27T07:51:09Z")
Hi All, I connected the DAC of the USRP directly to the ADC (basic db, 50ohm cable), 2MHz sample-rate. The impulse responses I get are: h1=\[0,-2,2,-7,8,-6,314,479,-47,-161,-124,-103,-79,-63,-50,-39,-29,-23,-17,-1 4,… [Previous page](https://www.ruby-forum.com/top.md?page=1977&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1979&per_page=50)