# Top **URL:** https://www.ruby-forum.com/top.md?page=1612 [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:** 1613 --- ## [Problems with setting up RFNoC environment within PyBombs](https://www.ruby-forum.com/t/problems-with-setting-up-rfnoc-environment-within-pybombs/243307)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [September 9, 2015, 2:59pm UTC](https://www.ruby-forum.com/t/problems-with-setting-up-rfnoc-environment-within-pybombs/243307 "2015-09-09T14:59:13Z")
I have set up RFNoC environments in the past, but I am trying to embrace pybombs and am attempting to setup an environment now using that approach instead. I see on the rfnoc:-GettingStarted WiKi page, that it can’t b… --- ## [Public\_methods on a class](https://www.ruby-forum.com/t/public-methods-on-a-class/236054)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [August 5, 2013, 7:40am UTC](https://www.ruby-forum.com/t/public-methods-on-a-class/236054 "2013-08-05T07:40:18Z")
Hi is anyone able to to explain to me why :foo is in the array below? My understanding of the docs would suggest that calling public\_methods(false) should only include methods defined on the class itself? class A … --- ## [Connecting TCP Sink to VLC media player](https://www.ruby-forum.com/t/connecting-tcp-sink-to-vlc-media-player/227039)
**Author:** [@lu\_zhang](https://www.ruby-forum.com/u/lu_zhang)\ **Replies:** 0\ **Last updated:** [March 1, 2013, 1:04pm UTC](https://www.ruby-forum.com/t/connecting-tcp-sink-to-vlc-media-player/227039 "2013-03-01T13:04:36Z")
Hello all, Problem when I send my audio stream from the TCP Sink to a media player. I have read the earlier mails and tried the examples with TCP Source/Sink in GRC. They look like this: (tcp\_sink\_test.grc): Signal … --- ## [Ruby String directives](https://www.ruby-forum.com/t/ruby-string-directives/226916)
**Author:** [@kumar\_r](https://www.ruby-forum.com/u/kumar_r)\ **Replies:** 3\ **Last updated:** [February 25, 2013, 9:13pm UTC](https://www.ruby-forum.com/t/ruby-string-directives/226916 "2013-02-25T21:13:04Z")
Hi guys, I am newbie to this Forum and new to this language: I am currently going through the Ruby Array#pack and Array#unpack. But couldn’t get much more examples of the directives documented in the doc. So could yo… --- ## [Build question](https://www.ruby-forum.com/t/build-question/224047)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [October 29, 2012, 9:19am UTC](https://www.ruby-forum.com/t/build-question/224047 "2012-10-29T09:19:44Z")
I was attempting to build nginx 1.2.4 from source, and include the chunkin module. I also included the autolib module, because from what I could understand, it would help reduce the need for some of the other source/… --- ## [Développeur PHP / Ruby](https://www.ruby-forum.com/t/developpeur-php-ruby/222288)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 0\ **Last updated:** [August 22, 2012, 11:40am UTC](https://www.ruby-forum.com/t/developpeur-php-ruby/222288 "2012-08-22T11:40:48Z")
YGL Consulting recrute un Développeur Expert PHP ayant de bonnes connaissances de Ruby. Le poste est à pourvoir ASAP à Paris. En relation avec un Chef de projet, vous participez au développement d’application Web et … --- ## [\[JOBS\] Rails developer, 6-months contract in Sydney, AU](https://www.ruby-forum.com/t/jobs-rails-developer-6-months-contract-in-sydney-au/221525)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 0\ **Last updated:** [July 18, 2012, 10:10am UTC](https://www.ruby-forum.com/t/jobs-rails-developer-6-months-contract-in-sydney-au/221525 "2012-07-18T10:10:39Z")
Planning or interested in a working holiday in Australia? Finishing up your time abroad and returning to Australia? If you want to line up a 6-months contract with the Australian Broadcasting Corporation in Sydney, pl… --- ## [Net::smtp carriage returns](https://www.ruby-forum.com/t/net-smtp-carriage-returns/219282)
**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\ **Replies:** 3\ **Last updated:** [April 26, 2012, 8:40pm UTC](https://www.ruby-forum.com/t/net-smtp-carriage-returns/219282 "2012-04-26T20:40:08Z")
I’m new to ruby and trying to build a script that logs into a cisco pix and diff the config from the day before. I’m having issues passing the diff to an email and having carriage returns after each change. Basically… --- ## [Nginx-perl-1.1.17.1](https://www.ruby-forum.com/t/nginx-perl-1-1-17-1/217906)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [March 20, 2012, 7:57pm UTC](https://www.ruby-forum.com/t/nginx-perl-1-1-17-1/217906 "2012-03-20T19:57:58Z")
Hello, everyone. It’s been awhile since my last announce, it was 1.1.11.1 roughly two months ago. And now it’s 1.1.17.1. There were couple of bugfixes and new features. But most of the work was done on automated test… --- ## [Issues when call via restclient](https://www.ruby-forum.com/t/issues-when-call-via-restclient/217420)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [March 2, 2012, 6:06am UTC](https://www.ruby-forum.com/t/issues-when-call-via-restclient/217420 "2012-03-02T06:06:20Z")
i have one controller users. that have one method login and create method. i have to call that login method. but when i call using the firefox restclient that going to create method…? \* \* class UsersController \*de… --- ## [Ruby on Rails and scalability problem](https://www.ruby-forum.com/t/ruby-on-rails-and-scalability-problem/217032)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [February 20, 2012, 2:37pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-and-scalability-problem/217032 "2012-02-20T14:37:38Z")
Hi, Is ruby slower than PHP. Is ruby on rails slower than PHP framework like zend framework? Is ruby on rails slower than ASP.NET? Is ruby on rails slower than Java? Can anyone give practical comparison with other l… --- ## [Delete :confirm =\> "Sure?"](https://www.ruby-forum.com/t/delete-confirm-sure/216764)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [February 14, 2012, 12:28pm UTC](https://www.ruby-forum.com/t/delete-confirm-sure/216764 "2012-02-14T12:28:01Z")
Hey all, well I have a delete function in my rails application that works successfully. When I click the button it deletes the record from the page as well as the database, my problem is that I don’t want it to instan… --- ## [Rdoc](https://www.ruby-forum.com/t/rdoc/216360)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [February 3, 2012, 6:40am UTC](https://www.ruby-forum.com/t/rdoc/216360 "2012-02-03T06:40:44Z")
hey everyone i was looking for a documentation for my project when i google it i found Rdoc but can not understand what exactly this Rdoc does. can any one help me to know about Rdoc. thanks in advance --- ## [\[ANN\] arcadia editor 0.11.0 released](https://www.ruby-forum.com/t/ann-arcadia-editor-0-11-0-released/213538)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [November 6, 2011, 12:53am UTC](https://www.ruby-forum.com/t/ann-arcadia-editor-0-11-0-released/213538 "2011-11-06T00:53:10Z")
Hi, a new version of arcadia was just released. Arcadia is a light Editor/Ide written in Ruby. In this release: Added some new features: now you can open more than one instance of “Editor” and “Dir Project” by cl… --- ## [Uploading files asynchronously](https://www.ruby-forum.com/t/uploading-files-asynchronously/208809)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [June 28, 2011, 9:12pm UTC](https://www.ruby-forum.com/t/uploading-files-asynchronously/208809 "2011-06-28T21:12:06Z")
Hi, now I have working a form for upload images. I’m using ‘nested\_form’, ‘paperclip’ and ‘aws-s3’ for storage. All works fine but I would get better. The problem is that the user select the images that want upload bu… --- ## [Spreadsheet in Rails](https://www.ruby-forum.com/t/spreadsheet-in-rails/208038)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [June 9, 2011, 2:10pm UTC](https://www.ruby-forum.com/t/spreadsheet-in-rails/208038 "2011-06-09T14:10:25Z")
Hi, Please help to create a spreadsheet view in rails application. Need to display the cell values from DB with manipulating option. Please specify gems/plugin if available. Thanks --- ## [Can't install RoR 2.3.2 on Windows 7 x64](https://www.ruby-forum.com/t/cant-install-ror-2-3-2-on-windows-7-x64/202802)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [February 6, 2011, 9:41pm UTC](https://www.ruby-forum.com/t/cant-install-ror-2-3-2-on-windows-7-x64/202802 "2011-02-06T21:41:33Z")
Hi, I’ve met strange problem using Ruby 1.8.6 on Windows 7 x64. I’ve successfully installed Ruby + RoR 2.3.2 on Windows 7 x32, but failed with x64. Please, see the result: C:\\Users\\Admin\>ruby --version ruby 1.8.6 (2… --- ## [Possible bug in Rails 3.0.3 form\_for?](https://www.ruby-forum.com/t/possible-bug-in-rails-3-0-3-form-for/202229)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [January 26, 2011, 2:07am UTC](https://www.ruby-forum.com/t/possible-bug-in-rails-3-0-3-form-for/202229 "2011-01-26T02:07:10Z")
I’m trying to get nested resources working, however I’ve run into a peculiar problem which seems like it may be a bug. I have Projects which have Analyses, or the singular versions Project & Analysis. Here’s my route… --- ## [Rails 3 Action Mailer issue](https://www.ruby-forum.com/t/rails-3-action-mailer-issue/198840)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 3\ **Last updated:** [November 9, 2010, 3:13pm UTC](https://www.ruby-forum.com/t/rails-3-action-mailer-issue/198840 "2010-11-09T15:13:13Z")
Hi All, I am trying to send an email on a user sign up. The email is working without any issues. However there is a problem with the :from field that I am specifying. My SMTP setting look like : ActionMailer::Base.sm… --- ## [rAtom and Atom::Generation](https://www.ruby-forum.com/t/ratom-and-atom-generation/162928)
**Author:** [@sutch](https://www.ruby-forum.com/u/sutch)\ **Replies:** 3\ **Last updated:** [September 1, 2010, 3:57pm UTC](https://www.ruby-forum.com/t/ratom-and-atom-generation/162928 "2010-09-01T15:57:52Z")
I’m attempting to produce an atom feed using rAtom and have run into one issue with Atom::Generator. The docs are not real clear. I have created a new generator using: feed.generator = Atom::Generator.new({:version … --- ## [TCPServer issue](https://www.ruby-forum.com/t/tcpserver-issue/187878)
**Author:** [@tilde](https://www.ruby-forum.com/u/tilde)\ **Replies:** 3\ **Last updated:** [April 30, 2010, 9:15pm UTC](https://www.ruby-forum.com/t/tcpserver-issue/187878 "2010-04-30T21:15:41Z")
Hi Someone knows why this source #! /usr/bin/env ruby require ‘socket’ srv = TCPServer.new ‘localhost’, 20000 loop do Thread.start (srv.accept) do |s| s.write time.now s.close end end causes this?: code/ruby/… --- ## [Kanocc 0.2.0](https://www.ruby-forum.com/t/kanocc-0-2-0/185467)
**Author:** [@caefer](https://www.ruby-forum.com/u/caefer)\ **Replies:** 3\ **Last updated:** [March 21, 2010, 3:33am UTC](https://www.ruby-forum.com/t/kanocc-0-2-0/185467 "2010-03-21T03:33:15Z")
Kanocc (Kanocc Ain’t NO Compiler-Compiler) 0.2.0 is released. (Actually it was released a few months ago, but it only recently occurred to me that I could/should announce i here. Sorry…) What is it: Kanocc is a synta… --- ## [\[Bug:trunk\] IO behaviors on mingw](https://www.ruby-forum.com/t/bug-trunk-io-behaviors-on-mingw/184204)
**Author:** [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\ **Replies:** 3\ **Last updated:** [February 27, 2010, 5:12am UTC](https://www.ruby-forum.com/t/bug-trunk-io-behaviors-on-mingw/184204 "2010-02-27T05:12:04Z")
akr e$B$5$se(B e$B1sF#$G$9!#e(B e$B0J2\<$N$h$&$K!“e(BIO e$B$K4X$7$Fe(B Linux e$B$He(B mingw e$B$G5sF0$,0c$$$^$9!#e(B e$B$=$l$\>$l;EMM$G$7$g$&$+!”%P%0$G$7$g$&$+!#e(B $ ./ruby -e ‘f = File.open(“foo”, “w”); IO.for\_fd(… --- ## [Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62](https://www.ruby-forum.com/t/bug-closing-upstream-fastcgi-requests-on-0-8-15-0-7-62/175542)
**Author:** [@jwigal](https://www.ruby-forum.com/u/jwigal)\ **Replies:** 3\ **Last updated:** [September 15, 2009, 2:24pm UTC](https://www.ruby-forum.com/t/bug-closing-upstream-fastcgi-requests-on-0-8-15-0-7-62/175542 "2009-09-15T14:24:39Z")
Hi all, I’m seeing a massive spike of nginx connections in read state, which appears to be related to fastcgi upstream connections \[1\]. Usually I’ll have 0.6 avg and ~25 max connections in read state, but with 0.8.1… --- ## [Test Unit error when requiring proctable](https://www.ruby-forum.com/t/test-unit-error-when-requiring-proctable/171706)
**Author:** [@davidtl](https://www.ruby-forum.com/u/davidtl)\ **Replies:** 3\ **Last updated:** [July 9, 2009, 4:25am UTC](https://www.ruby-forum.com/t/test-unit-error-when-requiring-proctable/171706 "2009-07-09T04:25:40Z")
Hi there, apologies if I am asking in the wrong forum. I am trying to add a method to my test suite that uses the proctable class to read process ids. I installed using “gem install sys-proctable” I then placed requi… --- ## [Where is third level of domain gone](https://www.ruby-forum.com/t/where-is-third-level-of-domain-gone/170411)
**Author:** [@fei\_dong](https://www.ruby-forum.com/u/fei_dong)\ **Replies:** 3\ **Last updated:** [June 18, 2009, 6:18am UTC](https://www.ruby-forum.com/t/where-is-third-level-of-domain-gone/170411 "2009-06-18T06:18:48Z")
Hello, I am using Nginx 0.7.54 with php 5.2.8 as the web server. When I configure the host name, like: \*.music.goog.com, I find a very wield phenonmenon that I can’t get the third level of this domain. I print this… --- ## [Strange tests](https://www.ruby-forum.com/t/strange-tests/170433)
**Author:** [@gazoduc](https://www.ruby-forum.com/u/gazoduc)\ **Replies:** 0\ **Last updated:** [June 17, 2009, 4:21pm UTC](https://www.ruby-forum.com/t/strange-tests/170433 "2009-06-17T16:21:02Z")
Hi Jason ! I am slowly building a parser and found the following specs: “should not include trailing double-asterisk in a word if the next char is a space”: src: "yow\*\* " htm: “yow” “should not include trailing dou… --- ## [Foreign Key (Mysql/Rails)](https://www.ruby-forum.com/t/foreign-key-mysql-rails/169868)
**Author:** [@semyou](https://www.ruby-forum.com/u/semyou)\ **Replies:** 3\ **Last updated:** [June 10, 2009, 9:25am UTC](https://www.ruby-forum.com/t/foreign-key-mysql-rails/169868 "2009-06-10T09:25:27Z")
Hi, I am using a Mysql table products which has a foreign key category\_id on the categories table the foreign key constraint is defined (Innodb engine). I noticed that when I run EXPLAIN SELECT \* from products where … --- ## [Internet Explorer und JavaScript](https://www.ruby-forum.com/t/internet-explorer-und-javascript/168860)
**Author:** [@Stefan\_Feigl](https://www.ruby-forum.com/u/Stefan_Feigl)\ **Replies:** 0\ **Last updated:** [May 26, 2009, 8:11pm UTC](https://www.ruby-forum.com/t/internet-explorer-und-javascript/168860 "2009-05-26T20:11:06Z")
Hallo, vl könnt ihr mir helfen. Im Internet Explorer funktioniert mein JavaScript nicht. Es ist alles aktiviert. Getestet hab ich im IE 6 und im IE 7 Binde meine JavaScripts mittels javascript\_include\_tag in der appl… --- ## [GNURadio/USRP build issue](https://www.ruby-forum.com/t/gnuradio-usrp-build-issue/160563)
**Author:** [@Ahmed\_Majeed\_K](https://www.ruby-forum.com/u/Ahmed_Majeed_K)\ **Replies:** 3\ **Last updated:** [February 18, 2009, 1:30am UTC](https://www.ruby-forum.com/t/gnuradio-usrp-build-issue/160563 "2009-02-18T01:30:12Z")
 Hi, I am working over a research project employing GNU-Radio over USRP. Presently I am developing tool-chain for the Radio. While I completed all the steps mentioned on: http://gnuradio.org/trac/wiki/FedoraInstall … --- ## [How to run test unit in controller](https://www.ruby-forum.com/t/how-to-run-test-unit-in-controller/157458)
**Author:** [@anton\_effendi](https://www.ruby-forum.com/u/anton_effendi)\ **Replies:** 3\ **Last updated:** [February 7, 2009, 1:33pm UTC](https://www.ruby-forum.com/t/how-to-run-test-unit-in-controller/157458 "2009-02-07T13:33:19Z")
Hai Guys… I need help… I want to run test:unit in controller and the result will show on view… Any body can help me??? – Wu You Duan --- ## [MySQL gem maintainer and project page?](https://www.ruby-forum.com/t/mysql-gem-maintainer-and-project-page/159007)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [January 31, 2009, 8:13pm UTC](https://www.ruby-forum.com/t/mysql-gem-maintainer-and-project-page/159007 "2009-01-31T20:13:11Z")
Hello Everybody, I’m looking into RubyForge and the gem specification for any reference of authors to get in touch. I will like to contribute with some corrections made for compiling on Windows (made on my fork at gi… --- ## [Regural expression with not condition](https://www.ruby-forum.com/t/regural-expression-with-not-condition/158560)
**Author:** [@vamsi](https://www.ruby-forum.com/u/vamsi)\ **Replies:** 3\ **Last updated:** [January 25, 2009, 4:53pm UTC](https://www.ruby-forum.com/t/regural-expression-with-not-condition/158560 "2009-01-25T16:53:17Z")
Hi all, i’m trying validate the format which doesn’t consist of an empty string in the single or double quotes. validates\_format\_of :name,:with=\>/^\[’"\]\[ \]\*\[’"\]$/ ,:on=\> :create /^\[’"\]\[ \]\*\[’"\]$/ it does validation for… --- ## [You have a nil object when you didn't expect it!](https://www.ruby-forum.com/t/you-have-a-nil-object-when-you-didnt-expect-it/157318)
**Author:** [@giga](https://www.ruby-forum.com/u/giga)\ **Replies:** 3\ **Last updated:** [January 9, 2009, 12:00pm UTC](https://www.ruby-forum.com/t/you-have-a-nil-object-when-you-didnt-expect-it/157318 "2009-01-09T12:00:05Z")
\<% if @flash\[:error\] %\> \<%= @flash\[:error\] %\> \<% end %\> \<% if @flash\[:warning\] %\> \<%= @flash\[:warning\] %\> \<% end %\> \<% if @flash\[:notice\] %\> \<%= @flash\[:notice\] %\> \<% end %\> You have a nil object when you didn’… --- ## [Formatting text in view mode same as edit mode](https://www.ruby-forum.com/t/formatting-text-in-view-mode-same-as-edit-mode/156733)
**Author:** [@sijo](https://www.ruby-forum.com/u/sijo)\ **Replies:** 3\ **Last updated:** [January 2, 2009, 7:19am UTC](https://www.ruby-forum.com/t/formatting-text-in-view-mode-same-as-edit-mode/156733 "2009-01-02T07:19:57Z")
Hi I have a text are in my edit form as below \<%= text\_area “sd\_ticket”, “description”, “cols” =\> 80, “rows” =\> 5 %\> And here i am entering some text with spaces and enter keys ..Now suppose if it has some 4 paragrap… --- ## [Status of cache in Memoizable](https://www.ruby-forum.com/t/status-of-cache-in-memoizable/150827)
**Author:** [@matt\_neuburg](https://www.ruby-forum.com/u/matt_neuburg)\ **Replies:** 3\ **Last updated:** [October 14, 2008, 12:06am UTC](https://www.ruby-forum.com/t/status-of-cache-in-memoizable/150827 "2008-10-14T00:06:24Z")
\[Backstory, skip if desired:\] In my app I found a couple of places where I could speed things up by memoizing. I did this manually but since I was doing exactly the same thing in two different places I looked for a bi… --- ## [Adding a TIME variable?](https://www.ruby-forum.com/t/adding-a-time-variable/144048)
**Author:** [@Mike\_Harding](https://www.ruby-forum.com/u/Mike_Harding)\ **Replies:** 3\ **Last updated:** [July 25, 2008, 7:19pm UTC](https://www.ruby-forum.com/t/adding-a-time-variable/144048 "2008-07-25T19:19:37Z")
I am porting some apache rewrite rules that use the TIME variable (just unix epoch, seconds since 1/1/1970). What would be my best option for nginx? I could modify the code to provide a $time variable use fgci use … --- ## [Jruby-rack redirect problem](https://www.ruby-forum.com/t/jruby-rack-redirect-problem/140102)
**Author:** [@lennylmiller](https://www.ruby-forum.com/u/lennylmiller)\ **Replies:** 3\ **Last updated:** [June 11, 2008, 6:11am UTC](https://www.ruby-forum.com/t/jruby-rack-redirect-problem/140102 "2008-06-11T06:11:18Z")
I haven’t gotten a chance to drill down into this yet, but I’m going to throw it out in case it brings something obvious to anyone’s mind. We have some JRuby/Rails apps which were previously deployed into Tomcat with … --- ## [Duke & Ruby - picture + wallpaper](https://www.ruby-forum.com/t/duke-ruby-picture-wallpaper/138531)
**Author:** [@radarek](https://www.ruby-forum.com/u/radarek)\ **Replies:** 3\ **Last updated:** [May 27, 2008, 1:54pm UTC](https://www.ruby-forum.com/t/duke-ruby-picture-wallpaper/138531 "2008-05-27T13:54:16Z")
I made some images and wallpaper with Ruby & Duke motive and I want to share with you. I know that one of my images (made few months ago) is used by Charles & Thomas in presentation slides so maybe they would like use… --- ## [Gecoder syntax question](https://www.ruby-forum.com/t/gecoder-syntax-question/137576)
**Author:** [@Axel\_E](https://www.ruby-forum.com/u/Axel_E)\ **Replies:** 3\ **Last updated:** [May 14, 2008, 4:51pm UTC](https://www.ruby-forum.com/t/gecoder-syntax-question/137576 "2008-05-14T16:51:39Z")
Dear all, I have an optimization problem. I need to minimize || A(x-y) || while maximizing ||x-y||, where ||.|| is a norm, x,y are vectors with integer non-negative entries and A is a (at that point fixed) matrix wit… --- ## [Missing the Rails 2.0.2 gem (Leopard) .. but it's there!](https://www.ruby-forum.com/t/missing-the-rails-2-0-2-gem-leopard-but-its-there/131406)
**Author:** [@Erwin](https://www.ruby-forum.com/u/Erwin)\ **Replies:** 3\ **Last updated:** [March 27, 2008, 8:09am UTC](https://www.ruby-forum.com/t/missing-the-rails-2-0-2-gem-leopard-but-its-there/131406 "2008-03-27T08:09:19Z")
Hello I am trying to test my first rails app example under Leopard (using XCode as stated on Apple site (http://developer.apple.com/tools/developonrailsleopard.html) … i have been using Rails for a while under Tiger… --- ## [Should\_receive(:foo).with(any\_object)](https://www.ruby-forum.com/t/should-receive-foo-with-any-object/131375)
**Author:** [@Thorben\_SchrSSSSder](https://www.ruby-forum.com/u/Thorben_SchrSSSSder)\ **Replies:** 3\ **Last updated:** [March 9, 2008, 1:43am UTC](https://www.ruby-forum.com/t/should-receive-foo-with-any-object/131375 "2008-03-09T01:43:28Z")
Hey, I just ran into a situation where I would like to expect a method call with an argument I know and another one, which is a random number. I think mocking up the rand method is somehow ugly so I thought maybe thi… --- ## [COnsulta sobre SAVE](https://www.ruby-forum.com/t/consulta-sobre-save/128116)
**Author:** [@Santiago\_Y](https://www.ruby-forum.com/u/Santiago_Y)\ **Replies:** 3\ **Last updated:** [February 5, 2008, 8:49pm UTC](https://www.ruby-forum.com/t/consulta-sobre-save/128116 "2008-02-05T20:49:00Z")
Ante que nada… saludos a todos. Tengo un problema… tengo una tabla que tiene una Clave Primaria, que a su vez es Clave Foranea de otro tabla… o sea tengo una relacion 1 a 1 con esa clave a la otra tabla. Hasta ahi tod… --- ## [Not able to view the images after the upload](https://www.ruby-forum.com/t/not-able-to-view-the-images-after-the-upload/123377)
**Author:** [@koli](https://www.ruby-forum.com/u/koli)\ **Replies:** 3\ **Last updated:** [December 17, 2007, 12:45pm UTC](https://www.ruby-forum.com/t/not-able-to-view-the-images-after-the-upload/123377 "2007-12-17T12:45:04Z")
hi, i have this problem where in i’m able to upload the images using file\_column to the server but i’m not able to view the images.i’m not able to see the images but then i’m able to view the image name when i click… --- ## [Latency on TX for low data rate systems](https://www.ruby-forum.com/t/latency-on-tx-for-low-data-rate-systems/122007)
**Author:** [@Eugene\_Grayver](https://www.ruby-forum.com/u/Eugene_Grayver)\ **Replies:** 3\ **Last updated:** [December 3, 2007, 10:46pm UTC](https://www.ruby-forum.com/t/latency-on-tx-for-low-data-rate-systems/122007 "2007-12-03T22:46:00Z")
Hello, I have a very low data rate FSK system (\<100 bps). The problem is the enormous latency introduced by the inter-block buffers. (I am running in ms windows). The buffer granularity is apparently 64kB. I ups… --- ## [Attachment fu, Rmagick et format tif](https://www.ruby-forum.com/t/attachment-fu-rmagick-et-format-tif/120055)
**Author:** [@JDJDJD](https://www.ruby-forum.com/u/JDJDJD)\ **Replies:** 3\ **Last updated:** [November 13, 2007, 2:54pm UTC](https://www.ruby-forum.com/t/attachment-fu-rmagick-et-format-tif/120055 "2007-11-13T14:54:35Z")
Bonjour, j’utilise actuellement attachment fu avec Rmagick pour le téléchargement d’images et la création de vignettes. Or, le format tif natif que je dois utiliser n’est pas reconnu en tant que format d’image. C… --- ## [RJS doesn't work](https://www.ruby-forum.com/t/rjs-doesnt-work/117449)
**Author:** [@juan](https://www.ruby-forum.com/u/juan)\ **Replies:** 3\ **Last updated:** [October 17, 2007, 3:30pm UTC](https://www.ruby-forum.com/t/rjs-doesnt-work/117449 "2007-10-17T15:30:55Z")
Hi, When using an :update in a remote function it does work without problems. Removing it and adding instead a .rjs file to modify a part of the HTML doesn’t work. This is what receives the browser: Element.update(“… --- ## [Child \< Parent \< Test::Unit::TestCase](https://www.ruby-forum.com/t/child-parent-test-testcase/117024)
**Author:** [@zakifataya](https://www.ruby-forum.com/u/zakifataya)\ **Replies:** 3\ **Last updated:** [October 12, 2007, 9:25am UTC](https://www.ruby-forum.com/t/child-parent-test-testcase/117024 "2007-10-12T09:25:35Z")
I just ran into a problem with Test::Unit exhibited by the two files below and the output of ‘ruby tc\_child.rb’: — tc\_child.rb — require ‘tc\_parent’ class ChildTest \< ParentTest def test\_one puts ‘test\_one called’ … --- ## [There is a easy way to valid markup?](https://www.ruby-forum.com/t/there-is-a-easy-way-to-valid-markup/115721)
**Author:** [@eagoweb](https://www.ruby-forum.com/u/eagoweb)\ **Replies:** 3\ **Last updated:** [September 28, 2007, 2:43pm UTC](https://www.ruby-forum.com/t/there-is-a-easy-way-to-valid-markup/115721 "2007-09-28T14:43:02Z")
Do I have to create a custom Expectation Matcher? or there is a way to integrate assert\_valid\_asset plugin? thx --- ## [Rb\_load\_file crashes when there no bracket is provided](https://www.ruby-forum.com/t/rb-load-file-crashes-when-there-no-bracket-is-provided/109532)
**Author:** [@saravanan77](https://www.ruby-forum.com/u/saravanan77)\ **Replies:** 3\ **Last updated:** [July 16, 2007, 4:59pm UTC](https://www.ruby-forum.com/t/rb-load-file-crashes-when-there-no-bracket-is-provided/109532 "2007-07-16T16:59:10Z")
Hi, When i tried to load the below mentioned code using rb\_load\_file it works def Category(pArg1) lvalue = (""" + “CatA” + “”" + pArg1) eval “#{lvalue}” end def is(pArg1) return “==”" + pArg1 + “”" end i = Cate… [Previous page](https://www.ruby-forum.com/top.md?page=1611&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1613&per_page=50)