# Top

**URL:** https://www.ruby-forum.com/top.md?page=715

[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:** 716

---

## [Automatic reindexing of associated columns acts\_as\_taggable](https://www.ruby-forum.com/t/automatic-reindexing-of-associated-columns-acts-as-taggable/69024)

<div class="topic-metadata">

**Author:** [@sid137](https://www.ruby-forum.com/u/sid137)\
**Replies:** 3\
**Last updated:** [September 18, 2006, 3:05pm UTC](https://www.ruby-forum.com/t/automatic-reindexing-of-associated-columns-acts-as-taggable/69024 "2006-09-18T15:05:46Z")

</div>

Hi, So i’m trying to use acts\_as\_taggable with the acts\_as\_ferret plugin, where I have Post.rb model, which has a method tag\_list made available through acts\_as\_taggable, as returns a string of associated tag words f…

---

## [Connect to postgres db](https://www.ruby-forum.com/t/connect-to-postgres-db/65530)

<div class="topic-metadata">

**Author:** [@TTTTTT](https://www.ruby-forum.com/u/TTTTTT)\
**Replies:** 3\
**Last updated:** [August 18, 2006, 10:17pm UTC](https://www.ruby-forum.com/t/connect-to-postgres-db/65530 "2006-08-18T22:17:10Z")

</div>

I’ve followed the tutorial and just don’t get it. How do I connect my ruby/rails sample app to my postgres database. I did follow step 1-4 of the tutorial, I go to step 5: (http://wiki.rubyonrails.org/rails/pages/Tuto…

---

## [General\_Work Not Executing](https://www.ruby-forum.com/t/general-work-not-executing/243173)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 4\
**Last updated:** [September 1, 2015, 6:28pm UTC](https://www.ruby-forum.com/t/general-work-not-executing/243173 "2015-09-01T18:28:32Z")

</div>

Hello All, I recently rewrote the Chat Sanitize and Chat Receiver blocks from the Tutorial module(Example 5) in C++. I did this because I wanted to add an acknowledgment feature into the blocks in order to add some ro…

---

## [Time tracking](https://www.ruby-forum.com/t/time-tracking/234872)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [December 5, 2014, 10:21am UTC](https://www.ruby-forum.com/t/time-tracking/234872 "2014-12-05T10:21:02Z")

</div>

Ciao lista, ho un pensiero che mi ronza per la testa riguardo la presunta (in)utilit di fare time-tracking delle attivit lavorative (incluse quelle per produttivit personale). Lo fate regolarmente? Vi utile? Se si,…

---

## [Features rollout](https://www.ruby-forum.com/t/features-rollout/238144)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 4\
**Last updated:** [December 20, 2013, 10:24am UTC](https://www.ruby-forum.com/t/features-rollout/238144 "2013-12-20T10:24:47Z")

</div>

Qualcuno usa una gem per fare il rollout di feature per gruppi di utenti? Si accettano consigli.

---

## [Has\_and\_belongs\_to\_many beziehung ohne id feld](https://www.ruby-forum.com/t/has-and-belongs-to-many-beziehung-ohne-id-feld/163429)

<div class="topic-metadata">

**Author:** [@nils](https://www.ruby-forum.com/u/nils)\
**Replies:** 4\
**Last updated:** [March 20, 2009, 11:55am UTC](https://www.ruby-forum.com/t/has-and-belongs-to-many-beziehung-ohne-id-feld/163429 "2009-03-20T11:55:28Z")

</div>

Hi an alle… Also ich hab ein problem… ich habe folgende tabellen: sms\_halle: ID, name, notiz, tjms\_hallenID, tjms\_kundenID, … mediakatselecthalle: mediaKatID, kundenID, hallenID mediakat: mediaKatID, medianame, d…

---

## [Form\_remote\_tag :onsubmit not working](https://www.ruby-forum.com/t/form-remote-tag-onsubmit-not-working/116218)

<div class="topic-metadata">

**Author:** [@shishir\_s](https://www.ruby-forum.com/u/shishir_s)\
**Replies:** 4\
**Last updated:** [October 3, 2007, 9:04pm UTC](https://www.ruby-forum.com/t/form-remote-tag-onsubmit-not-working/116218 "2007-10-03T21:04:41Z")

</div>

Hi, Has anyone successfully implemented the :onsubmit option for form\_remote\_tag. It doesn’t seem to work for me. Is there any specific version of rails which is required for the same. Here’s my piece of code. \<%= …

---

## [How to know the current Controller](https://www.ruby-forum.com/t/how-to-know-the-current-controller/110760)

<div class="topic-metadata">

**Author:** [@pmatos](https://www.ruby-forum.com/u/pmatos)\
**Replies:** 4\
**Last updated:** [July 30, 2007, 6:33pm UTC](https://www.ruby-forum.com/t/how-to-know-the-current-controller/110760 "2007-07-30T18:33:01Z")

</div>

How can I get in the …\\layouts\\application.rhtml the “name” of the current Controller? //I need to set the var page\_id: \<% @page\_id = “…current\_controler”%\> //to build correctly the menu \<%= menu\_builder(@page\_…

---

## [Class variable, set if not defined](https://www.ruby-forum.com/t/class-variable-set-if-not-defined/239180)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 5\
**Last updated:** [February 17, 2014, 9:45am UTC](https://www.ruby-forum.com/t/class-variable-set-if-not-defined/239180 "2014-02-17T09:45:35Z")

</div>

First, I am likely doing something very wrong and simply misunderstanding how class variables work. I’m a Perl guy by default so this is my first big project in Ruby. I’m trying to store another (unrelated) instantia…

---

## [Some warnings compiled with gcc 4.6.3](https://www.ruby-forum.com/t/some-warnings-compiled-with-gcc-4-6-3/219527)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 5\
**Last updated:** [December 13, 2012, 6:36am UTC](https://www.ruby-forum.com/t/some-warnings-compiled-with-gcc-4-6-3/219527 "2012-12-13T06:36:58Z")

</div>

$B!!$5$5$@$G$9!%(B $B!!(Bgcc 4.6.3 $B$G%S%k%I$7$?$i$$$/$D$+(B warning $B$,=P$?$N$G$4Js9p$G$9!%(B io.c: compiling …/trunk/io.c …/trunk/io.c: $B4X?t(B $B!F(Bio\_encoding\_set$B!G(B $BFb(B: …/trunk/io.c:8789:9: $B7Y9p(B…

---

## [Named scope with has many](https://www.ruby-forum.com/t/named-scope-with-has-many/198046)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 5\
**Last updated:** [October 25, 2010, 7:14pm UTC](https://www.ruby-forum.com/t/named-scope-with-has-many/198046 "2010-10-25T19:14:30Z")

</div>

Having a problem getting my head round a named\_scope problem I have the following: class Event \< ActiveRecord::Base has\_many :event\_alerts end class EventAlert \< ActiveRecord::Base belongs\_to :event end I want to…

---

## [Autospec runs failing specs forever in endless loop](https://www.ruby-forum.com/t/autospec-runs-failing-specs-forever-in-endless-loop/169219)

<div class="topic-metadata">

**Author:** [@juuser](https://www.ruby-forum.com/u/juuser)\
**Replies:** 5\
**Last updated:** [June 2, 2009, 6:23pm UTC](https://www.ruby-forum.com/t/autospec-runs-failing-specs-forever-in-endless-loop/169219 "2009-06-02T18:23:23Z")

</div>

I wanted to start using autospec on my little (non-Rails) project. I’m on Windows XP and have used it some time ago successfully (on the same PC), although I’ve updated many gems in the meantime (RSpec for example amo…

---

## [Truncate text?](https://www.ruby-forum.com/t/truncate-text/138696)

<div class="topic-metadata">

**Author:** [@scottrutherford](https://www.ruby-forum.com/u/scottrutherford)\
**Replies:** 5\
**Last updated:** [May 27, 2008, 4:36pm UTC](https://www.ruby-forum.com/t/truncate-text/138696 "2008-05-27T16:36:20Z")

</div>

Is there a Truncate tag or function? I’d like to show just a snippet of posts on my homepage without having to do so manually. So, that we enter a post, it can be any length, but on our homepage, we only show, say 15…

---

## [Installing Ruby on Red Hat Enterprise Edition on a Terminal](https://www.ruby-forum.com/t/installing-ruby-on-red-hat-enterprise-edition-on-a-terminal/127168)

<div class="topic-metadata">

**Author:** [@StecklyS\_Ron](https://www.ruby-forum.com/u/StecklyS_Ron)\
**Replies:** 5\
**Last updated:** [January 28, 2008, 3:42pm UTC](https://www.ruby-forum.com/t/installing-ruby-on-red-hat-enterprise-edition-on-a-terminal/127168 "2008-01-28T15:42:24Z")

</div>

Hi all, I just got a new VPS running Red Hat Enterprise Edition. Sort of regret it now, as I’ve always run things on Debian where I just use the sudo apt-get install command to get ruby and ruby gems on there. Do an…

---

## [InstalaciÃ³n en Windows](https://www.ruby-forum.com/t/instalacia-n-en-windows/121633)

<div class="topic-metadata">

**Author:** [@Ibai\_PeSSSSa](https://www.ruby-forum.com/u/Ibai_PeSSSSa)\
**Replies:** 5\
**Last updated:** [December 1, 2007, 3:11am UTC](https://www.ruby-forum.com/t/instalacia-n-en-windows/121633 "2007-12-01T03:11:10Z")

</div>

Buenas, Un newbie que se pone con Ruby. He leido bastante durante estos 2 ultimos dias, y tengo unas cuantas dudas que espero podais ayudarme a solventar. 1- Instalacion: tengo un Windows XP donde quiero instalar Rub…

---

## [Newbe - strange behavior of print](https://www.ruby-forum.com/t/newbe-strange-behavior-of-print/91661)

<div class="topic-metadata">

**Author:** [@caof2005](https://www.ruby-forum.com/u/caof2005)\
**Replies:** 5\
**Last updated:** [September 25, 2007, 11:10pm UTC](https://www.ruby-forum.com/t/newbe-strange-behavior-of-print/91661 "2007-09-25T23:10:10Z")

</div>

Hello folks, this is the scenario: I tried to run the following code in EasyEclipse for Ruby IDE and SciTE on WinXP Both has the same behavior. def main print "Enter the number of employees: " numEmp = gets puts …

---

## [VIA USB-2 combo card card, not working on linux for usrp](https://www.ruby-forum.com/t/via-usb-2-combo-card-card-not-working-on-linux-for-usrp/106171)

<div class="topic-metadata">

**Author:** [@drenovac](https://www.ruby-forum.com/u/drenovac)\
**Replies:** 5\
**Last updated:** [June 8, 2007, 2:10am UTC](https://www.ruby-forum.com/t/via-usb-2-combo-card-card-not-working-on-linux-for-usrp/106171 "2007-06-08T02:10:59Z")

</div>

Hi all, I am using a combo pccard (USB-2 and firewire) with VIA chipset to get USB-2 on my laptop. But using linux I can’t get it to work. I get usrp overruns, (uOuOuO) even with decimation factors of 200 when using…

---

## [Gruff Caching?](https://www.ruby-forum.com/t/gruff-caching/95331)

<div class="topic-metadata">

**Author:** [@a.filipowski](https://www.ruby-forum.com/u/a.filipowski)\
**Replies:** 5\
**Last updated:** [April 3, 2007, 5:42pm UTC](https://www.ruby-forum.com/t/gruff-caching/95331 "2007-04-03T17:42:21Z")

</div>

I have a partial that I am rendering that contains several graphs generated by gruff. These graphs are displaying data points pulled from my database, and I want to allow the user to change the datapoints (filter base…

---

## [Defining a category for articles](https://www.ruby-forum.com/t/defining-a-category-for-articles/86055)

<div class="topic-metadata">

**Author:** [@rubarachni](https://www.ruby-forum.com/u/rubarachni)\
**Replies:** 5\
**Last updated:** [February 20, 2007, 8:32pm UTC](https://www.ruby-forum.com/t/defining-a-category-for-articles/86055 "2007-02-20T20:32:45Z")

</div>

Hi, I would like to know if it’s possible with the mental branch to have a category / tag attached to an article. I made a search and it seems that a ticket corresponding to this feature has been closed. I also read …

---

## [ActiveSupport JSON working?](https://www.ruby-forum.com/t/activesupport-json-working/95313)

<div class="topic-metadata">

**Author:** [@dracos](https://www.ruby-forum.com/u/dracos)\
**Replies:** 5\
**Last updated:** [May 28, 2006, 8:11am UTC](https://www.ruby-forum.com/t/activesupport-json-working/95313 "2006-05-28T08:11:08Z")

</div>

Hi, I am trying to convert a hash to JSON using ActiveSupports built in .to\_json. I am doing similar to the example below but are there certain strings that could go in place of ‘bar’ or ‘rez’ that will break the to\_…

---

## [Custom highlighter/match vector access?](https://www.ruby-forum.com/t/custom-highlighter-match-vector-access/203600)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 0\
**Last updated:** [February 23, 2011, 5:16pm UTC](https://www.ruby-forum.com/t/custom-highlighter-match-vector-access/203600 "2011-02-23T17:16:08Z")

</div>

Hi everyone, I know from the archives things have kinda slowed down on ferret and there’s an effort ongoing with lucy, but I was wondering if anyone had discovered a way to enumerate the matches of a particular field …

---

## [Rails Already Supports View Components!](https://www.ruby-forum.com/t/rails-already-supports-view-components/264196)

<div class="topic-metadata">

**Author:** [@AndyMaleh](https://www.ruby-forum.com/u/AndyMaleh)\
**Replies:** 1\
**Last updated:** [August 19, 2023, 2:42am UTC](https://www.ruby-forum.com/t/rails-already-supports-view-components/264196 "2023-08-19T02:42:51Z")

</div>

The video for the Montreal.rb Ruby Meetup April 3, 2023 talk “Rails Already Supports View Components!” has been posted! This talk will explain the various ways Rails already supports view components out of the box. …

---

## [Rbenv problem with multiple OpenSSL versions required by different Ruby versions](https://www.ruby-forum.com/t/rbenv-problem-with-multiple-openssl-versions-required-by-different-ruby-versions/258949)

<div class="topic-metadata">

**Author:** [@JackRG](https://www.ruby-forum.com/u/JackRG)\
**Replies:** 1\
**Last updated:** [April 29, 2020, 10:51pm UTC](https://www.ruby-forum.com/t/rbenv-problem-with-multiple-openssl-versions-required-by-different-ruby-versions/258949 "2020-04-29T22:51:33Z")

</div>

I’ve been using Ruby 2.0.0 since 2013, and am finally being pushed to upgrade to a newer version for my Rails apps. I determined that I need to upgrade to at least 2.5.7. So, using rbenv to support multiple Ruby versions…

---

## [SIP, PyQt, PyQWT API Conflicts](https://www.ruby-forum.com/t/sip-pyqt-pyqwt-api-conflicts/235739)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 2\
**Last updated:** [July 16, 2013, 10:34pm UTC](https://www.ruby-forum.com/t/sip-pyqt-pyqwt-api-conflicts/235739 "2013-07-16T22:34:30Z")

</div>

Hi All- I’m having issues adding a QT Range block into my flow graph. Sine Signal -\> Low Pass Filter -\> QT Sink with filer bandwidth hard code, the flowgraph runs without an issue, but when I replace the bandwidth wi…

---

## [Is ruby CGI the good way](https://www.ruby-forum.com/t/is-ruby-cgi-the-good-way/227941)

<div class="topic-metadata">

**Author:** [@kenfc](https://www.ruby-forum.com/u/kenfc)\
**Replies:** 2\
**Last updated:** [April 4, 2013, 7:14am UTC](https://www.ruby-forum.com/t/is-ruby-cgi-the-good-way/227941 "2013-04-04T07:14:29Z")

</div>

Hi, We have a simple API plan, it does the standard web request/handle flow: get requests from users, do something with DB queries, return the results to users. I know well about CGI and ruby’s CGI module. So it’s qu…

---

## [Pull articles from multiple sources](https://www.ruby-forum.com/t/pull-articles-from-multiple-sources/198834)

<div class="topic-metadata">

**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Replies:** 2\
**Last updated:** [November 9, 2010, 2:01am UTC](https://www.ruby-forum.com/t/pull-articles-from-multiple-sources/198834 "2010-11-09T02:01:11Z")

</div>

Is there a way to pull archives from multiple urls, something like: \<r:if\_url matches="^/$"\> \<r:find url="/tutorials:/blog:/usn:/dsa"\> \<r:children:each order="desc" limit="5"\> \<article role="arti…

---

## [Gnuradio 64 qam 200 mhz](https://www.ruby-forum.com/t/gnuradio-64-qam-200-mhz/158727)

<div class="topic-metadata">

**Author:** [@didem\_colak](https://www.ruby-forum.com/u/didem_colak)\
**Replies:** 2\
**Last updated:** [August 1, 2009, 1:00pm UTC](https://www.ruby-forum.com/t/gnuradio-64-qam-200-mhz/158727 "2009-08-01T13:00:00Z")

</div>

Hi all, I want to configure USRP with Basic TX and Basic RX daughter boards using GNU Radio. I am not sure their capabilities are convenient for VHF 200 MHz and 64 QAM transmission. If they are suitable , which pyth…

---

## [Mongrel 1.1.1 Win32 (latest) + Rubygems](https://www.ruby-forum.com/t/mongrel-1-1-1-win32-latest-rubygems/122132)

<div class="topic-metadata">

**Author:** [@A\_R](https://www.ruby-forum.com/u/A_R)\
**Replies:** 2\
**Last updated:** [December 4, 2007, 9:28pm UTC](https://www.ruby-forum.com/t/mongrel-1-1-1-win32-latest-rubygems/122132 "2007-12-04T21:28:30Z")

</div>

Hello all. Hope this doesn’t appear as spam… I am trying to run Mongrel on Win XP (SP2) for a web site (just one at the moment). For some reason it is giving me this error: E:\\web\\app2\>mongrel\_rails start -p 4001 -d …

---

## [Background stripes not seen in my web application](https://www.ruby-forum.com/t/background-stripes-not-seen-in-my-web-application/242777)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 6\
**Last updated:** [July 25, 2015, 6:46pm UTC](https://www.ruby-forum.com/t/background-stripes-not-seen-in-my-web-application/242777 "2015-07-25T18:46:21Z")

</div>

I am learning Ruby on Rails using the textbook called “Agile Web Development with Rails (4th edition)”. I am currently on Chapter 6. I created the Depot application. Everything matches up with the author’s results exc…

---

## [Solving a 500 error](https://www.ruby-forum.com/t/solving-a-500-error/246327)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 6\
**Last updated:** [October 2, 2013, 3:30pm UTC](https://www.ruby-forum.com/t/solving-a-500-error/246327 "2013-10-02T15:30:55Z")

</div>

Hi All, I have an nginx install with the configuration below. The server is a linux VM running under Virtual Box on my windows machine. The website / directory is made available as a sharename using Samba, which I co…

---

## [Using UHD with one USRP and trying to verify that Im sending data](https://www.ruby-forum.com/t/using-uhd-with-one-usrp-and-trying-to-verify-that-im-sending-data/202282)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 6\
**Last updated:** [January 26, 2011, 2:25am UTC](https://www.ruby-forum.com/t/using-uhd-with-one-usrp-and-trying-to-verify-that-im-sending-data/202282 "2011-01-26T02:25:20Z")

</div>

I have on USRP and I’m simultaneously sending an receiving data from it using the UHD interface. Im trying to determine if I am sending my samples at all. I am sending all 100’s using COMPLEX\_FLOAT32 interface. I h…

---

## [\[Bug:trunk\] rubyspec: Time#+ rounds micro seconds rather than truncates FAILED](https://www.ruby-forum.com/t/bug-trunk-rubyspec-time-rounds-micro-seconds-rather-than-truncates-failed/183253)

<div class="topic-metadata">

**Author:** [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Replies:** 6\
**Last updated:** [April 20, 2010, 1:39pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-time-rounds-micro-seconds-rather-than-truncates-failed/183253 "2010-04-20T13:39:53Z")

</div>

akr e$B$5$se(B e$B1sF#$G$9!#e(B Evan P. e$B$He(B Time e$B$N5sF0$K$D$$$FAjCL$7$?\>e$Ge(B Time e$B$K$D$$$F0l1~$Ne(B e$B3NG’$G$9!#e(B 1.8 e$B$Ne(B Time#+ e$B$Oe(B usec e$B$G;M\<N8^F~$7$F$$$^$9$,!“e(B1.9 e$B$G$O$7$^$;$…

---

## [Overload \[\] operator and use a block?](https://www.ruby-forum.com/t/overload-operator-and-use-a-block/87202)

<div class="topic-metadata">

**Author:** [@StSSSSphane\_Wirtel](https://www.ruby-forum.com/u/StSSSSphane_Wirtel)\
**Replies:** 6\
**Last updated:** [February 28, 2007, 10:01pm UTC](https://www.ruby-forum.com/t/overload-operator-and-use-a-block/87202 "2007-02-28T22:01:19Z")

</div>

Hi all, I would like to know if it’s possible to overload the \[\] operator to use a block with it. example: class Test def # to do something here yield if block\_given? end end t = Test.new t\[‘string’\] do puts…

---

## [Ruby Developer](https://www.ruby-forum.com/t/ruby-developer/245109)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 0\
**Last updated:** [October 11, 2016, 5:32pm UTC](https://www.ruby-forum.com/t/ruby-developer/245109 "2016-10-11T17:32:37Z")

</div>

Qualcuno cerca un programmatore Ruby/Rails in Italia? Milano o remoto :slight\_smile:

---

## [Lose value of $uid\_set](https://www.ruby-forum.com/t/lose-value-of-uid-set/244138)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 3\
**Last updated:** [February 27, 2016, 3:37am UTC](https://www.ruby-forum.com/t/lose-value-of-uid-set/244138 "2016-02-27T03:37:59Z")

</div>

Hello, master of nginx, I have a question when using ngx\_http\_userid\_module. here is the detail description: nginx version:1.7 conf: log\_format main ‘$remote\_addr - $remote\_user \[$time\_local\] “$request” $uid\_set’ …

---

## [FFI library/gem status](https://www.ruby-forum.com/t/ffi-library-gem-status/237227)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [October 30, 2013, 6:29pm UTC](https://www.ruby-forum.com/t/ffi-library-gem-status/237227 "2013-10-30T18:29:51Z")

</div>

The FFI library has been officially taken over for maintenance by the JRuby team. The project remains on github at GitHub - ffi/ffi: Ruby FFI with issue tracker and wiki intact. The ruby-ffi google group was deleted …

---

## [Linux memory usage of a process](https://www.ruby-forum.com/t/linux-memory-usage-of-a-process/224871)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 0\
**Last updated:** [November 29, 2012, 4:20am UTC](https://www.ruby-forum.com/t/linux-memory-usage-of-a-process/224871 "2012-11-29T04:20:37Z")

</div>

---

## [How to kill an exist tcpserver or tcpsocket?](https://www.ruby-forum.com/t/how-to-kill-an-exist-tcpserver-or-tcpsocket/213741)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 3\
**Last updated:** [November 10, 2011, 8:19pm UTC](https://www.ruby-forum.com/t/how-to-kill-an-exist-tcpserver-or-tcpsocket/213741 "2011-11-10T20:19:25Z")

</div>

Hi everyone, I’m using the following codes to create and close a tcpsocket on WindowsXP: def open @tcp\_server = TCPServer.new(@para\[:host\], @para\[:port\]) @ch = @tcp\_server.accept end … def close @tcp\_server.clos…

---

## [Does wxRuby include Gizmos controls?](https://www.ruby-forum.com/t/does-wxruby-include-gizmos-controls/181756)

<div class="topic-metadata">

**Author:** [@bdamour](https://www.ruby-forum.com/u/bdamour)\
**Replies:** 3\
**Last updated:** [January 22, 2010, 5:44pm UTC](https://www.ruby-forum.com/t/does-wxruby-include-gizmos-controls/181756 "2010-01-22T17:44:25Z")

</div>

Hi, I’m starting to use wxRuby for personal projects. Originally, I used wxPython in my company because they don’t want to install the Ruby environment just for me… But at home, I still prefer the Ruby language… So,…

---

## [Javascript Menu Positioning - n00b question =)](https://www.ruby-forum.com/t/javascript-menu-positioning-n00b-question/172997)

<div class="topic-metadata">

**Author:** [@jlovel](https://www.ruby-forum.com/u/jlovel)\
**Replies:** 3\
**Last updated:** [July 31, 2009, 6:05pm UTC](https://www.ruby-forum.com/t/javascript-menu-positioning-n00b-question/172997 "2009-07-31T18:05:44Z")

</div>

I am trying to make a javascript drop-down navigation menu for my first rails web site, and I am having some problems with where the menu list divs pop up on the page. What I have is a horizontal menu bar with heading…

---

## [Nginx Startup Script](https://www.ruby-forum.com/t/nginx-startup-script/111544)

<div class="topic-metadata">

**Author:** [@jwesonga](https://www.ruby-forum.com/u/jwesonga)\
**Replies:** 3\
**Last updated:** [August 15, 2007, 9:13pm UTC](https://www.ruby-forum.com/t/nginx-startup-script/111544 "2007-08-15T21:13:01Z")

</div>

Hi, I’ve found a very good Nginx startup script here http://topfunky.net/svn/shovel/nginx/init.d/nginx but I’m having a problem setting it up. this command does not see to be working on CentOS: update-rc.d nginx def…

---

## [Production Env Issue: Ubuntu Mongrel Apache proxy Capistrano](https://www.ruby-forum.com/t/production-env-issue-ubuntu-mongrel-apache-proxy-capistrano/104170)

<div class="topic-metadata">

**Author:** [@navneetaron](https://www.ruby-forum.com/u/navneetaron)\
**Replies:** 3\
**Last updated:** [May 16, 2007, 11:30am UTC](https://www.ruby-forum.com/t/production-env-issue-ubuntu-mongrel-apache-proxy-capistrano/104170 "2007-05-16T11:30:44Z")

</div>

Hi Everyone, Context: I am building a ruby on rails app. After I successfully built and tested it in development environment, I used Capistrano to deploy it to a different machine with pretty much same configuration.…

---

## [Is there a hook that is called whenever an instance variable](https://www.ruby-forum.com/t/is-there-a-hook-that-is-called-whenever-an-instance-variable/76537)

<div class="topic-metadata">

**Author:** [@jeremyheiler](https://www.ruby-forum.com/u/jeremyheiler)\
**Replies:** 3\
**Last updated:** [November 21, 2006, 12:08pm UTC](https://www.ruby-forum.com/t/is-there-a-hook-that-is-called-whenever-an-instance-variable/76537 "2006-11-21T12:08:32Z")

</div>

I’m developing an editing application with full undo/redo, so my objects must log all changes to a history that can be rolled backwards and forwards. This is just crying out for some fancy metaprogramming, and it wou…

---

## [Finding the file version of a win32 dll in Ruby](https://www.ruby-forum.com/t/finding-the-file-version-of-a-win32-dll-in-ruby/70878)

<div class="topic-metadata">

**Author:** [@tankow](https://www.ruby-forum.com/u/tankow)\
**Replies:** 3\
**Last updated:** [October 3, 2006, 6:22pm UTC](https://www.ruby-forum.com/t/finding-the-file-version-of-a-win32-dll-in-ruby/70878 "2006-10-03T18:22:09Z")

</div>

Is there a way to determine the file version attribute in win32 using Ruby? I would like to report and compare file versions between 2 different windows computers using Ruby. I am mainly concerned with dll, ocx and …

---

## [ActionMailer: Test failed but works in development environment](https://www.ruby-forum.com/t/actionmailer-test-failed-but-works-in-development-environment/214421)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 1\
**Last updated:** [December 1, 2011, 5:56pm UTC](https://www.ruby-forum.com/t/actionmailer-test-failed-but-works-in-development-environment/214421 "2011-12-01T17:56:06Z")

</div>

The ActionMailer in my Rails 3.1 project has an odd behavior, the ActionMailer::Base.deliveries is empty in test while I can actually receive the email by running the code in rails console. Anybody can points out wh…

---

## [Problem of USRP2+WBX](https://www.ruby-forum.com/t/problem-of-usrp2-wbx/196260)

<div class="topic-metadata">

**Author:** [@YouheiFujii](https://www.ruby-forum.com/u/YouheiFujii)\
**Replies:** 7\
**Last updated:** [October 10, 2010, 8:18am UTC](https://www.ruby-forum.com/t/problem-of-usrp2-wbx/196260 "2010-10-10T08:18:52Z")

</div>

Hi all, I get WBX, and I want to try benchmark\_tx/rx.py on USRP2. But when I use find\_usrps, the program returns “No USRP found.”. I searched mailing-lists. I need to update firmware. I tried this. – sudo u2\_flash…

---

## [1.9's New Methods](https://www.ruby-forum.com/t/1-9s-new-methods/186997)

<div class="topic-metadata">

**Author:** [@tcsnide](https://www.ruby-forum.com/u/tcsnide)\
**Replies:** 7\
**Last updated:** [April 18, 2010, 12:55am UTC](https://www.ruby-forum.com/t/1-9s-new-methods/186997 "2010-04-18T00:55:40Z")

</div>

First a big shout-out to Marc-Andre L. and his backports project. Nice work. Now I want to ask if others have noticed all the new methods being add to 1.9+? I’m quite happy about vast majority of it, but there was at …

---

## [Acts\_as\_state\_machine: bug?! obj.save doesn't work](https://www.ruby-forum.com/t/acts-as-state-machine-bug-obj-save-doesnt-work/166002)

<div class="topic-metadata">

**Author:** [@josh](https://www.ruby-forum.com/u/josh)\
**Replies:** 7\
**Last updated:** [April 22, 2009, 1:09am UTC](https://www.ruby-forum.com/t/acts-as-state-machine-bug-obj-save-doesnt-work/166002 "2009-04-22T01:09:18Z")

</div>

Hi all I’m trying to understand, what acts\_as\_state\_machine really does (I use it because restful\_authentication uses it). restful\_authentication defines the following stuff: acts\_as\_state\_machine :initial =\> :pendin…

---

## [Template engine](https://www.ruby-forum.com/t/template-engine/164841)

<div class="topic-metadata">

**Author:** [@joelito](https://www.ruby-forum.com/u/joelito)\
**Replies:** 7\
**Last updated:** [April 7, 2009, 4:15pm UTC](https://www.ruby-forum.com/t/template-engine/164841 "2009-04-07T16:15:04Z")

</div>

Bonjour, Je cherche a régler une problématique d’indépendance de la couche présentation. Je m’explique. je veux pour la même logique métier des présentations différentes, de la structure HTML/ERB au CSS en passant pa…

---

## [How can I externally trigger USRP2?](https://www.ruby-forum.com/t/how-can-i-externally-trigger-usrp2/161585)

<div class="topic-metadata">

**Author:** [@Jakob\_Meineke](https://www.ruby-forum.com/u/Jakob_Meineke)\
**Replies:** 1\
**Last updated:** [February 27, 2009, 7:54pm UTC](https://www.ruby-forum.com/t/how-can-i-externally-trigger-usrp2/161585 "2009-02-27T19:54:07Z")

</div>

Hi, in our lab we want to use a USRP2 to generate an RF-signal starting at a given time in our experimental sequence. While the generation of the signal works fine, in order to do this we need to be able to externall…

[Previous page](https://www.ruby-forum.com/top.md?page=714&per_page=50)

[Next page](https://www.ruby-forum.com/top.md?page=716&per_page=50)
