# Top **URL:** https://www.ruby-forum.com/top.md?page=1305 [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:** 1306 --- ## [Problems overriding module with plugin](https://www.ruby-forum.com/t/problems-overriding-module-with-plugin/52091)
**Author:** [@M\_Daggett](https://www.ruby-forum.com/u/M_Daggett)\ **Replies:** 5\ **Last updated:** [January 12, 2006, 6:53pm UTC](https://www.ruby-forum.com/t/problems-overriding-module-with-plugin/52091 "2006-01-12T18:53:12Z")
Hi I am trying to create a plug-in to fix the error in the rails core produced by the multiple delete on a HABTM relationship. I have confirmed that my plug-in is being included into the base during runtime however th… --- ## [File\_column crashing WEBrick when using :magick options](https://www.ruby-forum.com/t/file-column-crashing-webrick-when-using-magick-options/89665)
**Author:** [@rjlyders](https://www.ruby-forum.com/u/rjlyders)\ **Replies:** 5\ **Last updated:** [January 6, 2006, 2:29pm UTC](https://www.ruby-forum.com/t/file-column-crashing-webrick-when-using-magick-options/89665 "2006-01-06T14:29:02Z")
I’m trying to use file\_column in an app I’m writing. Simple file uploads are working fine. However, when I try and use the :magick options to make resized versions, WEBrick dies. This is the Media model: class Media… --- ## [$-variables and regexp](https://www.ruby-forum.com/t/variables-and-regexp/50417)
**Author:** [@akoSS](https://www.ruby-forum.com/u/akoSS)\ **Replies:** 5\ **Last updated:** [December 18, 2005, 11:20pm UTC](https://www.ruby-forum.com/t/variables-and-regexp/50417 "2005-12-18T23:20:26Z")
hello, if i indeed want to start using MatchData instead of the “warts” such as $-variables in regular expressions, how do i go about writing code blocks for String#sub et al if i want to get a match for a particular … --- ## [BlindDown Effect - starting with hidden div](https://www.ruby-forum.com/t/blinddown-effect-starting-with-hidden-div/48534)
**Author:** [@n1c](https://www.ruby-forum.com/u/n1c)\ **Replies:** 5\ **Last updated:** [November 22, 2005, 12:15am UTC](https://www.ruby-forum.com/t/blinddown-effect-starting-with-hidden-div/48534 "2005-11-22T00:15:23Z")
I would like to reveal a hidden div when the user clicks a link, using the Effect.BlindDown scriptaculous method. How do I arrange it so that the div starts off hidden, but reveals itself with a BlindDown when the use… --- ## [Change an xml\_http\_request to http\_request](https://www.ruby-forum.com/t/change-an-xml-http-request-to-http-request/48274)
**Author:** [@charlysisto](https://www.ruby-forum.com/u/charlysisto)\ **Replies:** 5\ **Last updated:** [November 18, 2005, 7:50pm UTC](https://www.ruby-forum.com/t/change-an-xml-http-request-to-http-request/48274 "2005-11-18T19:50:53Z")
Hi, I use ajax to edit or create entry in my DB : a div box opens on top of the page (a bit like a pop up) with all the fileds to fill. Now to display properly an error message in the div box I use the remote tag for… --- ## [Admin list contact](https://www.ruby-forum.com/t/admin-list-contact/244918)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [July 10, 2016, 7:11pm UTC](https://www.ruby-forum.com/t/admin-list-contact/244918 "2016-07-10T19:11:36Z")
Hi, I’m trying to contact with the admin of the list at removed\_email\_address@domain.invalid but I’m not receiving response to my mails. Is there any other address to contact him/her? Thank you --- ## [Beginner Question: "and" "or" conditons](https://www.ruby-forum.com/t/beginner-question-and-or-conditons/241930)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [May 13, 2015, 1:02pm UTC](https://www.ruby-forum.com/t/beginner-question-and-or-conditons/241930 "2015-05-13T13:02:33Z")
Hello, Quick question about how "and " & “or” work in conditions. They seem to work oppositely. Examples: " var1 = 0 var2 = 0 while var1 != 3 and var2 != 3 puts ‘Num 1’ var1 = gets.chomp.to\_i puts ‘Num 2’ var2… --- ## [Help for hash, thanks](https://www.ruby-forum.com/t/help-for-hash-thanks/234007)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [February 3, 2015, 1:54am UTC](https://www.ruby-forum.com/t/help-for-hash-thanks/234007 "2015-02-03T01:54:32Z")
hello, I am newcomer in Ruby. These days I develop with ruby-sdk on aws, when I put items into dynamoDB. First I use Array putItems: ngrid=100 putItems = Array.new(ngrid) every element in putItems is a hash instance p… --- ## [How to install ruby curb](https://www.ruby-forum.com/t/how-to-install-ruby-curb/231296)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 6, 2014, 10:59pm UTC](https://www.ruby-forum.com/t/how-to-install-ruby-curb/231296 "2014-08-06T22:59:52Z")
How can I install ruby curb? What needs to be done before I can start using curl commands inside the ruby script. Thanks --- ## [Regd: IIP3 and OIP3 measurements for USRPN210](https://www.ruby-forum.com/t/regd-iip3-and-oip3-measurements-for-usrpn210/240481)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [April 28, 2014, 10:21am UTC](https://www.ruby-forum.com/t/regd-iip3-and-oip3-measurements-for-usrpn210/240481 "2014-04-28T10:21:27Z")
Hi My project is dealing with Tx/Rx Characterization. I wanted to know if anyone has tried finding the IIP3 and OIP3 for the USRP N210 with WBX and SBX daughter-boards. I did an experiment on Tx side ( USRP behaving… --- ## [Sine wave of only 3 cycles](https://www.ruby-forum.com/t/sine-wave-of-only-3-cycles/238828)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [January 30, 2014, 1:45pm UTC](https://www.ruby-forum.com/t/sine-wave-of-only-3-cycles/238828 "2014-01-30T13:45:03Z")
Dear Sir, A block of Signal Source (Sine) generates sine wave continuously. How to make it just generates 3 wave-cycle and then stop generating immediately. At the end of the flow-graph there is a File Sink. This cap… --- ## [Nginx-1.4.3](https://www.ruby-forum.com/t/nginx-1-4-3/246402)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [October 9, 2013, 12:54am UTC](https://www.ruby-forum.com/t/nginx-1-4-3/246402 "2013-10-09T00:54:46Z")
Changes with nginx 1.4.3 08 Oct 2013 \*) Bugfix: a segmentation fault might occur in a worker process if the ngx\_http\_spdy\_module was used with the “client\_body\_in\_file\_only” … --- ## [Pass name and values in link\_tag](https://www.ruby-forum.com/t/pass-name-and-values-in-link-tag/245899)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [July 30, 2013, 7:08pm UTC](https://www.ruby-forum.com/t/pass-name-and-values-in-link-tag/245899 "2013-07-30T19:08:42Z")
hi i passed name and value in link\_to but its not taking? \<%if params\[:deals\]\[:company\_name\] !=nil && params\[:deals\]\[:company\_name\] == “dsec” %\> \<%= link\_to “Company Name d”,“javascript:void(0)”,:class=\>“get\_page d… --- ## [Error in method call - need help to understand](https://www.ruby-forum.com/t/error-in-method-call-need-help-to-understand/227534)
**Author:** [@pritamdey](https://www.ruby-forum.com/u/pritamdey)\ **Replies:** 2\ **Last updated:** [March 19, 2013, 5:29pm UTC](https://www.ruby-forum.com/t/error-in-method-call-need-help-to-understand/227534 "2013-03-19T17:29:24Z")
I was trying to call a method as below: $array = \[\] array\_1 = %w(tuna salmon herring) array\_2 = %w(crow owl eagle dove) def parser (\*argument) argument.each do |item| $array \<\< item end end parser (array\_1,array… --- ## [Question about adding timeout on RubyTCPSocket#initialize](https://www.ruby-forum.com/t/question-about-adding-timeout-on-rubytcpsocket-initialize/221333)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [July 20, 2012, 1:55am UTC](https://www.ruby-forum.com/t/question-about-adding-timeout-on-rubytcpsocket-initialize/221333 "2012-07-20T01:55:48Z")
Hello, I met an freeze error on RubyTCPSocket#initialize. The problem is that RubyThread#select never returns, which is used in RubyTCPSocket.java. To solve this issue, I want to set “timeout” in #initialize on Ruby… --- ## [Fully qualified path not possible?](https://www.ruby-forum.com/t/fully-qualified-path-not-possible/220805)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [June 21, 2012, 3:55pm UTC](https://www.ruby-forum.com/t/fully-qualified-path-not-possible/220805 "2012-06-21T15:55:23Z")
Should I expect the following to work? require ‘java’ class javax.swing.JFrame end Currently it results in SyntaxError: (irb):6: syntax error, unexpected ‘;’ class javax.swing.JFrame; end ^ from org/jruby/RubyKer… --- ## [Uhd\_fft and rx\_ascii\_art\_dft die after 30 seconds](https://www.ruby-forum.com/t/uhd-fft-and-rx-ascii-art-dft-die-after-30-seconds/213353)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [November 2, 2011, 4:59am UTC](https://www.ruby-forum.com/t/uhd-fft-and-rx-ascii-art-dft-die-after-30-seconds/213353 "2011-11-02T04:59:23Z")
I am running ubuntu 10.04 in vmware and connecting to an n210 via a gigabit ethernet USB dongle. When I run either uhd\_fft.py or rx\_ascii\_art\_dft all works fine for exactly 30 seconds and then the data display stops u… --- ## [Srand(0) confusion](https://www.ruby-forum.com/t/srand-0-confusion/211204)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [August 29, 2011, 2:11pm UTC](https://www.ruby-forum.com/t/srand-0-confusion/211204 "2011-08-29T14:11:28Z")
I’m fairly new to coding ruby and I’m using “Learn to program” by Chris Pine. After taking a look at the ‘rand’ method, I’m introduced to ‘srand’ and here’s what I’m confused about… srand(123) puts rand(100) puts r… --- ## [Rewrite or internal redirection cycle](https://www.ruby-forum.com/t/rewrite-or-internal-redirection-cycle/206038)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [April 21, 2011, 5:25am UTC](https://www.ruby-forum.com/t/rewrite-or-internal-redirection-cycle/206038 "2011-04-21T05:25:07Z")
Hi, I have the following rewrite rule: location = / { if ($vanity) { rewrite ^/$ /?static\_event\_cache=1? last; } } Whenever I hit / & vanity is set I get the following error message: Apr 20 16:16:58 st… --- ## [Subdomain test](https://www.ruby-forum.com/t/subdomain-test/205631)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [April 12, 2011, 4:36am UTC](https://www.ruby-forum.com/t/subdomain-test/205631 "2011-04-12T04:36:13Z")
Hi guys, I’m developing a app where each subdomain has a independent data set. I did a few tries to rewrite a test for this, but all were unsuccessful. Do someone has a example how I can do that? any reference will he… --- ## [Rails 3 + Postgre + incompatible character encodings: ASCII-8BIT and UTF-8](https://www.ruby-forum.com/t/rails-3-postgre-incompatible-character-encodings-ascii-8bit-and-utf-8/204929)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [March 25, 2011, 5:42pm UTC](https://www.ruby-forum.com/t/rails-3-postgre-incompatible-character-encodings-ascii-8bit-and-utf-8/204929 "2011-03-25T17:42:38Z")
Hi friends! I’m having problems to load some data in a Postgresql database using “rake db:seed”. /work/arzamas1$ rake db:seed (in /home/luiz/work/arzamas1) rake aborted! incompatible character encodings: ASCII-8BIT… --- ## [JRuby and JasperReports intergration](https://www.ruby-forum.com/t/jruby-and-jasperreports-intergration/187388)
**Author:** [@paul](https://www.ruby-forum.com/u/paul)\ **Replies:** 2\ **Last updated:** [January 26, 2011, 11:41am UTC](https://www.ruby-forum.com/t/jruby-and-jasperreports-intergration/187388 "2011-01-26T11:41:57Z")
I have recently been integrating a rails app with jasper reports (not for the first time), this time however I’ve gone down the JRuby route and calling Jasper directly. I was thinking maybe this could be a could topi… --- ## [Preferred state machine gem?](https://www.ruby-forum.com/t/preferred-state-machine-gem/187541)
**Author:** [@pollopoop92](https://www.ruby-forum.com/u/pollopoop92)\ **Replies:** 2\ **Last updated:** [April 27, 2010, 8:25pm UTC](https://www.ruby-forum.com/t/preferred-state-machine-gem/187541 "2010-04-27T20:25:27Z")
Hi everyone, today i would ask what state machine is more well writed and to be specific, more complete and simple to use for a network project. AFAIK i think state\_machine is pretty straightforward but a newbie have … --- ## [Jvm route problem](https://www.ruby-forum.com/t/jvm-route-problem/182877)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 2\ **Last updated:** [February 4, 2010, 8:22am UTC](https://www.ruby-forum.com/t/jvm-route-problem/182877 "2010-02-04T08:22:31Z")
Hey guys, I am using unofficial module named “jvm\_route\_module” ( Google Code Archive - Long-term storage for Google Code Project Hosting.) to make my nginx support sticky session for tomcat through ajp. The compilat… --- ## [How To Drive Out AJAX Functionality in Rails' Views?](https://www.ruby-forum.com/t/how-to-drive-out-ajax-functionality-in-rails-views/167792)
**Author:** [@lee](https://www.ruby-forum.com/u/lee)\ **Replies:** 2\ **Last updated:** [May 12, 2009, 9:00pm UTC](https://www.ruby-forum.com/t/how-to-drive-out-ajax-functionality-in-rails-views/167792 "2009-05-12T21:00:52Z")
I am new to RSpec and have just started to drive out my first view using a spec. I have used the The RSpec Book (beta) to do the basic stuff like testing for the presence of a field but I am unsure where to start for … --- ## [How to I see SQL trace when using (a) rails console & (b) running rspec tests?](https://www.ruby-forum.com/t/how-to-i-see-sql-trace-when-using-a-rails-console-b-running-rspec-tests/166018)
**Author:** [@greg](https://www.ruby-forum.com/u/greg)\ **Replies:** 2\ **Last updated:** [April 21, 2009, 4:48am UTC](https://www.ruby-forum.com/t/how-to-i-see-sql-trace-when-using-a-rails-console-b-running-rspec-tests/166018 "2009-04-21T04:48:34Z")
Hi, I’d like to know how to monitor the SQL calls (from ActiveRecord) for both the cases: (a) using rails console \[development mode\], and (b) running rspec tests \[test mode\] How can I do this? For item (a) I recol… --- ## [Ya podemos migrar a rails 2.2?](https://www.ruby-forum.com/t/ya-podemos-migrar-a-rails-2-2/155773)
**Author:** [@aprendiz\_ror](https://www.ruby-forum.com/u/aprendiz_ror)\ **Replies:** 2\ **Last updated:** [December 16, 2008, 10:30pm UTC](https://www.ruby-forum.com/t/ya-podemos-migrar-a-rails-2-2/155773 "2008-12-16T22:30:27Z")
buenas. una feliz navidad a todos y que el proximo año siga creciendo ror. mi inquietud es la siguiente: tengo una aplicacion en rails 1.2.6, y debo hacerle mantenimiento, pero tengo la inquietud de migrarla a rails … --- ## [Herencia? no, nomenclatura!](https://www.ruby-forum.com/t/herencia-no-nomenclatura/139316)
**Author:** [@fernan2](https://www.ruby-forum.com/u/fernan2)\ **Replies:** 2\ **Last updated:** [June 3, 2008, 8:37am UTC](https://www.ruby-forum.com/t/herencia-no-nomenclatura/139316 "2008-06-03T08:37:22Z")
Tengo unos cuantos niveles de herencia: contenido.rb - class Contenido \< ActiveRecord::Base tema.rb - class Tema \< Contenido Hasta aquí, bien… pero ahora añado otro nivel thread.rb - class Thread \< Tema y ya no pu… --- ## [Listen to all, handle some](https://www.ruby-forum.com/t/listen-to-all-handle-some/138267)
**Author:** [@BjSSSSrn\_Keil](https://www.ruby-forum.com/u/BjSSSSrn_Keil)\ **Replies:** 2\ **Last updated:** [May 21, 2008, 4:15pm UTC](https://www.ruby-forum.com/t/listen-to-all-handle-some/138267 "2008-05-21T16:15:07Z")
Hello, I am trying to change our load balancing here from a quite unflexible DNS loadbalancing to something more sophisticated. I tried pound but was absolutely not content with it. Now I am trying nginx, and even th… --- ## [Constants, Bindings and instance\_eval](https://www.ruby-forum.com/t/constants-bindings-and-instance-eval/137376)
**Author:** [@achim](https://www.ruby-forum.com/u/achim)\ **Replies:** 2\ **Last updated:** [May 12, 2008, 10:13pm UTC](https://www.ruby-forum.com/t/constants-bindings-and-instance-eval/137376 "2008-05-12T22:13:19Z")
Dear rubyists, i’m fairly new to ruby, so please apologize if i’m missing something obvious. I’m trying to figure out how constant lookup works and find myself confused. Here we go: class A; C=3 end $a = A.new $a.in… --- ## [Link\_to und anchor?](https://www.ruby-forum.com/t/link-to-und-anchor/127692)
**Author:** [@rbjl](https://www.ruby-forum.com/u/rbjl)\ **Replies:** 2\ **Last updated:** [January 31, 2008, 2:49pm UTC](https://www.ruby-forum.com/t/link-to-und-anchor/127692 "2008-01-31T14:49:47Z")
ja hallo erstmal,… derzeit stehe ich gerade wie der Ochs vor’m Berg (bei Rails 1.2.6) mit einem - eigentlich nicht ganz so schwierigem Problem: Ich generiere einen Link über:\<%= “Types”, :controller=\>“master\_data”,:… --- ## [Gui front-end for database (jruby + swing + jdbc) or (ruby + (gtk || fxruby) + sequel)](https://www.ruby-forum.com/t/gui-front-end-for-database-jruby-swing-jdbc-or-ruby-gtk-fxruby-sequel/125412)
**Author:** [@prhlava](https://www.ruby-forum.com/u/prhlava)\ **Replies:** 2\ **Last updated:** [January 9, 2008, 10:59am UTC](https://www.ruby-forum.com/t/gui-front-end-for-database-jruby-swing-jdbc-or-ruby-gtk-fxruby-sequel/125412 "2008-01-09T10:59:56Z")
Hello, Did anyone created a medium size database gui application using the combinations mentioned? I am trying to decide what to use and would like to hear about your experiences. My current analysis: GUI toolkits: … --- ## [Acts as taggable on steroids - seach all tags](https://www.ruby-forum.com/t/acts-as-taggable-on-steroids-seach-all-tags/111267)
**Author:** [@ss\_1982](https://www.ruby-forum.com/u/ss_1982)\ **Replies:** 2\ **Last updated:** [August 5, 2007, 3:20pm UTC](https://www.ruby-forum.com/t/acts-as-taggable-on-steroids-seach-all-tags/111267 "2007-08-05T15:20:10Z")
Hi, When using acts as taggable on steroids, you can search a model’s tags by doing somthing like Post.find\_tagged\_with(‘Funny, Silly’) But how do you search all tags without using manual sql and not limit it just t… --- ## [Local SVN & Capistrano 2.0](https://www.ruby-forum.com/t/local-svn-capistrano-2-0/104754)
**Author:** [@df-sean](https://www.ruby-forum.com/u/df-sean)\ **Replies:** 2\ **Last updated:** [May 22, 2007, 7:15am UTC](https://www.ruby-forum.com/t/local-svn-capistrano-2-0/104754 "2007-05-22T07:15:59Z")
Everything is working well in my svn repository. I am able to connect to my server by using “cap deploy”, but receive this error message: \*\* \[out\] svn: Unable to open an ra\_local session to URL \*\* svn: Unable to open… --- ## [RESTful routes and Mime::Type](https://www.ruby-forum.com/t/restful-routes-and-mime-type/81955)
**Author:** [@Peter\_De\_Berdt](https://www.ruby-forum.com/u/Peter_De_Berdt)\ **Replies:** 2\ **Last updated:** [January 16, 2007, 4:05pm UTC](https://www.ruby-forum.com/t/restful-routes-and-mime-type/81955 "2007-01-16T16:05:16Z")
Hi all I’m using RESTful routes combined with the to\_csv plugin and would like to know if there’s a nicer way of generating a link to fetch the CSV file than just making a hard link. This is what I use for the moment… --- ## [Using ActiveRecord in a Rake Task](https://www.ruby-forum.com/t/using-activerecord-in-a-rake-task/76838)
**Author:** [@johnk](https://www.ruby-forum.com/u/johnk)\ **Replies:** 2\ **Last updated:** [November 21, 2006, 9:50pm UTC](https://www.ruby-forum.com/t/using-activerecord-in-a-rake-task/76838 "2006-11-21T21:50:58Z")
I have the following skeleton for a rake task: ========== namespace :db do desc “Populate database for first time based on export from AS/400 system” task :populate\_from\_export do ActiveRecord::Base.establish\_conne… --- ## [More themes included/microformats](https://www.ruby-forum.com/t/more-themes-included-microformats/98150)
**Author:** [@Chris\_McCracken](https://www.ruby-forum.com/u/Chris_McCracken)\ **Replies:** 2\ **Last updated:** [July 12, 2006, 9:36pm UTC](https://www.ruby-forum.com/t/more-themes-included-microformats/98150 "2006-07-12T21:36:22Z")
What is the interest level in including more (fixed) themes in the basic typo install than just Azure? Scribbish \[1\] is technically very good, with the microformats \[2\] built-in, but I have personally fallen in love … --- ## [Rexml: replace several text nodes by a single one](https://www.ruby-forum.com/t/rexml-replace-several-text-nodes-by-a-single-one/97601)
**Author:** [@pete](https://www.ruby-forum.com/u/pete)\ **Replies:** 2\ **Last updated:** [July 8, 2006, 7:27pm UTC](https://www.ruby-forum.com/t/rexml-replace-several-text-nodes-by-a-single-one/97601 "2006-07-08T19:27:30Z")
Hi, this sounds simple but I just don’t get it… I want to replace the text child nodes of an REXML::Element by a new, single text node… In order to do that, I want to remove any previous text nodes first require ‘r… --- ## [Newbie: Can't get file to upload](https://www.ruby-forum.com/t/newbie-cant-get-file-to-upload/54722)
**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\ **Replies:** 2\ **Last updated:** [March 15, 2006, 6:33am UTC](https://www.ruby-forum.com/t/newbie-cant-get-file-to-upload/54722 "2006-03-15T06:33:56Z")
Since I can’t get the fancy upload progress thing to work, I thought that I would revert back to a regular file upload scenario. I have a very simple file upload form set up. It appears that my file parameter is comi… --- ## [Re: GRC FFT Plot](https://www.ruby-forum.com/t/re-grc-fft-plot/242879)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [August 4, 2015, 7:26pm UTC](https://www.ruby-forum.com/t/re-grc-fft-plot/242879 "2015-08-04T19:26:52Z")
Actually, you were right at first madengr. My transmitter is USRP1 with WBX 50-2200 while my receiver is USRP N200 with TVRX2 and spectrum analyzer. Can you give me suggestions on how I can match the amplitude on both… --- ## [Speed Your Rails App with Model Caching using Redis](https://www.ruby-forum.com/t/speed-your-rails-app-with-model-caching-using-redis/242739)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [July 24, 2015, 3:54am UTC](https://www.ruby-forum.com/t/speed-your-rails-app-with-model-caching-using-redis/242739 "2015-07-24T03:54:57Z")
While learning Rails, little emphasis is given on performance partly because most of those tutorials are usually small applications with minimal records. But as one progresses and starts handling huge apps, performanc… --- ## [Rails 4.2 Mailer Problem](https://www.ruby-forum.com/t/rails-4-2-mailer-problem/233601)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [February 23, 2015, 6:24pm UTC](https://www.ruby-forum.com/t/rails-4-2-mailer-problem/233601 "2015-02-23T18:24:05Z")
Since we updated our application to Rails 4.2, our mailer tests seems to fail (or not) randomly. Simplified mailer code: class ReservationMailer \< ActionMailer::Base default from: ‘removed\_email\_address@domain.invali… --- ## [Any tool for developing a hierarchical user management system?](https://www.ruby-forum.com/t/any-tool-for-developing-a-hierarchical-user-management-system/234047)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [February 16, 2015, 10:49am UTC](https://www.ruby-forum.com/t/any-tool-for-developing-a-hierarchical-user-management-system/234047 "2015-02-16T10:49:38Z")
Hi All, I have just been asked to develop a user administration system that should be able to manage the following hierarchy of admins and users: A small group (1 - 5) of “superadmins” who can create regular “admin… --- ## [QT GUI frequency plot scale](https://www.ruby-forum.com/t/qt-gui-frequency-plot-scale/232530)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 15, 2014, 1:14am UTC](https://www.ruby-forum.com/t/qt-gui-frequency-plot-scale/232530 "2014-10-15T01:14:04Z")
Hi all, I’m going through some of the GNU Radio tutorials and I noticed that the frequency axis for the QT GUI frequency sink is incorrect for real valued signals (e.g., sample rate of 10k shows -2.5k to 2.5k). I fou… --- ## [Unable to launch opera using watir-webdriver on Windows XP](https://www.ruby-forum.com/t/unable-to-launch-opera-using-watir-webdriver-on-windows-xp/240963)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [May 9, 2014, 12:22am UTC](https://www.ruby-forum.com/t/unable-to-launch-opera-using-watir-webdriver-on-windows-xp/240963 "2014-05-09T00:22:21Z")
Hi, I am trying to launch Opera on Windows XP , but instead of launching opera it launches IE. I also downloaded the selenium standalone jar and saved it in C:/Ruby/Bin and also created environment variable SELENIUM\_… --- ## [For all algorithms lovers, Introducing the algorithm repository](https://www.ruby-forum.com/t/for-all-algorithms-lovers-introducing-the-algorithm-repository/239967)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [March 28, 2014, 12:49pm UTC](https://www.ruby-forum.com/t/for-all-algorithms-lovers-introducing-the-algorithm-repository/239967 "2014-03-28T12:49:56Z")
Hi, We have developed an algorithm repository(built on rubyonrails framework) which contains ~ 245 algorithms from 51 different sources. Check out - http://algorithm.daqwest.com Hope u like it! Would be very glad to … --- ## [Bundler vs. yanked Gems](https://www.ruby-forum.com/t/bundler-vs-yanked-gems/229773)
**Author:** [@leslieviljoen](https://www.ruby-forum.com/u/leslieviljoen)\ **Replies:** 1\ **Last updated:** [February 12, 2013, 8:57pm UTC](https://www.ruby-forum.com/t/bundler-vs-yanked-gems/229773 "2013-02-12T20:57:39Z")
Hi everyone! There was a mistake with gem dependencies, resulting in net-scp 1.0.6 being yanked: net-scp patch version increased net-ssh dependency minor version · Issue #80 · net-ssh/net-ssh · GitHub Unfortunately, … --- ## [Warning: ambiguous Java methods found (JRuby 1.7)](https://www.ruby-forum.com/t/warning-ambiguous-java-methods-found-jruby-1-7/224503)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [November 14, 2012, 4:04pm UTC](https://www.ruby-forum.com/t/warning-ambiguous-java-methods-found-jruby-1-7/224503 "2012-11-14T16:04:34Z")
Just downloaded JRuby 1.7.0, and running unit tests on a Rails 3 project I am see this warning, which I was not seeing with 1.6.7: warning: ambiguous Java methods found Okay, I get why it is happening, JRuby cannot be… --- ## [Load balancing random 503](https://www.ruby-forum.com/t/load-balancing-random-503/223019)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [September 22, 2012, 11:22am UTC](https://www.ruby-forum.com/t/load-balancing-random-503/223019 "2012-09-22T11:22:11Z")
Hi there I have an instance on ec2 acting as a load balancer for 4 apache2 servers. The instance is ubuntu precise with nginx 1.2.3 The instance has 4 computing units and 3.75 GB memory Everything is working ok, exc… --- ## [Add logger to module/class](https://www.ruby-forum.com/t/add-logger-to-module-class/213168)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [October 25, 2011, 6:28pm UTC](https://www.ruby-forum.com/t/add-logger-to-module-class/213168 "2011-10-25T18:28:33Z")
I want a dual logger so I have sub-classed Logger with this : class Logging \< Logger def initialize(file, stdout=false) @log\_file = Logger(file) @log\_out = Logger(stdout) if stdout end #Override the logger’s method… [Previous page](https://www.ruby-forum.com/top.md?page=1304&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1306&per_page=50)