# Top **URL:** https://www.ruby-forum.com/top.md?page=1783 [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:** 1784 --- ## [Questions](https://www.ruby-forum.com/t/questions/220702)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [June 17, 2012, 7:58pm UTC](https://www.ruby-forum.com/t/questions/220702 "2012-06-17T19:58:13Z")
Hi all , i have some questions : In " ./gr-digital/python/ofdm\_packet\_utils.py " file : 1- in pkt\_dt = ’ ’ . join ((payload\_with\_crc ,’\\x55’)) What is ‘\\x55’ representing to , i found it “U” in ASCII . Why U … --- ## [GMSK MOD question](https://www.ruby-forum.com/t/gmsk-mod-question/220540)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [June 13, 2012, 3:42pm UTC](https://www.ruby-forum.com/t/gmsk-mod-question/220540 "2012-06-13T15:42:25Z")
Hi Everyone, My name is VIvian and I am working with GMSK modulation. I have a little doubt about it. I am transmitting a cosine signal using UHD sink and source blocks, USRP1, daughter board RFX 2400. The spectrum … --- ## [Asset pipeline/coffeescript triggering event twice instead of once](https://www.ruby-forum.com/t/asset-pipeline-coffeescript-triggering-event-twice-instead-of-once/218468)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [April 2, 2012, 12:20am UTC](https://www.ruby-forum.com/t/asset-pipeline-coffeescript-triggering-event-twice-instead-of-once/218468 "2012-04-02T00:20:47Z")
This does not make any sense to me: I have a model called TypeWell along with it controller and forms. If I attach a jQuery event Handler using old fashioned Javascript code to its form partial like shown below: :ja… --- ## [Which widget?](https://www.ruby-forum.com/t/which-widget/210242)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [August 3, 2011, 5:12pm UTC](https://www.ruby-forum.com/t/which-widget/210242 "2011-08-03T17:12:48Z")
please see my attachment ,which widget the region1,region2 is? how to make it?? --- ## [ScriptEngineManager and Ruby 1.9 on a script-by-script basis](https://www.ruby-forum.com/t/scriptenginemanager-and-ruby-1-9-on-a-script-by-script-basis/205320)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [April 6, 2011, 9:27pm UTC](https://www.ruby-forum.com/t/scriptenginemanager-and-ruby-1-9-on-a-script-by-script-basis/205320 "2011-04-06T21:27:23Z")
Hi all. I found this documented in the Wiki: System.setProperty("org.jruby.embed.compat.version", "JRuby1.9"); JRubyScriptEngineManager manager = new JRubyScriptEngineManager(); JRubyEngine engine = (JRubyEngine) manag… --- ## [Get server address (rails server)](https://www.ruby-forum.com/t/get-server-address-rails-server/111394)
**Author:** [@patternhunter](https://www.ruby-forum.com/u/patternhunter)\ **Replies:** 1\ **Last updated:** [November 8, 2010, 4:56pm UTC](https://www.ruby-forum.com/t/get-server-address-rails-server/111394 "2010-11-08T16:56:38Z")
I have google map web application on rails. google map needs API key that depends on server address. ex) example.com:3000 and example.com:4000 need different API key I have API key for several addresses in database e… --- ## [Specs inside subfolder of lib folder not displaying proper error messages](https://www.ruby-forum.com/t/specs-inside-subfolder-of-lib-folder-not-displaying-proper-error-messages/195034)
**Author:** [@Manish\_Manchanda](https://www.ruby-forum.com/u/Manish_Manchanda)\ **Replies:** 1\ **Last updated:** [September 15, 2010, 5:24pm UTC](https://www.ruby-forum.com/t/specs-inside-subfolder-of-lib-folder-not-displaying-proper-error-messages/195034 "2010-09-15T17:24:50Z")
hi im facing this issue in which if i place a failing spec inside a subfolder of my lib folder then along with the error message the file name and the line number is not shown. output as below: ‘Test one’ FAILED e… --- ## [Bundle Install issue](https://www.ruby-forum.com/t/bundle-install-issue/192783)
**Author:** [@Huet](https://www.ruby-forum.com/u/Huet)\ **Replies:** 1\ **Last updated:** [August 9, 2010, 10:01am UTC](https://www.ruby-forum.com/t/bundle-install-issue/192783 "2010-08-09T10:01:43Z")
Hi all, Sorry for the long rambling post, but I thought it would be best to list my GEMS and Gemfile here as well. I have got myself a new laptop that is running unbuntu 10.4 and I am porting my code from a ubuntu 9.… --- ## [Nginx as SSL terminating server](https://www.ruby-forum.com/t/nginx-as-ssl-terminating-server/192294)
**Author:** [@joshua](https://www.ruby-forum.com/u/joshua)\ **Replies:** 1\ **Last updated:** [July 29, 2010, 12:06am UTC](https://www.ruby-forum.com/t/nginx-as-ssl-terminating-server/192294 "2010-07-29T00:06:45Z")
We have the following setup: firewall → single nginx instance (SSL termination) → haproxy → multiple nginx/unicorn instances (via unix socket) Is it recommendable to turn request buffering off at the first nginx? Id… --- ## [Libxml: uninitialized constant](https://www.ruby-forum.com/t/libxml-uninitialized-constant/191635)
**Author:** [@avsej](https://www.ruby-forum.com/u/avsej)\ **Replies:** 1\ **Last updated:** [July 15, 2010, 7:20pm UTC](https://www.ruby-forum.com/t/libxml-uninitialized-constant/191635 "2010-07-15T19:20:48Z")
Hi all! I try to use libxml-ruby with my ROR-application and get the following error message: “uninitialized constant AdminController::XML”. From controller file: require ‘rubygems’ require ‘xml/libxml’ … parser =… --- ## [Page caching when name contains a dot (period)](https://www.ruby-forum.com/t/page-caching-when-name-contains-a-dot-period/102035)
**Author:** [@dnstevenson](https://www.ruby-forum.com/u/dnstevenson)\ **Replies:** 1\ **Last updated:** [April 15, 2010, 3:21am UTC](https://www.ruby-forum.com/t/page-caching-when-name-contains-a-dot-period/102035 "2010-04-15T03:21:16Z")
Hi Everyone, Just thought I’d post some details of an interesting little quirk I’ve found with page caching. For a site I’ve just built for a small music festival, there are a number of artist profiles. I’m storin… --- ## [ActionMailer::Base.delivery\_method](https://www.ruby-forum.com/t/actionmailer-base-delivery-method/178576)
**Author:** [@aprendiz\_ror](https://www.ruby-forum.com/u/aprendiz_ror)\ **Replies:** 1\ **Last updated:** [December 1, 2009, 1:21pm UTC](https://www.ruby-forum.com/t/actionmailer-base-delivery-method/178576 "2009-12-01T13:21:30Z")
Buenas, tengo una pequeña aplicacion que envia correos(cuando creo un usuario con restful\_authentication), en mi casa con widows funciona, pero cuando la instalo en la empresa que se sale por un proxy no me envia cor… --- ## [Name parameter to rbgerr\_define\_gerror should be const gchar \*](https://www.ruby-forum.com/t/name-parameter-to-rbgerr-define-gerror-should-be-const-gchar/164647)
**Author:** [@Nikolai\_W](https://www.ruby-forum.com/u/Nikolai_W)\ **Replies:** 1\ **Last updated:** [April 4, 2009, 2:54am UTC](https://www.ruby-forum.com/t/name-parameter-to-rbgerr-define-gerror-should-be-const-gchar/164647 "2009-04-04T02:54:05Z")
The name parameter to rbgerr\_define\_gerror should be const gchar \*, not gchar \*. (I’m still trying to remember what my password was for my account so that I can apply CVS patches again.) --- ## [Problems with EasyEclipse Ruby Rails 1.2.2.2](https://www.ruby-forum.com/t/problems-with-easyeclipse-ruby-rails-1-2-2-2/157133)
**Author:** [@kwaku](https://www.ruby-forum.com/u/kwaku)\ **Replies:** 1\ **Last updated:** [January 8, 2009, 10:43am UTC](https://www.ruby-forum.com/t/problems-with-easyeclipse-ruby-rails-1-2-2-2/157133 "2009-01-08T10:43:34Z")
Hi, I’m a real newbie both in Rails and Ubuntu but I’m going to learn Ruby on Rails for a schoolproject. I’ve tried to find out what IDE is best according to different tutorials and blogs and have chosen to download … --- ## [What kind of spectrum sensing method does usrp use?](https://www.ruby-forum.com/t/what-kind-of-spectrum-sensing-method-does-usrp-use/150960)
**Author:** [@Su\_Jinzhao](https://www.ruby-forum.com/u/Su_Jinzhao)\ **Replies:** 1\ **Last updated:** [October 15, 2008, 8:25pm UTC](https://www.ruby-forum.com/t/what-kind-of-spectrum-sensing-method-does-usrp-use/150960 "2008-10-15T20:25:34Z")
Hi, I want to do some research on cognitive radio network with usrp, so I am more concern about what kind of spectrum sensing method does usrp adopt? I know that there are such spectrum sensing methods at present t… --- ## [Video demo maybe for documentation?](https://www.ruby-forum.com/t/video-demo-maybe-for-documentation/149476)
**Author:** [@jjkooij](https://www.ruby-forum.com/u/jjkooij)\ **Replies:** 1\ **Last updated:** [September 25, 2008, 7:30am UTC](https://www.ruby-forum.com/t/video-demo-maybe-for-documentation/149476 "2008-09-25T07:30:44Z")
I’ve done a little demo on converting a html design into a working website in under 15 minutes. http://www.jasperkooij.com/100-days-ruby-on-rails/day-2-doing-a-demo Can I add this to the Theme section in the Summer Re… --- ## [Re: how to avoid passing by reference and how to copy objects](https://www.ruby-forum.com/t/re-how-to-avoid-passing-by-reference-and-how-to-copy-objects/147070)
**Author:** [@stickstone](https://www.ruby-forum.com/u/stickstone)\ **Replies:** 1\ **Last updated:** [August 28, 2008, 10:06am UTC](https://www.ruby-forum.com/t/re-how-to-avoid-passing-by-reference-and-how-to-copy-objects/147070 "2008-08-28T10:06:03Z")
Its basically like (probably IS under the hood) Pointers. so for some arrays a and b a = b thats basically copying the pointers themselves. So whatever changes i make in A will be reflected in B. Roughly. The Arra… --- ## ['Links' in Ruby Gtk](https://www.ruby-forum.com/t/links-in-ruby-gtk/146282)
**Author:** [@roxah](https://www.ruby-forum.com/u/roxah)\ **Replies:** 1\ **Last updated:** [August 20, 2008, 10:23am UTC](https://www.ruby-forum.com/t/links-in-ruby-gtk/146282 "2008-08-20T10:23:59Z")
Hello all, I’m trying to extend the rSQLiteGUI application to play well with relational databases. For data in columns that link to rows in other tables, I’d like for a user to be able to click on the id and have the … --- ## [Ajax to redisplay](https://www.ruby-forum.com/t/ajax-to-redisplay/142897)
**Author:** [@jturney](https://www.ruby-forum.com/u/jturney)\ **Replies:** 7\ **Last updated:** [July 13, 2008, 4:37pm UTC](https://www.ruby-forum.com/t/ajax-to-redisplay/142897 "2008-07-13T16:37:24Z")
Hi, I have a button that displays “Show form.” When a user clicks on it, I want the form to be display on the page without having to reload the page. This is what I’ve got so far: controller action #show\_add\_user r… --- ## [ActiveRecord Caching?](https://www.ruby-forum.com/t/activerecord-caching/136634)
**Author:** [@rbjl](https://www.ruby-forum.com/u/rbjl)\ **Replies:** 1\ **Last updated:** [May 4, 2008, 11:32pm UTC](https://www.ruby-forum.com/t/activerecord-caching/136634 "2008-05-04T23:32:59Z")
ja hallo erstmal,… ich habe gerade ein blaues Wunder mit Rails 1.2.6 erlebt: Eine edit-View für Model zieht irgendwas zwischen 30 und 100 Referenzierte Objekte, für die alle ACLs überprüft werden. D.h. für jedes dies… --- ## [Von acts\_as\_tree, acts\_as\_nested\_set migrieren](https://www.ruby-forum.com/t/von-acts-as-tree-acts-as-nested-set-migrieren/125622)
**Author:** [@rbjl](https://www.ruby-forum.com/u/rbjl)\ **Replies:** 1\ **Last updated:** [January 11, 2008, 11:57am UTC](https://www.ruby-forum.com/t/von-acts-as-tree-acts-as-nested-set-migrieren/125622 "2008-01-11T11:57:01Z")
ja hallo erstmal,… ich stehe hier vor einem kleinen Problem: Wir haben eine kleine Materialverwaltung. Material ist in Gruppen aufgeteilt: Beispiel: Ein Schraubendreher ist Teil des Satzes “Schraubendreher Paket”, d… --- ## [Singleton pattern vs Class variables and methods](https://www.ruby-forum.com/t/singleton-pattern-vs-class-variables-and-methods/114589)
**Author:** [@winterheat](https://www.ruby-forum.com/u/winterheat)\ **Replies:** 1\ **Last updated:** [September 17, 2007, 1:25pm UTC](https://www.ruby-forum.com/t/singleton-pattern-vs-class-variables-and-methods/114589 "2007-09-17T13:25:21Z")
There seems to be a big thing about the Singleton Pattern… and the way to implement it, but what about just using class variables and class methods to do the job? So for example, the class Jukebox can have an object L… --- ## [Want to convert html table to image file, how?](https://www.ruby-forum.com/t/want-to-convert-html-table-to-image-file-how/109296)
**Author:** [@glenn\_nz](https://www.ruby-forum.com/u/glenn_nz)\ **Replies:** 1\ **Last updated:** [July 13, 2007, 3:49pm UTC](https://www.ruby-forum.com/t/want-to-convert-html-table-to-image-file-how/109296 "2007-07-13T15:49:37Z")
Hi all, This is my first time on this list so I hope I’m not breaking any ettiquette rule by posting here. I have been using ruby and rails for about 3 months now and enjoying it quite alot. I am working on a projec… --- ## [How to retry a disrupted Net::HTTP download?](https://www.ruby-forum.com/t/how-to-retry-a-disrupted-net-http-download/105893)
**Author:** [@chriscole](https://www.ruby-forum.com/u/chriscole)\ **Replies:** 1\ **Last updated:** [June 5, 2007, 11:39am UTC](https://www.ruby-forum.com/t/how-to-retry-a-disrupted-net-http-download/105893 "2007-06-05T11:39:49Z")
Hi, I’m trying to download a file with Ruby from a website. Everything works fine, but I can’t get Ruby to retry the download when for example the internet connection breaks during the download. Here’s my code so far… --- ## [Net::HTTP performance difference: FreeBSD vs. Ubuntu?](https://www.ruby-forum.com/t/net-http-performance-difference-freebsd-vs-ubuntu/103320)
**Author:** [@JSWook](https://www.ruby-forum.com/u/JSWook)\ **Replies:** 1\ **Last updated:** [May 4, 2007, 9:46am UTC](https://www.ruby-forum.com/t/net-http-performance-difference-freebsd-vs-ubuntu/103320 "2007-05-04T09:46:49Z")
Strange ruby network performance drop examined on Ubuntu. I made a simple HTTP testing code like below. redirect\_url = “http://www.talk-with-hani.com/feed” success\_url = “http://www.daum.net” invalid\_url = “http://… --- ## [AAF, drb and UTF-8](https://www.ruby-forum.com/t/aaf-drb-and-utf-8/92992)
**Author:** [@Wiktor](https://www.ruby-forum.com/u/Wiktor)\ **Replies:** 1\ **Last updated:** [April 26, 2007, 3:00pm UTC](https://www.ruby-forum.com/t/aaf-drb-and-utf-8/92992 "2007-04-26T15:00:31Z")
Hi all, After switching from “regular” AAF to drb based my app is no longer handling nonlatin chars. Any hints? --- ## [Flash attachment](https://www.ruby-forum.com/t/flash-attachment/91632)
**Author:** [@keith](https://www.ruby-forum.com/u/keith)\ **Replies:** 1\ **Last updated:** [April 10, 2007, 11:57pm UTC](https://www.ruby-forum.com/t/flash-attachment/91632 "2007-04-10T23:57:26Z")
All, I want to add a flash mp3 player to all pages but the flash player has to be in the same folder as the page to play - this means that each page (eg. /info/) cannot access the flash. As the site is not static I c… --- ## [RE: Problems with How to Write a Signal ProcessingBlock](https://www.ruby-forum.com/t/re-problems-with-how-to-write-a-signal-processingblock/83950)
**Author:** [@Bahn\_William\_L\_Civ\_S](https://www.ruby-forum.com/u/Bahn_William_L_Civ_S)\ **Replies:** 1\ **Last updated:** [January 31, 2007, 3:12am UTC](https://www.ruby-forum.com/t/re-problems-with-how-to-write-a-signal-processingblock/83950 "2007-01-31T03:12:19Z")
As a test, I went into the howto\_square\_ff.cc file and changed it so that it adds instead of multiplies (so doubles instead of squares). The make check still passed without problems. If I introduced a syntax error, th… --- ## [How can i split a text field for a phone number?](https://www.ruby-forum.com/t/how-can-i-split-a-text-field-for-a-phone-number/76441)
**Author:** [@guest](https://www.ruby-forum.com/u/guest)\ **Replies:** 1\ **Last updated:** [November 19, 2006, 5:24am UTC](https://www.ruby-forum.com/t/how-can-i-split-a-text-field-for-a-phone-number/76441 "2006-11-19T05:24:05Z")
Hello, I need to split the phone number into three fields (000) 000 0000. --- ## [Export options, multi-blogs](https://www.ruby-forum.com/t/export-options-multi-blogs/65435)
**Author:** [@joshs](https://www.ruby-forum.com/u/joshs)\ **Replies:** 1\ **Last updated:** [August 18, 2006, 4:49am UTC](https://www.ruby-forum.com/t/export-options-multi-blogs/65435 "2006-08-18T04:49:21Z")
I’m going to set up an internal blog at work, and was considering using Typo. But I may eventually want to move to another blog engine and don’t want to be locked in. I recall seeing some emails a few days back abou… --- ## [Using date\_box](https://www.ruby-forum.com/t/using-date-box/100948)
**Author:** [@gwen\_campbell](https://www.ruby-forum.com/u/gwen_campbell)\ **Replies:** 1\ **Last updated:** [August 2, 2006, 3:19am UTC](https://www.ruby-forum.com/t/using-date-box/100948 "2006-08-02T03:19:02Z")
I’m trying to figure out how to use the datebox\_engine in an edit view. I’m still new at this, so my terminology might be slightly off here; please bare with me :slight\_smile: I can drop datebox in to my \_form.rhtml, … --- ## [WWW::Mechanize and file uploading](https://www.ruby-forum.com/t/www-mechanize-and-file-uploading/56319)
**Author:** [@mgreenly](https://www.ruby-forum.com/u/mgreenly)\ **Replies:** 1\ **Last updated:** [March 30, 2006, 10:05pm UTC](https://www.ruby-forum.com/t/www-mechanize-and-file-uploading/56319 "2006-03-30T22:05:29Z")
Hello all, I am fairly new to Ruby and I am loving every minute of it. I’ve been doing a lot of reading on Ruby and I really like what I’ve seen thus far. I am in the process of converting some Perl WWW::Mechanize c… --- ## [Looking for Ruby equivalent to Perl's FindBin](https://www.ruby-forum.com/t/looking-for-ruby-equivalent-to-perls-findbin/52647)
**Author:** [@cnick](https://www.ruby-forum.com/u/cnick)\ **Replies:** 1\ **Last updated:** [January 17, 2006, 3:42pm UTC](https://www.ruby-forum.com/t/looking-for-ruby-equivalent-to-perls-findbin/52647 "2006-01-17T15:42:50Z")
I am looking for a Ruby equivalent to Perl’s FindBin module. What I am trying to do is reference other scripts and data relative to the Ruby script I am calling, not my current working directory. For example, in Perl… --- ## [Acts\_as\_paranoid --\> undefined method \`constrain' for class](https://www.ruby-forum.com/t/acts-as-paranoid-undefined-method-constrain-for-class/47996)
**Author:** [@sam](https://www.ruby-forum.com/u/sam)\ **Replies:** 1\ **Last updated:** [November 15, 2005, 9:37pm UTC](https://www.ruby-forum.com/t/acts-as-paranoid-undefined-method-constrain-for-class/47996 "2005-11-15T21:37:40Z")
Hi All, So I thought I had this acts\_as\_paranoid problem previously and fixed by going to rails 0.14.2, although I’m not 100% it was the same thing. I’m now on rails 0.14.3 and I’m getting: undefined method constrain… --- ## [Editor for newbie](https://www.ruby-forum.com/t/editor-for-newbie/201150)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [December 31, 2010, 9:24pm UTC](https://www.ruby-forum.com/t/editor-for-newbie/201150 "2010-12-31T21:24:49Z")
I’ve just started to play with Ruby. I’m using Windows XP. What is the best text editor/IDE to use? I have good experience with vi, intermediate experience with emacs, and have used a number of others such as TextPad,… --- ## [GeoIP Module](https://www.ruby-forum.com/t/geoip-module/199912)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 5\ **Last updated:** [December 1, 2010, 10:04pm UTC](https://www.ruby-forum.com/t/geoip-module/199912 "2010-12-01T22:04:41Z")
Hey Guys, I have run into a problem with the geo module. I have set up a geo list containing a LARGE list of IPs which we need to have “whitelisted” for getting through to the upstream. These IPs are for search engine… --- ## [DSL and indirection question](https://www.ruby-forum.com/t/dsl-and-indirection-question/198062)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 5\ **Last updated:** [October 25, 2010, 10:52pm UTC](https://www.ruby-forum.com/t/dsl-and-indirection-question/198062 "2010-10-25T22:52:37Z")
I’m trying to figure out the best way of writing a script that describes various requirements in the form of “12.34.56” (from a requirement document) that I can then create methods for reporting, verifying and remedia… --- ## [Use of a "bulletin board" system in lieu of a mailing-list discussion](https://www.ruby-forum.com/t/use-of-a-bulletin-board-system-in-lieu-of-a-mailing-list-discussion/194344)
**Author:** [@danhobbs](https://www.ruby-forum.com/u/danhobbs)\ **Replies:** 5\ **Last updated:** [September 3, 2010, 3:30pm UTC](https://www.ruby-forum.com/t/use-of-a-bulletin-board-system-in-lieu-of-a-mailing-list-discussion/194344 "2010-09-03T15:30:46Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid http://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [Array](https://www.ruby-forum.com/t/array/180063)
**Author:** [@mercurius](https://www.ruby-forum.com/u/mercurius)\ **Replies:** 5\ **Last updated:** [December 10, 2009, 6:28pm UTC](https://www.ruby-forum.com/t/array/180063 "2009-12-10T18:28:29Z")
I’m making a sample library of songs. Table name is ‘Songs’. Columns are appropriate with Artist, Album etc. I have a show page for each record which displays information about the song. I want the list to display in … --- ## [Rails can't connect to MySQL](https://www.ruby-forum.com/t/rails-cant-connect-to-mysql/179749)
**Author:** [@sithadmin](https://www.ruby-forum.com/u/sithadmin)\ **Replies:** 5\ **Last updated:** [December 3, 2009, 4:05am UTC](https://www.ruby-forum.com/t/rails-cant-connect-to-mysql/179749 "2009-12-03T04:05:45Z")
Hey guys, I’m trying to run a db:migrate but I keep getting errors… I’m running Rails 2.3.2, Ruby 1.8.6, and MySQL 5.1.38. This is how my database.yml is set up: development: adapter: mysql database: chirp host: l… --- ## [Just found a round problem](https://www.ruby-forum.com/t/just-found-a-round-problem/179573)
**Author:** [@rubynut](https://www.ruby-forum.com/u/rubynut)\ **Replies:** 5\ **Last updated:** [November 29, 2009, 7:24pm UTC](https://www.ruby-forum.com/t/just-found-a-round-problem/179573 "2009-11-29T19:24:06Z")
irb(main):026:0\> 10.499999999999999.round =\> 10 irb(main):027:0\> 10.4999999999999999.round =\> 11 Does this happen due to the float problem in any languages including ruby? Thanks. --- ## [Gem libray name conflict problem](https://www.ruby-forum.com/t/gem-libray-name-conflict-problem/170932)
**Author:** [@phasis](https://www.ruby-forum.com/u/phasis)\ **Replies:** 5\ **Last updated:** [June 24, 2009, 3:01pm UTC](https://www.ruby-forum.com/t/gem-libray-name-conflict-problem/170932 "2009-06-24T15:01:15Z")
Hi all, When I saw “require ‘inline’” in a ruby file, I thought the gem is ‘inline’. So I runned “gem install inline” and it installed. But the ruby file failed to run. After some inspection, I runned “gem install Ru… --- ## [Validates problem](https://www.ruby-forum.com/t/validates-problem/161771)
**Author:** [@giga](https://www.ruby-forum.com/u/giga)\ **Replies:** 5\ **Last updated:** [March 3, 2009, 6:43am UTC](https://www.ruby-forum.com/t/validates-problem/161771 "2009-03-03T06:43:55Z")
Validation: validates\_presence\_of :name validates\_length\_of :name, :maximum =\> 150 validates\_inclusion\_of :category, :in =\> %w( X Y XY ) validates\_length\_of :gender, :maximum =\> 3 validates\_length\_of :tag, :within … --- ## [How can a code block access an object's variables?](https://www.ruby-forum.com/t/how-can-a-code-block-access-an-objects-variables/138978)
**Author:** [@rubynut](https://www.ruby-forum.com/u/rubynut)\ **Replies:** 5\ **Last updated:** [May 29, 2008, 10:30pm UTC](https://www.ruby-forum.com/t/how-can-a-code-block-access-an-objects-variables/138978 "2008-05-29T22:30:27Z")
Dear Rubyists, I am a novice Ruby developer who is interested in figuring out a way to design something like what is demonstrated below. The reason why each\_line would not work in this example is because when you pas… --- ## [With statement](https://www.ruby-forum.com/t/with-statement/124990)
**Author:** [@ole](https://www.ruby-forum.com/u/ole)\ **Replies:** 5\ **Last updated:** [January 4, 2008, 5:12pm UTC](https://www.ruby-forum.com/t/with-statement/124990 "2008-01-04T17:12:06Z")
I’m pretty sure ruby doesn’t have a with statement. Is it possible to emulate one? --- ## [13h mode?](https://www.ruby-forum.com/t/13h-mode/115255)
**Author:** [@p0l4r](https://www.ruby-forum.com/u/p0l4r)\ **Replies:** 5\ **Last updated:** [September 23, 2007, 9:25am UTC](https://www.ruby-forum.com/t/13h-mode/115255 "2007-09-23T09:25:54Z")
Hi i have a question is it possible to run 13h mode using ruby+asm ? --- ## [Ruby on Rails projects](https://www.ruby-forum.com/t/ruby-on-rails-projects/115124)
**Author:** [@MrSWatson](https://www.ruby-forum.com/u/MrSWatson)\ **Replies:** 5\ **Last updated:** [September 21, 2007, 7:57pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-projects/115124 "2007-09-21T19:57:37Z")
How do you fully delete a rails project? I have deleted the whole project in the rails application folder, but it does NOT delete the SQL and other files within the whole project. Can anyone tell me how I can do this?… --- ## [Joining/referencing tables](https://www.ruby-forum.com/t/joining-referencing-tables/108895)
**Author:** [@dark-omen](https://www.ruby-forum.com/u/dark-omen)\ **Replies:** 5\ **Last updated:** [July 10, 2007, 3:29am UTC](https://www.ruby-forum.com/t/joining-referencing-tables/108895 "2007-07-10T03:29:16Z")
I am wondering if any one could explain table relationships for me using rails. What I am trying to do requires the joining of a product and the comments for the product, with the user information of whom posted the c… --- ## [\[SoC\] Ariel 0.1.0 released](https://www.ruby-forum.com/t/soc-ariel-0-1-0-released/66013)
**Author:** [@ASSSBradbury](https://www.ruby-forum.com/u/ASSSBradbury)\ **Replies:** 5\ **Last updated:** [September 4, 2006, 2:46pm UTC](https://www.ruby-forum.com/t/soc-ariel-0-1-0-released/66013 "2006-09-04T14:46:09Z")
= Ariel release 0.1.0 == About - Ariel: A Ruby I.rmation Extraction Library Ariel is a library that allows you to extract information from semi-structured documents (such as websites). It is different to existing too… --- ## [Rescuing a 'require'](https://www.ruby-forum.com/t/rescuing-a-require/67161)
**Author:** [@Garance\_A\_Drosehn](https://www.ruby-forum.com/u/Garance_A_Drosehn)\ **Replies:** 5\ **Last updated:** [September 2, 2006, 10:41pm UTC](https://www.ruby-forum.com/t/rescuing-a-require/67161 "2006-09-02T22:41:10Z")
I wanted to use Socket.gethostname to get the current hostname without executing a unix command. So: require ‘socket’ $this\_host = Socket.gethostname I have to run this code on several platforms, and it turned out t… [Previous page](https://www.ruby-forum.com/top.md?page=1782&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1784&per_page=50)