# Top **URL:** https://www.ruby-forum.com/top.md?page=1083 [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:** 1084 --- ## [Fragment cache directory names in Rails 3](https://www.ruby-forum.com/t/fragment-cache-directory-names-in-rails-3/199824)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 3\ **Last updated:** [September 7, 2011, 12:41pm UTC](https://www.ruby-forum.com/t/fragment-cache-directory-names-in-rails-3/199824 "2011-09-07T12:41:30Z")
Is there a way to set the directory structure for the fragment cache? I know by default it is using Zlib.adler32 to generate the directory name for a key. Is there any way to configure this? I want to be able to clear… --- ## [Jruby & emacs on USB](https://www.ruby-forum.com/t/jruby-emacs-on-usb/206244)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [April 27, 2011, 12:34pm UTC](https://www.ruby-forum.com/t/jruby-emacs-on-usb/206244 "2011-04-27T12:34:23Z")
Is there anyway to make a portable version of jruby and emacs? I would like to have a copy on a usb so I can tinker with it at work. Work computers don’t allow the user o modify any settings, they are windows based. H… --- ## [Reload! in console?](https://www.ruby-forum.com/t/reload-in-console/195030)
**Author:** [@hostep](https://www.ruby-forum.com/u/hostep)\ **Replies:** 3\ **Last updated:** [September 16, 2010, 10:35am UTC](https://www.ruby-forum.com/t/reload-in-console/195030 "2010-09-16T10:35:33Z")
hi Guys I’m doing changes to a model, and testing the changes interactively in the console. After saving a change to the model I use ‘reload!’ in the console. It seems that the objects that I were working with still e… --- ## [Problems with Set after upgrade to RSpec 1.2.9](https://www.ruby-forum.com/t/problems-with-set-after-upgrade-to-rspec-1-2-9/177069)
**Author:** [@Shot\_SPiotr\_S.S](https://www.ruby-forum.com/u/Shot_SPiotr_S.S)\ **Replies:** 3\ **Last updated:** [October 11, 2009, 1:29pm UTC](https://www.ruby-forum.com/t/problems-with-set-after-upgrade-to-rspec-1-2-9/177069 "2009-10-11T13:29:02Z")
It seems RSpec 1.2.9 is be breaking my specs in an interesting way (both under Ruby 1.8.7 and 1.9.1). The problem may very well be in my non-standard approach to monkey-patching core/stdlib classes, but my approach do… --- ## [Missing readline](https://www.ruby-forum.com/t/missing-readline/163295)
**Author:** [@lee](https://www.ruby-forum.com/u/lee)\ **Replies:** 3\ **Last updated:** [March 19, 2009, 10:26am UTC](https://www.ruby-forum.com/t/missing-readline/163295 "2009-03-19T10:26:52Z")
I have installed Rails 2.2.2 on a Debian Lenny VPS and I am getting the following error when trying to script/console. Loading development environment (Rails 2.2.2) /usr/local/lib/ruby/1.8/irb/completion.rb:10:in \`re… --- ## [\[cucumber\] Using worlds for loading fixtures](https://www.ruby-forum.com/t/cucumber-using-worlds-for-loading-fixtures/162733)
**Author:** [@ffomenko](https://www.ruby-forum.com/u/ffomenko)\ **Replies:** 3\ **Last updated:** [March 13, 2009, 12:11pm UTC](https://www.ruby-forum.com/t/cucumber-using-worlds-for-loading-fixtures/162733 "2009-03-13T12:11:25Z")
What is the right place to load fixtures specific to a given scenario? I was thinking of using Worlds. Is it the right place for loading/deleting fixtures? How do I specify which world scenario should run in? --- ## [Libro Programando en Ruby : La Guía d e los "Programadores Pragmáticos"](https://www.ruby-forum.com/t/libro-programando-en-ruby-la-gua-a-d-e-los-programadores-pragma-ticos/154799)
**Author:** [@bedomax](https://www.ruby-forum.com/u/bedomax)\ **Replies:** 3\ **Last updated:** [December 4, 2008, 10:32am UTC](https://www.ruby-forum.com/t/libro-programando-en-ruby-la-gua-a-d-e-los-programadores-pragma-ticos/154799 "2008-12-04T10:32:04Z")
Alguíen sabe donde puedo encontrar el libro Programando en Ruby : La Guía de los “Programadores Pragmáticos” - En español Antes estaba subido en http://pickaxe.ruby.org.es/ pero desde algún tiempo se encuentra … --- ## [IronRuby 1.0 Alpha 2](https://www.ruby-forum.com/t/ironruby-1-0-alpha-2/153666)
**Author:** [@raker\_t](https://www.ruby-forum.com/u/raker_t)\ **Replies:** 3\ **Last updated:** [November 20, 2008, 2:01am UTC](https://www.ruby-forum.com/t/ironruby-1-0-alpha-2/153666 "2008-11-20T02:01:38Z")
Announcing the release of IronRuby 1.0 Alpha 2. You can download it on RubyForge (http://rubyforge.org/frs/?group\_id=4359), I will have a tag in SVN soon. Notable features: the inclusion of iirb.bat, igem.bat, irails.… --- ## [Highline: Can I "ask" to STDERR](https://www.ruby-forum.com/t/highline-can-i-ask-to-stderr/150202)
**Author:** [@jpettet](https://www.ruby-forum.com/u/jpettet)\ **Replies:** 3\ **Last updated:** [October 13, 2008, 1:11am UTC](https://www.ruby-forum.com/t/highline-can-i-ask-to-stderr/150202 "2008-10-13T01:11:41Z")
Hello, fellow ruby enthusiasts! I’m a first time caller, long time listener. Does highline allow you to send the “ask” prompt to STDERR? I often times use it to prompt for passwords in command line tools that I want … --- ## [Memory Leak running Mongrel?](https://www.ruby-forum.com/t/memory-leak-running-mongrel/146237)
**Author:** [@sharkie](https://www.ruby-forum.com/u/sharkie)\ **Replies:** 3\ **Last updated:** [August 20, 2008, 8:34am UTC](https://www.ruby-forum.com/t/memory-leak-running-mongrel/146237 "2008-08-20T08:34:57Z")
I have 3 processes of Mongrel running with 600MB heap each. Eventually after a few hours (few 10,000 processes) the memory consumption would grow and fills the heap entirely. Then, I would get that Java out of memory … --- ## [Testing HAML in helper rspec](https://www.ruby-forum.com/t/testing-haml-in-helper-rspec/142130)
**Author:** [@wolfmanjm](https://www.ruby-forum.com/u/wolfmanjm)\ **Replies:** 0\ **Last updated:** [July 3, 2008, 6:59pm UTC](https://www.ruby-forum.com/t/testing-haml-in-helper-rspec/142130 "2008-07-03T18:59:11Z")
Thought I’d post this under its own heading so others can find it. Thanks to David for the pointers to solve this. Here is the incantation needed to use HAML 2.0 under RSpec 1.1.5 (Needs the .5 for a fix) applicatio… --- ## [Printing Problem: text very small](https://www.ruby-forum.com/t/printing-problem-text-very-small/141789)
**Author:** [@grios](https://www.ruby-forum.com/u/grios)\ **Replies:** 3\ **Last updated:** [July 1, 2008, 8:22pm UTC](https://www.ruby-forum.com/t/printing-problem-text-very-small/141789 "2008-07-01T20:22:03Z")
hi people, Im trying to print some report but the text is too small, so as im not understanding much of the code of the printing example, i would like to know if there is any other reference i could read to solve that… --- ## [How do you get flash to store something other than a string?](https://www.ruby-forum.com/t/how-do-you-get-flash-to-store-something-other-than-a-string/131849)
**Author:** [@ron](https://www.ruby-forum.com/u/ron)\ **Replies:** 3\ **Last updated:** [March 14, 2008, 4:27am UTC](https://www.ruby-forum.com/t/how-do-you-get-flash-to-store-something-other-than-a-string/131849 "2008-03-14T04:27:47Z")
Hi, So I’ve built a page controller that lists pages, with a link to edit the page. When you click the edit button, the edit view lists the page title and the associated articles with that page, using: (in the contr… --- ## [Return codes](https://www.ruby-forum.com/t/return-codes/131533)
**Author:** [@tekhne](https://www.ruby-forum.com/u/tekhne)\ **Replies:** 3\ **Last updated:** [March 11, 2008, 6:13pm UTC](https://www.ruby-forum.com/t/return-codes/131533 "2008-03-11T18:13:14Z")
I’d like to be able to launch a little ruby application from within a shell script or a windows command file. How can my Ruby application return error or success codes such that the callee can verify the result easily… --- ## [Active Directory / IE Auto Authentication](https://www.ruby-forum.com/t/active-directory-ie-auto-authentication/123578)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 3\ **Last updated:** [December 19, 2007, 12:46am UTC](https://www.ruby-forum.com/t/active-directory-ie-auto-authentication/123578 "2007-12-19T00:46:15Z")
Has anyone been able to get some sort of Active Directory auto login functionality working in a rails app? Doesn’t IE make available some kind of ldap token that I could grab? Thanks, Kevin --- ## [Need to clean params](https://www.ruby-forum.com/t/need-to-clean-params/106209)
**Author:** [@P.V.Anthony](https://www.ruby-forum.com/u/P.V.Anthony)\ **Replies:** 3\ **Last updated:** [June 7, 2007, 4:48pm UTC](https://www.ruby-forum.com/t/need-to-clean-params/106209 "2007-06-07T16:48:39Z")
Hi, Please do bear with me as I am a newbie. I have an index params from a form with 5 fields of the same name. Most of the times all these fields will not be filled. Is there a way to clean the params before we do a… --- ## [How to create a Database Table in a Controller](https://www.ruby-forum.com/t/how-to-create-a-database-table-in-a-controller/92265)
**Author:** [@xain](https://www.ruby-forum.com/u/xain)\ **Replies:** 3\ **Last updated:** [April 17, 2007, 10:52pm UTC](https://www.ruby-forum.com/t/how-to-create-a-database-table-in-a-controller/92265 "2007-04-17T22:52:00Z")
I need to create a database table in a controller method, but I get a undefined method \`create\_table’ error. so, how to to mixin the methods that will be needed for creating a table? --- ## [SAFE and -T command line option](https://www.ruby-forum.com/t/safe-and-t-command-line-option/86176)
**Author:** [@jspencer78](https://www.ruby-forum.com/u/jspencer78)\ **Replies:** 3\ **Last updated:** [February 20, 2007, 4:40pm UTC](https://www.ruby-forum.com/t/safe-and-t-command-line-option/86176 "2007-02-20T16:40:17Z")
Hello, I was wondering if someone knew the syntax for setting the safe level using the -T command line option. Here is my code: IO.popen(“ruby -r userlib program.rb”, “r+”) I need to set the safe level of the ‘progra… --- ## [Question about drb and databases](https://www.ruby-forum.com/t/question-about-drb-and-databases/69551)
**Author:** [@benjohnson](https://www.ruby-forum.com/u/benjohnson)\ **Replies:** 3\ **Last updated:** [September 21, 2006, 8:45pm UTC](https://www.ruby-forum.com/t/question-about-drb-and-databases/69551 "2006-09-21T20:45:00Z")
Let’s say I have 2 servers. One has the database, the other doesn’t. The main application is being ran on the one with the database. If I was to distribute ruby using DRb to the other server does that process need a d… --- ## [Documentation du database.yml](https://www.ruby-forum.com/t/documentation-du-database-yml/59485)
**Author:** [@tbaustert](https://www.ruby-forum.com/u/tbaustert)\ **Replies:** 3\ **Last updated:** [May 3, 2006, 7:09pm UTC](https://www.ruby-forum.com/t/documentation-du-database-yml/59485 "2006-05-03T19:09:38Z")
Bonjour, Quelqu’un a de la doc sur le fichier database.yml ? Est-ce qu’on est obligé de devoir renseigenr 3 bases à chaque fois (test, production, development) ? Est-ce que ce type de raccourci est documenté : l… --- ## [SystemStackError when rb\_define\_module\_function() \* 3](https://www.ruby-forum.com/t/systemstackerror-when-rb-define-module-function-3/69696)
**Author:** [@snk](https://www.ruby-forum.com/u/snk)\ **Replies:** 3\ **Last updated:** [February 24, 2006, 6:46pm UTC](https://www.ruby-forum.com/t/systemstackerror-when-rb-define-module-function-3/69696 "2006-02-24T18:46:18Z")
\-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, I’m getting a “test.rb:46: stack level too deep (SystemStackError)” when defining three or more functions for a module, which is created & given to Ruby via the R… --- ## [How to use JavaScript in link\_to\_remote?](https://www.ruby-forum.com/t/how-to-use-javascript-in-link-to-remote/49938)
**Author:** [@jwjwjw](https://www.ruby-forum.com/u/jwjwjw)\ **Replies:** 3\ **Last updated:** [December 11, 2005, 7:26pm UTC](https://www.ruby-forum.com/t/how-to-use-javascript-in-link-to-remote/49938 "2005-12-11T19:26:54Z")
Cheers, I have a form with an input inside that I want to be able to submit by itself (I want to let the user create new tags with this input and use them to tag the whole content that is posted by the rest of the fo… --- ## [When do we need to use AASM](https://www.ruby-forum.com/t/when-do-we-need-to-use-aasm/233755)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [January 9, 2015, 3:50pm UTC](https://www.ruby-forum.com/t/when-do-we-need-to-use-aasm/233755 "2015-01-09T15:50:38Z")
I am searching AASM gem to apply my demo project but I am wondering when I really need to use it and use it in what case? What is advantages and disadvantages? So if someone has experiences on it, could you tell me k… --- ## [Install UCLA-gr-802.15.4 into E100 has error](https://www.ruby-forum.com/t/install-ucla-gr-802-15-4-into-e100-has-error/231380)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 6, 2014, 10:01am UTC](https://www.ruby-forum.com/t/install-ucla-gr-802-15-4-into-e100-has-error/231380 "2014-08-06T10:01:11Z")
Hello everyone: Recently, I want to install UCLA-gr-ieee802.15.4 module into my USRP E100. When I was configuring it, UCLA-gr-ieee802.15.4 had some error. I modify the PATH as follow: //“C\_INCLUDE\_PATH=/usr/include/… --- ## [Filter design](https://www.ruby-forum.com/t/filter-design/231139)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 23, 2014, 3:48pm UTC](https://www.ruby-forum.com/t/filter-design/231139 "2014-07-23T15:48:12Z")
Hello, GNURadio offers three different interfaces to design filters from Python code: gnuradio.filter.firdes.xxx, gnuradio.filter.firdes.xxx\_2, and gnuradio.filter.optfir.xxx. The three interfaces use different param… --- ## [What conditions will cause block destructor to be skipped?](https://www.ruby-forum.com/t/what-conditions-will-cause-block-destructor-to-be-skipped/246396)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [October 12, 2013, 6:50pm UTC](https://www.ruby-forum.com/t/what-conditions-will-cause-block-destructor-to-be-skipped/246396 "2013-10-12T18:50:06Z")
Rarely, I’m seeing evidence that my custom source block destructor is not being called. My flowgraph was built with “No GUI” and “Prompt for Exit” options (GR 3.7.1+) The condition is that my source block’s work func… --- ## [Difference between a new and old Costas loop](https://www.ruby-forum.com/t/difference-between-a-new-and-old-costas-loop/220619)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [July 13, 2012, 10:55am UTC](https://www.ruby-forum.com/t/difference-between-a-new-and-old-costas-loop/220619 "2012-07-13T10:55:23Z")
Hello for all I Have my program with old gr.costas\_loop\_cc and I would like to adapt it to the new version of GNURADIO 3.6.1 of Yesterday :slight\_smile: My old costas loop present like that : gr.costas\_loop\_cc(0.05, … --- ## [Why do I keep having libtool issues during installation](https://www.ruby-forum.com/t/why-do-i-keep-having-libtool-issues-during-installation/181021)
**Author:** [@Mir\_MSAli](https://www.ruby-forum.com/u/Mir_MSAli)\ **Replies:** 2\ **Last updated:** [January 5, 2010, 5:28am UTC](https://www.ruby-forum.com/t/why-do-i-keep-having-libtool-issues-during-installation/181021 "2010-01-05T05:28:26Z")
Hi friends, I am completely confused and need some help. I have a few gnuradio blocks that I made and the installation worked perfectly fine earlier when I worked on my laptop. A few months ago I tried installing th… --- ## [ActiveRecord::Base -\> what does it mean?](https://www.ruby-forum.com/t/activerecord-base-what-does-it-mean/169857)
**Author:** [@tivrfoa](https://www.ruby-forum.com/u/tivrfoa)\ **Replies:** 2\ **Last updated:** [June 9, 2009, 8:18pm UTC](https://www.ruby-forum.com/t/activerecord-base-what-does-it-mean/169857 "2009-06-09T20:18:57Z")
Hi folks! I just want to know the name of the relationship between ActiveRecord and Base. Thanks!!! --- ## [So, uh, where's my gem?](https://www.ruby-forum.com/t/so-uh-wheres-my-gem/155183)
**Author:** [@Zeekar](https://www.ruby-forum.com/u/Zeekar)\ **Replies:** 2\ **Last updated:** [December 10, 2008, 12:24am UTC](https://www.ruby-forum.com/t/so-uh-wheres-my-gem/155183 "2008-12-10T00:24:10Z")
$ sudo gem install net-sftp Successfully installed net-sftp-2.0.1 1 gem installed Installing ri documentation for net-sftp-2.0.1… Installing RDoc documentation for net-sftp-2.0.1… $ irb -rubygems -rnet-sftp /usr/li… --- ## [FTP File download](https://www.ruby-forum.com/t/ftp-file-download/122284)
**Author:** [@brianspaid](https://www.ruby-forum.com/u/brianspaid)\ **Replies:** 2\ **Last updated:** [December 6, 2007, 6:42pm UTC](https://www.ruby-forum.com/t/ftp-file-download/122284 "2007-12-06T18:42:12Z")
Hello, I am a Ruby N. I need to login to a ftp server and download the newest file on the server. I know the basics of Net::FTP but I can’t figure out how to download the newest file based on its time stamp. Any Ide… --- ## [Add image to CSV file](https://www.ruby-forum.com/t/add-image-to-csv-file/119949)
**Author:** [@johnnybutler7](https://www.ruby-forum.com/u/johnnybutler7)\ **Replies:** 2\ **Last updated:** [November 12, 2007, 3:30pm UTC](https://www.ruby-forum.com/t/add-image-to-csv-file/119949 "2007-11-12T15:30:12Z")
I am trying to generate a report from my rails app which needs a photo displayed for each record. This anyone know what the best way is to do this or if it is possible? Ive searched the forums and the net but cant fi… --- ## [Rev 6467 make problem](https://www.ruby-forum.com/t/rev-6467-make-problem/114941)
**Author:** [@hgranqvist](https://www.ruby-forum.com/u/hgranqvist)\ **Replies:** 2\ **Last updated:** [September 19, 2007, 1:35am UTC](https://www.ruby-forum.com/t/rev-6467-make-problem/114941 "2007-09-19T01:35:16Z")
Hi, I got svn rev 6467 of the gnuradio trunk today and it built fine (with no errors) on my Ubuntu desktop machine. Then I tried the same on my Ubuntu server machine and ‘make’ ended with the following: I deleted th… --- ## [HighLine and Readline](https://www.ruby-forum.com/t/highline-and-readline/111226)
**Author:** [@Ari\_B](https://www.ruby-forum.com/u/Ari_B)\ **Replies:** 2\ **Last updated:** [August 4, 2007, 1:20am UTC](https://www.ruby-forum.com/t/highline-and-readline/111226 "2007-08-04T01:20:24Z")
Hey, Good news: In my quest for buffer a user’s input serverside, I have found an answer (which is rather easy). Oh, and I got HighLine working over sockets. I need to use HighLine::Question with the Readline attrib… --- ## [Problems install rails-engine on a gentoo machine](https://www.ruby-forum.com/t/problems-install-rails-engine-on-a-gentoo-machine/55116)
**Author:** [@hikaru79](https://www.ruby-forum.com/u/hikaru79)\ **Replies:** 2\ **Last updated:** [March 17, 2006, 2:10pm UTC](https://www.ruby-forum.com/t/problems-install-rails-engine-on-a-gentoo-machine/55116 "2006-03-17T14:10:29Z")
Hi everybody! Rails-Engine is a very promising technology! I am really looking forward to use the login and user engine(the exact two things i need right now to complete an webapplication). I have Gentoo installed o… --- ## [Re-implementing Autoload](https://www.ruby-forum.com/t/re-implementing-autoload/225442)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 5\ **Last updated:** [January 10, 2013, 2:56pm UTC](https://www.ruby-forum.com/t/re-implementing-autoload/225442 "2013-01-10T14:56:41Z")
Finally accepting the fact that autoload will never be fixed (i.e. there it no way to override require to effect autoload’s behavior) I decided to try re-implementing autoload in Ruby itself. So here’s what I arrived… --- ## [ActionController::RoutingError in Products#index](https://www.ruby-forum.com/t/actioncontroller-routingerror-in-products-index/160092)
**Author:** [@ash](https://www.ruby-forum.com/u/ash)\ **Replies:** 5\ **Last updated:** [December 21, 2012, 12:05pm UTC](https://www.ruby-forum.com/t/actioncontroller-routingerror-in-products-index/160092 "2012-12-21T12:05:14Z")
Env: rails 2.2.2 oracle 10g Have created a table and sequence create table products ( id number not null, title varchar2(100) not null, description varchar2(255) not null, image\_url varchar2(200) not null, price… --- ## [\[ruby-trunk - Feature #6218\]\[Open\] struct.cのrb struct s members m()について](https://www.ruby-forum.com/t/ruby-trunk-feature-6218-open-struct-c-rb-struct-s-members-m/218333)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [May 22, 2012, 5:24am UTC](https://www.ruby-forum.com/t/ruby-trunk-feature-6218-open-struct-c-rb-struct-s-members-m/218333 "2012-05-22T05:24:45Z")
Issue #6218 has been reported by Glass\_saga (Masaki M.). Feature #6218: struct.cのrb\_struct\_s\_members\_m()について Author: Glass\_saga (Masaki M.) Status: Open Priority: Normal Assignee: Category: Target version: 表題の関… --- ## [Require in 1.9.2 and 1.9.1](https://www.ruby-forum.com/t/require-in-1-9-2-and-1-9-1/207506)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [May 27, 2011, 3:02pm UTC](https://www.ruby-forum.com/t/require-in-1-9-2-and-1-9-1/207506 "2011-05-27T15:02:18Z")
\#i have a file ‘user.rb’ in the current directory. if i … require “user” #i get this messege (1.9.2 in xp and in windows 7) ##internal:lib/rubygems/custom\_require:29:in \`require’: no such file to ##load – user\_input… --- ## [Usrp2\_fft.grc hangs when executed](https://www.ruby-forum.com/t/usrp2-fft-grc-hangs-when-executed/207001)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [May 16, 2011, 1:12am UTC](https://www.ruby-forum.com/t/usrp2-fft-grc-hangs-when-executed/207001 "2011-05-16T01:12:28Z")
Hi, When I run usrp2\_fft.grc, it just hangs on execution, nothing gets displayed and the FFT plot doesn’t get updated. I’ve set the frequency to 104.1M, decimation value to 16. The FFT Plot gui is completely un-respo… --- ## [If-Unmodified-Since](https://www.ruby-forum.com/t/if-unmodified-since/199962)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 5\ **Last updated:** [December 2, 2010, 6:23pm UTC](https://www.ruby-forum.com/t/if-unmodified-since/199962 "2010-12-02T18:23:45Z")
It appears from documentation and Googling that nginx supports the If-Modified-Since header but not the If-Unmodified-Since header; are there any plans to add support? Thanks, Jeff --- ## [Serving up images dynamically and preventing hotlinks](https://www.ruby-forum.com/t/serving-up-images-dynamically-and-preventing-hotlinks/106070)
**Author:** [@yardboy](https://www.ruby-forum.com/u/yardboy)\ **Replies:** 5\ **Last updated:** [November 29, 2010, 4:03pm UTC](https://www.ruby-forum.com/t/serving-up-images-dynamically-and-preventing-hotlinks/106070 "2010-11-29T16:03:45Z")
I create and serve images dynamically from a controller using RMagick. I’d like to be able to display these images in my views, but I want to prevent someone from hotlinking these images and consequently swiping my ba… --- ## [Call for Cooperation: CFUNC usage survey](https://www.ruby-forum.com/t/call-for-cooperation-cfunc-usage-survey/197488)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 5\ **Last updated:** [October 21, 2010, 5:29pm UTC](https://www.ruby-forum.com/t/call-for-cooperation-cfunc-usage-survey/197488 "2010-10-21T17:29:42Z")
Hi, I want to survey the Ruby interpreter usage. If you have a real application on Ruby 1.9 trunk if that application has a performance issue, it is welcome. the build environment time please cooperate me to survey… --- ## [Surprising](https://www.ruby-forum.com/t/surprising/179575)
**Author:** [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Replies:** 5\ **Last updated:** [December 3, 2009, 4:52pm UTC](https://www.ruby-forum.com/t/surprising/179575 "2009-12-03T16:52:08Z")
It is somewhat surprising to me, as a newbie, to have to assert a.should be\_a(Hash) That extra space in there feels awkward. Suggestion: allow for constructs like a.should.be\_a(Hash) Thoughts? Much thanks. -r --- ## [Has\_many :through problem](https://www.ruby-forum.com/t/has-many-through-problem/166356)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 5\ **Last updated:** [May 20, 2009, 4:25am UTC](https://www.ruby-forum.com/t/has-many-through-problem/166356 "2009-05-20T04:25:47Z")
This may be a stupid question but I seriously can not find what’s wrong. Using Rails 2.3 and Ruby 1.8.7 I have: class Category \< ActiveRecord::Base has\_many :categories\_users has\_many :users, :through =\> :categories… --- ## [Layout antics](https://www.ruby-forum.com/t/layout-antics/166958)
**Author:** [@dwormuth](https://www.ruby-forum.com/u/dwormuth)\ **Replies:** 5\ **Last updated:** [May 2, 2009, 6:53pm UTC](https://www.ruby-forum.com/t/layout-antics/166958 "2009-05-02T18:53:18Z")
I have a strange problem with my layout file. I think it may be due to nested partials, but removing the deepest nested partial call does not clear the problem. I have an application wide layout (application.html.erb)… --- ## [Method missing and arrays as arguments](https://www.ruby-forum.com/t/method-missing-and-arrays-as-arguments/164873)
**Author:** [@kyle\_s](https://www.ruby-forum.com/u/kyle_s)\ **Replies:** 5\ **Last updated:** [April 7, 2009, 7:39pm UTC](https://www.ruby-forum.com/t/method-missing-and-arrays-as-arguments/164873 "2009-04-07T19:39:17Z")
How do you go about passing arrays as arguments to something like method\_missing? I’ve got a method that takes an array as an argument, but calling it via method\_missing is proving problematic. How do you deal with … --- ## [Dynamically add includes to an association?](https://www.ruby-forum.com/t/dynamically-add-includes-to-an-association/158349)
**Author:** [@cmaxvv](https://www.ruby-forum.com/u/cmaxvv)\ **Replies:** 5\ **Last updated:** [January 22, 2009, 12:58pm UTC](https://www.ruby-forum.com/t/dynamically-add-includes-to-an-association/158349 "2009-01-22T12:58:48Z")
I have an association user.lessons. Sometimes i just want the lessons, other times i want the lessons to eager-load one of their own associations, ‘assets’. Theres a couple of ways i can see to deal with this and i’… --- ## [How could I uninstall the build-in gems in Leopard](https://www.ruby-forum.com/t/how-could-i-uninstall-the-build-in-gems-in-leopard/153445)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 5\ **Last updated:** [November 23, 2008, 3:48pm UTC](https://www.ruby-forum.com/t/how-could-i-uninstall-the-build-in-gems-in-leopard/153445 "2008-11-23T15:48:50Z")
I am a newbie on the Mac and ROR. I am trying to install the rails on my Leopard today and get its done. But I found for many of the gems, there are tow versions installed on my machine. There is a lower version insta… --- ## [Acts\_as\_rated](https://www.ruby-forum.com/t/acts-as-rated/147797)
**Author:** [@pperez](https://www.ruby-forum.com/u/pperez)\ **Replies:** 5\ **Last updated:** [September 6, 2008, 6:23pm UTC](https://www.ruby-forum.com/t/acts-as-rated/147797 "2008-09-06T18:23:24Z")
Hola a todos, estoy probando un plugin llamado acts\_as\_rated a partir del cual puedo valorar un modelo, Esto lo he conseguido sin problemas, pero lo que quiero es valorar varias cosas de un modelo, por ejemplo, imagin… [Previous page](https://www.ruby-forum.com/top.md?page=1082&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1084&per_page=50)