# Top **URL:** https://www.ruby-forum.com/top.md?page=830 [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:** 831 --- ## [Communicate with a daemon](https://www.ruby-forum.com/t/communicate-with-a-daemon/167641)
**Author:** [@judge](https://www.ruby-forum.com/u/judge)\ **Replies:** 4\ **Last updated:** [May 11, 2009, 11:16am UTC](https://www.ruby-forum.com/t/communicate-with-a-daemon/167641 "2009-05-11T11:16:46Z")
Hello everyone, After daemonize a Ruby process (thanks Ruby version 1.9), it is possible to communicate with on the same machine by using socket on localhost. Do you know some other methods instead of socket? Thanks. … --- ## [StackOverflowException when accessing object properties](https://www.ruby-forum.com/t/stackoverflowexception-when-accessing-object-properties/153347)
**Author:** [@bvanderveen](https://www.ruby-forum.com/u/bvanderveen)\ **Replies:** 4\ **Last updated:** [November 16, 2008, 1:08am UTC](https://www.ruby-forum.com/t/stackoverflowexception-when-accessing-object-properties/153347 "2008-11-16T01:08:37Z")
Hello all, Why does the stack overflow? class Program { static void Main(string\[\] args) { ScriptRuntime runtime = Ruby.CreateRuntime(); ScriptEngine engine = runtime.GetRubyEngine(); ScriptScope scope = engin… --- ## [Fastercsv and several row](https://www.ruby-forum.com/t/fastercsv-and-several-row/143792)
**Author:** [@alex-osu3](https://www.ruby-forum.com/u/alex-osu3)\ **Replies:** 4\ **Last updated:** [July 22, 2008, 9:13pm UTC](https://www.ruby-forum.com/t/fastercsv-and-several-row/143792 "2008-07-22T21:13:58Z")
Hi all, I just try fastercsv and it works fine. I use the codes below to print out the first columns of the first ten rows. And it is OK. Question1) Is this the Ruby way to do that? Question 2)what if I want to prin… --- ## [Facets 1.8](https://www.ruby-forum.com/t/facets-1-8/86245)
**Author:** [@Trans](https://www.ruby-forum.com/u/Trans)\ **Replies:** 4\ **Last updated:** [February 20, 2007, 11:31pm UTC](https://www.ruby-forum.com/t/facets-1-8/86245 "2007-02-20T23:31:19Z")
Facets 1.8 Facets is a large collection of core extension methods and module additions for the Ruby programming language. The core extensions are unique by virtue of their atomicity. Methods are stored in their own f… --- ## [Library (of books, not gems) Management in Ruby](https://www.ruby-forum.com/t/library-of-books-not-gems-management-in-ruby/84653)
**Author:** [@Bira](https://www.ruby-forum.com/u/Bira)\ **Replies:** 4\ **Last updated:** [February 6, 2007, 8:21pm UTC](https://www.ruby-forum.com/t/library-of-books-not-gems-management-in-ruby/84653 "2007-02-06T20:21:01Z")
Is there a Ruby application for managing collections of books, CD’s and “stuff” in general? I saw something similar written in Java (Data Crow) but it seemed a bit too heavy for my tastes. Searching for “library manag… --- ## [AGC loop and digital mods](https://www.ruby-forum.com/t/agc-loop-and-digital-mods/69987)
**Author:** [@tomrobinson](https://www.ruby-forum.com/u/tomrobinson)\ **Replies:** 4\ **Last updated:** [September 27, 2006, 9:05pm UTC](https://www.ruby-forum.com/t/agc-loop-and-digital-mods/69987 "2006-09-27T21:05:51Z")
Eric, Here’s a brief write-up on the tests I ran for the AGC loops. It looks like the feedforward has a slight advantage over most of the test cases. I thought I’d email this to the listserv in case anyone is interes… --- ## [Heredocs and white space](https://www.ruby-forum.com/t/heredocs-and-white-space/100464)
**Author:** [@giaco](https://www.ruby-forum.com/u/giaco)\ **Replies:** 4\ **Last updated:** [July 30, 2006, 11:54pm UTC](https://www.ruby-forum.com/t/heredocs-and-white-space/100464 "2006-07-30T23:54:22Z")
Is there some reason heredocs fail if there is white space after the closing string? Until I realized what was happening this caused me a good bit of trouble. Invisible characters shouldn’t cause stuff to fail. Exampl… --- ## [Deploying a RoR Intranet Application on Windows Server 2003](https://www.ruby-forum.com/t/deploying-a-ror-intranet-application-on-windows-server-2003/47523)
**Author:** [@obrien.andrew](https://www.ruby-forum.com/u/obrien.andrew)\ **Replies:** 4\ **Last updated:** [November 12, 2005, 12:49pm UTC](https://www.ruby-forum.com/t/deploying-a-ror-intranet-application-on-windows-server-2003/47523 "2005-11-12T12:49:50Z")
Hi everyone, I just finished developing a small reporting application using RoR and first I’d like to thank the community for the already much praised awesomeness of this framework. Now, my situation and question: T… --- ## [Ruby & Forms](https://www.ruby-forum.com/t/ruby-forms/233441)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [December 14, 2014, 2:30am UTC](https://www.ruby-forum.com/t/ruby-forms/233441 "2014-12-14T02:30:06Z")
Hi folks. I’m trying to get my head around the implementation of Ruby forms. This is not Rails. I’m messing around in Sinatra and wanted to know how to receive submitted forms. I’ve looked at CGI and the params tag… --- ## [Backend support for game](https://www.ruby-forum.com/t/backend-support-for-game/232119)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [September 23, 2014, 4:45pm UTC](https://www.ruby-forum.com/t/backend-support-for-game/232119 "2014-09-23T16:45:53Z")
Hey All: I just started learning Ruby & Rails to use with Heroku. I understand how Ruby works, and I like it a lot. I’m kind of stuck on how to implement my backend api for my game however. For instance, I have a “Ga… --- ## [Git check out fails](https://www.ruby-forum.com/t/git-check-out-fails/235849)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [July 22, 2013, 3:39pm UTC](https://www.ruby-forum.com/t/git-check-out-fails/235849 "2013-07-22T15:39:47Z")
i cant use the build script because the git check out fails. i suspect it has something to do with my router. i don’t know what setting i should change. any suggestions will be much appreciated. thanks Matt D --- ## [Https proxy to apache server](https://www.ruby-forum.com/t/https-proxy-to-apache-server/215608)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [January 10, 2012, 5:13pm UTC](https://www.ruby-forum.com/t/https-proxy-to-apache-server/215608 "2012-01-10T17:13:23Z")
I got an namebased vhost apache server running on 192.168.24.66 for calendar.powercraft.nl on both port 80 and 443. I need nginx to make a proxy pass for port 443 to the apache server. I don’t mind if it uses the port… --- ## [Large file reading](https://www.ruby-forum.com/t/large-file-reading/211654)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [September 14, 2011, 11:48am UTC](https://www.ruby-forum.com/t/large-file-reading/211654 "2011-09-14T11:48:28Z")
Hello all, What is the most efficient way of reading two large files at the same time without using too much memory? Also, I need to compare strings in the header lines throughout one file with the other file to weed … --- ## [Form without scaffold?](https://www.ruby-forum.com/t/form-without-scaffold/206549)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [May 14, 2011, 2:01pm UTC](https://www.ruby-forum.com/t/form-without-scaffold/206549 "2011-05-14T14:01:44Z")
Hi Strange to Rails.Read the tutorial on Scaffold.Can i generate a Simple form without using Scaffold? John --- ## [Hash of arrays](https://www.ruby-forum.com/t/hash-of-arrays/205675)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [April 17, 2011, 6:42pm UTC](https://www.ruby-forum.com/t/hash-of-arrays/205675 "2011-04-17T18:42:45Z")
I’m wrote this code to bin a list of words by word-length: dict = Hash.new(\[\]) dict\_file.each do |line| line.chomp!() dict\[line.length\] \<\< line end expecting that I could avoid testing each time whether this was a … --- ## [Re: grc amplitude demodulation questions](https://www.ruby-forum.com/t/re-grc-amplitude-demodulation-questions/201802)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [February 5, 2011, 12:18am UTC](https://www.ruby-forum.com/t/re-grc-amplitude-demodulation-questions/201802 "2011-02-05T00:18:26Z")
Martin, thanks for responding. See my follow ups below: — On Thu, 1/13/11, Marcus D. Leech removed\_email\_address@domain.invalid wrote: What are good values for “Audio Pass” and "Audio produces at least some noise,… --- ## [Setting up rspec-rails for hacking](https://www.ruby-forum.com/t/setting-up-rspec-rails-for-hacking/191176)
**Author:** [@Lalish-MenaghS\_Trev](https://www.ruby-forum.com/u/Lalish-MenaghS_Trev)\ **Replies:** 6\ **Last updated:** [July 9, 2010, 3:39pm UTC](https://www.ruby-forum.com/t/setting-up-rspec-rails-for-hacking/191176 "2010-07-09T15:39:56Z")
I am sure most of you could do this easily, but I wanted to write down how I got there in any case, so here are my instructions on how to set up rspec-rails to hack on: Enjoy, Trevor Trevor Lalish-Menagh 484.868.6… --- ## [OAI-PMH problem with more than one parameter](https://www.ruby-forum.com/t/oai-pmh-problem-with-more-than-one-parameter/181314)
**Author:** [@szymonides](https://www.ruby-forum.com/u/szymonides)\ **Replies:** 6\ **Last updated:** [June 30, 2010, 5:29am UTC](https://www.ruby-forum.com/t/oai-pmh-problem-with-more-than-one-parameter/181314 "2010-06-30T05:29:15Z")
Hello. I’m trying to make my site work with OAI-PMH (http:// oai.rubyforge.org/). Whilst running the tests on http://re.cs.uct.ac.za/ it seems that it can’t process more than two parameters. For example: http://mysit… --- ## [Parallelizing a ruby task](https://www.ruby-forum.com/t/parallelizing-a-ruby-task/171271)
**Author:** [@markthomas](https://www.ruby-forum.com/u/markthomas)\ **Replies:** 6\ **Last updated:** [June 30, 2009, 1:15pm UTC](https://www.ruby-forum.com/t/parallelizing-a-ruby-task/171271 "2009-06-30T13:15:52Z")
I have a long-running batch job that I would like to speed up. Currently it uses only one CPU and the server I have in mind for this has 16 cores, and I want to take advantage of them. I’m thinking one of three possib… --- ## [How to output two data elements from simple XML](https://www.ruby-forum.com/t/how-to-output-two-data-elements-from-simple-xml/163272)
**Author:** [@mmcolli00](https://www.ruby-forum.com/u/mmcolli00)\ **Replies:** 6\ **Last updated:** [March 19, 2009, 5:50am UTC](https://www.ruby-forum.com/t/how-to-output-two-data-elements-from-simple-xml/163272 "2009-03-19T05:50:58Z")
Hi I don’t understand how to output the exact data that I need from my xml document. I only need to get 2 data elements per xml segment, however I am getting the whole xml segment. Will you show me how to do this? -… --- ## [Dir.foreach() crash](https://www.ruby-forum.com/t/dir-foreach-crash/159465)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 6\ **Last updated:** [February 5, 2009, 7:45pm UTC](https://www.ruby-forum.com/t/dir-foreach-crash/159465 "2009-02-05T19:45:36Z")
I continue to have a crash with a script I’ve written that recurses through a disk calling foreach() as needed on directories. I am getting the following error: D:/BackupScripts/trimMachines.rb:130:in open': Invalid a… --- ## [XMLRPC Question](https://www.ruby-forum.com/t/xmlrpc-question/142438)
**Author:** [@afewtips](https://www.ruby-forum.com/u/afewtips)\ **Replies:** 6\ **Last updated:** [July 10, 2008, 3:12am UTC](https://www.ruby-forum.com/t/xmlrpc-question/142438 "2008-07-10T03:12:46Z")
I am working on a little project that requires me to interface with an XMLRPC server they have to grab some data. To first test it, I just telneted into the server and ran their test function, which was “ping”. It re… --- ## [Urgent Need For Ruby on Rails Developer - Los Angeles, CA](https://www.ruby-forum.com/t/urgent-need-for-ruby-on-rails-developer-los-angeles-ca/134901)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 6\ **Last updated:** [April 16, 2008, 6:52pm UTC](https://www.ruby-forum.com/t/urgent-need-for-ruby-on-rails-developer-los-angeles-ca/134901 "2008-04-16T18:52:23Z")
Hello Team This is an urgent requirement for 3 Engineers with expertise on Ruby on Rails (Language) Developer. Location: Los A., CA Duration: 1 year No. of Positions: 3 Job Description Resource should be able to h… --- ## [Generating HTML in a console application](https://www.ruby-forum.com/t/generating-html-in-a-console-application/134222)
**Author:** [@bado](https://www.ruby-forum.com/u/bado)\ **Replies:** 6\ **Last updated:** [April 9, 2008, 9:05am UTC](https://www.ruby-forum.com/t/generating-html-in-a-console-application/134222 "2008-04-09T09:05:49Z")
I’d like to generate HTML in a console application and I found http://amrita.sourceforge.jp Can you give me other alternatives? Thanks in advance. --- ## [Leer N caracteres ( incluídos saltos de línea ) con GServer](https://www.ruby-forum.com/t/leer-n-caracteres-inclua-dos-saltos-de-la-nea-con-gserver/131379)
**Author:** [@ISSSSaki\_Baz\_C](https://www.ruby-forum.com/u/ISSSSaki_Baz_C)\ **Replies:** 6\ **Last updated:** [March 9, 2008, 1:47pm UTC](https://www.ruby-forum.com/t/leer-n-caracteres-inclua-dos-saltos-de-la-nea-con-gserver/131379 "2008-03-09T13:47:41Z")
Hola, no consigo de ninguna forma lanzar un socket TCP con GServer y especificar que me lea N caracteres en total (pueden ser varias líneas seguidas). Un ejemplo de los datos que recibo es (supongamos que suman 55 c… --- ## [Best options for full customer control of content?](https://www.ruby-forum.com/t/best-options-for-full-customer-control-of-content/52392)
**Author:** [@dnstevenson](https://www.ruby-forum.com/u/dnstevenson)\ **Replies:** 6\ **Last updated:** [January 13, 2006, 8:22pm UTC](https://www.ruby-forum.com/t/best-options-for-full-customer-control-of-content/52392 "2006-01-13T20:22:26Z")
Hi Railers, I have a scenario to figure out that I’ve never yet come to a good answer for, and I’m hoping some of you can shed some light. The owner of website I built a while back (in PHP) would like to extend the … --- ## [Can I enable invokedynamic in JRUBYC command](https://www.ruby-forum.com/t/can-i-enable-invokedynamic-in-jrubyc-command/231439)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 8, 2014, 9:19pm UTC](https://www.ruby-forum.com/t/can-i-enable-invokedynamic-in-jrubyc-command/231439 "2014-08-08T21:19:23Z")
Hi I’ve read from the JRuby release log here JRuby 1.7.5 Released — JRuby.org that the invokedynamic has been disabled since JRuby 1.7.5. However, it still can be enabled using -Xcompile.invokedynamic=true command. I… --- ## [QARoR - another Questions & Answers platform for Ruby on Rails](https://www.ruby-forum.com/t/qaror-another-questions-answers-platform-for-ruby-on-rails/240524)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [May 4, 2014, 5:44pm UTC](https://www.ruby-forum.com/t/qaror-another-questions-answers-platform-for-ruby-on-rails/240524 "2014-05-04T17:44:01Z")
Hello, if someone need setup own simple version of Question & Answers site (like stackexchange.com, Quora.com, OSQA, Shapado etc.) and love Ruby on Rails, I just publish not so old code on GitHub - GitHub - mateuszdw… --- ## [Time synchronization generating PN sequences in USRP N210?](https://www.ruby-forum.com/t/time-synchronization-generating-pn-sequences-in-usrp-n210/228030)
**Author:** [@i0kpt](https://www.ruby-forum.com/u/i0kpt)\ **Replies:** 2\ **Last updated:** [April 9, 2013, 10:22pm UTC](https://www.ruby-forum.com/t/time-synchronization-generating-pn-sequences-in-usrp-n210/228030 "2013-04-09T22:22:57Z")
I am going to buy a N210 USRP that I would like to use to transmit a PseudoNoise sequence exactly at the arrival of a 1 PPS signal from an external source (or every 10 milliseconds from the 1 PPS transition). Is it po… --- ## [Build-gnuradio script with RedHat Enterprise Linux 6](https://www.ruby-forum.com/t/build-gnuradio-script-with-redhat-enterprise-linux-6/220768)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 2\ **Last updated:** [June 22, 2012, 3:47am UTC](https://www.ruby-forum.com/t/build-gnuradio-script-with-redhat-enterprise-linux-6/220768 "2012-06-22T03:47:48Z")
I am trying to use the build-gnuradio script on a RedHat Enterprise Linux 6 machine and I can not download certain packages. Those packages being wxPython-devel, pygsl, qwtplot3d-qt4-devel, and Orc. I have enabled the … --- ## [Can't dump File when uploading files](https://www.ruby-forum.com/t/cant-dump-file-when-uploading-files/207082)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [May 18, 2011, 8:38am UTC](https://www.ruby-forum.com/t/cant-dump-file-when-uploading-files/207082 "2011-05-18T08:38:36Z")
I am getting this error on the redirect\_to command … I am using Rails 3 w Paperclip to upload files ( but I tried also CarrierWave … same error) I tried to change the session store from cookie-based to database … s… --- ## [Rails 3 and Controller Instance Variables Inside a Helper](https://www.ruby-forum.com/t/rails-3-and-controller-instance-variables-inside-a-helper/226076)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 2\ **Last updated:** [September 7, 2010, 8:26pm UTC](https://www.ruby-forum.com/t/rails-3-and-controller-instance-variables-inside-a-helper/226076 "2010-09-07T20:26:11Z")
In my Rails 2.x applications i could access controller instance variables happily inside my application\_helper.rb but with 3.0 that is no longer the case. Specifically I’m attempting to access the special controller i… --- ## [Setting focus to child widget on notebook switch-page](https://www.ruby-forum.com/t/setting-focus-to-child-widget-on-notebook-switch-page/183559)
**Author:** [@sjglazer](https://www.ruby-forum.com/u/sjglazer)\ **Replies:** 2\ **Last updated:** [February 16, 2010, 5:55pm UTC](https://www.ruby-forum.com/t/setting-focus-to-child-widget-on-notebook-switch-page/183559 "2010-02-16T17:55:51Z")
I have a notebook widget with several pages. The pages each have a few child widgets, one of which is a Gtk::Entry. When I switch to a page I would like focus to switch to the Gtk::Entry widget. I’ve got a handler … --- ## [Wxruby2.so: \[BUG\] Segmentation fault on require 'wx'](https://www.ruby-forum.com/t/wxruby2-so-bug-segmentation-fault-on-require-wx/177836)
**Author:** [@gawk007](https://www.ruby-forum.com/u/gawk007)\ **Replies:** 2\ **Last updated:** [October 25, 2009, 1:29pm UTC](https://www.ruby-forum.com/t/wxruby2-so-bug-segmentation-fault-on-require-wx/177836 "2009-10-25T13:29:15Z")
Hi – I am trying to get ruby 1.9 to run on my Windows Vista Ultimate computer with and Intel 32 bit processor and all OS updates applied. I installed ruby 1.9 on October 23, 2009 using the zip file (ruby-1.9.1-p129-i… --- ## [Barcode Generation : Code 128](https://www.ruby-forum.com/t/barcode-generation-code-128/119307)
**Author:** [@leei](https://www.ruby-forum.com/u/leei)\ **Replies:** 2\ **Last updated:** [November 6, 2007, 1:12pm UTC](https://www.ruby-forum.com/t/barcode-generation-code-128/119307 "2007-11-06T13:12:29Z")
Anyone know of any libraries for creating code 128 barcodes ? Ideally we would like to include them in a PDF form. Any suggestions greatly appreciated. --- ## [Server-side Image Maps in Rails](https://www.ruby-forum.com/t/server-side-image-maps-in-rails/105773)
**Author:** [@jballanc](https://www.ruby-forum.com/u/jballanc)\ **Replies:** 2\ **Last updated:** [June 3, 2007, 1:55am UTC](https://www.ruby-forum.com/t/server-side-image-maps-in-rails/105773 "2007-06-03T01:55:58Z")
I’ve been working on an idea to use a server-side image map to allow users to click anywhere in an area and have a new element appear at the location they clicked. Everything was going well, until it came time to conn… --- ## [Re: FTP#mget, FTP#mput](https://www.ruby-forum.com/t/re-ftp-mget-ftp-mput/94668)
**Author:** [@BergerS\_Daniel](https://www.ruby-forum.com/u/BergerS_Daniel)\ **Replies:** 2\ **Last updated:** [May 10, 2006, 6:21pm UTC](https://www.ruby-forum.com/t/re-ftp-mget-ftp-mput/94668 "2006-05-10T18:21:08Z")
this does something like mput I guess I’m not sure how this is different that just doing something like this: module Net class FTP def mput(pattern, &block) Dir\[pattern\].each{ |file| put(file, &block) } end … --- ## [Devise Custamization](https://www.ruby-forum.com/t/devise-custamization/231835)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 7\ **Last updated:** [September 17, 2014, 2:04pm UTC](https://www.ruby-forum.com/t/devise-custamization/231835 "2014-09-17T14:04:24Z")
Hello everey one I’m trying to custamize Devise gem in rails 4 with add my required sign up feilds like firstname,company name,url,phone etc but i have got errors please suggest me if any on wok on devise custamizati… --- ## [How to initialize variables automatically on application bootstrap?](https://www.ruby-forum.com/t/how-to-initialize-variables-automatically-on-application-bootstrap/228232)
**Author:** [@zvooq](https://www.ruby-forum.com/u/zvooq)\ **Replies:** 7\ **Last updated:** [April 15, 2013, 2:17pm UTC](https://www.ruby-forum.com/t/how-to-initialize-variables-automatically-on-application-bootstrap/228232 "2013-04-15T14:17:48Z")
How to set some variables on bootstap? I need a few variables to be initialized with default values every request. For example in ZF there is a class Bootstrap whose methods are called automatically every request. Is … --- ## [Anyone do you know good GPS receiver Method?](https://www.ruby-forum.com/t/anyone-do-you-know-good-gps-receiver-method/213992)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [November 29, 2011, 11:12am UTC](https://www.ruby-forum.com/t/anyone-do-you-know-good-gps-receiver-method/213992 "2011-11-29T11:12:06Z")
Hi, All I have very trouble My experiment enviroment isUBUNTU 11.04 , USRP N200, DBSRX2 ,active antenna and gnuradio I am worrying about good software GPS receiver is not$B!!(Bexist . I want to receive L1 signal , … --- ## [Odd use of LO phase lock feature on USRP for RFID application](https://www.ruby-forum.com/t/odd-use-of-lo-phase-lock-feature-on-usrp-for-rfid-application/205969)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 7\ **Last updated:** [April 20, 2011, 5:57am UTC](https://www.ruby-forum.com/t/odd-use-of-lo-phase-lock-feature-on-usrp-for-rfid-application/205969 "2011-04-20T05:57:48Z")
Hi All, In RFID applications, a reader receives (backscatter from RFID tag) and transmits (constant tone) at the same frequency. With commercial readers, a single LO will be shared by the RX and TX chain. However, in… --- ## [Design question and opinions](https://www.ruby-forum.com/t/design-question-and-opinions/181633)
**Author:** [@imnotquitejack](https://www.ruby-forum.com/u/imnotquitejack)\ **Replies:** 7\ **Last updated:** [January 15, 2010, 4:59pm UTC](https://www.ruby-forum.com/t/design-question-and-opinions/181633 "2010-01-15T16:59:30Z")
I’m just working through the Agile web dev book (which is great) and i’m at the point i’d like to put together something to test my understanding. Luckily I have a project that will help my gaming community organise g… --- ## [From 3 fields :date input from forms to 1 field](https://www.ruby-forum.com/t/from-3-fields-date-input-from-forms-to-1-field/177550)
**Author:** [@fire-dragon-dol](https://www.ruby-forum.com/u/fire-dragon-dol)\ **Replies:** 7\ **Last updated:** [October 20, 2009, 10:57pm UTC](https://www.ruby-forum.com/t/from-3-fields-date-input-from-forms-to-1-field/177550 "2009-10-20T22:57:05Z")
Hi Rails community, here is my newbie problem (I’m migrating from PHP to ruby due to framework and ruby syntax, but I’m having some problems with “freedom” that a single php page offers): I’m using the scaffolding tec… --- ## [JRuby Hosting!](https://www.ruby-forum.com/t/jruby-hosting/163695)
**Author:** [@headius](https://www.ruby-forum.com/u/headius)\ **Replies:** 7\ **Last updated:** [March 25, 2009, 9:16am UTC](https://www.ruby-forum.com/t/jruby-hosting/163695 "2009-03-25T09:16:52Z")
There’s been a bit of talk recently about options for hosting JRuby (on Rails) applications. Lots of places provide Ruby (on Rails) support, and some provide general Java support, but it seems like there’s a demand fo… --- ## [Frequency dependent problem after syncronizing ,Please help!](https://www.ruby-forum.com/t/frequency-dependent-problem-after-syncronizing-please-help/160169)
**Author:** [@bruh](https://www.ruby-forum.com/u/bruh)\ **Replies:** 7\ **Last updated:** [March 3, 2009, 11:24am UTC](https://www.ruby-forum.com/t/frequency-dependent-problem-after-syncronizing-please-help/160169 "2009-03-03T11:24:53Z")
Hey all, I syncronized my USRPs(one is v4.3 and the other v4.5) by using the USRP clocking notes on http://www.gnuradio.org/trac/wiki/USRPClockingNotes, to make them frequency and phase syncronized. I want to use one… --- ## [Daughter Boards frequencies](https://www.ruby-forum.com/t/daughter-boards-frequencies/157144)
**Author:** [@ronaldo1](https://www.ruby-forum.com/u/ronaldo1)\ **Replies:** 7\ **Last updated:** [January 8, 2009, 7:46pm UTC](https://www.ruby-forum.com/t/daughter-boards-frequencies/157144 "2009-01-08T19:46:13Z")
Hello Community, I read in the faq and in the usrp\_stardard.cc that RF frequencies higher than 44MHz can’t be tuned in URSP, so how BasicTX, and other daughter boards can tune hundreds, thousands of MHz ? Thank you… --- ## [Two byte bool, and 30 channels?](https://www.ruby-forum.com/t/two-byte-bool-and-30-channels/145864)
**Author:** [@mattias\_k](https://www.ruby-forum.com/u/mattias_k)\ **Replies:** 7\ **Last updated:** [August 18, 2008, 6:09pm UTC](https://www.ruby-forum.com/t/two-byte-bool-and-30-channels/145864 "2008-08-18T18:09:23Z")
Hi list, I have been poking around the usrp2- api for a while, and I finaly got my usrp2- emulating software to work in a almost satisfactory way. Anyhow, I have at least one questions regarding the configuration of a … --- ## [Delete data from 2 different models](https://www.ruby-forum.com/t/delete-data-from-2-different-models/137192)
**Author:** [@RoR\_Nb](https://www.ruby-forum.com/u/RoR_Nb)\ **Replies:** 7\ **Last updated:** [May 13, 2008, 6:20am UTC](https://www.ruby-forum.com/t/delete-data-from-2-different-models/137192 "2008-05-13T06:20:45Z")
I have this code inside the account controller in the “destroy” method def destroy @account = Account.find(params\[:id\]) @portal = Portal.find(:all, :conditions =\> \[‘account\_id = ?’, @account.id \]) @portal.destroy @… --- ## [Error when creating a new page](https://www.ruby-forum.com/t/error-when-creating-a-new-page/119610)
**Author:** [@kohlbauer](https://www.ruby-forum.com/u/kohlbauer)\ **Replies:** 7\ **Last updated:** [November 9, 2007, 8:22am UTC](https://www.ruby-forum.com/t/error-when-creating-a-new-page/119610 "2007-11-09T08:22:24Z")
Hello, now I have intalled radiant and it works against the sql server. When I would like to create a new page I get that error: NameError in Admin/page#new Showing admin/page/edit.rhtml where line #218 raised: C:/I… --- ## [Comments extension: 500 Internal Server Error](https://www.ruby-forum.com/t/comments-extension-500-internal-server-error/116923)
**Author:** [@Teyo\_Tyree](https://www.ruby-forum.com/u/Teyo_Tyree)\ **Replies:** 7\ **Last updated:** [October 15, 2007, 12:48am UTC](https://www.ruby-forum.com/t/comments-extension-500-internal-server-error/116923 "2007-10-15T00:48:08Z")
I am a new radiant user am have some difficulty getting the comments extension working. I have svn exported the required extensions code to: /var/radiant/extensions/comments and /var/radiant/extensions/admin\_part and… [Previous page](https://www.ruby-forum.com/top.md?page=829&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=831&per_page=50)