# Top **URL:** https://www.ruby-forum.com/top.md?page=1073 [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:** 1074 --- ## [Synchronization between blocks](https://www.ruby-forum.com/t/synchronization-between-blocks/238793)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 6\ **Last updated:** [February 4, 2014, 2:42pm UTC](https://www.ruby-forum.com/t/synchronization-between-blocks/238793 "2014-02-04T14:42:17Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid https://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [Is there anyway to get all the class with their instance methods names to be available and to see th](https://www.ruby-forum.com/t/is-there-anyway-to-get-all-the-class-with-their-instance-methods-names-to-be-available-and-to-see-th/229858)
**Author:** [@my-ruby](https://www.ruby-forum.com/u/my-ruby)\ **Replies:** 6\ **Last updated:** [February 5, 2013, 11:57pm UTC](https://www.ruby-forum.com/t/is-there-anyway-to-get-all-the-class-with-their-instance-methods-names-to-be-available-and-to-see-th/229858 "2013-02-05T23:57:57Z")
Is there anyway to get all the class with their instance methods names to be available and to see them in the IRB terminal itself? I am using Nokogiri and Selenium- web driver. If not found “Google” is the only option… --- ## [Good books about the internals of Rails 3](https://www.ruby-forum.com/t/good-books-about-the-internals-of-rails-3/223066)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [January 10, 2013, 3:59pm UTC](https://www.ruby-forum.com/t/good-books-about-the-internals-of-rails-3/223066 "2013-01-10T15:59:16Z")
Hi, I’m a new RoR and Ruby developer and I’m searching for some good resources (books or website) that go a little further than books like the railstutorial (which is excellent btw). But after reading this, I feel lik… --- ## [Sorting an array of string-integer identifiers](https://www.ruby-forum.com/t/sorting-an-array-of-string-integer-identifiers/225030)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [December 8, 2012, 4:38pm UTC](https://www.ruby-forum.com/t/sorting-an-array-of-string-integer-identifiers/225030 "2012-12-08T16:38:33Z")
Hi All, I have an array like this. \[\[“question\_7\_pdx\_0”, “”\], \[“question\_7\_sdx\_3”, “4”\], \[“question\_7\_cpt\_2”, “”\], \[“question\_7\_icd9px\_0”, “”\], \[“question\_7\_sdx\_0”, “1”\], \[“question\_7\_sdx\_8”, “”\], \[“question\_7\_sdx\_1… --- ## [My rails application on Debian](https://www.ruby-forum.com/t/my-rails-application-on-debian/200658)
**Author:** [@nikuSESS](https://www.ruby-forum.com/u/nikuSESS)\ **Replies:** 6\ **Last updated:** [December 19, 2010, 9:42pm UTC](https://www.ruby-forum.com/t/my-rails-application-on-debian/200658 "2010-12-19T21:42:05Z")
Hello! I moved my rails application from win to deb-server (in order to get more performance) but i don’t know where to place it… What path/to/folder is accepted? /opt/rails/myapp or /usr/src/myapp or some other? --- ## [Nested has\_many queries in AR?](https://www.ruby-forum.com/t/nested-has-many-queries-in-ar/197758)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 6\ **Last updated:** [October 19, 2010, 10:40pm UTC](https://www.ruby-forum.com/t/nested-has-many-queries-in-ar/197758 "2010-10-19T22:40:19Z")
Aaa has\_many Bbb and Bbb has\_many Ccc. There is no :through involved. Ccc table does not have a FK back to Aaa. (Legacy schema.) An instance of aaa can easily query with aaa.bbb.find (or .paginate), but aaa.bbb.ccc.pa… --- ## [Ruby regexpresion](https://www.ruby-forum.com/t/ruby-regexpresion/195154)
**Author:** [@woow](https://www.ruby-forum.com/u/woow)\ **Replies:** 6\ **Last updated:** [September 17, 2010, 10:23pm UTC](https://www.ruby-forum.com/t/ruby-regexpresion/195154 "2010-09-17T22:23:26Z")
(21:15:32:873) SMART\>\> Starting Process ‘/abs/nc/qwcy/xyz’. pid 11560 I want to parse the following few things from the above string (21:15:32:873) xyz pid 11560 and output as below, (21:15:32:873), xyz, pid 11560 … --- ## [\[Bug #3371\] test-all aborted on amd64 lenny](https://www.ruby-forum.com/t/bug-3371-test-all-aborted-on-amd64-lenny/189404)
**Author:** [@Kazuhiro\_NISHIYAMA](https://www.ruby-forum.com/u/Kazuhiro_NISHIYAMA)\ **Replies:** 6\ **Last updated:** [June 17, 2010, 4:22pm UTC](https://www.ruby-forum.com/t/bug-3371-test-all-aborted-on-amd64-lenny/189404 "2010-06-17T16:22:23Z")
Bug #3371: test-all aborted on amd64 lenny http://redmine.ruby-lang.org/issues/show/3371 e$B5/I\<\ **Author:** [@van](https://www.ruby-forum.com/u/van)\ **Replies:** 6\ **Last updated:** [October 20, 2009, 11:44pm UTC](https://www.ruby-forum.com/t/how-do-i-install-ror/177610 "2009-10-20T23:44:59Z") I want to create a website similar to craigslist but I am having trouble installing ROR. I have no idea how and seek help. Do I have to upload Ruby, RubyGem, and then the Rails onto my server, then install it ? TIA --- ## [\[ANN\] WiceGrid Plugin version 0.5](https://www.ruby-forum.com/t/ann-wicegrid-plugin-version-0-5/177486)
**Author:** [@yuleven](https://www.ruby-forum.com/u/yuleven)\ **Replies:** 6\ **Last updated:** [October 19, 2009, 4:58pm UTC](https://www.ruby-forum.com/t/ann-wicegrid-plugin-version-0-5/177486 "2009-10-19T16:58:28Z")
Hello all, WiceGrid plugin version 0.5 is released. WiceGrid is a Rails grid plugin. A list of changes: http://leikind.org/2009/10/18/wicegrid-version-0-5 Examples online: http://grid.leikind.org/ Homepage: WiceGrid… --- ## [Background daemon](https://www.ruby-forum.com/t/background-daemon/173033)
**Author:** [@penelope](https://www.ruby-forum.com/u/penelope)\ **Replies:** 6\ **Last updated:** [August 7, 2009, 6:34pm UTC](https://www.ruby-forum.com/t/background-daemon/173033 "2009-08-07T18:34:46Z")
It’s sending e-mail every hour, but I changed to sleep for a day, but keep send the e-mail by hour. I don’t know what to do to send daily. Could somebody help me? thanks ############ mailer.rb ############### #!/us… --- ## [How to force RDoc not to parse a file?](https://www.ruby-forum.com/t/how-to-force-rdoc-not-to-parse-a-file/172831)
**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\ **Replies:** 6\ **Last updated:** [July 28, 2009, 10:46pm UTC](https://www.ruby-forum.com/t/how-to-force-rdoc-not-to-parse-a-file/172831 "2009-07-28T22:46:31Z")
Hi, I want to include a text file (LICENSE.txt) in the RDoc documentation. However, I don’t want RDoc to parse it, instead, I want it to be displayed as text format. Is it possible with some commandline option of rdoc… --- ## [Nokogiri 1.2.3 Released](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607)
**Author:** [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Replies:** 6\ **Last updated:** [March 23, 2009, 11:44pm UTC](https://www.ruby-forum.com/t/nokogiri-1-2-3-released/163607 "2009-03-23T23:44:02Z")
nokogiri version 1.2.3 has been released! http://nokogiri.rubyforge.org/ http://github.com/tenderlove/nokogiri/wikis http://github.com/tenderlove/nokogiri/tree/master http://rubyforge.org/mailman/listinfo/nokogiri-talk … --- ## [Ruby in a Nutshell](https://www.ruby-forum.com/t/ruby-in-a-nutshell/161662)
**Author:** [@sprsquish](https://www.ruby-forum.com/u/sprsquish)\ **Replies:** 6\ **Last updated:** [March 1, 2009, 5:35pm UTC](https://www.ruby-forum.com/t/ruby-in-a-nutshell/161662 "2009-03-01T17:35:15Z")
I’m thinking of buying & reading Ruby in a Nutshell (O’Reilly, 2001), but am concerned that it may be outdated. The stable version at the time of publication was Ruby 1.6. Is this still worth the investment? I’m rea… --- ## [SQL search](https://www.ruby-forum.com/t/sql-search/161590)
**Author:** [@giga](https://www.ruby-forum.com/u/giga)\ **Replies:** 6\ **Last updated:** [February 27, 2009, 10:11pm UTC](https://www.ruby-forum.com/t/sql-search/161590 "2009-02-27T22:11:18Z")
How I write it in rails format? Articles.find( ???) SELECT \*, MATCH(title, body) AGAINST(’$keyword’) AS score FROM articles WHERE MATCH(title, body) AGAINST(’$keyword’) ORDER BY score DESC --- ## [How? Why? Production Woes](https://www.ruby-forum.com/t/how-why-production-woes/148127)
**Author:** [@jeremy](https://www.ruby-forum.com/u/jeremy)\ **Replies:** 6\ **Last updated:** [January 4, 2009, 10:53pm UTC](https://www.ruby-forum.com/t/how-why-production-woes/148127 "2009-01-04T22:53:11Z")
So, I can migrate without error in development, but when I migrate in production I get what’s below. The gems are the same, rails is the same version…what am I missing? \[root@uranus current\]# rake db:migrate RAILS\_EN… --- ## [Getting the comments(RDoc/ri) while running](https://www.ruby-forum.com/t/getting-the-comments-rdoc-ri-while-running/153219)
**Author:** [@Vassilis\_R](https://www.ruby-forum.com/u/Vassilis_R)\ **Replies:** 6\ **Last updated:** [November 14, 2008, 5:48pm UTC](https://www.ruby-forum.com/t/getting-the-comments-rdoc-ri-while-running/153219 "2008-11-14T17:48:26Z")
The problem: There is this parser, dynamically extensible with methods from modules. In very mundane fashion the methods have a standard prefix (like Test::Unit does it) so there is no problem getting the list of the … --- ## [Best way to validate input values](https://www.ruby-forum.com/t/best-way-to-validate-input-values/151159)
**Author:** [@jicksta](https://www.ruby-forum.com/u/jicksta)\ **Replies:** 6\ **Last updated:** [October 18, 2008, 2:32am UTC](https://www.ruby-forum.com/t/best-way-to-validate-input-values/151159 "2008-10-18T02:32:28Z")
Hi, I have a form that submits values from text fields and a check box. The values posted are: camp location name, number of nights, number of parents, number of children, value from the check box “family claim”. Wher… --- ## [Git tries to delete when doing git add](https://www.ruby-forum.com/t/git-tries-to-delete-when-doing-git-add/142503)
**Author:** [@asoto](https://www.ruby-forum.com/u/asoto)\ **Replies:** 6\ **Last updated:** [July 10, 2008, 3:06pm UTC](https://www.ruby-forum.com/t/git-tries-to-delete-when-doing-git-add/142503 "2008-07-10T15:06:51Z")
Sorry, I know this is a git post, but I don’t really know where else to post this besides the official git mailing list, and I don’t want to post it there, because something this obvious surely can’t be a bug. Here’s … --- ## [What's wrong with Mongrel?](https://www.ruby-forum.com/t/whats-wrong-with-mongrel/132392)
**Author:** [@sebastian](https://www.ruby-forum.com/u/sebastian)\ **Replies:** 6\ **Last updated:** [April 16, 2008, 12:35am UTC](https://www.ruby-forum.com/t/whats-wrong-with-mongrel/132392 "2008-04-16T00:35:10Z")
I’ve recently moved to a new system, Mac OS X 10.5, which has Rails and Mongrel installed by default. Yet when I fire up the server with “script/server”, Webrick is used instead of Mongrel. And when trying to force th… --- ## [Update issue](https://www.ruby-forum.com/t/update-issue/133088)
**Author:** [@tharrisx](https://www.ruby-forum.com/u/tharrisx)\ **Replies:** 6\ **Last updated:** [March 27, 2008, 5:35pm UTC](https://www.ruby-forum.com/t/update-issue/133088 "2008-03-27T17:35:00Z")
Hi there, can anyone please tell me what’s wrong with the following line? (It must be so simple but I’ve been trying to find the error for so long…) Message.update\_all (:read =\> true, 'target\_id = #{session\[:user\_id\]… --- ## [Ruby Lex Specification](https://www.ruby-forum.com/t/ruby-lex-specification/118732)
**Author:** [@vascoas](https://www.ruby-forum.com/u/vascoas)\ **Replies:** 6\ **Last updated:** [October 31, 2007, 7:45am UTC](https://www.ruby-forum.com/t/ruby-lex-specification/118732 "2007-10-31T07:45:44Z")
Hi, Where can i find a ruby (1.8.6) syntax specification? If that specification means a file in the source, no problem for me. Thanks, Vasco Andrade e Silva --- ## [Irb, to learn more](https://www.ruby-forum.com/t/irb-to-learn-more/117219)
**Author:** [@john\_old](https://www.ruby-forum.com/u/john_old)\ **Replies:** 6\ **Last updated:** [October 15, 2007, 5:26am UTC](https://www.ruby-forum.com/t/irb-to-learn-more/117219 "2007-10-15T05:26:24Z")
Here’s an interesting thing you can do in irb: irb You can run an instance of irb within irb. How very Ruby!? In irb you can also do this: methods (or my preferred approach…) methods.sort irb itself has some inter… --- ## [Best way to thin out controller](https://www.ruby-forum.com/t/best-way-to-thin-out-controller/104143)
**Author:** [@vinnie](https://www.ruby-forum.com/u/vinnie)\ **Replies:** 6\ **Last updated:** [May 14, 2007, 7:57pm UTC](https://www.ruby-forum.com/t/best-way-to-thin-out-controller/104143 "2007-05-14T19:57:42Z")
Sorry for such a nub question but How would I move the majority of this logic to the model? def save\_sub page = Page.find(params\[:id\]) subpage = page.children.create(params\[:form\]) if subpage.save flash\[:notice\] =… --- ## [Dynamic (database driven) Routes Problems](https://www.ruby-forum.com/t/dynamic-database-driven-routes-problems/84007)
**Author:** [@Paul\_Odeon](https://www.ruby-forum.com/u/Paul_Odeon)\ **Replies:** 6\ **Last updated:** [January 31, 2007, 6:23pm UTC](https://www.ruby-forum.com/t/dynamic-database-driven-routes-problems/84007 "2007-01-31T18:23:45Z")
Hi all, I’m a relative Rails Noob developing a CMS using rails. I have designed it so that all the public urls are created using an admin tool and stored in a database. I then want to use routes to direct the visitor… --- ## [Extension progress](https://www.ruby-forum.com/t/extension-progress/81603)
**Author:** [@Todd\_McGrath](https://www.ruby-forum.com/u/Todd_McGrath)\ **Replies:** 6\ **Last updated:** [January 11, 2007, 12:32pm UTC](https://www.ruby-forum.com/t/extension-progress/81603 "2007-01-11T12:32:10Z")
Hello again, I’m making some progress on extensions and now I’m looking for a little push in the right direction. I’m working on an extension for displaying data from database for the FAQ section of a site using ta… --- ## [Enterprise Ruby Studio](https://www.ruby-forum.com/t/enterprise-ruby-studio/98026)
**Author:** [@mikec](https://www.ruby-forum.com/u/mikec)\ **Replies:** 6\ **Last updated:** [July 13, 2006, 4:06am UTC](https://www.ruby-forum.com/t/enterprise-ruby-studio/98026 "2006-07-13T04:06:22Z")
ENTERPRISE RUBY STUDIO Announcing a new offering from Pragmatic Studio: An Enterprise Ruby Studio to be held September 11-13 in Boston, MA. Learn how to use the power and expressiveness of Ruby, and how to use it as… --- ## [Determining a class's ancestor easily without instances](https://www.ruby-forum.com/t/determining-a-classs-ancestor-easily-without-instances/98146)
**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\ **Replies:** 6\ **Last updated:** [July 12, 2006, 9:02pm UTC](https://www.ruby-forum.com/t/determining-a-classs-ancestor-easily-without-instances/98146 "2006-07-12T21:02:52Z")
Given two classes A and B, I know that I can loop through the superclasses of A to determine it it’s a descendant of B. Is there a more expedient way to do this - something like “is\_a?” but at the class level (since i… --- ## [I want to stick my models in a module](https://www.ruby-forum.com/t/i-want-to-stick-my-models-in-a-module/62758)
**Author:** [@pergesu](https://www.ruby-forum.com/u/pergesu)\ **Replies:** 6\ **Last updated:** [June 8, 2006, 6:06am UTC](https://www.ruby-forum.com/t/i-want-to-stick-my-models-in-a-module/62758 "2006-06-08T06:06:27Z")
I’ve got enough models now that I’d like to separate them into modules. For example, I have the class Player that I want to stick in the Trainer module. I’ve changed the definition to class Trainer::Player I’ve cre… --- ## [New Release: One-Click Ruby Installer 1.8.4-17 release candi](https://www.ruby-forum.com/t/new-release-one-click-ruby-installer-1-8-4-17-release-candi/59516)
**Author:** [@curthibbs](https://www.ruby-forum.com/u/curthibbs)\ **Replies:** 6\ **Last updated:** [May 3, 2006, 9:01pm UTC](https://www.ruby-forum.com/t/new-release-one-click-ruby-installer-1-8-4-17-release-candi/59516 "2006-05-03T21:01:58Z")
We are almost there to a final release. The uninstall issues have been fixed, and a few packages have been upgraded to more recent versions. Many thanks to Ryan L. and Shahank Date who stepped in to help finish off … --- ## [\[Ruby Social Club\] Free Book](https://www.ruby-forum.com/t/ruby-social-club-free-book/59092)
**Author:** [@chiaroscuro](https://www.ruby-forum.com/u/chiaroscuro)\ **Replies:** 6\ **Last updated:** [May 3, 2006, 7:08pm UTC](https://www.ruby-forum.com/t/ruby-social-club-free-book/59092 "2006-05-03T19:08:31Z")
ho dato un’occhiata per il libro che possiamo prendere free dall’Oreilly. le mie proposte in ordine: Head First Design Patterns (gli esempi sono java però. il libro è molto chiaro) Ruby Cookbook Rails Recipes Best o… --- ## ["Pursuit of Happiness" ? Are you sure?](https://www.ruby-forum.com/t/pursuit-of-happiness-are-you-sure/57424)
**Author:** [@Dylan\_S](https://www.ruby-forum.com/u/Dylan_S)\ **Replies:** 6\ **Last updated:** [April 12, 2006, 3:41am UTC](https://www.ruby-forum.com/t/pursuit-of-happiness-are-you-sure/57424 "2006-04-12T03:41:18Z")
I always kind of liked this title (the title of Davids super Rails presentation), but then I saw this quote today: “The pursuit of happiness is a most ridiculous phrase; if you pursue happiness you’ll never find it.” … --- ## [Rails app in professional development environment](https://www.ruby-forum.com/t/rails-app-in-professional-development-environment/54467)
**Author:** [@mshah](https://www.ruby-forum.com/u/mshah)\ **Replies:** 6\ **Last updated:** [March 8, 2006, 9:39am UTC](https://www.ruby-forum.com/t/rails-app-in-professional-development-environment/54467 "2006-03-08T09:39:24Z")
I’ve been working on my rails app which will be a web app that i want to launch as a business. Being new to rails i’m wondering what professional web app developers do for their development environment. Right now i’… --- ## [One To Many To Many](https://www.ruby-forum.com/t/one-to-many-to-many/72844)
**Author:** [@Neal\_L](https://www.ruby-forum.com/u/Neal_L)\ **Replies:** 6\ **Last updated:** [February 24, 2006, 7:53pm UTC](https://www.ruby-forum.com/t/one-to-many-to-many/72844 "2006-02-24T19:53:31Z")
Hey all, I’m trying to find a simple way to reference all of the objects that belong to their parent’s parent. In other words: Clients --\> Orders --\> LineItems How do I get all of a client’s lineitems in one array (… --- ## [Login\_engine - auth against email rather that username?](https://www.ruby-forum.com/t/login-engine-auth-against-email-rather-that-username/55846)
**Author:** [@tomtt](https://www.ruby-forum.com/u/tomtt)\ **Replies:** 6\ **Last updated:** [January 3, 2006, 12:10am UTC](https://www.ruby-forum.com/t/login-engine-auth-against-email-rather-that-username/55846 "2006-01-03T00:10:04Z")
Hi all, Short of hacking the code apart, is there a method making the login\_engine authenticate against email address rather than username? I find that people rarely remember usernames, and would prefer to use email … --- ## [Nginx-1.3.14](https://www.ruby-forum.com/t/nginx-1-3-14/227143)
**Author:** [@Maxim\_D](https://www.ruby-forum.com/u/Maxim_D)\ **Replies:** 5\ **Last updated:** [March 13, 2013, 4:13pm UTC](https://www.ruby-forum.com/t/nginx-1-3-14/227143 "2013-03-13T16:13:01Z")
Changes with nginx 1.3.14 05 Mar 2013 \*) Feature: $connections\_active, $connections\_reading, and $connections\_writing variables in the ngx\_http\_stub\_status\_module. \*) Featur… --- ## [Latency time](https://www.ruby-forum.com/t/latency-time/229729)
**Author:** [@gflopa](https://www.ruby-forum.com/u/gflopa)\ **Replies:** 5\ **Last updated:** [February 18, 2013, 7:18pm UTC](https://www.ruby-forum.com/t/latency-time/229729 "2013-02-18T19:18:20Z")
Hi list I am novice developer with gnuradio and uhd (USRPN210). Where can i find the value of the usual time of latency between host computer and usrp. Thanks --- ## [Rails 2 to Rails 3 mysql migration?](https://www.ruby-forum.com/t/rails-2-to-rails-3-mysql-migration/226401)
**Author:** [@jeffpritchard](https://www.ruby-forum.com/u/jeffpritchard)\ **Replies:** 5\ **Last updated:** [September 14, 2012, 9:55am UTC](https://www.ruby-forum.com/t/rails-2-to-rails-3-mysql-migration/226401 "2012-09-14T09:55:44Z")
I have an old rails project that is currently in Rails 2.3 I’m about to undertake updating the project to Rails 3.2. The old project’s production server is on mysql 5.0 and has a medium size database (not huge, but ce… --- ## [Possible HTTP response read bug in Nginx 1.0.12](https://www.ruby-forum.com/t/possible-http-response-read-bug-in-nginx-1-0-12/218528)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [April 4, 2012, 1:10pm UTC](https://www.ruby-forum.com/t/possible-http-response-read-bug-in-nginx-1-0-12/218528 "2012-04-04T13:10:22Z")
Hi, I’ve nginx server setup that terminates SSL connections from clients and forwards plain HTTP requests to backend servers. Some of these requests can last pretty long (up to 1 minute) and usually get very short 15 … --- ## [Problem with clear cache](https://www.ruby-forum.com/t/problem-with-clear-cache/214962)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [December 20, 2011, 11:39am UTC](https://www.ruby-forum.com/t/problem-with-clear-cache/214962 "2011-12-20T11:39:30Z")
Hi, I am using Nginx 1.0.10 and purge module 1.4. But i have a problem with clear cache. Example: http://myserver/test.html → can clear cache with http://myserver/purge/test.html http://myserver/ → can not clear ca… --- ## [Why's (poignant) Guide to Ruby](https://www.ruby-forum.com/t/whys-poignant-guide-to-ruby/208182)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [August 13, 2011, 10:30pm UTC](https://www.ruby-forum.com/t/whys-poignant-guide-to-ruby/208182 "2011-08-13T22:30:39Z")
I am reading “why’s (poignant) Guide to Ruby”, which is both entertaining and an excellent introduction to Ruby. In Chapter 5, “Them What Make the Rules and Them What Live the Dream”, I stumble on such a obvious error… --- ## [AREL probelm with postgress](https://www.ruby-forum.com/t/arel-probelm-with-postgress/204127)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [March 6, 2011, 10:38pm UTC](https://www.ruby-forum.com/t/arel-probelm-with-postgress/204127 "2011-03-06T22:38:12Z")
Hi all, I am testing locally with MySQL and deploying to heroku ( postgress ) The following query seems to generate a PGError. SELECT COUNT(\*) FROM “events” INNER JOIN “events” “events\_2” WHERE (“events”.“schedule… --- ## [Event i/o in ruby una segnalazione](https://www.ruby-forum.com/t/event-i-o-in-ruby-una-segnalazione/203329)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [February 19, 2011, 8:46pm UTC](https://www.ruby-forum.com/t/event-i-o-in-ruby-una-segnalazione/203329 "2011-02-19T20:46:32Z")
tempo fa si parlava di event i/o in ruby, ho perso il messaggio originale e mi scuso se la butto cosi la cosa :slight\_smile: ma per chi fosse interessato oggi ho trovato questo, http://coolio.github.com/ spero che pos… --- ## [Object lost in memory/trashed?](https://www.ruby-forum.com/t/object-lost-in-memory-trashed/196310)
**Author:** [@jolivierld](https://www.ruby-forum.com/u/jolivierld)\ **Replies:** 5\ **Last updated:** [October 11, 2010, 5:06pm UTC](https://www.ruby-forum.com/t/object-lost-in-memory-trashed/196310 "2010-10-11T17:06:03Z")
Hi, I’ve got a problem on which I’ve spent many hours, and I can’t get a clue on what is happening… I hope someone here will be able to help me. Here is the situation : my Rails app uses acts\_as\_commentable and acts… --- ## [All domains picking same content of one site?](https://www.ruby-forum.com/t/all-domains-picking-same-content-of-one-site/184286)
**Author:** [@sam77am](https://www.ruby-forum.com/u/sam77am)\ **Replies:** 5\ **Last updated:** [February 28, 2010, 9:04pm UTC](https://www.ruby-forum.com/t/all-domains-picking-same-content-of-one-site/184286 "2010-02-28T21:04:27Z")
Hii, I am running several sites at dedicated server. Earlier i was using apache only, but now i’ve change it to nginx and now i’m using nginx with apache. But after installing inginx, my one site is working properly,… --- ## [Error al usar acento en el nombre de la tabla de la BD](https://www.ruby-forum.com/t/error-al-usar-acento-en-el-nombre-de-la-tabla-de-la-bd/180363)
**Author:** [@salma](https://www.ruby-forum.com/u/salma)\ **Replies:** 5\ **Last updated:** [December 26, 2009, 3:10pm UTC](https://www.ruby-forum.com/t/error-al-usar-acento-en-el-nombre-de-la-tabla-de-la-bd/180363 "2009-12-26T15:10:08Z")
Hola, Soy nueva en este foro y también en rails. Lo que pretendo es hacer una aplicación rails en español, he hecho todos los arreglos para que la aplicación este en UTF8. El problema que estoy teniendo es no pod… --- ## [Gnuradio in Fedora 10... what did go wrong in my installation?](https://www.ruby-forum.com/t/gnuradio-in-fedora-10-what-did-go-wrong-in-my-installation/177022)
**Author:** [@TachwaliS\_Yahia](https://www.ruby-forum.com/u/TachwaliS_Yahia)\ **Replies:** 5\ **Last updated:** [October 11, 2009, 8:27pm UTC](https://www.ruby-forum.com/t/gnuradio-in-fedora-10-what-did-go-wrong-in-my-installation/177022 "2009-10-11T20:27:44Z")
Hello G.s, I have been trying to get the Gnuradio 3.2 installed on Fedora 10 machines and I guess I am getting close except for some few things I need to fix with your help. The problem is : the ./dial\_tone.py demo d… --- ## [Che significato ha l'undescore?](https://www.ruby-forum.com/t/che-significato-ha-lundescore/172327)
**Author:** [@msan](https://www.ruby-forum.com/u/msan)\ **Replies:** 5\ **Last updated:** [July 20, 2009, 5:03pm UTC](https://www.ruby-forum.com/t/che-significato-ha-lundescore/172327 "2009-07-20T17:03:25Z")
In un esempio vedo codice di questo tipo: \<%= \_(“user not found”) %\>, oppure: flash.now\[:notice\] = \_(“Populating is only for initialization”). Notate l’undescore. Cosa significa? --- ## [How to write a DSL](https://www.ruby-forum.com/t/how-to-write-a-dsl/169835)
**Author:** [@christoph\_j](https://www.ruby-forum.com/u/christoph_j)\ **Replies:** 5\ **Last updated:** [June 9, 2009, 2:28pm UTC](https://www.ruby-forum.com/t/how-to-write-a-dsl/169835 "2009-06-09T14:28:02Z")
Hi there, I’m new to DSLs and wanted to know if someone could tell me some good and deep sources (books, long articles, examples, tutorials, etc.) for how to write DSLs with Ruby. Of course you get some hits with Go… --- ## [Parsing a file's contents](https://www.ruby-forum.com/t/parsing-a-files-contents/164743)
**Author:** [@rubyred1](https://www.ruby-forum.com/u/rubyred1)\ **Replies:** 5\ **Last updated:** [April 5, 2009, 4:56pm UTC](https://www.ruby-forum.com/t/parsing-a-files-contents/164743 "2009-04-05T16:56:00Z")
Hello all, I’m relatively new to ruby and this forum so I’m not sure I’m posting this in the right area but here goes. My problem is I have a file I want to read in, the file contains numbers in a CSV set-up like so: … [Previous page](https://www.ruby-forum.com/top.md?page=1072&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1074&per_page=50)