# Top **URL:** https://www.ruby-forum.com/top.md?page=1209 [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:** 1210 --- ## [Need a simple graph example on ruby](https://www.ruby-forum.com/t/need-a-simple-graph-example-on-ruby/132746)
**Author:** [@dibyendu](https://www.ruby-forum.com/u/dibyendu)\ **Replies:** 6\ **Last updated:** [March 24, 2008, 12:02pm UTC](https://www.ruby-forum.com/t/need-a-simple-graph-example-on-ruby/132746 "2008-03-24T12:02:10Z")
Can anyone provide me a simple graph example on ruby Say I have a table with two columns like this : Age Number of people 1-20 35 21-40 48 41-60 22 61-80 18 Can anyone tell me, STEP BY STEP … --- ## [Qt4 Ruby Ubuntu](https://www.ruby-forum.com/t/qt4-ruby-ubuntu/129473)
**Author:** [@rev](https://www.ruby-forum.com/u/rev)\ **Replies:** 6\ **Last updated:** [February 19, 2008, 12:07am UTC](https://www.ruby-forum.com/t/qt4-ruby-ubuntu/129473 "2008-02-19T00:07:46Z")
Ciao a tutti! sto cercando di fare funzionare uno script in ruby tipo questo " require ‘Qt’ a = Qt::Application.new(ARGV) def create\_intro\_page page = Qt::WizardPage.new do |p| p.title = “Introduction” end l… --- ## [Quesition Signal Processing Block: Compilation Errors Regarding Multiple Definition](https://www.ruby-forum.com/t/quesition-signal-processing-block-compilation-errors-regarding-multiple-definition/125981)
**Author:** [@jonas](https://www.ruby-forum.com/u/jonas)\ **Replies:** 6\ **Last updated:** [January 15, 2008, 4:55am UTC](https://www.ruby-forum.com/t/quesition-signal-processing-block-compilation-errors-regarding-multiple-definition/125981 "2008-01-15T04:55:26Z")
I have a question. I am trying to make 4 signal processing blocks wherein some of the definitions for its computations will be REPEATEDLY defined. I really intend this. However, basing from the gr-howto module (of wh… --- ## [Rewrite foo.com. to foo.com](https://www.ruby-forum.com/t/rewrite-foo-com-to-foo-com/119562)
**Author:** [@ezra\_z](https://www.ruby-forum.com/u/ezra_z)\ **Replies:** 6\ **Last updated:** [November 8, 2007, 5:19am UTC](https://www.ruby-forum.com/t/rewrite-foo-com-to-foo-com/119562 "2007-11-08T05:19:58Z")
Hi there- I’m trying to sort out a problem a client is having with a googlemap api key. I need to rewrite any requests that end in a . to the same request with no . example: incoming request to foo.bar.com. needs… --- ## [Problem accessing item using has many through](https://www.ruby-forum.com/t/problem-accessing-item-using-has-many-through/119410)
**Author:** [@martinevans](https://www.ruby-forum.com/u/martinevans)\ **Replies:** 6\ **Last updated:** [November 6, 2007, 10:36pm UTC](https://www.ruby-forum.com/t/problem-accessing-item-using-has-many-through/119410 "2007-11-06T22:36:52Z")
My models are class BakeryOutput \< ActiveRecord::Base belongs\_to :recipe belongs\_to :customer end class Recipe \< ActiveRecord::Base has\_many :ingredient\_recipes has\_many :ingredients, :through =\> :ingredient\_r… --- ## [Execute ruby commands in a program](https://www.ruby-forum.com/t/execute-ruby-commands-in-a-program/112420)
**Author:** [@h4z3](https://www.ruby-forum.com/u/h4z3)\ **Replies:** 6\ **Last updated:** [August 18, 2007, 8:59pm UTC](https://www.ruby-forum.com/t/execute-ruby-commands-in-a-program/112420 "2007-08-18T20:59:52Z")
Ok so lets say i have a program, And within the program i call a command such as Ruby: Is there anyway to be able to run live ruby code and print the answers (i dont really know how to put it) so like… Ruby: name = … --- ## [Change of Symbol to respond to intern?](https://www.ruby-forum.com/t/change-of-symbol-to-respond-to-intern/112047)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 6\ **Last updated:** [August 14, 2007, 10:06pm UTC](https://www.ruby-forum.com/t/change-of-symbol-to-respond-to-intern/112047 "2007-08-14T22:06:03Z")
I often find myself writing methods with the following form: def foo(sym\_or\_str) @iv = sym\_or\_str end when I go to compare later vs @iv, I can do: def compare\_vs\_iv(arg) if arg.to\_s == @iv.to\_s then … end … end … --- ## [Help building Ruby 1.9 on Windows](https://www.ruby-forum.com/t/help-building-ruby-1-9-on-windows/91243)
**Author:** [@vtphysguy](https://www.ruby-forum.com/u/vtphysguy)\ **Replies:** 6\ **Last updated:** [April 15, 2007, 3:09am UTC](https://www.ruby-forum.com/t/help-building-ruby-1-9-on-windows/91243 "2007-04-15T03:09:11Z")
I am looking for some advice on building Ruby 1.9 on windows. Following the instructions found in this thread http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/184380, I have managed to get pretty far but … --- ## [NetBeans 6.0 Rails Support](https://www.ruby-forum.com/t/netbeans-6-0-rails-support/88202)
**Author:** [@bruparel](https://www.ruby-forum.com/u/bruparel)\ **Replies:** 6\ **Last updated:** [March 9, 2007, 12:39am UTC](https://www.ruby-forum.com/t/netbeans-6-0-rails-support/88202 "2007-03-09T00:39:34Z")
The new Ruby support flash demos on netbeans.org site are very good. I am trying to duplicate them on my Windows XP machine. Running into #28000Access denied for user ‘root’@‘localhost’ (using password: YES) error w… --- ## [Paginate! passing params\[\] for conditions for DB search](https://www.ruby-forum.com/t/paginate-passing-params-for-conditions-for-db-search/79110)
**Author:** [@john-anes](https://www.ruby-forum.com/u/john-anes)\ **Replies:** 6\ **Last updated:** [December 13, 2006, 1:30pm UTC](https://www.ruby-forum.com/t/paginate-passing-params-for-conditions-for-db-search/79110 "2006-12-13T13:30:46Z")
Hey guys, I have stuck on pagination by passing values from a text\_field for searching a db, It works on the first page and it throws an SQL error while clicking the second page. Below is my code, guys definetly help … --- ## [Doubt in Selenium test](https://www.ruby-forum.com/t/doubt-in-selenium-test/73685)
**Author:** [@narayana](https://www.ruby-forum.com/u/narayana)\ **Replies:** 6\ **Last updated:** [October 27, 2006, 3:51pm UTC](https://www.ruby-forum.com/t/doubt-in-selenium-test/73685 "2006-10-27T15:51:44Z")
Hi guys, I am just started to do selenium test in rails. can u guys plz tell me how to write selenium test for the below code. for ex: i want to use click action in selenium test for the below code Add a Short Media … --- ## [Bug in Hash#hash? (Ruby 1.8.4)](https://www.ruby-forum.com/t/bug-in-hash-hash-ruby-1-8-4/69365)
**Author:** [@Eyal\_O](https://www.ruby-forum.com/u/Eyal_O)\ **Replies:** 6\ **Last updated:** [September 21, 2006, 4:38pm UTC](https://www.ruby-forum.com/t/bug-in-hash-hash-ruby-1-8-4/69365 "2006-09-21T16:38:15Z")
Hi, say one = {:a=\>:b} then one.hash != one.clone.hash is that a bug or correct? (using ruby 1.8.4 (2005-12-24) \[i486-linux\]) second question:I want to index use a hash as key in a hashtable, but it doesnt work (pr… --- ## [Linux - Rails - PostgreSQL partitioning](https://www.ruby-forum.com/t/linux-rails-postgresql-partitioning/65430)
**Author:** [@craigrails](https://www.ruby-forum.com/u/craigrails)\ **Replies:** 6\ **Last updated:** [August 19, 2006, 4:04pm UTC](https://www.ruby-forum.com/t/linux-rails-postgresql-partitioning/65430 "2006-08-19T16:04:53Z")
I am getting some larger hard drives and will migrate my intranet application onto the new hard drives. I am using CentOS 4. The current setup uses one small boot volume (ext2) and the rest is partitioned into one big… --- ## [\[ANN\] JobsOnRails](https://www.ruby-forum.com/t/ann-jobsonrails/54719)
**Author:** [@bensinc](https://www.ruby-forum.com/u/bensinc)\ **Replies:** 6\ **Last updated:** [March 13, 2006, 8:50pm UTC](https://www.ruby-forum.com/t/ann-jobsonrails/54719 "2006-03-13T20:50:36Z")
Announcing… JobsOnRails! I’m creating on a Ruby on Rails oriented job site and will be launching in the next few weeks. It’s a Rails-centric place for developers and employers to get in touch with a minimum of hassle. … --- ## [Newb question about facade columns](https://www.ruby-forum.com/t/newb-question-about-facade-columns/75969)
**Author:** [@Rachel\_McConnell](https://www.ruby-forum.com/u/Rachel_McConnell)\ **Replies:** 6\ **Last updated:** [March 3, 2006, 4:37am UTC](https://www.ruby-forum.com/t/newb-question-about-facade-columns/75969 "2006-03-03T04:37:21Z")
Hello, I am trying to deal with a database table that contains a date in the form of the number of seconds since epoch. Data is inserted in this format by an existing script that I can’t change, so a schema change i… --- ## [Subversion 1.3.0 released](https://www.ruby-forum.com/t/subversion-1-3-0-released/51526)
**Author:** [@Kouhei\_S](https://www.ruby-forum.com/u/Kouhei_S)\ **Replies:** 6\ **Last updated:** [February 20, 2006, 4:05pm UTC](https://www.ruby-forum.com/t/subversion-1-3-0-released/51526 "2006-02-20T16:05:57Z")
Hi, Subversion 1.3.0 is released: http://subversion.tigris.org/servlets/ReadMsg?list=users&msgNo=42941 All functions of Subversion can be used with Ruby from this release. There are some known bugs, little memory ma… --- ## [Routing and forms](https://www.ruby-forum.com/t/routing-and-forms/49687)
**Author:** [@mad4dos](https://www.ruby-forum.com/u/mad4dos)\ **Replies:** 6\ **Last updated:** [December 7, 2005, 7:43pm UTC](https://www.ruby-forum.com/t/routing-and-forms/49687 "2005-12-07T19:43:12Z")
please can some one explain how to solve this problem … how do you route the http get data from a form currently it produces a url like this \> http://10.1.0.10/admin/view/7?number=1 i would like it be like this \> htt… --- ## [Easiest way to play w/ source](https://www.ruby-forum.com/t/easiest-way-to-play-w-source/48731)
**Author:** [@benanderson.us](https://www.ruby-forum.com/u/benanderson.us)\ **Replies:** 6\ **Last updated:** [November 24, 2005, 3:46pm UTC](https://www.ruby-forum.com/t/easiest-way-to-play-w-source/48731 "2005-11-24T15:46:06Z")
Hi, So, I’m looking into possibly adding the functionality I mentioned in my last note. What’s the easiest way for me to play with the source? I’ve got the svn repo checked out. Can I just have webbrick somehow poi… --- ## [CGRAN downtime](https://www.ruby-forum.com/t/cgran-downtime/159883)
**Author:** [@george\_n](https://www.ruby-forum.com/u/george_n)\ **Replies:** 8\ **Last updated:** [February 16, 2009, 6:57pm UTC](https://www.ruby-forum.com/t/cgran-downtime/159883 "2009-02-16T18:57:00Z")
Hi all, CGRAN will likely be down for several hours today while we work on assigning it its own IP address and updating its SSL certificate. George --- ## [Still missing the boat on class/instance methods](https://www.ruby-forum.com/t/still-missing-the-boat-on-class-instance-methods/144981)
**Author:** [@laredotornado](https://www.ruby-forum.com/u/laredotornado)\ **Replies:** 8\ **Last updated:** [August 8, 2008, 7:39pm UTC](https://www.ruby-forum.com/t/still-missing-the-boat-on-class-instance-methods/144981 "2008-08-08T19:39:43Z")
Hi, Yesterday the group was kind enough to explain distinctions between class and instance methods, but I guess I still missed something b/c I’m getting an error. I have this method in my EcOrder model … class EcOrd… --- ## [Need Help With Find(:all) and conditions](https://www.ruby-forum.com/t/need-help-with-find-all-and-conditions/67791)
**Author:** [@johnk](https://www.ruby-forum.com/u/johnk)\ **Replies:** 8\ **Last updated:** [September 8, 2006, 3:06am UTC](https://www.ruby-forum.com/t/need-help-with-find-all-and-conditions/67791 "2006-09-08T03:06:35Z")
I have a USER model and a TAG model and they have a has\_and\_belongs\_to relationships between them. I want to Tag.find(:all) … but I only want to return tags that have at least one association with at user. Bonus geek… --- ## [Proxy](https://www.ruby-forum.com/t/proxy/243750)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [December 30, 2015, 6:30pm UTC](https://www.ruby-forum.com/t/proxy/243750 "2015-12-30T18:30:54Z")
In my local machine browser, I want to open http://localhost/abc to proxy a real http://www.abc.com/ as well as proxying all child resources such as http://localhost/abc/bcd/a.html to proxy http://www.abc.com/bcd/a.ht… --- ## [The reason behind introducing insertion order in hashes in 1.9.0](https://www.ruby-forum.com/t/the-reason-behind-introducing-insertion-order-in-hashes-in-1-9-0/243480)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [November 15, 2015, 1:02pm UTC](https://www.ruby-forum.com/t/the-reason-behind-introducing-insertion-order-in-hashes-in-1-9-0/243480 "2015-11-15T13:02:16Z")
Hi, I’m doing a research for a blogpost. I want to find out what was the reason behind adding insertion order to hashes in Ruby 1.9.0. My findings led me to a thread on ruby-list. \[1\] It’s in Japanese and unfortunate… --- ## [Handling Chrome popups in Ruby using Watir](https://www.ruby-forum.com/t/handling-chrome-popups-in-ruby-using-watir/241953)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [May 16, 2015, 1:51am UTC](https://www.ruby-forum.com/t/handling-chrome-popups-in-ruby-using-watir/241953 "2015-05-16T01:51:04Z")
Hi All, I am trying to handle the chrome popup that shows when saving some file “Keep and Discard” in my Automation Script.But no luck i tried RAutomation even then no luck. Can someone help how to handle this in Rub… --- ## [Channel Model Block; 'epsilon'](https://www.ruby-forum.com/t/channel-model-block-epsilon/215194)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [December 29, 2011, 4:24am UTC](https://www.ruby-forum.com/t/channel-model-block-epsilon/215194 "2011-12-29T04:24:44Z")
I am confused about the channel model block: It needs the following parameters: Creates a channel model that includes: - AWGN noise power in terms of noise voltage - A frequency offest in the channel in ratio … --- ## [Développeur Rails 3](https://www.ruby-forum.com/t/developpeur-rails-3/210262)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [August 19, 2011, 12:05pm UTC](https://www.ruby-forum.com/t/developpeur-rails-3/210262 "2011-08-19T12:05:24Z")
Bonjour, Dans le cadre d’un de nos projets, nous recherchons pour compléter notre équipe un développeur Ruby On Rails 3 disponible immédiatement. Descriptif de la mission : En collaboration avec l’équipe actuelle, dé… --- ## [Paperclip - could not find generator](https://www.ruby-forum.com/t/paperclip-could-not-find-generator/210653)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [August 13, 2011, 2:52pm UTC](https://www.ruby-forum.com/t/paperclip-could-not-find-generator/210653 "2011-08-13T14:52:48Z")
Hello there, I installed plugin “paperclip” for working with images, but after running a command rails generate paperclip user avatar I am getting error Could not find generator paperclip. If I will try run a command … --- ## [Gnuradio and Uhd on windows, installation problem](https://www.ruby-forum.com/t/gnuradio-and-uhd-on-windows-installation-problem/205603)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [April 10, 2011, 2:42pm UTC](https://www.ruby-forum.com/t/gnuradio-and-uhd-on-windows-installation-problem/205603 "2011-04-10T14:42:05Z")
Hi everyone, I have an USRP1 and trying to get it work under Win environment. I read some informations from http://www.joshknows.com/gnuradio\_portand from this forum according to that I downloaded everything from h… --- ## [How to route localhost:3000/redirect/www.google.com?](https://www.ruby-forum.com/t/how-to-route-localhost-3000-redirect-www-google-com/171497)
**Author:** [@arunmehta](https://www.ruby-forum.com/u/arunmehta)\ **Replies:** 1\ **Last updated:** [July 3, 2009, 4:24pm UTC](https://www.ruby-forum.com/t/how-to-route-localhost-3000-redirect-www-google-com/171497 "2009-07-03T16:24:30Z")
I would like to filter all incoming pages via my local rails server, so I would like to access the web by typing a url into my browser along the lines of: http://localhost:3000/redirect/www.google.com I have a contro… --- ## [Validation errors via .rjs alert](https://www.ruby-forum.com/t/validation-errors-via-rjs-alert/124586)
**Author:** [@roslind](https://www.ruby-forum.com/u/roslind)\ **Replies:** 1\ **Last updated:** [December 30, 2007, 11:17pm UTC](https://www.ruby-forum.com/t/validation-errors-via-rjs-alert/124586 "2007-12-30T23:17:03Z")
Hallo Leute, ich möchte in einer Action ein Model validieren und im negativen Falle via rjs ein Alert mit allen Flashmeldungen generieren. In meiner action: @error = "Es gab Fehler: " @valid = true if not … --- ## [Executing a Java jar file from my Rails app](https://www.ruby-forum.com/t/executing-a-java-jar-file-from-my-rails-app/114338)
**Author:** [@matt](https://www.ruby-forum.com/u/matt)\ **Replies:** 1\ **Last updated:** [September 11, 2007, 9:43pm UTC](https://www.ruby-forum.com/t/executing-a-java-jar-file-from-my-rails-app/114338 "2007-09-11T21:43:44Z")
Using the following as a reference: http://wiki.rubyonrails.org/rails/pages/HowtoGenerateJFreeCharts I’m trying to build some charts and I need to call a .jar file from within my controller. Here’s my code: pipe = I… --- ## [Why is enumObj.find\_all deprecated? It's a Ruby method](https://www.ruby-forum.com/t/why-is-enumobj-find-all-deprecated-its-a-ruby-method/85143)
**Author:** [@jose](https://www.ruby-forum.com/u/jose)\ **Replies:** 1\ **Last updated:** [February 10, 2007, 3:16pm UTC](https://www.ruby-forum.com/t/why-is-enumobj-find-all-deprecated-its-a-ruby-method/85143 "2007-02-10T15:16:17Z")
I just saw the deprecation message for enumObj.find\_all appear in the Irb environment… DEPRECATION WARNING: find\_all is deprecated and will be removed from Rails 2.0 (use find(:all, …) instead) See http:// www.rubyo… --- ## [Static content](https://www.ruby-forum.com/t/static-content/242526)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [June 30, 2015, 11:50pm UTC](https://www.ruby-forum.com/t/static-content/242526 "2015-06-30T23:50:41Z")
Hi, I have NGinx 1.8.0 installed successfully and configured NGinx… with upstream servers provided. NGinx and Services are deployed on separate machines. Now, when an request is made via NGinx, the service is invoked … --- ## [Group posts by month,archive display](https://www.ruby-forum.com/t/group-posts-by-month-archive-display/234339)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 4\ **Last updated:** [February 27, 2015, 1:29pm UTC](https://www.ruby-forum.com/t/group-posts-by-month-archive-display/234339 "2015-02-27T13:29:09Z")
if i click on month i want to display only that months blog posts,this is an existing code which is working fine for few months not for all,where am i doing wrong ,should i change the code.can any one help me out.and … --- ## [Method parenthesis - beginner question](https://www.ruby-forum.com/t/method-parenthesis-beginner-question/238453)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [January 11, 2014, 9:28pm UTC](https://www.ruby-forum.com/t/method-parenthesis-beginner-question/238453 "2014-01-11T21:28:49Z")
Hello, I’m going through a book which presents an example from which I’m a bit confused over. Here’s the example; class Person def initialize(name) set\_name(name) end def name @first\_name + ’ ’ + @last\_name en… --- ## [Methods to access device IP inside a firewall through production ROR app](https://www.ruby-forum.com/t/methods-to-access-device-ip-inside-a-firewall-through-production-ror-app/227599)
**Author:** [@Gregory\_Perrin](https://www.ruby-forum.com/u/Gregory_Perrin)\ **Replies:** 4\ **Last updated:** [March 22, 2013, 9:13pm UTC](https://www.ruby-forum.com/t/methods-to-access-device-ip-inside-a-firewall-through-production-ror-app/227599 "2013-03-22T21:13:39Z")
I have a ROR application that needs to access a device with it’s own IP within my firewall. Within the network, the device IP is accessible through Ruby scripts utilizing TCP/IP protocol. I need a list of possible me… --- ## [Executing iptables command from module](https://www.ruby-forum.com/t/executing-iptables-command-from-module/221321)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 4\ **Last updated:** [July 12, 2012, 7:25am UTC](https://www.ruby-forum.com/t/executing-iptables-command-from-module/221321 "2012-07-12T07:25:18Z")
I would like to implement iptables into my module, now I want to know if I should even try to do this. I know the worker processes don’t run as root but the master does. So this most likely means I would need to utili… --- ## [Expected … to define Base](https://www.ruby-forum.com/t/expected-to-define-base/220413)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 4\ **Last updated:** [June 10, 2012, 2:44am UTC](https://www.ruby-forum.com/t/expected-to-define-base/220413 "2012-06-10T02:44:09Z")
I new to rails. I have a setup in the lib directory like so: lib/ blog/ core/ search/ base.rb The base.rb defines the Base class as well: module Blog module Core module Search class Base attr\_accessor :pro… --- ## [Directive only for certain alias](https://www.ruby-forum.com/t/directive-only-for-certain-alias/211274)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [August 31, 2011, 4:04pm UTC](https://www.ruby-forum.com/t/directive-only-for-certain-alias/211274 "2011-08-31T16:04:01Z")
Hi guys! I’ve been using nginx for a while and I’m very pleased with it’s performance. However, I didn’t manage to setup one thing, maybe someone has an idea… Before using nginx, I used apache and I had a configurati… --- ## [Rails 3 with TinyMce](https://www.ruby-forum.com/t/rails-3-with-tinymce/206427)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [May 3, 2011, 5:48am UTC](https://www.ruby-forum.com/t/rails-3-with-tinymce/206427 "2011-05-03T05:48:50Z")
Hi, I’m using TinyMce with Rails 3 to input rich text. when i enter a text into tinymce editor , the text is saved in the database as text so a p tag is added to the text!!. i need some help Best regards. --- ## [UHD IP Address Setting Issue](https://www.ruby-forum.com/t/uhd-ip-address-setting-issue/199200)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 4\ **Last updated:** [November 17, 2010, 12:57pm UTC](https://www.ruby-forum.com/t/uhd-ip-address-setting-issue/199200 "2010-11-17T12:57:17Z")
Hi all, I’m trying to get a MIMO setup working using USRP2s with the UHD drivers. I have a PC with 2 gigabit Ethernet interfaces, and a USRP2 connected to each. My problem is that I can’t change the USRP2 IP address … --- ## [\[Bug #3471\]\[Rejected\] ./miniruby sample/test.rb$B$G(B1NotOK](https://www.ruby-forum.com/t/bug-3471-rejected-miniruby-sample-test-rb-b-g-b1notok/190632)
**Author:** [@Shyouhei\_U](https://www.ruby-forum.com/u/Shyouhei_U)\ **Replies:** 4\ **Last updated:** [June 24, 2010, 6:32pm UTC](https://www.ruby-forum.com/t/bug-3471-rejected-miniruby-sample-test-rb-b-g-b1notok/190632 "2010-06-24T18:32:55Z")
e$B%A%1%C%He(B #3471 e$B$,99?7$5$l$^$7$?!#e(B (by Shyouhei U.) e$B%9%F!\<%?%9e(B Opene$B$+$ie(BRejectede$B$KJQ99e(B ./miniruby sample/test.rb e$B$=$l$Oe(Bminirubye$B$G5/F0$7$F$$$k$+$i$G$9!#e(Bsample/test.rbe$B$Oe(B… --- ## [Overrun problem on gr-sounder project](https://www.ruby-forum.com/t/overrun-problem-on-gr-sounder-project/187410)
**Author:** [@Yan\_N](https://www.ruby-forum.com/u/Yan_N)\ **Replies:** 4\ **Last updated:** [April 22, 2010, 11:37pm UTC](https://www.ruby-forum.com/t/overrun-problem-on-gr-sounder-project/187410 "2010-04-22T23:37:06Z")
Hi Johnathan, I’m modifying the gr-sounder project to transmit a 113-bit legendre sequence of the bandwith 32kHz and upconvert to certain frequency in the range 1MHz to 20MHz. At receiver side, the received signal is … --- ## [Problem with partial rendering for groups of objects](https://www.ruby-forum.com/t/problem-with-partial-rendering-for-groups-of-objects/187299)
**Author:** [@Adler\_Santos](https://www.ruby-forum.com/u/Adler_Santos)\ **Replies:** 4\ **Last updated:** [April 22, 2010, 2:13pm UTC](https://www.ruby-forum.com/t/problem-with-partial-rendering-for-groups-of-objects/187299 "2010-04-22T14:13:37Z")
I have a total of 30 Project thumbnails that I’m planning to render in groups of 8 in my index page. I’m going to put a “next” button that will replace the present group with the next 8 thumbnails, and so on until one… --- ## [Undifined local variable or method error](https://www.ruby-forum.com/t/undifined-local-variable-or-method-error/187128)
**Author:** [@simbolla](https://www.ruby-forum.com/u/simbolla)\ **Replies:** 4\ **Last updated:** [April 18, 2010, 10:57am UTC](https://www.ruby-forum.com/t/undifined-local-variable-or-method-error/187128 "2010-04-18T10:57:59Z")
Hi all, Below is my code h={} arr=\[\] def gethash h\[1\]=0 return h end arr\[0\]=gethash puts arr\[0\].each {|k,v| puts “key #{k} value #{v}”} For the above i get error saying “Undifined local variable or method ‘h’ … --- ## [Re: Parsing pdf files](https://www.ruby-forum.com/t/re-parsing-pdf-files/174247)
**Author:** [@Axel\_E](https://www.ruby-forum.com/u/Axel_E)\ **Replies:** 4\ **Last updated:** [August 23, 2009, 4:51pm UTC](https://www.ruby-forum.com/t/re-parsing-pdf-files/174247 "2009-08-23T16:51:03Z")
Dear Arun, there is a command-line tool pdftotext, which you can use with encoding specifications and also with a “-layout” option, which will preserve line breaks. The list of possible encodings pdftotext -listenc … --- ## [Datamapper/AppEngine: "org.jruby.RubyClass is not a supported property type"](https://www.ruby-forum.com/t/datamapper-appengine-org-jruby-rubyclass-is-not-a-supported-property-type/169648)
**Author:** [@chriscole](https://www.ruby-forum.com/u/chriscole)\ **Replies:** 4\ **Last updated:** [June 7, 2009, 9:44pm UTC](https://www.ruby-forum.com/t/datamapper-appengine-org-jruby-rubyclass-is-not-a-supported-property-type/169648 "2009-06-07T21:44:42Z")
I’m using the latest trunk of appengine-apis-0.0.4 and the dm-appengine-0.0.1 gem to talk to DataMapper (0.10.0) on App Engine via JRuby (1.3rc) on Rails. I thought this configuration was compatible. However, when I t… --- ## [Attachment\_fu issue](https://www.ruby-forum.com/t/attachment-fu-issue/169464)
**Author:** [@milandobrota](https://www.ruby-forum.com/u/milandobrota)\ **Replies:** 4\ **Last updated:** [June 4, 2009, 7:01pm UTC](https://www.ruby-forum.com/t/attachment-fu-issue/169464 "2009-06-04T19:01:23Z")
When you use attachment\_fu plugin you have to use one of the image processing libraries. However, when more of them are installed I get the error: no such file to load – application.rb How can I force attachment\_fu to… --- ## [Why .send?](https://www.ruby-forum.com/t/why-send/165919)
**Author:** [@danfrost](https://www.ruby-forum.com/u/danfrost)\ **Replies:** 4\ **Last updated:** [April 22, 2009, 12:40pm UTC](https://www.ruby-forum.com/t/why-send/165919 "2009-04-22T12:40:18Z")
Hi all, Could anyone tell me why you use .send when callling “include” in rails plugins?? E.g. ActiveRecord::Base.send :include, SomeClass::ClassMethods Cheers, Dan --- ## [Hello](https://www.ruby-forum.com/t/hello/165674)
**Author:** [@Fanch\_Sainte\_Marie](https://www.ruby-forum.com/u/Fanch_Sainte_Marie)\ **Replies:** 4\ **Last updated:** [April 17, 2009, 11:44am UTC](https://www.ruby-forum.com/t/hello/165674 "2009-04-17T11:44:02Z")
Bonjour vous tous, François dis Fanch Sainte Marie. Je suis le petit dernier sur la liste. ayant déjà tâté de rail, dans mon cursus de formation, dans mon nouveau job, nous allons avoir de nombreux développement en Ru… [Previous page](https://www.ruby-forum.com/top.md?page=1208&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1210&per_page=50)