# Top **URL:** https://www.ruby-forum.com/top.md?page=568 [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:** 569 --- ## [Where to put common methods](https://www.ruby-forum.com/t/where-to-put-common-methods/105036)
**Author:** [@giorgio](https://www.ruby-forum.com/u/giorgio)\ **Replies:** 7\ **Last updated:** [June 4, 2007, 7:50am UTC](https://www.ruby-forum.com/t/where-to-put-common-methods/105036 "2007-06-04T07:50:42Z")
I seem to have missed something in my (limited) rails experience. I can put lots of stuff in helpers for the views to call but these methods aren’t accessible to the controller. Now they always bang on about “Dont Rep… --- ## [Patch for](https://www.ruby-forum.com/t/patch-for/134576)
**Author:** [@wanabe](https://www.ruby-forum.com/u/wanabe)\ **Replies:** 5\ **Last updated:** [April 16, 2008, 1:41pm UTC](https://www.ruby-forum.com/t/patch-for/134576 "2008-04-16T13:41:11Z")
e$B%o%J%Y$H?=$7$^$9!#e(B Fiber e$B$N%H%C%W%U%l!\<%\`$Ke(B ISeq e$B$r2C$($k%Q%C%A$r=q$-$^$7$?!#e(B e$B$D$$$G$J$N$Ge(B Thread e$B$bF1MM$K$7$^$7$?!#e(B test\_knownbug.rb e$B$Ne(B \[ruby-dev:34128\] e$B$H$"$k%F%9%H$,DL$k$h$&$… --- ## [(basic sql) search datetime column by date](https://www.ruby-forum.com/t/basic-sql-search-datetime-column-by-date/132429)
**Author:** [@jko170](https://www.ruby-forum.com/u/jko170)\ **Replies:** 5\ **Last updated:** [March 21, 2008, 7:45am UTC](https://www.ruby-forum.com/t/basic-sql-search-datetime-column-by-date/132429 "2008-03-21T07:45:49Z")
I have a datetime column and I need to search by a date, not datetime. So obviously, I cannot do this: find(:all, :conditions =\> \[‘my\_datetime\_column = ?’, Date.today\]) All I want to do is find the records on a dateti… --- ## [How to test if is a property is a foreign key](https://www.ruby-forum.com/t/how-to-test-if-is-a-property-is-a-foreign-key/83873)
**Author:** [@pantouffe](https://www.ruby-forum.com/u/pantouffe)\ **Replies:** 5\ **Last updated:** [January 31, 2007, 5:03pm UTC](https://www.ruby-forum.com/t/how-to-test-if-is-a-property-is-a-foreign-key/83873 "2007-01-31T17:03:35Z")
Hi, How could i test if the property with a certain name, is a foreign key (the foreign key relation is declared in the model, not in the table) example: belongs\_to :city, :class\_name =\> “City”, :foreign\_key =\> “CITY… --- ## [WX GUI Constellation sink plot freez?](https://www.ruby-forum.com/t/wx-gui-constellation-sink-plot-freez/237705)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 29, 2013, 2:20am UTC](https://www.ruby-forum.com/t/wx-gui-constellation-sink-plot-freez/237705 "2013-11-29T02:20:23Z")
Hello list, I got questions re the WX GUI Constellation Sink block: 1/ Could anyone give descriptions of what is Theta ? Loop bandwidth ? Max Freq ? Mu ? Gain Mu ? Symbol Rate ? Omega Limit ? 2/ What are the essenti… --- ## [The requested feature is not implemented](https://www.ruby-forum.com/t/the-requested-feature-is-not-implemented/214919)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [December 15, 2011, 10:15pm UTC](https://www.ruby-forum.com/t/the-requested-feature-is-not-implemented/214919 "2011-12-15T22:15:17Z")
Hello all, Why might I get the error “The requested feature is not implemented” when calling load\_assembly() to load in a Mono-compiled DLL under Ubuntu? When I use the same script to require the same binary under W… --- ## [How-to sorting after group\_by?](https://www.ruby-forum.com/t/how-to-sorting-after-group-by/210251)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [August 3, 2011, 12:18pm UTC](https://www.ruby-forum.com/t/how-to-sorting-after-group-by/210251 "2011-08-03T12:18:26Z")
I tried this code: voiplogs = where(\[‘data \> ? AND data \< ?’, start\_date, end\_date\]).group\_by(&:cli) it’s works, but how add also sort by :cli Tanks to all Fabio --- ## [Convert Ruby Array to Java Array](https://www.ruby-forum.com/t/convert-ruby-array-to-java-array/151144)
**Author:** [@Marcin\_PiSSS\_rkowsk](https://www.ruby-forum.com/u/Marcin_PiSSS_rkowsk)\ **Replies:** 2\ **Last updated:** [October 17, 2008, 12:11pm UTC](https://www.ruby-forum.com/t/convert-ruby-array-to-java-array/151144 "2008-10-17T12:11:59Z")
Hi everyone, Recently I would like to convert Ruby array to Java array with ‘double’ elements. I use syntax: ruby\_array = \[\[1,2\],\[3,4\]\] java\_array = ruby\_array.to\_java :Double which return: “java.lang.reflect.Array:… --- ## [Apache2, CGI, Ruby & Hello-World](https://www.ruby-forum.com/t/apache2-cgi-ruby-hello-world/68689)
**Author:** [@atraeyu](https://www.ruby-forum.com/u/atraeyu)\ **Replies:** 2\ **Last updated:** [September 14, 2006, 6:28pm UTC](https://www.ruby-forum.com/t/apache2-cgi-ruby-hello-world/68689 "2006-09-14T18:28:03Z")
According to ProgrammingRuby : You can use Ruby to write CGI scripts quite easily. To have a Ruby script generate HTML output, all you need is Code: #!/usr/bin/env ruby print “HTTP/1.0 200 OK\\r\\n” print “Content-type… --- ## [High CPU Usage and NGINX Hangup](https://www.ruby-forum.com/t/high-cpu-usage-and-nginx-hangup/239540)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [March 5, 2014, 6:16am UTC](https://www.ruby-forum.com/t/high-cpu-usage-and-nginx-hangup/239540 "2014-03-05T06:16:45Z")
I am seeing my NGINX server randomly hangup. Multiple worker processes utilizing 100% CPU. I see the hangups in strace, but not quite sure what would be causing the issue. 0.000081 futex(0x7f563c893068, FUTEX\_WAIT, 0,… --- ## [Ruby DBI MySQL: how to specify protocol=tcp](https://www.ruby-forum.com/t/ruby-dbi-mysql-how-to-specify-protocol-tcp/134776)
**Author:** [@kyle](https://www.ruby-forum.com/u/kyle)\ **Replies:** 3\ **Last updated:** [April 15, 2008, 5:07pm UTC](https://www.ruby-forum.com/t/ruby-dbi-mysql-how-to-specify-protocol-tcp/134776 "2008-04-15T17:07:28Z")
Hello! I’m using a ruby script to synchronize a remote (web) MySQL database with a local database. I had been remotely accessing the database through a non-standard port, but I would much rather use an SSH tunnel fo… --- ## [How i can set frozen\_string\_literal in pry?](https://www.ruby-forum.com/t/how-i-can-set-frozen-string-literal-in-pry/251027)
**Author:** [@dp100](https://www.ruby-forum.com/u/dp100)\ **Replies:** 1\ **Last updated:** [November 13, 2018, 11:13pm UTC](https://www.ruby-forum.com/t/how-i-can-set-frozen-string-literal-in-pry/251027 "2018-11-13T23:13:31Z")
In ruby version 2.3.0 and higher, I can work with frozen string. I can activate this mode with: magic comment: #frozen\_string\_literal\_string: true or with the flag: --enable-frozen-string-literal Working… --- ## [Rails and PostgreSQL bytea](https://www.ruby-forum.com/t/rails-and-postgresql-bytea/52719)
**Author:** [@rickthemick](https://www.ruby-forum.com/u/rickthemick)\ **Replies:** 1\ **Last updated:** [January 19, 2006, 6:22pm UTC](https://www.ruby-forum.com/t/rails-and-postgresql-bytea/52719 "2006-01-19T18:22:53Z")
Hi! I’m trying to insert binary data into a PostgreSQL database where the field is of type ‘bytea’. This works fine if a do Base64 encoding but I just want to do character escaping. How do I do this???. What I get is… --- ## [Can not connect USRP2 with UHD drivers](https://www.ruby-forum.com/t/can-not-connect-usrp2-with-uhd-drivers/205458)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [April 12, 2011, 5:41am UTC](https://www.ruby-forum.com/t/can-not-connect-usrp2-with-uhd-drivers/205458 "2011-04-12T05:41:30Z")
hello, I can’t connect to the USRP2 using the latest version of the UHD driver from the git repository. I am using Ubuntu 10.04 and I have followed the instruction at Can't connect to USRP2 using UHD driver - GNU Radi… --- ## [Redmine + rails + nginx](https://www.ruby-forum.com/t/redmine-rails-nginx/166658)
**Author:** [@Harald\_L](https://www.ruby-forum.com/u/Harald_L)\ **Replies:** 6\ **Last updated:** [April 29, 2009, 8:27am UTC](https://www.ruby-forum.com/t/redmine-rails-nginx/166658 "2009-04-29T08:27:31Z")
hello, i’m currently using nginx as proxy for webrick running redmine. i’m not very happy with this, i would like to run redmine using fastcgi with nginx (without proxying to webrick, mongrel, etc.). however, as i’m … --- ## [Rails 2 es menos DRY?](https://www.ruby-forum.com/t/rails-2-es-menos-dry/124158)
**Author:** [@Jaime\_I](https://www.ruby-forum.com/u/Jaime_I)\ **Replies:** 6\ **Last updated:** [December 26, 2007, 8:31pm UTC](https://www.ruby-forum.com/t/rails-2-es-menos-dry/124158 "2007-12-26T20:31:36Z")
Me pregunto por qué el scaffold de Rails 2 ahora genera por separado el formulario de new y edit, sin compartir un partial \_form. --- ## [Texmate](https://www.ruby-forum.com/t/texmate/92636)
**Author:** [@Charles\_LSSnyder](https://www.ruby-forum.com/u/Charles_LSSnyder)\ **Replies:** 6\ **Last updated:** [April 22, 2007, 2:20am UTC](https://www.ruby-forum.com/t/texmate/92636 "2007-04-22T02:20:11Z")
Hi I installed ruby 1.8.5 and rails on mac osX 10.4.9 via darwinports. Ever since, using the run command (cmd-R) for ruby programs from textmate gives me: “/bin/bash: line 4: Sat Apr 21 17:18:00 CDT 2007 /usr/local… --- ## [Ruby-ldap timeout](https://www.ruby-forum.com/t/ruby-ldap-timeout/186185)
**Author:** [@mhfs](https://www.ruby-forum.com/u/mhfs)\ **Replies:** 4\ **Last updated:** [April 5, 2010, 7:28am UTC](https://www.ruby-forum.com/t/ruby-ldap-timeout/186185 "2010-04-05T07:28:33Z")
Hello list, Does anyone know if ruby-ldap supports connection timeouts? We have LDAP integrated into our authentication system to provide LDAP authentication as well. It works fine if you input a valid host/port and … --- ## [Verificar si un sitio esta en linea](https://www.ruby-forum.com/t/verificar-si-un-sitio-esta-en-linea/174447)
**Author:** [@rcarlos\_ag](https://www.ruby-forum.com/u/rcarlos_ag)\ **Replies:** 4\ **Last updated:** [September 3, 2009, 8:41pm UTC](https://www.ruby-forum.com/t/verificar-si-un-sitio-esta-en-linea/174447 "2009-09-03T20:41:57Z")
Hola amigos de RoR. Tengo el siguiente problema: sucede que estoy haciendo un redirect en un controlador, algo parecido a esto: def … … redirect\_to “www.sitio.com” end el problema es que si el sitio no es en lin… --- ## [Problem launching mongrel](https://www.ruby-forum.com/t/problem-launching-mongrel/155788)
**Author:** [@sobert](https://www.ruby-forum.com/u/sobert)\ **Replies:** 4\ **Last updated:** [December 16, 2008, 9:48pm UTC](https://www.ruby-forum.com/t/problem-launching-mongrel/155788 "2008-12-16T21:48:05Z")
Hello. I use capistrano with mongrel and apache. When I cap deploy:start, It launches nothing. So I : sd-17133:/var/rails/canardps3/current# mongrel\_cluster\_ctl start Starting all mongrel\_clusters… /usr/local/bin/mo… --- ## [Validates\_uniqueness\_of with a condition](https://www.ruby-forum.com/t/validates-uniqueness-of-with-a-condition/60340)
**Author:** [@eno](https://www.ruby-forum.com/u/eno)\ **Replies:** 4\ **Last updated:** [May 12, 2006, 3:52pm UTC](https://www.ruby-forum.com/t/validates-uniqueness-of-with-a-condition/60340 "2006-05-12T15:52:08Z")
Hi, I need to check the uniqueness of an attribute (a doc number) using a condition (a specific year), I’ve found validates\_uniqueness\_of :number, but I need to tell it I just want to check a specific year. I’ve foun… --- ## [State of offline signal analysis tools in 2014?](https://www.ruby-forum.com/t/state-of-offline-signal-analysis-tools-in-2014/230993)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 8\ **Last updated:** [July 17, 2014, 2:02pm UTC](https://www.ruby-forum.com/t/state-of-offline-signal-analysis-tools-in-2014/230993 "2014-07-17T14:02:32Z")
GNU Radio is a great tool for applications and dynamic experimentation, but it doesn’t have a lot of support for static/offline analysis of time-series data. I.e. I’ve captured some signal data and I want to explore … --- ## [\[Rubyday 2013\] Hackathon, code fest?](https://www.ruby-forum.com/t/rubyday-2013-hackathon-code-fest/224582)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 8\ **Last updated:** [November 18, 2012, 12:31am UTC](https://www.ruby-forum.com/t/rubyday-2013-hackathon-code-fest/224582 "2012-11-18T00:31:44Z")
Vi piacerebbe un hackathon anche a Rubyday 2013 ? Qualcosa di simile a http://venezia.codemotion.it/hackathon/index.html ? Se l’idea vi piace possiamo organizzare qualcosa con http://48rails.it/, WhyMCA, Frankenstein … --- ## [Mutex](https://www.ruby-forum.com/t/mutex/183489)
**Author:** [@coldpeace](https://www.ruby-forum.com/u/coldpeace)\ **Replies:** 8\ **Last updated:** [February 16, 2010, 11:05pm UTC](https://www.ruby-forum.com/t/mutex/183489 "2010-02-16T23:05:29Z")
Hi, I have a trouble using the ConditionVariable and Mutex Class , Actualy , I’m tryin’ to make a Semaphore to manage Threads a simple semaphore with its 2 famous methods looks like : def acquire() raise "Interrupte… --- ## [Should have\_tag outside Rails](https://www.ruby-forum.com/t/should-have-tag-outside-rails/132166)
**Author:** [@Ashley\_M](https://www.ruby-forum.com/u/Ashley_M)\ **Replies:** 8\ **Last updated:** [March 18, 2008, 3:08pm UTC](https://www.ruby-forum.com/t/should-have-tag-outside-rails/132166 "2008-03-18T15:08:40Z")
Hi Google has not helped me here. I’m looking for a way to use the have\_tag assert\_select wrapper outside RSpec on Rails (but in a Rails project) so I can use it to check text strings. Has anyone managed this? Th… --- ## [\[ANN\] Rails 2.0.2 dispo](https://www.ruby-forum.com/t/ann-rails-2-0-2-dispo/123415)
**Author:** [@Jean-FranSSSSois\_Tr](https://www.ruby-forum.com/u/Jean-FranSSSSois_Tr)\ **Replies:** 8\ **Last updated:** [December 17, 2007, 5:16pm UTC](https://www.ruby-forum.com/t/ann-rails-2-0-2-dispo/123415 "2007-12-17T17:16:55Z")
Taggé au changeset 8430. Les fichiers sont dans RubyForge, mais ça n’'est pas propagé au niveau des gems (au moment où je vous écris). Par http://gems.rubyonrails.org ça passe. – Jean-François. – Ruby ( http://www.… --- ## [Rename params](https://www.ruby-forum.com/t/rename-params/240333)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [April 9, 2014, 5:34pm UTC](https://www.ruby-forum.com/t/rename-params/240333 "2014-04-09T17:34:37Z")
I access params from a controller. I need to rename one of keys. key value to stay the same Old name is :xx, value = ‘test’ New name is :yy, value = ‘test’ Simplest way to do this in one line of code? --- ## [Grid Cell Background Colour](https://www.ruby-forum.com/t/grid-cell-background-colour/219840)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [May 18, 2012, 7:15pm UTC](https://www.ruby-forum.com/t/grid-cell-background-colour/219840 "2012-05-18T19:15:49Z")
On to my next question. :slight\_smile: I’ve been trying to get the cell background colour to work for a Wx::Grid control. Setting a default background colour works, but using the set\_cell\_background\_colour method f… --- ## [Change class of existing object?](https://www.ruby-forum.com/t/change-class-of-existing-object/74717)
**Author:** [@AfonovS\_Max](https://www.ruby-forum.com/u/AfonovS_Max)\ **Replies:** 2\ **Last updated:** [November 7, 2006, 10:54am UTC](https://www.ruby-forum.com/t/change-class-of-existing-object/74717 "2006-11-07T10:54:36Z")
Hi All, I was wondering whether it’s at all possible to change the class of an already existing object. This is purely theoretical, so forgive me if this is against all the best practices. As a hint, what I have in m… --- ## [Unable to access Paperclip Avatar globally](https://www.ruby-forum.com/t/unable-to-access-paperclip-avatar-globally/242472)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 5\ **Last updated:** [June 27, 2015, 4:25pm UTC](https://www.ruby-forum.com/t/unable-to-access-paperclip-avatar-globally/242472 "2015-06-27T16:25:20Z")
In my application.html.erb, I have a navigation bar that stores the user avatar. He or she should be able to return to the main index or traverse through the different controllers without issue. I seem to be getting a … --- ## [Apache (both 1.3 & 2) not calling dispatch.fcgi on Debian](https://www.ruby-forum.com/t/apache-both-1-3-2-not-calling-dispatch-fcgi-on-debian/54921)
**Author:** [@Jeroen\_Heijmans](https://www.ruby-forum.com/u/Jeroen_Heijmans)\ **Replies:** 5\ **Last updated:** [March 16, 2006, 2:00pm UTC](https://www.ruby-forum.com/t/apache-both-1-3-2-not-calling-dispatch-fcgi-on-debian/54921 "2006-03-16T14:00:26Z")
We’re trying to run Ruby on Rails on Debian with Apache and FastCGI, but can’t get it to work. As far as we can tell, it seems to go wrong in the final stages; Apache appears not to be doing anything with dispatch.fcg… --- ## [Project for Ruby- Theater seating](https://www.ruby-forum.com/t/project-for-ruby-theater-seating/237188)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 7\ **Last updated:** [October 29, 2013, 4:50pm UTC](https://www.ruby-forum.com/t/project-for-ruby-theater-seating/237188 "2013-10-29T16:50:15Z")
I need help…This is a project I have been trying to finish. Write a program that can be used by a small theater to sell tickets. The theater auditorium has 15 row of seats with 30 seats in each row. The program should… --- ## [\#rubysocialclub OPAL hacking session](https://www.ruby-forum.com/t/rubysocialclub-opal-hacking-session/221047)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 7\ **Last updated:** [July 5, 2012, 10:25am UTC](https://www.ruby-forum.com/t/rubysocialclub-opal-hacking-session/221047 "2012-07-05T10:25:33Z")
Ciao ragazzi e ragazze, il prossimo Ruby Social Club e’ pronto con un’hacking session su OPAL (TL;DR = Ruby sul browser). Invito tutti i vogliosi ad iscriversi al neonato Google Event ( http://goo.gl/wlbAZ ). Sara’ u… --- ## [Cannot import name VERSION](https://www.ruby-forum.com/t/cannot-import-name-version/208705)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [June 29, 2011, 10:15am UTC](https://www.ruby-forum.com/t/cannot-import-name-version/208705 "2011-06-29T10:15:59Z")
Hi guys, I have gnuradio and gnuradio-companion installed, but I get the following error when I try to run grc: randy@RLP2:~$ grc Traceback (most recent call last): File “/usr/bin/grc”, line 33, in from gnuradio.… --- ## [How to Plot Data?](https://www.ruby-forum.com/t/how-to-plot-data/188372)
**Author:** [@iroupa](https://www.ruby-forum.com/u/iroupa)\ **Replies:** 7\ **Last updated:** [May 12, 2010, 2:30pm UTC](https://www.ruby-forum.com/t/how-to-plot-data/188372 "2010-05-12T14:30:27Z")
Hi all, I would like to plot some data from .txt or .csv files. Is it possible? And what gem do you use? I found rgnuplot but I can’t use it… Thanks in advanced for your help. Ivo R. --- ## [Number\_to\_currency not working since 2.1.1](https://www.ruby-forum.com/t/number-to-currency-not-working-since-2-1-1/172641)
**Author:** [@pimpmaster](https://www.ruby-forum.com/u/pimpmaster)\ **Replies:** 7\ **Last updated:** [July 24, 2009, 4:11pm UTC](https://www.ruby-forum.com/t/number-to-currency-not-working-since-2-1-1/172641 "2009-07-24T16:11:21Z")
Back in 2.1.1 everything was sweet: Loading development environment (Rails 2.3.3) include ActionView::Helpers::NumberHelper =\> Object number\_to\_currency(12.3) “$12.30” Then I upgraded to 2.3.2 and: Loading d… --- ## [About Radiant Podcast podcast tags and site structure](https://www.ruby-forum.com/t/about-radiant-podcast-podcast-tags-and-site-structure/156962)
**Author:** [@luigi](https://www.ruby-forum.com/u/luigi)\ **Replies:** 7\ **Last updated:** [January 6, 2009, 5:39pm UTC](https://www.ruby-forum.com/t/about-radiant-podcast-podcast-tags-and-site-structure/156962 "2009-01-06T17:39:16Z")
Hello Sean. Searching the mailing list I understand that the Radiant Podcast has been generated by radius tags and served by radiant itself. Wouldn’t you mind to share some details about the tags used, the page/sub-p… --- ## [PixbufSimpleAnim - looping animation](https://www.ruby-forum.com/t/pixbufsimpleanim-looping-animation/140801)
**Author:** [@andre\_nho](https://www.ruby-forum.com/u/andre_nho)\ **Replies:** 7\ **Last updated:** [June 19, 2008, 6:49pm UTC](https://www.ruby-forum.com/t/pixbufsimpleanim-looping-animation/140801 "2008-06-19T18:49:48Z")
Hello, I’m trying to use the PixbufSimpleAnim, to show a animation generated by multiple image files. The problem is that the animation runs once, and then stops. I saw in the samples that a gif file loaded using Pix… --- ## [Newbie: steps to install a plugin](https://www.ruby-forum.com/t/newbie-steps-to-install-a-plugin/100060)
**Author:** [@woow](https://www.ruby-forum.com/u/woow)\ **Replies:** 7\ **Last updated:** [July 26, 2006, 11:32pm UTC](https://www.ruby-forum.com/t/newbie-steps-to-install-a-plugin/100060 "2006-07-26T23:32:35Z")
Hi, I am having trouble to install a plugin…I have used the instruction from most sites and having problems in installation… if someone could exaplain this would be very helpfull as there is very less instructions on… --- ## [RUBY script reads a jason](https://www.ruby-forum.com/t/ruby-script-reads-a-jason/245256)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [February 21, 2017, 4:15pm UTC](https://www.ruby-forum.com/t/ruby-script-reads-a-jason/245256 "2017-02-21T16:15:12Z")
I need the parameters from the Jason file which is supplied from the legacy system to use those parameter values in the program module am building. can you suggest me any code to read out the jason file. Let me know i… --- ## [Recuperare il git number commit ruby on rails](https://www.ruby-forum.com/t/recuperare-il-git-number-commit-ruby-on-rails/243380)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [October 14, 2015, 3:12pm UTC](https://www.ruby-forum.com/t/recuperare-il-git-number-commit-ruby-on-rails/243380 "2015-10-14T15:12:15Z")
Ciao ho visto questo post su stack overflow dove mostra come recuperare il numero della versione git della propria app Il problema e che io sto usando ruby on rails 4 e quando provo a fare la stampa mi dice che le… --- ## [Issues with ajax requests and user session](https://www.ruby-forum.com/t/issues-with-ajax-requests-and-user-session/173669)
**Author:** [@jsoho](https://www.ruby-forum.com/u/jsoho)\ **Replies:** 3\ **Last updated:** [August 14, 2009, 4:03am UTC](https://www.ruby-forum.com/t/issues-with-ajax-requests-and-user-session/173669 "2009-08-14T04:03:26Z")
I’m using an exception notification plugin which sends me an email whenever an exception is raised on the rails server. Regularly I’m getting exception reports due to raising a PermissionDenied exception when a user h… --- ## [Per session caching options?](https://www.ruby-forum.com/t/per-session-caching-options/80613)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 3\ **Last updated:** [December 30, 2006, 1:26am UTC](https://www.ruby-forum.com/t/per-session-caching-options/80613 "2006-12-30T01:26:30Z")
I want to cache the sidebar(which is a partial) which is unique to a particular user. (like the right sidebar of basecamp ). Can fragment caching achieve this ? How can you clear the cache when the session is clear… --- ## [Pipe shell output to ruby -e?](https://www.ruby-forum.com/t/pipe-shell-output-to-ruby-e/73160)
**Author:** [@d0t1q](https://www.ruby-forum.com/u/d0t1q)\ **Replies:** 3\ **Last updated:** [October 22, 2006, 3:10pm UTC](https://www.ruby-forum.com/t/pipe-shell-output-to-ruby-e/73160 "2006-10-22T15:10:44Z")
I know this has been done before but search yields nothing :-\\ Just wondering how you can pipe output to ruby -e? I tried this but it doesnt work :frowning: borked echo “hello” |ruby -e ‘puts ARGV.to\_s’ Thanks for a… --- ## [Rspec singleton NoMethodError #new](https://www.ruby-forum.com/t/rspec-singleton-nomethoderror-new/243562)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [December 7, 2015, 12:41am UTC](https://www.ruby-forum.com/t/rspec-singleton-nomethoderror-new/243562 "2015-12-07T00:41:33Z")
Hi Guys, I’m attempting to build a test for a singleton class… Test.rb: require ‘singleton’ class Test include Singleton end As I understand it, this should make #new private but make available #instance. I want t… --- ## [Mongrel::HttpParserError: Invalid HTTP format, parsing fails](https://www.ruby-forum.com/t/mongrel-invalid-http-format-parsing-fails/193160)
**Author:** [@uma07](https://www.ruby-forum.com/u/uma07)\ **Replies:** 2\ **Last updated:** [August 22, 2011, 2:39pm UTC](https://www.ruby-forum.com/t/mongrel-invalid-http-format-parsing-fails/193160 "2011-08-22T14:39:59Z")
Hi All, How to solve this issue ? Thu Aug 12 10:49:15 +0530 2010: HTTP parse error, malformed request (127.0.0.1): #\ I'm working with the drag and… --- ## [Rescue\_from for NoMethodError](https://www.ruby-forum.com/t/rescue-from-for-nomethoderror/159962)
**Author:** [@shahroon\_ali](https://www.ruby-forum.com/u/shahroon_ali)\ **Replies:** 2\ **Last updated:** [February 10, 2009, 5:02pm UTC](https://www.ruby-forum.com/t/rescue-from-for-nomethoderror/159962 "2009-02-10T17:02:56Z")
Hi everyone, I was just trying to catch some exceptions in my app, for “Record Not Found” I used this in my application.rb file rescue\_from ActiveRecord::RecordNotFound, :with =\> :record\_not\_found rescue\_from Actio… --- ## [Who are the Moderators and how to contact them?](https://www.ruby-forum.com/t/who-are-the-moderators-and-how-to-contact-them/261611)
**Author:** [@jgomo3](https://www.ruby-forum.com/u/jgomo3)\ **Replies:** 1\ **Last updated:** [July 28, 2021, 3:51pm UTC](https://www.ruby-forum.com/t/who-are-the-moderators-and-how-to-contact-them/261611 "2021-07-28T15:51:03Z")
That’s it: Who are the Moderators and how to contact them? --- ## [Bad model name](https://www.ruby-forum.com/t/bad-model-name/162784)
**Author:** [@tned](https://www.ruby-forum.com/u/tned)\ **Replies:** 4\ **Last updated:** [March 14, 2009, 10:37am UTC](https://www.ruby-forum.com/t/bad-model-name/162784 "2009-03-14T10:37:31Z")
I created model named “whats\_new”. $ script/generate model whats\_new exists app/models/ exists test/unit/ exists test/fixtures/ create app/models/whats\_new.rb create test/unit/whats\_new\_test.rb create test/f… --- ## [RMagick problem: Image::read works well but Image::from\_blob](https://www.ruby-forum.com/t/rmagick-problem-image-read-works-well-but-image-from-blob/68910)
**Author:** [@Mike\_Meng](https://www.ruby-forum.com/u/Mike_Meng)\ **Replies:** 4\ **Last updated:** [September 7, 2008, 2:28pm UTC](https://www.ruby-forum.com/t/rmagick-problem-image-read-works-well-but-image-from-blob/68910 "2008-09-07T14:28:40Z")
Hi all, I want to determine the geometry of an image. The image file may be in local harddisk or on web. So I use open-uri and Magick::Image::from\_blob to do that work, here is the code: open(’’) { |f| image = Magic… [Previous page](https://www.ruby-forum.com/top.md?page=567&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=569&per_page=50)