# Top **URL:** https://www.ruby-forum.com/top.md?page=1029 [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:** 1030 --- ## [Newbie Q: Why does scaffolding create new on 'new'?](https://www.ruby-forum.com/t/newbie-q-why-does-scaffolding-create-new-on-new/116536)
**Author:** [@jazcyk](https://www.ruby-forum.com/u/jazcyk)\ **Replies:** 5\ **Last updated:** [October 7, 2007, 4:06pm UTC](https://www.ruby-forum.com/t/newbie-q-why-does-scaffolding-create-new-on-new/116536 "2007-10-07T16:06:58Z")
Hi, Apologies for what is a very basic question, but hopefully someone can help me understand why the following is done in the Rails scaffolding: Scaffolding creates, amongst others, these two methods in a controller: … --- ## [Doc ruby ofline](https://www.ruby-forum.com/t/doc-ruby-ofline/116309)
**Author:** [@bmcolombet](https://www.ruby-forum.com/u/bmcolombet)\ **Replies:** 5\ **Last updated:** [October 4, 2007, 5:09pm UTC](https://www.ruby-forum.com/t/doc-ruby-ofline/116309 "2007-10-04T17:09:27Z")
Bonjour, Depuis quelques jours, le site http://www.ruby-doc.org/ est très lent ce qui rend la consultation de la doc ruby pénible. Ne trouvant rien de satisfaisant sur le net, je me demandais si quelqu’un avait la … --- ## [Hash.new with a block?](https://www.ruby-forum.com/t/hash-new-with-a-block/113633)
**Author:** [@7stud](https://www.ruby-forum.com/u/7stud)\ **Replies:** 5\ **Last updated:** [September 3, 2007, 10:03am UTC](https://www.ruby-forum.com/t/hash-new-with-a-block/113633 "2007-09-03T10:03:48Z")
Hi, In the code: h = Hash.new {|hash, key| hash\[key\] = \[\]} what method is yielding the values hash, key to the code block? It doesn’t seem like it could be new() since new() isn’t called when you lookup a key in a … --- ## [Uninstalling extensions](https://www.ruby-forum.com/t/uninstalling-extensions/106643)
**Author:** [@jmaenpaa](https://www.ruby-forum.com/u/jmaenpaa)\ **Replies:** 5\ **Last updated:** [June 12, 2007, 11:59pm UTC](https://www.ruby-forum.com/t/uninstalling-extensions/106643 "2007-06-12T23:59:42Z")
I just installed an extension that appears to have done nothing but break the admin/pages interface in Firefox. I ran the db:migrate and followed the install instructions for the rake task for the extension but still … --- ## [Delete in Array (if exist) and count](https://www.ruby-forum.com/t/delete-in-array-if-exist-and-count/105832)
**Author:** [@Josselin](https://www.ruby-forum.com/u/Josselin)\ **Replies:** 5\ **Last updated:** [June 3, 2007, 8:59pm UTC](https://www.ruby-forum.com/t/delete-in-array-if-exist-and-count/105832 "2007-06-03T20:59:50Z")
I am trying to delete an element from an array if it exists and count the number of item afterwards I wrote anArray = \[1,2,3,4,5,6,7,8,9\] anArray.size =\> 9 anArray.map {|e| e if e != 4}.compact =\> \[1, 2, 3, 5, 6, … --- ## [Ruby for Linux on zSeries](https://www.ruby-forum.com/t/ruby-for-linux-on-zseries/92543)
**Author:** [@Julian\_ISKamil](https://www.ruby-forum.com/u/Julian_ISKamil)\ **Replies:** 5\ **Last updated:** [April 21, 2007, 3:46am UTC](https://www.ruby-forum.com/t/ruby-for-linux-on-zseries/92543 "2007-04-21T03:46:26Z")
Hi, does anyone know if Ruby has been ported to the zSeries Linux platform and what its status is? Thanks. Julian I. Kamil removed\_email\_address@domain.invalid --- ## [Configure a rails app for multiple databases](https://www.ruby-forum.com/t/configure-a-rails-app-for-multiple-databases/76359)
**Author:** [@Maurice\_Y](https://www.ruby-forum.com/u/Maurice_Y)\ **Replies:** 5\ **Last updated:** [November 17, 2006, 10:19pm UTC](https://www.ruby-forum.com/t/configure-a-rails-app-for-multiple-databases/76359 "2006-11-17T22:19:31Z")
Hello Rails community I cannot seem to find via Google what I had hoped would be a simple issue On a single DB system (currently, postgres 8.1.4), I have two databases, each containing multiple tables. I would like … --- ## [Changing permission on a file](https://www.ruby-forum.com/t/changing-permission-on-a-file/76261)
**Author:** [@apparna](https://www.ruby-forum.com/u/apparna)\ **Replies:** 5\ **Last updated:** [November 17, 2006, 2:46pm UTC](https://www.ruby-forum.com/t/changing-permission-on-a-file/76261 "2006-11-17T14:46:07Z")
I’m trying to change permission on a file on a windows machine. This should work according to the documentation (may be i’m missing something here). But it doesn’t here is the code: take away read permission new\_perm… --- ## [RoR and Radiant on bluehost?](https://www.ruby-forum.com/t/ror-and-radiant-on-bluehost/67463)
**Author:** [@brogoz](https://www.ruby-forum.com/u/brogoz)\ **Replies:** 5\ **Last updated:** [October 3, 2006, 7:20pm UTC](https://www.ruby-forum.com/t/ror-and-radiant-on-bluehost/67463 "2006-10-03T19:20:24Z")
Hello! I’m going to buy hosting on bluehost.com, has anyone tried before this hosting? Has anyone had any problems with installing radiant or rails application on this servers? I chose this one from economic reasons … --- ## [What is wrong here](https://www.ruby-forum.com/t/what-is-wrong-here/233121)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [November 18, 2014, 8:02pm UTC](https://www.ruby-forum.com/t/what-is-wrong-here/233121 "2014-11-18T20:02:02Z")
Hello, I have to make a sort of database for movies. I have this : movies = { harry\_potter: 8} puts "Wat wil u doen : " choice = gets.chomp case choice when “add” puts “welke film wilt u toevoegen” title = gets.… --- ## [Multi Select Array - Form - Bootstrap Multiselect](https://www.ruby-forum.com/t/multi-select-array-form-bootstrap-multiselect/231483)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [August 11, 2014, 12:51am UTC](https://www.ruby-forum.com/t/multi-select-array-form-bootstrap-multiselect/231483 "2014-08-11T00:51:32Z")
Hi, I have a form where I can select one attribute and it passed on to my database. Is there any way to make multiple attributes passed on to my database just via a change in the form? Or would I have to create a ne… --- ## [Fragment Cache](https://www.ruby-forum.com/t/fragment-cache/240923)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [May 8, 2014, 12:16pm UTC](https://www.ruby-forum.com/t/fragment-cache/240923 "2014-05-08T12:16:27Z")
Ciao a tutti, e scusatemi se pongo domande che per voi possono sembrare banali, ma sto imparando Ror da solo a casa solo per Hobby, e non ho altro punto di riferimento se non questo forum… Vediamo al punto, leggendo i… --- ## [Service availability during reload](https://www.ruby-forum.com/t/service-availability-during-reload/237782)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [November 29, 2013, 1:28pm UTC](https://www.ruby-forum.com/t/service-availability-during-reload/237782 "2013-11-29T13:28:52Z")
Hello In an apache webserver with many virtual hosts, a “reload” command can cause a (quick) unavailability of the service while apache re-reads its configuration files. Does anyone have any experience with this on N… --- ## [Rewrite last using variable](https://www.ruby-forum.com/t/rewrite-last-using-variable/237165)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [October 28, 2013, 10:57am UTC](https://www.ruby-forum.com/t/rewrite-last-using-variable/237165 "2013-10-28T10:57:44Z")
Hi, consider the following simplified nginx config snippet: set $var “/url?par=val”; location = /a { rewrite ^ $var redirect; } location = /b { rewrite ^ $var last; } location = /url { proxy\_pass http://some\_ba… --- ## [Rake aborted!](https://www.ruby-forum.com/t/rake-aborted/211856)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 8\ **Last updated:** [September 15, 2011, 1:26pm UTC](https://www.ruby-forum.com/t/rake-aborted/211856 "2011-09-15T13:26:57Z")
Hi I am new to the ruby language in rhomobile application and when I execute the command $ rake run:bb it shown rake aborted and specify no rake file.anyone knows give suggestion --- ## [Net/https and VERIFY\_PEER on 1.8.7, 1.9.2 and jruby](https://www.ruby-forum.com/t/net-https-and-verify-peer-on-1-8-7-1-9-2-and-jruby/208249)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [June 16, 2011, 2:37pm UTC](https://www.ruby-forum.com/t/net-https-and-verify-peer-on-1-8-7-1-9-2-and-jruby/208249 "2011-06-16T14:37:53Z")
The following code: require 'net/https' def get\_http http = Net::HTTP.new("ssltest7.bbtest.net", 443) http.use\_ssl = true http.verify\_mode = OpenSSL::SSL::VERIFY\_PEER return http end puts "Without store: " + … --- ## [Make error](https://www.ruby-forum.com/t/make-error/198713)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 3\ **Last updated:** [November 5, 2010, 11:21pm UTC](https://www.ruby-forum.com/t/make-error/198713 "2010-11-05T23:21:50Z")
Trying to install gnuradio-3.3.0 from \*.tar ./bootstrap is ok ./configure --prefix=/usr --disable-usrp2 --disable-gr-usrp2 –disable-gr-audio-alsa --disable-gr-audio-jack --disable-gr-audio-oss –disable-gr-audio-osx -… --- ## [Size of array returned by named\_scope with :group/:select distinct](https://www.ruby-forum.com/t/size-of-array-returned-by-named-scope-with-group-select-distinct/177401)
**Author:** [@asetzler](https://www.ruby-forum.com/u/asetzler)\ **Replies:** 3\ **Last updated:** [August 5, 2010, 7:28pm UTC](https://www.ruby-forum.com/t/size-of-array-returned-by-named-scope-with-group-select-distinct/177401 "2010-08-05T19:28:43Z")
Here’s the example: $ ruby script/generate scaffold thing name:string class Thing \< ActiveRecord::Base named\_scope :distinct, :group =\> :name end :select =\> “DISTINCT things.\*” would work in the same way. Start up … --- ## [Data Modeling (sorry - sort of long)](https://www.ruby-forum.com/t/data-modeling-sorry-sort-of-long/172961)
**Author:** [@Marion\_T](https://www.ruby-forum.com/u/Marion_T)\ **Replies:** 8\ **Last updated:** [July 30, 2009, 8:41pm UTC](https://www.ruby-forum.com/t/data-modeling-sorry-sort-of-long/172961 "2009-07-30T20:41:05Z")
Hello I am not a developer. I have a project that I plan to have developed (in RoR) for a web-application to offer as a SaaS, and have spoken with several developers, but, until I have confirmed interest in the proje… --- ## [Problem when copying files somehow related to REXML](https://www.ruby-forum.com/t/problem-when-copying-files-somehow-related-to-rexml/172495)
**Author:** [@Javier\_Q](https://www.ruby-forum.com/u/Javier_Q)\ **Replies:** 3\ **Last updated:** [July 22, 2009, 11:59pm UTC](https://www.ruby-forum.com/t/problem-when-copying-files-somehow-related-to-rexml/172495 "2009-07-22T23:59:56Z")
Hi guys. I am trying to copy files from one folder to another. The code is quite simple: frompath = File.join(fromdirectory,filename) topath = File.join(todirectory,filename) FileUtils.cp(frompath, topath) The… --- ## [Rewriting for revisioned URLs](https://www.ruby-forum.com/t/rewriting-for-revisioned-urls/168510)
**Author:** [@Brian\_Kirkbride](https://www.ruby-forum.com/u/Brian_Kirkbride)\ **Replies:** 8\ **Last updated:** [May 21, 2009, 9:02pm UTC](https://www.ruby-forum.com/t/rewriting-for-revisioned-urls/168510 "2009-05-21T21:02:08Z")
Hi all, I’m trying to switch us from LigHTTPD to NginX and have run into some issues. Any help is much appreciated. We use revisioned URLs to allow for far-future caching of resources (e.g. http://example.com/r12345… --- ## [Delete All action](https://www.ruby-forum.com/t/delete-all-action/156043)
**Author:** [@daz](https://www.ruby-forum.com/u/daz)\ **Replies:** 3\ **Last updated:** [December 30, 2008, 12:19pm UTC](https://www.ruby-forum.com/t/delete-all-action/156043 "2008-12-30T12:19:46Z")
Hi, What is the best way to delete all members of a model? For example I have a tasks model and want to put a link in that will delete all tasks at once. Something like, @tasks = Task.all @tasks.each { |task| task.d… --- ## [Summer Reboot - Documentation Update](https://www.ruby-forum.com/t/summer-reboot-documentation-update/144682)
**Author:** [@mohits](https://www.ruby-forum.com/u/mohits)\ **Replies:** 3\ **Last updated:** [August 29, 2008, 9:38pm UTC](https://www.ruby-forum.com/t/summer-reboot-documentation-update/144682 "2008-08-29T21:38:38Z")
Hi Everyone, It’s 1st Aug (already in some parts of the world and the remaining will follow soon), so I thought I’d send out a brief update and request to people. \[1\] As you (may) know, Summer Reboot is targeted as b… --- ## [Problem with link\_to\_remote, RJS and jRails](https://www.ruby-forum.com/t/problem-with-link-to-remote-rjs-and-jrails/143363)
**Author:** [@samflores](https://www.ruby-forum.com/u/samflores)\ **Replies:** 3\ **Last updated:** [July 17, 2008, 6:32pm UTC](https://www.ruby-forum.com/t/problem-with-link-to-remote-rjs-and-jrails/143363 "2008-07-17T18:32:11Z")
Hi, everyone, I’m trying to update the content of a div using link\_to\_remote and RJS template. Everything works fine if I use the default Prototype/Scriptaculous libraries, but I want to use jRails 'coz other parts o… --- ## [How would u do this?](https://www.ruby-forum.com/t/how-would-u-do-this/142040)
**Author:** [@nahabed](https://www.ruby-forum.com/u/nahabed)\ **Replies:** 8\ **Last updated:** [July 3, 2008, 9:18pm UTC](https://www.ruby-forum.com/t/how-would-u-do-this/142040 "2008-07-03T21:18:53Z")
Pardon the newbism :slight\_smile: I’ve inhereted this bit of code and it is being used in a couple of rhtml files. I’d like to avoid duplicate code by pulling this out somehow - how would you do this? This is an ecomme… --- ## [Ruby idiom a | |= b meaning?](https://www.ruby-forum.com/t/ruby-idiom-a-b-meaning/141861)
**Author:** [@ratnavel](https://www.ruby-forum.com/u/ratnavel)\ **Replies:** 3\ **Last updated:** [July 1, 2008, 7:01am UTC](https://www.ruby-forum.com/t/ruby-idiom-a-b-meaning/141861 "2008-07-01T07:01:38Z")
What does the ruby idiom a ||= b mean? Thanks, Ratnavel --- ## [\`const\_missing': uninitialized constant Spec::Rails](https://www.ruby-forum.com/t/const-missing-uninitialized-constant-spec-rails/131917)
**Author:** [@mitjok](https://www.ruby-forum.com/u/mitjok)\ **Replies:** 3\ **Last updated:** [June 19, 2008, 11:26am UTC](https://www.ruby-forum.com/t/const-missing-uninitialized-constant-spec-rails/131917 "2008-06-19T11:26:54Z")
Hi! I’m experiencing such error while running simple model rspec just to make sure everything is working. $ script/spec spec/models/site\_user\_spec.rb /var/lib/gems/1.8/gems/activesupport-1.3.1/lib/active\_support/depe… --- ## [Attachment\_fu. . .HTML involved in immediately associating a](https://www.ruby-forum.com/t/attachment-fu-html-involved-in-immediately-associating-a/103446)
**Author:** [@gberz3](https://www.ruby-forum.com/u/gberz3)\ **Replies:** 8\ **Last updated:** [May 11, 2007, 2:42am UTC](https://www.ruby-forum.com/t/attachment-fu-html-involved-in-immediately-associating-a/103446 "2007-05-11T02:42:53Z")
All, I’m having trouble wrapping my head around how to associate my IMAGE model with my PRODUCT model. Basically I have the obligatory fields for the attachment\_fu association: class CreateImages \< ActiveRecord::Mig… --- ## [No auto-increment field](https://www.ruby-forum.com/t/no-auto-increment-field/88813)
**Author:** [@technodolt](https://www.ruby-forum.com/u/technodolt)\ **Replies:** 3\ **Last updated:** [March 14, 2007, 8:52pm UTC](https://www.ruby-forum.com/t/no-auto-increment-field/88813 "2007-03-14T20:52:07Z")
I have a table that has no primary key… it is a cross-ref table with some extra data stored in it. I’d prefer not to use a primary key because the size of this table will grow so rapidly that I’m afraid, over time, … --- ## [Ruby-full debian package](https://www.ruby-forum.com/t/ruby-full-debian-package/80250)
**Author:** [@gnuvince](https://www.ruby-forum.com/u/gnuvince)\ **Replies:** 8\ **Last updated:** [December 29, 2006, 7:11pm UTC](https://www.ruby-forum.com/t/ruby-full-debian-package/80250 "2006-12-29T19:11:16Z")
Hello, Following last night’s discussions, I’ve created a ruby-full debian package. It won’t make it to etch before a while, if it ever does, but you can try it out in my personal repository, see http://vincent.fourm… --- ## [Starting a system command and letting it be?](https://www.ruby-forum.com/t/starting-a-system-command-and-letting-it-be/75512)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 8\ **Last updated:** [November 10, 2006, 4:44pm UTC](https://www.ruby-forum.com/t/starting-a-system-command-and-letting-it-be/75512 "2006-11-10T16:44:45Z")
I’m writing a web service that accepts a call to initiate a few self-contained scripts on a RHEL4 webserver. Being new to Ruby, I can’t seem to find any documentation on how I could kick off the scripts without havin… --- ## [Delete child\_anchor from textbuffer](https://www.ruby-forum.com/t/delete-child-anchor-from-textbuffer/69820)
**Author:** [@blackedder](https://www.ruby-forum.com/u/blackedder)\ **Replies:** 3\ **Last updated:** [September 25, 2006, 3:02am UTC](https://www.ruby-forum.com/t/delete-child-anchor-from-textbuffer/69820 "2006-09-25T03:02:56Z")
Hi, Does anyone know how to delete a child\_anchor from a text buffer. I read something about unreffing it, but couldn’t figure out how. On a related note there seems to be a bug in get\_iter\_at\_child\_anchor. In contr… --- ## [AGAIN: file object treated as string](https://www.ruby-forum.com/t/again-file-object-treated-as-string/65013)
**Author:** [@Ed\_Kotysh](https://www.ruby-forum.com/u/Ed_Kotysh)\ **Replies:** 8\ **Last updated:** [August 15, 2006, 8:48pm UTC](https://www.ruby-forum.com/t/again-file-object-treated-as-string/65013 "2006-08-15T20:48:19Z")
I am trying to implement the uploading of a file to a remote server I get error while trying to write the file on the server. The error I get is the following: undefined method \`rewind’ for #String:0x2aaaad062eb8 It … --- ## [Rails "Application Error" with apache and mod\_fcgid](https://www.ruby-forum.com/t/rails-application-error-with-apache-and-mod-fcgid/60822)
**Author:** [@crenner](https://www.ruby-forum.com/u/crenner)\ **Replies:** 3\ **Last updated:** [June 22, 2006, 12:16pm UTC](https://www.ruby-forum.com/t/rails-application-error-with-apache-and-mod-fcgid/60822 "2006-06-22T12:16:43Z")
Hello, I have a gentoo system that I am trying to remotely develop rails applications on using apache and fcgi. I created the simple hello world example from Dave T.’ book to test the system and I receive an “applic… --- ## [Render layout on the fly](https://www.ruby-forum.com/t/render-layout-on-the-fly/60978)
**Author:** [@Franz\_Bettag](https://www.ruby-forum.com/u/Franz_Bettag)\ **Replies:** 3\ **Last updated:** [May 19, 2006, 4:57pm UTC](https://www.ruby-forum.com/t/render-layout-on-the-fly/60978 "2006-05-19T16:57:37Z")
Hi guys, i was wondering if there is any possibility to render a layout on the fly instead of putting it into the layouts/ folder. Any ideas? --- ## [GRC Install - Pybombs vs Binaries](https://www.ruby-forum.com/t/grc-install-pybombs-vs-binaries/233510)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [December 20, 2014, 5:27pm UTC](https://www.ruby-forum.com/t/grc-install-pybombs-vs-binaries/233510 "2014-12-20T17:27:37Z")
Hello experts, I have been using linux and GRC for about a year and as such I am still pretty ‘green’ about a lot of stuff, but I am learning and hopefuly someone will be able to advise me about me questions. I use … --- ## [Engines: How to write tests that depend upon main app models?](https://www.ruby-forum.com/t/engines-how-to-write-tests-that-depend-upon-main-app-models/233063)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [November 17, 2014, 2:07pm UTC](https://www.ruby-forum.com/t/engines-how-to-write-tests-that-depend-upon-main-app-models/233063 "2014-11-17T14:07:01Z")
Hello all. The Rails Engines documentation1 was really quite good for understanding how to write engines. However, it left me with a question which I’ve been unable to answer. Say I’m writing the engine discussed i… --- ## [Log module question: does the buffer mess up the order of the log entries?](https://www.ruby-forum.com/t/log-module-question-does-the-buffer-mess-up-the-order-of-the-log-entries/236650)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [September 23, 2013, 7:49pm UTC](https://www.ruby-forum.com/t/log-module-question-does-the-buffer-mess-up-the-order-of-the-log-entries/236650 "2013-09-23T19:49:29Z")
Hi experts, I am reading the log module source code, there is something difficult to make sure, so I ask for your help. Access log module use a buffer to buffer log entries before writing to the file system, the buff… --- ## [Rubygems-update 1.8.24 Released](https://www.ruby-forum.com/t/rubygems-update-1-8-24-released/219318)
**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\ **Replies:** 2\ **Last updated:** [May 17, 2012, 1:15am UTC](https://www.ruby-forum.com/t/rubygems-update-1-8-24-released/219318 "2012-05-17T01:15:57Z")
rubygems-update version 1.8.24 has been released! http://rubygems.org http://docs.rubygems.org http://help.rubygems.org http://github.com/rubygems http://rubyforge.org/projects/rubygems RubyGems is a package managemen… --- ## [Postgres driver x64 versus x32](https://www.ruby-forum.com/t/postgres-driver-x64-versus-x32/217374)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [March 30, 2012, 3:16pm UTC](https://www.ruby-forum.com/t/postgres-driver-x64-versus-x32/217374 "2012-03-30T15:16:06Z")
Hi Jruby-ist wizards, Hopefully a simple question…I am getting ready to move to using jruby for an existing ROR application. When specifying the JDBC driver for a postgres DB, or any DB for that matter, are there sepa… --- ## [Hi, I got a exception on tomcat, what should I do?](https://www.ruby-forum.com/t/hi-i-got-a-exception-on-tomcat-what-should-i-do/211309)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [September 1, 2011, 5:07am UTC](https://www.ruby-forum.com/t/hi-i-got-a-exception-on-tomcat-what-should-i-do/211309 "2011-09-01T05:07:39Z")
My application is based on jruby/rails. And it got the error when we deploy the application on tomcat. It samed that some wrong on jffi, but I dont think I’m used that, how could I found it in the application. enviro… --- ## [Throttle blocks and GUI responsiveness](https://www.ruby-forum.com/t/throttle-blocks-and-gui-responsiveness/198526)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 2\ **Last updated:** [November 4, 2010, 3:50pm UTC](https://www.ruby-forum.com/t/throttle-blocks-and-gui-responsiveness/198526 "2010-11-04T15:50:30Z")
Hello, all. I’m still getting up to speed on gnuradio… (does that make me a gnoob? or maybe a gnuub?)… :wink: Anyway, to learn how to instrument a simple flowgraph with a wxPython GUI elements, I conceived of somet… --- ## [ActiveRecord Transaction Rollback not happening/Postgres](https://www.ruby-forum.com/t/activerecord-transaction-rollback-not-happening-postgres/183376)
**Author:** [@smarter](https://www.ruby-forum.com/u/smarter)\ **Replies:** 2\ **Last updated:** [February 12, 2010, 6:03pm UTC](https://www.ruby-forum.com/t/activerecord-transaction-rollback-not-happening-postgres/183376 "2010-02-12T18:03:59Z")
I have these settings using postgresql gem with Postgres 8.4 Installed: development: adapter: postgresql host: localhost database: db\_development username: postgres password: postgres encoding: utf8 Code snippet … --- ## [Compiling multiple C source files into a single library](https://www.ruby-forum.com/t/compiling-multiple-c-source-files-into-a-single-library/182270)
**Author:** [@danielb](https://www.ruby-forum.com/u/danielb)\ **Replies:** 2\ **Last updated:** [January 25, 2010, 11:20pm UTC](https://www.ruby-forum.com/t/compiling-multiple-c-source-files-into-a-single-library/182270 "2010-01-25T23:20:51Z")
Hi, In the past I’ve always put all my code into a single source file and built it that way. However, I’d like to split out my C source files into a “one class per file” arrangement for a particular project, but I’m … --- ## [Text\_field\_with\_auto\_complete avec Rails 2.3.2](https://www.ruby-forum.com/t/text-field-with-auto-complete-avec-rails-2-3-2/168911)
**Author:** [@domas](https://www.ruby-forum.com/u/domas)\ **Replies:** 2\ **Last updated:** [May 27, 2009, 1:26pm UTC](https://www.ruby-forum.com/t/text-field-with-auto-complete-avec-rails-2-3-2/168911 "2009-05-27T13:26:16Z")
Bonjour J’essay d’implémenter un champs avec auto-complétion, mais ca bloque déja au niveau du text\_field\_with\_auto\_complete. Rien qu’en placant un champs comme cela, j’ai Showing app/views/recherche/index.html.er… --- ## [Some for fun benchmarking of JRuby Trunk](https://www.ruby-forum.com/t/some-for-fun-benchmarking-of-jruby-trunk/165512)
**Author:** [@Zachary\_Brown](https://www.ruby-forum.com/u/Zachary_Brown)\ **Replies:** 2\ **Last updated:** [April 19, 2009, 9:57pm UTC](https://www.ruby-forum.com/t/some-for-fun-benchmarking-of-jruby-trunk/165512 "2009-04-19T21:57:18Z")
Hi all, Did some benchmarking on MRI/JRuby to see if there’d be a noticeable increase in performance in some of the work I typically do. For background, most of what I use Ruby for these days is processing data outp… --- ## [Eventmachine client server problem](https://www.ruby-forum.com/t/eventmachine-client-server-problem/148945)
**Author:** [@baluvee](https://www.ruby-forum.com/u/baluvee)\ **Replies:** 2\ **Last updated:** [September 19, 2008, 8:16am UTC](https://www.ruby-forum.com/t/eventmachine-client-server-problem/148945 "2008-09-19T08:16:00Z")
Hi All My Server code is $stderr.sync = $stdout.sync = true require ‘rubygems’ require ‘eventmachine’ module EchoServer def receive\_data data puts “Server received: #{data}” send\_data “\>\>\>you sent: #{data}” put… --- ## [Question on Empty GIF module](https://www.ruby-forum.com/t/question-on-empty-gif-module/135684)
**Author:** [@Rt\_Ibmer](https://www.ruby-forum.com/u/Rt_Ibmer)\ **Replies:** 2\ **Last updated:** [April 24, 2008, 10:01am UTC](https://www.ruby-forum.com/t/question-on-empty-gif-module/135684 "2008-04-24T10:01:41Z")
Is it possible to use the empty GIF module to return the 1x1 pixel to the client, BUT then to also pass the request along to an upsteam server so that the query string data on the request can be processed? Here is the… --- ## [Acts\_as\_tree edit view?](https://www.ruby-forum.com/t/acts-as-tree-edit-view/120317)
**Author:** [@markthomas](https://www.ruby-forum.com/u/markthomas)\ **Replies:** 2\ **Last updated:** [November 18, 2007, 5:33pm UTC](https://www.ruby-forum.com/t/acts-as-tree-edit-view/120317 "2007-11-18T17:33:17Z")
How would I make an acts\_as\_tree (or acts\_as\_nested\_set) model editable? Anyone know any nifty rjs in-place tree editor? Or a treeview js widget that is editable (and is or can be integrated into Rails)? Thanks, Ma… --- ## [Virtual memory problem assumably caused by threaded process](https://www.ruby-forum.com/t/virtual-memory-problem-assumably-caused-by-threaded-process/111788)
**Author:** [@Christian\_Sokolowsk](https://www.ruby-forum.com/u/Christian_Sokolowsk)\ **Replies:** 2\ **Last updated:** [August 13, 2007, 2:31pm UTC](https://www.ruby-forum.com/t/virtual-memory-problem-assumably-caused-by-threaded-process/111788 "2007-08-13T14:31:54Z")
Hi all, the receiver of a point-to-point communication system is causing some memory trouble. rx\_graph() architecture: usrp.board - some signal processing blocks - packet sink Arriving packets are fed to a message\_… [Previous page](https://www.ruby-forum.com/top.md?page=1028&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1030&per_page=50)