# Top **URL:** https://www.ruby-forum.com/top.md?page=1516 [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:** 1517 --- ## [ActionView::TemplateError (stack level too deep)](https://www.ruby-forum.com/t/actionview-templateerror-stack-level-too-deep/128892)
**Author:** [@ratnavel](https://www.ruby-forum.com/u/ratnavel)\ **Replies:** 4\ **Last updated:** [February 12, 2008, 4:08pm UTC](https://www.ruby-forum.com/t/actionview-templateerror-stack-level-too-deep/128892 "2008-02-12T16:08:28Z")
Hi, I am getting the following exception while calling a helper method. ActionView::TemplateError (stack level too deep) Do anyone have the idea why its happening? Ratna --- ## [$B%3%s%Q%$%k$NLdBj(B (r15218)](https://www.ruby-forum.com/t/b-3-s-q-k-nldbj-b-r15218/126556)
**Author:** [@drenovac](https://www.ruby-forum.com/u/drenovac)\ **Replies:** 4\ **Last updated:** [January 20, 2008, 7:14am UTC](https://www.ruby-forum.com/t/b-3-s-q-k-nldbj-b-r15218/126556 "2008-01-20T07:14:29Z")
r15128 e$BEv$?$j$Ge(B (e$B\/$7A0$+$ie(B) e$B%3%s%Q%$%k$G$-$J$/$J$j$^$7$?!#e(B e$BLdBj$O\ **Author:** [@abhi](https://www.ruby-forum.com/u/abhi)\ **Replies:** 4\ **Last updated:** [October 26, 2007, 4:54am UTC](https://www.ruby-forum.com/t/report-generation-in-rails/118287 "2007-10-26T04:54:52Z") Hi, I am using MySql . I there any option in ror as in c# and MS Sql that I can generate reports from my application. Like MS sql is having reporting services thru which we can generate customized report and c# is ha… --- ## [Fail to Install Gems - My First Gems](https://www.ruby-forum.com/t/fail-to-install-gems-my-first-gems/113530)
**Author:** [@foolishbrat](https://www.ruby-forum.com/u/foolishbrat)\ **Replies:** 4\ **Last updated:** [September 1, 2007, 11:04am UTC](https://www.ruby-forum.com/t/fail-to-install-gems-my-first-gems/113530 "2007-09-01T11:04:28Z")
Dear all, I was trying to install first ruby gems. I have successfully done the following: $ ruby setup.rb config --prefix=/home/mystuff $ ruby setup.rb setup But when I run this command: $ ruby setup.rb install …… --- ## [Convert a n binary number to /n](https://www.ruby-forum.com/t/convert-a-n-binary-number-to-n/112042)
**Author:** [@z4n9ief](https://www.ruby-forum.com/u/z4n9ief)\ **Replies:** 4\ **Last updated:** [August 15, 2007, 3:10am UTC](https://www.ruby-forum.com/t/convert-a-n-binary-number-to-n/112042 "2007-08-15T03:10:33Z")
Hi, If my number is 1111, I would like to had 0000. If my number is 1001, I would like to had 0110. If my number is 0011, I would like to had 1100. Of cours I know we can use XOR operator, but I would like to allow R… --- ## [Upgrade to Fedora 7?](https://www.ruby-forum.com/t/upgrade-to-fedora-7/111483)
**Author:** [@Marcus\_L](https://www.ruby-forum.com/u/Marcus_L)\ **Replies:** 4\ **Last updated:** [August 8, 2007, 3:09pm UTC](https://www.ruby-forum.com/t/upgrade-to-fedora-7/111483 "2007-08-08T15:09:01Z")
I’m considering upgrading my receiver 'puter (a Dual-core Pentium system) from FC6 to Fedora7. Anything I need to know for Gnu Radio? I’ve already noticed that Firefox 2.0.0.5 is very flakey on Fedora 7–crashes witho… --- ## [Get which enviornment is running from controller](https://www.ruby-forum.com/t/get-which-enviornment-is-running-from-controller/109500)
**Author:** [@ktheory](https://www.ruby-forum.com/u/ktheory)\ **Replies:** 4\ **Last updated:** [July 16, 2007, 12:56am UTC](https://www.ruby-forum.com/t/get-which-enviornment-is-running-from-controller/109500 "2007-07-16T00:56:06Z")
how can I get what enviornment is currently running from a controller?.. like development, test, production, etc. thanks… --- ## [Icanhasaudio 0.0.1 Released](https://www.ruby-forum.com/t/icanhasaudio-0-0-1-released/109130)
**Author:** [@aaronpowell](https://www.ruby-forum.com/u/aaronpowell)\ **Replies:** 4\ **Last updated:** [July 11, 2007, 8:34pm UTC](https://www.ruby-forum.com/t/icanhasaudio-0-0-1-released/109130 "2007-07-11T20:34:12Z")
icanhasaudio version 0.0.1 has been released! http://seattlerb.rubyforge.org/ Hai! icanhasaudio? is an interface to lame for decoding ur MP3s. I iz in ur computer. Decodin ur mp3s. SYNOPSYS ROFLOL require ‘icanha… --- ## [Merging multiple AR result hashes into one for view loop](https://www.ruby-forum.com/t/merging-multiple-ar-result-hashes-into-one-for-view-loop/89848)
**Author:** [@marstoni](https://www.ruby-forum.com/u/marstoni)\ **Replies:** 4\ **Last updated:** [March 23, 2007, 6:00pm UTC](https://www.ruby-forum.com/t/merging-multiple-ar-result-hashes-into-one-for-view-loop/89848 "2007-03-23T18:00:56Z")
Need some opinions about the best way to go about this. I know :include does something similar, though I’m not sure if thats what I need. I have a Users model which :has\_many of several other models, we’ll call them… --- ## [Mongrel\_rails and postfix](https://www.ruby-forum.com/t/mongrel-rails-and-postfix/79008)
**Author:** [@harper](https://www.ruby-forum.com/u/harper)\ **Replies:** 4\ **Last updated:** [December 13, 2006, 1:25pm UTC](https://www.ruby-forum.com/t/mongrel-rails-and-postfix/79008 "2006-12-13T13:25:54Z")
Hi, i was having trobule implementing actionmailer on a new server of my app working with mongrel\_rails + postfix . . . beforehand, while developing, i was using postfix + webrick, and i could send emails quite easily… --- ## [Bignum#to\_s(10) broken](https://www.ruby-forum.com/t/bignum-to-s-10-broken/74466)
**Author:** [@U.Nakamura](https://www.ruby-forum.com/u/U.Nakamura)\ **Replies:** 4\ **Last updated:** [November 7, 2006, 10:45am UTC](https://www.ruby-forum.com/t/bignum-to-s-10-broken/74466 "2006-11-07T10:45:04Z")
e$B$3$s$K$A$O!"$J$+$\`$ie(B(e$B$&e(B)e$B$G$9!#e(B e$B:G6a$Ne(Bbignum.ce$B$NJQ99e(B(rb\_big2str0)e$B$G$9$,!"4p?t$,e(B10(e$B!Ae(B15)e$B$N;~$Ke(B e$B%P%C%U%!$,0l7eB-$j$F$J$$$h$&$G$9!#e(B e$B7k2L$H$7$FId9f$,DY$l$F$7$^$C$F$$… --- ## [Consiglio per Hosting Rail Application](https://www.ruby-forum.com/t/consiglio-per-hosting-rail-application/71108)
**Author:** [@Piero\_C](https://www.ruby-forum.com/u/Piero_C)\ **Replies:** 4\ **Last updated:** [October 5, 2006, 12:00pm UTC](https://www.ruby-forum.com/t/consiglio-per-hosting-rail-application/71108 "2006-10-05T12:00:25Z")
ciao, sto valutando l’ipotesi di hostare un’applicazione ruby rails (nella pratica un sito realizzato con Radiant CMS). Guardando in giro le varie opzioni (Dreamhost, TextDrive, Site5, …) vedo che la maggior parte of… --- ## [If a && a.something](https://www.ruby-forum.com/t/if-a-a-something/70620)
**Author:** [@jack](https://www.ruby-forum.com/u/jack)\ **Replies:** 4\ **Last updated:** [October 1, 2006, 12:59am UTC](https://www.ruby-forum.com/t/if-a-a-something/70620 "2006-10-01T00:59:18Z")
Ok, so I’m lazy, and something about always checking to see if an object exists before calling one of its methods just strikes me as fairly…‘mundane’? In particular, I often do this in code: if session\['user\] && sess… --- ## [Dire need for inject\_with\_index](https://www.ruby-forum.com/t/dire-need-for-inject-with-index/102442)
**Author:** [@leslieviljoen](https://www.ruby-forum.com/u/leslieviljoen)\ **Replies:** 4\ **Last updated:** [August 15, 2006, 2:18pm UTC](https://www.ruby-forum.com/t/dire-need-for-inject-with-index/102442 "2006-08-15T14:18:21Z")
Hi people! See my nifty little class for converting a few time strings to seconds. See how the last line of self.seconds reverses an array and then adds up each part, multiplying the first with 1, the second with 60 … --- ## [Share model definition](https://www.ruby-forum.com/t/share-model-definition/63860)
**Author:** [@dankitania](https://www.ruby-forum.com/u/dankitania)\ **Replies:** 4\ **Last updated:** [August 3, 2006, 11:57am UTC](https://www.ruby-forum.com/t/share-model-definition/63860 "2006-08-03T11:57:19Z")
I want to share everything about a model except the db connection. Is this a reasonable way to do it? module NotebookDefinition --- ## [Mail list question](https://www.ruby-forum.com/t/mail-list-question/100748)
**Author:** [@Sanjay\_T](https://www.ruby-forum.com/u/Sanjay_T)\ **Replies:** 4\ **Last updated:** [August 1, 2006, 2:51am UTC](https://www.ruby-forum.com/t/mail-list-question/100748 "2006-08-01T02:51:54Z")
Folks, Is the only way to reply to a posting and maintain the mail thread by subscribing to the mailing list and then replying to the received email or is there another way from within the list archive itself? I don’… --- ## [Execute code when an inheritance happens, or disabling STI](https://www.ruby-forum.com/t/execute-code-when-an-inheritance-happens-or-disabling-sti/99868)
**Author:** [@squeegy](https://www.ruby-forum.com/u/squeegy)\ **Replies:** 4\ **Last updated:** [July 27, 2006, 6:55pm UTC](https://www.ruby-forum.com/t/execute-code-when-an-inheritance-happens-or-disabling-sti/99868 "2006-07-27T18:55:59Z")
I am trying to inherit from a ActiveRecord class defined in a plugin. The problem is that ActiveRecord thinks I am doing an STI and is looking up a table that doesn’t exist. Currently, I have a method in the parent cl… --- ## [Mystery regexp](https://www.ruby-forum.com/t/mystery-regexp/98720)
**Author:** [@stevetooke](https://www.ruby-forum.com/u/stevetooke)\ **Replies:** 4\ **Last updated:** [July 17, 2006, 7:52pm UTC](https://www.ruby-forum.com/t/mystery-regexp/98720 "2006-07-17T19:52:32Z")
I found this regexp in the docs for the OptionParser class, and I don’t understand it. Google hasn’t helped, nor has the Pickaxe, so I thought I would ask here. The purpose of the code is to ensure that a file exten… --- ## [Need help with some ugly code - is there a better way?](https://www.ruby-forum.com/t/need-help-with-some-ugly-code-is-there-a-better-way/97574)
**Author:** [@superwick](https://www.ruby-forum.com/u/superwick)\ **Replies:** 4\ **Last updated:** [July 8, 2006, 2:26am UTC](https://www.ruby-forum.com/t/need-help-with-some-ugly-code-is-there-a-better-way/97574 "2006-07-08T02:26:10Z")
Hi, In my user\_controller.rb, I have the following method, which is supposed to send the user to their profile, dependng on what “role” they are (the roles correspond to the other controllers: venue, band, fan): def … --- ## [Installing mysql for ruby purposes (windows)](https://www.ruby-forum.com/t/installing-mysql-for-ruby-purposes-windows/59627)
**Author:** [@bfsog](https://www.ruby-forum.com/u/bfsog)\ **Replies:** 4\ **Last updated:** [May 11, 2006, 1:17pm UTC](https://www.ruby-forum.com/t/installing-mysql-for-ruby-purposes-windows/59627 "2006-05-11T13:17:27Z")
I have Ruby version 1.8.4 on XP SP 2. I installed Mysql Server 5.0.2 - this worked fine. I then tried some code like require “mysql” That code failed, I searched and found I have to run extconf.rb My question is, ac… --- ## [Lavoro](https://www.ruby-forum.com/t/lavoro/94669)
**Author:** [@aspide](https://www.ruby-forum.com/u/aspide)\ **Replies:** 4\ **Last updated:** [May 11, 2006, 8:44am UTC](https://www.ruby-forum.com/t/lavoro/94669 "2006-05-11T08:44:00Z")
Salve, ho rinunciato ad imparare ruby, ci sarebbe qualche appassionato che a tempo perso mi faccia un programmino semplice dietro compenso da stabilirsi ? Grazie e saluti e buon lavoro. – Email.it, the professional … --- ## [Distributing rails apps for localhost usage](https://www.ruby-forum.com/t/distributing-rails-apps-for-localhost-usage/56900)
**Author:** [@stenzer](https://www.ruby-forum.com/u/stenzer)\ **Replies:** 4\ **Last updated:** [April 5, 2006, 8:42pm UTC](https://www.ruby-forum.com/t/distributing-rails-apps-for-localhost-usage/56900 "2006-04-05T20:42:22Z")
Has anyone come across any interesting ways to make rails apps easily distributable to run on a local machine. I’d love to be able to “bundle” my rails app into a single file that would contain a simple webserver, da… --- ## [Form\_remote\_upload and rjs](https://www.ruby-forum.com/t/form-remote-upload-and-rjs/56417)
**Author:** [@will](https://www.ruby-forum.com/u/will)\ **Replies:** 4\ **Last updated:** [March 31, 2006, 3:20am UTC](https://www.ruby-forum.com/t/form-remote-upload-and-rjs/56417 "2006-03-31T03:20:03Z")
I am using Kyle M.'s form\_remote\_upload plugin with Rails 1.1, and I cannot seem to get any code from my rjs template to execute. The template works fine without the upload (if I remove ‘:html =\> {:multipart =\> true}… --- ## [Mongrel 0.3.11 - speed test ... seems slow](https://www.ruby-forum.com/t/mongrel-0-3-11-speed-test-seems-slow/55072)
**Author:** [@dgm](https://www.ruby-forum.com/u/dgm)\ **Replies:** 4\ **Last updated:** [March 17, 2006, 6:45am UTC](https://www.ruby-forum.com/t/mongrel-0-3-11-speed-test-seems-slow/55072 "2006-03-17T06:45:53Z")
I did some basic speed test on my rails application. I use Centrino 1.7GHz, WinXP. For simple test I used Apache 'ab -n 100 -c 10 http://url… ’ Running Mongrel 0.3.11 I got: development env. = 4.5 req./sec productio… --- ## [Testing Migrations](https://www.ruby-forum.com/t/testing-migrations/79083)
**Author:** [@olbrich](https://www.ruby-forum.com/u/olbrich)\ **Replies:** 4\ **Last updated:** [March 9, 2006, 7:15pm UTC](https://www.ruby-forum.com/t/testing-migrations/79083 "2006-03-09T19:15:30Z")
Is there some standard way to test migrations? It seems to me that an additional safeguard for migrations would be to test and see if applying the migrations to the test database allows one to reconstruct the structur… --- ## [Instructions for installing RoR for Apache 1.3/2.0?](https://www.ruby-forum.com/t/instructions-for-installing-ror-for-apache-1-3-2-0/74367)
**Author:** [@conz](https://www.ruby-forum.com/u/conz)\ **Replies:** 4\ **Last updated:** [March 3, 2006, 3:22am UTC](https://www.ruby-forum.com/t/instructions-for-installing-ror-for-apache-1-3-2-0/74367 "2006-03-03T03:22:05Z")
Hi, could someone tell me where I can find the correct instructions for configuring apache for RoR? I need to give this information to my hosting company. Well, I must go and thanks in advance. -Conrad --- ## [Help with "Updating Gem Source Index"](https://www.ruby-forum.com/t/help-with-updating-gem-source-index/53913)
**Author:** [@Sean\_Roylance](https://www.ruby-forum.com/u/Sean_Roylance)\ **Replies:** 4\ **Last updated:** [February 16, 2006, 7:22pm UTC](https://www.ruby-forum.com/t/help-with-updating-gem-source-index/53913 "2006-02-16T19:22:21Z")
After hearing so much about RoR over the last few months, I finally decided to give it a try. I decided to follow the “Rolling with Ruby on Rails” article on ONLamp.com to get up and running. Unfortunately, since tha… --- ## [Multiparameter assignment](https://www.ruby-forum.com/t/multiparameter-assignment/53256)
**Author:** [@flw](https://www.ruby-forum.com/u/flw)\ **Replies:** 4\ **Last updated:** [January 30, 2006, 6:14pm UTC](https://www.ruby-forum.com/t/multiparameter-assignment/53256 "2006-01-30T18:14:41Z")
I’m trying to figure out the rails why to break a single database field out into multiple fields on a form, very similar to how rails does with dates. How can I create my own object that mirrors the date objects beha… --- ## [XEmacs Indentation Broken?](https://www.ruby-forum.com/t/xemacs-indentation-broken/52026)
**Author:** [@alexg](https://www.ruby-forum.com/u/alexg)\ **Replies:** 4\ **Last updated:** [January 11, 2006, 6:19am UTC](https://www.ruby-forum.com/t/xemacs-indentation-broken/52026 "2006-01-11T06:19:18Z")
Hi, Just started working with a new Ubuntu box and something wierd is going on with XEmacs ruby support. The automatic indentation (hitting tab on the line I want indented or selecting by region) works right up till I … --- ## [Test/unit and pp](https://www.ruby-forum.com/t/test-unit-and-pp/50031)
**Author:** [@pgundlach](https://www.ruby-forum.com/u/pgundlach)\ **Replies:** 4\ **Last updated:** [December 12, 2005, 8:04pm UTC](https://www.ruby-forum.com/t/test-unit-and-pp/50031 "2005-12-12T20:04:20Z")
Hi, given the following program: #!/opt/ruby/1.8/bin/ruby -w require ‘test/unit’ class FooTester \< Test::Unit::TestCase def setup @foo=Array.new @foo \<\< \[:a,:b,\[:c\]\] end def test\_foo assert\_instance\_of Hash,@f… --- ## [Dev tool](https://www.ruby-forum.com/t/dev-tool/187941)
**Author:** [@Mlle](https://www.ruby-forum.com/u/Mlle)\ **Replies:** 8\ **Last updated:** [May 6, 2010, 12:53pm UTC](https://www.ruby-forum.com/t/dev-tool/187941 "2010-05-06T12:53:03Z")
Can anyone suggest a development tool for RoR? How is the plugin for Eclipse? --- ## [Using Rails App (Models) in my Ruby script](https://www.ruby-forum.com/t/using-rails-app-models-in-my-ruby-script/149047)
**Author:** [@paerez](https://www.ruby-forum.com/u/paerez)\ **Replies:** 8\ **Last updated:** [September 20, 2008, 12:06am UTC](https://www.ruby-forum.com/t/using-rails-app-models-in-my-ruby-script/149047 "2008-09-20T00:06:54Z")
Hi, All. I’m writing a script that’s going to run on schedule to pull some info from a db and dump it into a csv to be ftped And a similar script to process a csv/excel file we get from a vendor to put in our db. I … --- ## [Looking for a Sr. Rails Developer in NYC - come disrupt with us!](https://www.ruby-forum.com/t/looking-for-a-sr-rails-developer-in-nyc-come-disrupt-with-us/244292)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [March 16, 2016, 6:11pm UTC](https://www.ruby-forum.com/t/looking-for-a-sr-rails-developer-in-nyc-come-disrupt-with-us/244292 "2016-03-16T18:11:35Z")
In 2012, executives with over 40 years of experience in the corporate education space, recognized there was a gap. Their mission: to reinvent the way companies access executive development. They realized the need to d… --- ## [JOB: Backend-Developer (w/m) – Data Analysis & Architecture, in Munich, Germany](https://www.ruby-forum.com/t/job-backend-developer-w-m-data-analysis-architecture-in-munich-germany/237649)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 22, 2013, 2:11pm UTC](https://www.ruby-forum.com/t/job-backend-developer-w-m-data-analysis-architecture-in-munich-germany/237649 "2013-11-22T14:11:40Z")
Hola a todos. Estáis buscando trabajo en la mejor ciudad del mundo-en Munich y claro, en la mejor empresa del mundo? Tenemos vacantes disponibles.Por más informaciones solo abrid el fichero adjunto o visitad nuestas p… --- ## [How to call javascript function from js.erb](https://www.ruby-forum.com/t/how-to-call-javascript-function-from-js-erb/217712)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 0\ **Last updated:** [March 9, 2012, 2:32pm UTC](https://www.ruby-forum.com/t/how-to-call-javascript-function-from-js-erb/217712 "2012-03-09T14:32:16Z")
I am new to ruby this might be something which is obvious. I am trying to call my addmarker() function which can add a marker to my Google map. In my js.erb i tried to include the function call within the tags, but… --- ## [Automatic type casting of query parameters in finds](https://www.ruby-forum.com/t/automatic-type-casting-of-query-parameters-in-finds/194982)
**Author:** [@alexmic](https://www.ruby-forum.com/u/alexmic)\ **Replies:** 0\ **Last updated:** [September 14, 2010, 7:11pm UTC](https://www.ruby-forum.com/t/automatic-type-casting-of-query-parameters-in-finds/194982 "2010-09-14T19:11:46Z")
I’m new to ruby on rails and am using active record 3 to create some object models on top of a postgres db. I have an Environment record with a :name attribute that maps to the :name column of type :string. When I do… --- ## [Using API's on Rails (Is Java script necessary?)](https://www.ruby-forum.com/t/using-apis-on-rails-is-java-script-necessary/243741)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [December 29, 2015, 7:40pm UTC](https://www.ruby-forum.com/t/using-apis-on-rails-is-java-script-necessary/243741 "2015-12-29T19:40:24Z")
Hi all, I’ve started learning Ruby and I’m still learning the basics. My goal is to create web applications using rails and multiple API’s (API mashup… Google, FB, Twitter,etc…) I see most people coding in Java scri… --- ## [Nginx stop function in service file](https://www.ruby-forum.com/t/nginx-stop-function-in-service-file/239924)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [March 20, 2014, 6:15pm UTC](https://www.ruby-forum.com/t/nginx-stop-function-in-service-file/239924 "2014-03-20T18:15:57Z")
I am using the official Debian package (stable) and I noticed the service file, in its do\_stop() function, sends SIGTERM to the master process. However, the docs say SIGTERM (and SIGQUIT) sent to the master process p… --- ## [Gr-ctrlport](https://www.ruby-forum.com/t/gr-ctrlport/239730)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [March 12, 2014, 2:55pm UTC](https://www.ruby-forum.com/t/gr-ctrlport/239730 "2014-03-12T14:55:22Z")
I am building GNU Radio 3.7.3 from source and wish to enable the CTRLPORT module. I have already installed Ice-3.5.1 for C++ in the location /opt/Ice-3.5.1 (satisfying required dependencies) My current gcc version is… --- ## [Passing code blocks to methods and debugging](https://www.ruby-forum.com/t/passing-code-blocks-to-methods-and-debugging/237265)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 2, 2013, 2:17pm UTC](https://www.ruby-forum.com/t/passing-code-blocks-to-methods-and-debugging/237265 "2013-11-02T14:17:01Z")
I’m fairly new to Ruby, puzzling the value of: def sub1(x) yield 5 \* x end sub1(2) {|y| puts 3 \* y } #=\> 30 … over: def sub2(x) y = 5 \* x puts 3 \* y end sub2(2) #=\> 30 Isn’t there the danger, with passin… --- ## [Misc questions, regarding Interrupt coalescing](https://www.ruby-forum.com/t/misc-questions-regarding-interrupt-coalescing/237050)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [October 23, 2013, 11:39pm UTC](https://www.ruby-forum.com/t/misc-questions-regarding-interrupt-coalescing/237050 "2013-10-23T23:39:54Z")
Hello GR Forum, I got some questions: 1/ Did anyone already tested the effect of Interrupt coalescing on reducing the latency when host and USRP N2X0 are communicating and how far did he reduce this latency 2/ I wa… --- ## [Gr-ctrlport client using IceE](https://www.ruby-forum.com/t/gr-ctrlport-client-using-icee/234920)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [May 20, 2013, 11:07am UTC](https://www.ruby-forum.com/t/gr-ctrlport-client-using-icee/234920 "2013-05-20T11:07:27Z")
Just FYI, trying to compile a controlport client using the embedded version of Ice (IceE) gives an error slice2cppe gnuradio.ice gnuradio.ice:72: Struct data member min' cannot be a value object. gnuradio.ice:73: Stru… --- ## [Out-of-tree module build fails for lack of Doxygen, despite -DENABLE\_DOXYGEN=OFF](https://www.ruby-forum.com/t/out-of-tree-module-build-fails-for-lack-of-doxygen-despite-denable-doxygen-off/228005)
**Author:** [@Monahan-MitchellS\_T](https://www.ruby-forum.com/u/Monahan-MitchellS_T)\ **Replies:** 2\ **Last updated:** [April 6, 2013, 3:51pm UTC](https://www.ruby-forum.com/t/out-of-tree-module-build-fails-for-lack-of-doxygen-despite-denable-doxygen-off/228005 "2013-04-06T15:51:01Z")
I first used gr\_modtool.py to successfully create my out-of-tree module on an Ubuntu 12.04 LTS x86 system (GNU Radio 3.6.4.1). I am now building my module on an Ubuntu system that does not have /usr/bin/doxygen (the n… --- ## [Form validation not showing errors](https://www.ruby-forum.com/t/form-validation-not-showing-errors/223687)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [October 14, 2012, 6:00pm UTC](https://www.ruby-forum.com/t/form-validation-not-showing-errors/223687 "2012-10-14T18:00:18Z")
Hi I have a simple form where the user can sign up with an email and password and click the create button but when this is done no action happens and even when I fill in the form blank no error messages are shown .Wha… --- ## [DRB not connecting from two diffrent computers](https://www.ruby-forum.com/t/drb-not-connecting-from-two-diffrent-computers/223359)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [October 1, 2012, 6:31pm UTC](https://www.ruby-forum.com/t/drb-not-connecting-from-two-diffrent-computers/223359 "2012-10-01T18:31:31Z")
Hi I am following: http://segment7.net/projects/ruby/drb/introduction.html the first program of manipulating array: if I run server on a computer in LAN: then I get it as: druby://myMachine:54185 but when I run cli… --- ## [JSR 223 code execution breaks with JRuby 1.6.4](https://www.ruby-forum.com/t/jsr-223-code-execution-breaks-with-jruby-1-6-4/212064)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [September 29, 2011, 12:01pm UTC](https://www.ruby-forum.com/t/jsr-223-code-execution-breaks-with-jruby-1-6-4/212064 "2011-09-29T12:01:06Z")
Hi all, I use the ScriptEngineManager to execute Ruby Scripts from Java Code, but with JRuby 1.6.4 the following code breaks: for (; ; ) { ScriptEngineManager m = new ScriptEngineManager(); m.getEngineByExtension(“r… --- ## [PDF generator - Prawn and Prawnto](https://www.ruby-forum.com/t/pdf-generator-prawn-and-prawnto/207018)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [May 16, 2011, 6:04pm UTC](https://www.ruby-forum.com/t/pdf-generator-prawn-and-prawnto/207018 "2011-05-16T18:04:55Z")
I’m quite confuse with prawn and prawnto. is it must install prawn with prawnto to generate pdf ? what prawnto does ? --- ## [UHD fpga code compile error](https://www.ruby-forum.com/t/uhd-fpga-code-compile-error/205476)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [April 8, 2011, 7:42am UTC](https://www.ruby-forum.com/t/uhd-fpga-code-compile-error/205476 "2011-04-08T07:42:32Z")
Hi all, I compile uhd fpga code meet a lot of errors. I use quartus II 9.1 web edition. I directly open the fpga project file(EttusResearch-UHD-Mirror-81e891f\\fpga\\usrp1\\toplevel\\usrp\_std\\usrp\_std.qpf) then choose m… --- ## [RedCloth 4.1.1 vs. 4.2.3 - weird behaviour with notextile](https://www.ruby-forum.com/t/redcloth-4-1-1-vs-4-2-3-weird-behaviour-with-notextile/202164)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [January 23, 2011, 10:04pm UTC](https://www.ruby-forum.com/t/redcloth-4-1-1-vs-4-2-3-weird-behaviour-with-notextile/202164 "2011-01-23T22:04:55Z")
For a community project I aim to combine RedCloth and Coderay and on doing this, I might have found an issue with RedCloth. I pushed a demo to Github: https://github.com/markusproske/redcloth\_coderay\_demo The index … --- ## [Octave/MATLAB code for USRP2 DDC?](https://www.ruby-forum.com/t/octave-matlab-code-for-usrp2-ddc/193240)
**Author:** [@meckart](https://www.ruby-forum.com/u/meckart)\ **Replies:** 2\ **Last updated:** [August 19, 2010, 3:10pm UTC](https://www.ruby-forum.com/t/octave-matlab-code-for-usrp2-ddc/193240 "2010-08-19T15:10:04Z")
Does anyone happen to have Octave or MATLAB code that models the USRP2’s DDC (CIC and HBFs)? -Marc [Previous page](https://www.ruby-forum.com/top.md?page=1515&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1517&per_page=50)