# Top **URL:** https://www.ruby-forum.com/top.md?page=612 [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:** 613 --- ## [Rails 3 How to assign the value to nested attributes before calling save in update action](https://www.ruby-forum.com/t/rails-3-how-to-assign-the-value-to-nested-attributes-before-calling-save-in-update-action/227445)
**Author:** [@jmanivannancse](https://www.ruby-forum.com/u/jmanivannancse)\ **Replies:** 2\ **Last updated:** [March 15, 2013, 3:57pm UTC](https://www.ruby-forum.com/t/rails-3-how-to-assign-the-value-to-nested-attributes-before-calling-save-in-update-action/227445 "2013-03-15T15:57:13Z")
I am using Rails 3.0.9 and Ruby 1.9.2 Models associations are document.rb has\_many :sections accepts\_nested\_attributes\_for :sections, :allow\_destroy =\> :true, :reject\_if =\> proc { |attrs| attrs.all? { |k, v| v.blank… --- ## [Nginx-FastCGI-C++](https://www.ruby-forum.com/t/nginx-fastcgi-c/200322)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 2\ **Last updated:** [December 9, 2010, 11:44pm UTC](https://www.ruby-forum.com/t/nginx-fastcgi-c/200322 "2010-12-09T23:44:57Z")
I have a Fastcgi C++ program as follow: 1 #include "fcgi\_stdio.h" 2 #include 3 4 int main(void) 5 { 6 int count = 0; 7 while(FCGI\_Accept() \>= 0) 8 printf("Content-type: text/html\\r\\n" 9 … --- ## [Highload project on RoR](https://www.ruby-forum.com/t/highload-project-on-ror/229778)
**Author:** [@Vitaly\_Z](https://www.ruby-forum.com/u/Vitaly_Z)\ **Replies:** 6\ **Last updated:** [January 17, 2013, 5:02pm UTC](https://www.ruby-forum.com/t/highload-project-on-ror/229778 "2013-01-17T17:02:17Z")
I need advice about What is the best practice to scale RoR project ? My current stack is: Ruby 1.9.3 RoR 3.2.8 Redis DB for caching and some hot data PostgreSQL Resque for background jobs I am expecting a highload fo… --- ## [Multi\_site extension and 0.6.7](https://www.ruby-forum.com/t/multi-site-extension-and-0-6-7/138050)
**Author:** [@islepilot](https://www.ruby-forum.com/u/islepilot)\ **Replies:** 6\ **Last updated:** [May 22, 2008, 6:27pm UTC](https://www.ruby-forum.com/t/multi-site-extension-and-0-6-7/138050 "2008-05-22T18:27:44Z")
I realize that this does not yet work, but I thought I would give it a try. Unfortunately, I am stumped. There were a few errors with the clear\_cache method in the page\_controller, which I think I got. Now I am gettin… --- ## [Some architecture questions for my mongrelian friends](https://www.ruby-forum.com/t/some-architecture-questions-for-my-mongrelian-friends/137856)
**Author:** [@sjmadsen](https://www.ruby-forum.com/u/sjmadsen)\ **Replies:** 6\ **Last updated:** [May 18, 2008, 5:15pm UTC](https://www.ruby-forum.com/t/some-architecture-questions-for-my-mongrelian-friends/137856 "2008-05-18T17:15:53Z")
Hey, I’m working on a project, and mongrel may be part of the stack, but I’ve got some more general questions and ideas I’m hoping to run by this list. The people on this list have a broader knowledgebase and more ex… --- ## [SQL anyone?](https://www.ruby-forum.com/t/sql-anyone/119218)
**Author:** [@Trans](https://www.ruby-forum.com/u/Trans)\ **Replies:** 6\ **Last updated:** [November 5, 2007, 5:47pm UTC](https://www.ruby-forum.com/t/sql-anyone/119218 "2007-11-05T17:47:33Z")
My pal, Peter, put out a pretty sweet tutorial recently: http://www.xaop.com/articles/2007/10/07/metaprogramming Prepare to shit your SQL pants! T. --- ## [Comenzar con ror](https://www.ruby-forum.com/t/comenzar-con-ror/116325)
**Author:** [@PonTiFeX.CrypT](https://www.ruby-forum.com/u/PonTiFeX.CrypT)\ **Replies:** 6\ **Last updated:** [October 5, 2007, 3:19pm UTC](https://www.ruby-forum.com/t/comenzar-con-ror/116325 "2007-10-05T15:19:37Z")
Buenas lista. Viendo un poco el movimiento de ror, me quede sorprendido con la facilidad que se crean formularios de acceso a bases de datos, lo cual me despierta una aplicación por hacer postergada, algo parecido a… --- ## [Public/images](https://www.ruby-forum.com/t/public-images/87985)
**Author:** [@twerth](https://www.ruby-forum.com/u/twerth)\ **Replies:** 6\ **Last updated:** [March 29, 2006, 8:22am UTC](https://www.ruby-forum.com/t/public-images/87985 "2006-03-29T08:22:58Z")
Is there a reason that public/images isn’t overlaid into engine\_files/myengine/images the same way javascripts and stylesheets are? Is there a way to turn it on? -todd\[1\] --- ## [Habtm recursion via destroy\_without\_callbacks](https://www.ruby-forum.com/t/habtm-recursion-via-destroy-without-callbacks/51457)
**Author:** [@soderic](https://www.ruby-forum.com/u/soderic)\ **Replies:** 6\ **Last updated:** [January 3, 2006, 6:55am UTC](https://www.ruby-forum.com/t/habtm-recursion-via-destroy-without-callbacks/51457 "2006-01-03T06:55:14Z")
I am having a problem with two models that each have a HABTM relationship to the other. For example: CREATE TABLE people (id INT, name TEXT); CREATE TABLE teams (id INT, name TEXT); CREATE TABLE people\_teams (person\_… --- ## [Nginx fastcgi\_intercept\_errors](https://www.ruby-forum.com/t/nginx-fastcgi-intercept-errors/237783)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 29, 2013, 2:06pm UTC](https://www.ruby-forum.com/t/nginx-fastcgi-intercept-errors/237783 "2013-11-29T14:06:16Z")
nginx/1.5.4 doesnt intercept fastcgi errors. location / { … fastcgi\_pass bg; error\_page 500 502 503 504 408 404 =204 /204.htm; fastcgi\_intercept\_errors on; … } However in root location access log we still see 91… --- ## [Problemi di un principiante](https://www.ruby-forum.com/t/problemi-di-un-principiante/220253)
**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\ **Replies:** 4\ **Last updated:** [June 4, 2012, 7:05pm UTC](https://www.ruby-forum.com/t/problemi-di-un-principiante/220253 "2012-06-04T19:05:48Z")
ciao a tutti, sono nuovissimo e sto cercando di fare un progetto in ruby per l’università che riguarda il gioco dell’impiccato; però mi ritrovo ad avere vari problemi con le variabili. Praticamente quando io creo degl… --- ## [Programmable band-pass filters](https://www.ruby-forum.com/t/programmable-band-pass-filters/191325)
**Author:** [@Elvis\_D](https://www.ruby-forum.com/u/Elvis_D)\ **Replies:** 4\ **Last updated:** [July 9, 2010, 7:38pm UTC](https://www.ruby-forum.com/t/programmable-band-pass-filters/191325 "2010-07-09T19:38:57Z")
Hi, Are there any components that can be used to implement a programmable band-pass filter between the antenna and the LNA, of the RF front-end for an SDR application. I was wondering if there are an discrete compone… --- ## [Cut first x pages from a PDF file](https://www.ruby-forum.com/t/cut-first-x-pages-from-a-pdf-file/187543)
**Author:** [@jhaagmans](https://www.ruby-forum.com/u/jhaagmans)\ **Replies:** 4\ **Last updated:** [April 25, 2010, 5:21pm UTC](https://www.ruby-forum.com/t/cut-first-x-pages-from-a-pdf-file/187543 "2010-04-25T17:21:31Z")
Hi all, I’m finishing up on a project, which has a model with an attached PDF file. I’m using Paperclip to process the attachment. What I’d like to do is to enable users to cut (remove) the first x pages from the PDF… --- ## [Newbie question: Enumerators](https://www.ruby-forum.com/t/newbie-question-enumerators/179312)
**Author:** [@omran\_n](https://www.ruby-forum.com/u/omran_n)\ **Replies:** 4\ **Last updated:** [November 23, 2009, 12:31am UTC](https://www.ruby-forum.com/t/newbie-question-enumerators/179312 "2009-11-23T00:31:19Z")
Hi, I know this is a very newbie question but its one concept that despite google and the O’Riley book I cant get my head around. Can someone please give a simple explantion of what exactly an Enumerator is, what it c… --- ## [ProxyPass to target need to pass another proxy](https://www.ruby-forum.com/t/proxypass-to-target-need-to-pass-another-proxy/234698)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [March 23, 2015, 2:39pm UTC](https://www.ruby-forum.com/t/proxypass-to-target-need-to-pass-another-proxy/234698 "2015-03-23T14:39:25Z")
Hey guys, I have the following plan. I need to configure an nginx via proxypass. The target of the proxy itself is behind a proxy. My config looks like this: upstream @squid { server XXX.YYY.FFF.EEE:3128; } serv… --- ## [Ideas on a project or gem to develop](https://www.ruby-forum.com/t/ideas-on-a-project-or-gem-to-develop/218612)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 7\ **Last updated:** [April 9, 2012, 5:28pm UTC](https://www.ruby-forum.com/t/ideas-on-a-project-or-gem-to-develop/218612 "2012-04-09T17:28:02Z")
Hi! I’m a swedish university student (Masters) and this summer I will probably not have an ordinary summer job, but instead work on some of my own projects. These will probably not fill my time so now I want some ide… --- ## [Rails: Quale approccio usate per gestire le configurazioni di una applicazione?](https://www.ruby-forum.com/t/rails-quale-approccio-usate-per-gestire-le-configurazioni-di-una-applicazione/213926)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [November 17, 2011, 3:32pm UTC](https://www.ruby-forum.com/t/rails-quale-approccio-usate-per-gestire-le-configurazioni-di-una-applicazione/213926 "2011-11-17T15:32:22Z")
Mi riferisco a ad API KEY, mail server e altri valori che non appartengono direttamente all’applicazione, ma che possono cambiare da un’istanza a un’altra. L’approccio che va per la maggiore è mettere tutto dentro gli … --- ## [Extract individual cookie from multiple cookies](https://www.ruby-forum.com/t/extract-individual-cookie-from-multiple-cookies/204080)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [March 5, 2011, 10:56am UTC](https://www.ruby-forum.com/t/extract-individual-cookie-from-multiple-cookies/204080 "2011-03-05T10:56:11Z")
Hi, Am developing an nginx module. I get multiple cookies in a http request. I need to extract individual cookie from the multiple cookies that I get. How do I achive this? Is there an api to extract individual cooki… --- ## [Setting java.library.path in JRuby](https://www.ruby-forum.com/t/setting-java-library-path-in-jruby/178441)
**Author:** [@simon780](https://www.ruby-forum.com/u/simon780)\ **Replies:** 1\ **Last updated:** [November 6, 2009, 8:04am UTC](https://www.ruby-forum.com/t/setting-java-library-path-in-jruby/178441 "2009-11-06T08:04:04Z")
I’m attempting to use a JNI provided by somebody else (CLIPS). Basically I need to require a jar and then include a Java class into my JRuby environment. When my folder is setup like this it all works: script.rb CL… --- ## [Another Chris Pine Tutorial Question](https://www.ruby-forum.com/t/another-chris-pine-tutorial-question/147317)
**Author:** [@danielj](https://www.ruby-forum.com/u/danielj)\ **Replies:** 7\ **Last updated:** [September 1, 2008, 9:35am UTC](https://www.ruby-forum.com/t/another-chris-pine-tutorial-question/147317 "2008-09-01T09:35:18Z")
Let’s write a program which asks us to type in as many words as we want (one word per line, continuing until we just press Enter on an empty line), and which then repeats the words back to us in alphabetical order. OK… --- ## [Ruby and RDBS](https://www.ruby-forum.com/t/ruby-and-rdbs/143841)
**Author:** [@ti-mara](https://www.ruby-forum.com/u/ti-mara)\ **Replies:** 7\ **Last updated:** [July 23, 2008, 3:15pm UTC](https://www.ruby-forum.com/t/ruby-and-rdbs/143841 "2008-07-23T15:15:49Z")
This may seem like a very newb question. BUt are there any groups or projects dealing with using ruby and RDBMS, to do data mining and data analysis? I’m trying to learn ruby and want to am into database and data mini… --- ## [Extending ActiveRecord for csv export... a better way?](https://www.ruby-forum.com/t/extending-activerecord-for-csv-export-a-better-way/118842)
**Author:** [@adambeazley](https://www.ruby-forum.com/u/adambeazley)\ **Replies:** 7\ **Last updated:** [November 1, 2007, 7:17pm UTC](https://www.ruby-forum.com/t/extending-activerecord-for-csv-export-a-better-way/118842 "2007-11-01T19:17:34Z")
I accidentally posted this to the RoR forum; my apologies to anyone who receives this twice. As a new Ruby user (JRuby, actually), I’ve picked up this language with a very specific purpose: to export data from a JDBC … --- ## [Make a class evaluate to false in boolean expressions](https://www.ruby-forum.com/t/make-a-class-evaluate-to-false-in-boolean-expressions/116774)
**Author:** [@mattmcswain](https://www.ruby-forum.com/u/mattmcswain)\ **Replies:** 7\ **Last updated:** [October 9, 2007, 11:20pm UTC](https://www.ruby-forum.com/t/make-a-class-evaluate-to-false-in-boolean-expressions/116774 "2007-10-09T23:20:32Z")
I want to have a class that always evaluates to false in boolean expressions. Is there a way to extend Ruby so that it evaluates an object of a class to false like false and nil? Example class AlwaysFalse end shou… --- ## [Rethinking the default page @ localhost:3000](https://www.ruby-forum.com/t/rethinking-the-default-page-localhost-3000/243736)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [December 29, 2015, 3:51am UTC](https://www.ruby-forum.com/t/rethinking-the-default-page-localhost-3000/243736 "2015-12-29T03:51:06Z")
Hi all, I am a user experience designer, learning rails, its been some time now, but I still panic when deploying to production. I guess in year the rails default page has not changed much. and now when rails5 is to… --- ## [GNU radio with 1 - qa\_test\_all failed](https://www.ruby-forum.com/t/gnu-radio-with-1-qa-test-all-failed/241946)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [May 18, 2015, 7:16pm UTC](https://www.ruby-forum.com/t/gnu-radio-with-1-qa-test-all-failed/241946 "2015-05-18T19:16:12Z")
Hello all I am installing GNUradio in two boards, one is Odroid XU3, with Ubuntu 14.04 system. The other one is Hummingboard i2ex with Debian Jessie system. I build from source with version 3.7.8 in git. Both boards … --- ## [New GR Tutorials Posted](https://www.ruby-forum.com/t/new-gr-tutorials-posted/231494)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 8\ **Last updated:** [August 12, 2014, 11:31pm UTC](https://www.ruby-forum.com/t/new-gr-tutorials-posted/231494 "2014-08-12T23:31:51Z")
Hi everyone, I would like to invite you all to check out and beta test our new GNU Radio Tutorials: http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided\_Tutorials This was a good community effort to put this to… --- ## [Thoughts on a domain based white label app?](https://www.ruby-forum.com/t/thoughts-on-a-domain-based-white-label-app/236217)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [August 16, 2013, 10:03pm UTC](https://www.ruby-forum.com/t/thoughts-on-a-domain-based-white-label-app/236217 "2013-08-16T22:03:28Z")
Greets! I was wondering if there might be any pitfalls I should be aware of in order to create a domain based white label app. By that I mean, a single app that will change the layout/css/routes of an app depending o… --- ## [Integration of excel file with Paperclip](https://www.ruby-forum.com/t/integration-of-excel-file-with-paperclip/229531)
**Author:** [@Aurick](https://www.ruby-forum.com/u/Aurick)\ **Replies:** 3\ **Last updated:** [January 1, 2013, 12:47pm UTC](https://www.ruby-forum.com/t/integration-of-excel-file-with-paperclip/229531 "2013-01-01T12:47:23Z")
Hello, I am working on rails project and I want to send mail those person whose name I have uploaded in excel file and their photos through paperclip.And my mail format is on their anniversary automatic mail send by … --- ## [Problems with Capistrano's web:disable command](https://www.ruby-forum.com/t/problems-with-capistranos-web-disable-command/203541)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 3\ **Last updated:** [December 4, 2011, 10:06am UTC](https://www.ruby-forum.com/t/problems-with-capistranos-web-disable-command/203541 "2011-12-04T10:06:05Z")
I’m currently experimenting with Capistrano to deploy my rails app from my host machine to a Ubuntu server running within VirtualBox. It works great, but I am having trouble with the command “cap web:disable” which wr… --- ## [Hel;p with Tip Calculator](https://www.ruby-forum.com/t/hel-p-with-tip-calculator/192929)
**Author:** [@humandictionary](https://www.ruby-forum.com/u/humandictionary)\ **Replies:** 8\ **Last updated:** [August 11, 2010, 8:15pm UTC](https://www.ruby-forum.com/t/hel-p-with-tip-calculator/192929 "2010-08-11T20:15:42Z")
puts “What is the total?” input = gets.chomp.to\_i puts “What percent do you want to tip?” input2 = gets.chomp.to\_i percent = 100 tip = input2 \* input \* 0.01 puts “You should tip $#{tip}” This is a tip calculator. … --- ## [Session storage switching problem](https://www.ruby-forum.com/t/session-storage-switching-problem/170971)
**Author:** [@fredsmith1981](https://www.ruby-forum.com/u/fredsmith1981)\ **Replies:** 3\ **Last updated:** [June 24, 2009, 7:10pm UTC](https://www.ruby-forum.com/t/session-storage-switching-problem/170971 "2009-06-24T19:10:36Z")
I’ve added this line to switch to mem cache session store config.action\_controller.session\_store = :mem\_cache\_store to my environment.rb When trying to start server I’ve got this error =\> Booting WEBrick =\> Rails 2.… --- ## [Carattere e accentato](https://www.ruby-forum.com/t/carattere-e-accentato/160154)
**Author:** [@giampiz](https://www.ruby-forum.com/u/giampiz)\ **Replies:** 8\ **Last updated:** [February 12, 2009, 3:27pm UTC](https://www.ruby-forum.com/t/carattere-e-accentato/160154 "2009-02-12T15:27:19Z")
ciao a tutti ho notato quanto segue: stringa = “il tempo è bello” p stringa produce “il tempo \\350 bello” sapete dirmi qual è il modo migliore, più semplice, di ovviare al problema? grazie in anticipo per le v… --- ## [Help:dynamic inherit from a class](https://www.ruby-forum.com/t/help-dynamic-inherit-from-a-class/72859)
**Author:** [@karl1113](https://www.ruby-forum.com/u/karl1113)\ **Replies:** 2\ **Last updated:** [October 19, 2006, 1:28pm UTC](https://www.ruby-forum.com/t/help-dynamic-inherit-from-a-class/72859 "2006-10-19T13:28:48Z")
Hi all: Now I have problem about dynamiclly inheriting form a class. For example: class\_name=‘MyClass’ klass = Object.const\_set(class\_name, Class.new) klass.class\_eval do … end now i get a class named 'MyClass',the… --- ## [Extconf.rb problems](https://www.ruby-forum.com/t/extconf-rb-problems/51737)
**Author:** [@draens](https://www.ruby-forum.com/u/draens)\ **Replies:** 2\ **Last updated:** [December 3, 2005, 6:13pm UTC](https://www.ruby-forum.com/t/extconf-rb-problems/51737 "2005-12-03T18:13:12Z")
I am using last ruby installed with the 1-click install, on Windows. When i use extconf.rb files, I always get errror messages like this one: checking for deflateReset() in z.lib… no checking for deflateReset() in li… --- ## [GNU Radio Windows Port Up and Running, no gr-audio / gr-fcd](https://www.ruby-forum.com/t/gnu-radio-windows-port-up-and-running-no-gr-audio-gr-fcd/218675)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 5\ **Last updated:** [April 8, 2012, 3:28am UTC](https://www.ruby-forum.com/t/gnu-radio-windows-port-up-and-running-no-gr-audio-gr-fcd/218675 "2012-04-08T03:28:49Z")
Have the windows port up and running using the method below but I have a few questions. Found Josh B.'s directions for install the GNU Radio windows here: http://code.ettus.com/redmine/ettus/projects/uhd/wiki/GNURadio… --- ## [Send\_file : erreur](https://www.ruby-forum.com/t/send-file-erreur/168934)
**Author:** [@babiben](https://www.ruby-forum.com/u/babiben)\ **Replies:** 5\ **Last updated:** [May 27, 2009, 4:45pm UTC](https://www.ruby-forum.com/t/send-file-erreur/168934 "2009-05-27T16:45:42Z")
Bonjour, Je tente d’utiliser la fonction ‘send\_file’ avec un fichier xml par exemple. J’ai créé une fonction “download” contenant le code suivant dans mon contrôleur “Controleur” : def download @controleur = Co… --- ## [\[Login Engine\] Overriding controller and model](https://www.ruby-forum.com/t/login-engine-overriding-controller-and-model/58963)
**Author:** [@edresende](https://www.ruby-forum.com/u/edresende)\ **Replies:** 5\ **Last updated:** [April 28, 2006, 10:42am UTC](https://www.ruby-forum.com/t/login-engine-overriding-controller-and-model/58963 "2006-04-28T10:42:15Z")
I am struggling overriding the signup method. I would like not to override the entire method, because I only want to change the redirect clause. Since Rails does not allow two call to redirect (DoubleRenderError), the… --- ## [AIS processing. GNURadio](https://www.ruby-forum.com/t/ais-processing-gnuradio/263270)
**Author:** [@DennySok](https://www.ruby-forum.com/u/DennySok)\ **Replies:** 0\ **Last updated:** [September 20, 2022, 2:06pm UTC](https://www.ruby-forum.com/t/ais-processing-gnuradio/263270 "2022-09-20T14:06:30Z")
Hello! I have an AIS signal receiver circuit (https://oz9aec.net/radios/gnu-radio/a-2-channel-ais-receiver-using-rtl-sdr-and-gnuais ). Please help me change the scheme for processing .wav files. I attach the signal reco… --- ## [QAM and Chunks\_to\_Symbol](https://www.ruby-forum.com/t/qam-and-chunks-to-symbol/242592)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [July 6, 2015, 8:30am UTC](https://www.ruby-forum.com/t/qam-and-chunks-to-symbol/242592 "2015-07-06T08:30:54Z")
Hello, How can I specify symbol table and dimension for QAM in chunks\_to\_symbol block? which modulation is indicating in fsm\_utils.py by orth2 orth4? Can anybody help me. I am new to this GnuRadio. ThankYou With … --- ## [Receive WiFi Signal with USRP N210](https://www.ruby-forum.com/t/receive-wifi-signal-with-usrp-n210/240648)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [April 24, 2014, 10:14am UTC](https://www.ruby-forum.com/t/receive-wifi-signal-with-usrp-n210/240648 "2014-04-24T10:14:29Z")
I try to receive the WiFi signal with 802.11n standard,and the grc as attachment. It showed many “D”(overflow) in the terminal even at low sample rate (2M). I tried other two notebooks and use simple grc( uhd\_usrp\_sou… --- ## [Spec'ing calls to super (or other Ruby keywords)](https://www.ruby-forum.com/t/specing-calls-to-super-or-other-ruby-keywords/136517)
**Author:** [@Matt\_McNeil](https://www.ruby-forum.com/u/Matt_McNeil)\ **Replies:** 1\ **Last updated:** [May 3, 2008, 4:56pm UTC](https://www.ruby-forum.com/t/specing-calls-to-super-or-other-ruby-keywords/136517 "2008-05-03T16:56:53Z")
Hi there, How does one spec an invocation of a Ruby keyword, such as super in this case? class User \< ActiveResource::Base faking the ActiveRecord before/after\_save observers def save super UserMailer.deliver\_acti… --- ## [Default server with custom 404](https://www.ruby-forum.com/t/default-server-with-custom-404/244414)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 4\ **Last updated:** [April 7, 2016, 3:05pm UTC](https://www.ruby-forum.com/t/default-server-with-custom-404/244414 "2016-04-07T15:05:00Z")
I see this question has been asked and answered many times, but I am unable to make it work. On a server with multiple virtual hosts I wish to make a catchall which responds to everything with a 404 that reveals no … --- ## [Rate limiting intervals](https://www.ruby-forum.com/t/rate-limiting-intervals/238581)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [January 18, 2014, 12:26am UTC](https://www.ruby-forum.com/t/rate-limiting-intervals/238581 "2014-01-18T00:26:50Z")
Hello, With the rate limiting module you can easily rate limit based on seconds or on minutes. What I would like to do however is rate limit based on a 100 millisecond or 10 millisecond interval. That way you do n… --- ## [Issue with mail notification](https://www.ruby-forum.com/t/issue-with-mail-notification/183036)
**Author:** [@kadoudal](https://www.ruby-forum.com/u/kadoudal)\ **Replies:** 4\ **Last updated:** [February 7, 2010, 9:07am UTC](https://www.ruby-forum.com/t/issue-with-mail-notification/183036 "2010-02-07T09:07:11Z")
Rails 2.3.5 / Ruby 1.8.7 Hi All I have a small issue when using mail notification my default locale is :en (but I have already 2 locales :en , :fr for testing purpose I have a Notifier model … class Notifier \< Ac… --- ## [Color output in pagers](https://www.ruby-forum.com/t/color-output-in-pagers/179717)
**Author:** [@polunochnik](https://www.ruby-forum.com/u/polunochnik)\ **Replies:** 4\ **Last updated:** [December 2, 2009, 9:46pm UTC](https://www.ruby-forum.com/t/color-output-in-pagers/179717 "2009-12-02T21:46:10Z")
Hi. Is it possible to get color text in less, more or other pagers while piping the color output of Cucumber and RSpec? If it’s not possible is there any other methods to work with the color text in a console without … --- ## [Installing RoR on PenDrive](https://www.ruby-forum.com/t/installing-ror-on-pendrive/93182)
**Author:** [@kas](https://www.ruby-forum.com/u/kas)\ **Replies:** 4\ **Last updated:** [April 30, 2007, 6:21pm UTC](https://www.ruby-forum.com/t/installing-ror-on-pendrive/93182 "2007-04-30T18:21:26Z")
Hi, I’m a very noob ror programer (i’ve started yesterday), but for my live, i’ve pass all the day going up & down, and in order to have a constant learning, i want to install ruby on rails, mysql, mysql-front, and R… --- ## [Error\_page behavior](https://www.ruby-forum.com/t/error-page-behavior/244398)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [April 4, 2016, 10:51pm UTC](https://www.ruby-forum.com/t/error-page-behavior/244398 "2016-04-04T22:51:14Z")
Hello, I am struggling to understand the error\_page directive behavior: ​server { listen 80; listen \[::\]:80; server\_name example.org; location /proxied { return 418 "Host: $host, Connection: $http\_con… --- ## [Errno::ECONNREFUSED in net/ssh](https://www.ruby-forum.com/t/errno-econnrefused-in-net-ssh/224709)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [May 7, 2013, 9:33am UTC](https://www.ruby-forum.com/t/errno-econnrefused-in-net-ssh/224709 "2013-05-07T09:33:03Z")
Hi, I need to automate the ssh connection for that i wrote the small snippet but the error shows its not able to communicate with the remote machine using the below code. Please provide the solution. Note: Telnet … --- ## [Calling c++ from Ruby](https://www.ruby-forum.com/t/calling-c-from-ruby/142713)
**Author:** [@mr\_tibs](https://www.ruby-forum.com/u/mr_tibs)\ **Replies:** 3\ **Last updated:** [July 24, 2008, 4:30am UTC](https://www.ruby-forum.com/t/calling-c-from-ruby/142713 "2008-07-24T04:30:31Z")
Hi, I wrote this question on the newsgroup yesterday, but I didn’t see it actually get posted. Here it goes again. I’m trying to call a c++ function from Ruby and I’m getting some errors compiling the c++ part. Here… --- ## [I need something like ipython](https://www.ruby-forum.com/t/i-need-something-like-ipython/70627)
**Author:** [@Matthew\_Wilson](https://www.ruby-forum.com/u/Matthew_Wilson)\ **Replies:** 3\ **Last updated:** [October 1, 2006, 3:25am UTC](https://www.ruby-forum.com/t/i-need-something-like-ipython/70627 "2006-10-01T03:25:24Z")
I’m learning ruby to work on a RoR project. For the last six months, I’ve been doing python programming and really loving the ipython interpreter. I really don’t want to argue about python vs. ruby. I just want to k… [Previous page](https://www.ruby-forum.com/top.md?page=611&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=613&per_page=50)