# Latest **URL:** https://www.ruby-forum.com/latest.md?page=491 [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:** 492 --- ## [Using a Hash as an Argument for a Function or Method](https://www.ruby-forum.com/t/using-a-hash-as-an-argument-for-a-function-or-method/237584)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 27, 2013, 9:16am UTC](https://www.ruby-forum.com/t/using-a-hash-as-an-argument-for-a-function-or-method/237584 "2013-11-27T09:16:53Z")
I’m new to writing RubyGems and I wanted to include a gem\_name/bin file and have it accept command line arguments then pass them to the gem\_name/lib/gem\_name.rb file for further processing and just hand it completely … --- ## [Error while using a Named Route for navigation](https://www.ruby-forum.com/t/error-while-using-a-named-route-for-navigation/237728)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 27, 2013, 5:58am UTC](https://www.ruby-forum.com/t/error-while-using-a-named-route-for-navigation/237728 "2013-11-27T05:58:50Z")
I have home.html.erb file which has a link for \*course.html.erb \*file using link\_to. I have defined a named route for this navigation. On clicking the link, I get an error as shown below. Looks like the named route is… --- ## [Working examples using GPSDO kit from Ettus](https://www.ruby-forum.com/t/working-examples-using-gpsdo-kit-from-ettus/237739)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 27, 2013, 5:45am UTC](https://www.ruby-forum.com/t/working-examples-using-gpsdo-kit-from-ettus/237739 "2013-11-27T05:45:24Z")
Hi everyone , Can anyone tell me where i can find examples to work with GPSDO kit from Ettus. Thanks in advance Sandhya --- ## [Version issue with First App in Hartl Tutorial](https://www.ruby-forum.com/t/version-issue-with-first-app-in-hartl-tutorial/223679)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 10\ **Last updated:** [November 27, 2013, 2:46am UTC](https://www.ruby-forum.com/t/version-issue-with-first-app-in-hartl-tutorial/223679 "2013-11-27T02:46:07Z")
Stepping through the Hartl Rails 3 Tutorial from the 2nd edition book hot off the presses. Modified the Gemfile exactly as specified in the book, immediately got version issues: Could not find gem ‘jquery-rails (= 2… --- ## [Trying to use gdb](https://www.ruby-forum.com/t/trying-to-use-gdb/237727)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 27, 2013, 1:16am UTC](https://www.ruby-forum.com/t/trying-to-use-gdb/237727 "2013-11-27T01:16:05Z")
Hi, I am using GRC3.6.3 and my program is dying with no verbose. so now i have my core file in my home folder and i cant find the path to the executable. Can someone please tell me the path? Thanks! – --- ## [Layout e opzioni](https://www.ruby-forum.com/t/layout-e-opzioni/237686)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 8\ **Last updated:** [November 27, 2013, 12:33am UTC](https://www.ruby-forum.com/t/layout-e-opzioni/237686 "2013-11-27T00:33:26Z")
Salve, in Rails 2 funzionava perfettamente il comando all’inizio del controller: layout ‘law’, :except=\>\[:not\_found\] in Rails 3 non funziona più anche se ho trovato indicazioni in merito e la sintassi è identica. D… --- ## [Has\_many :through](https://www.ruby-forum.com/t/has-many-through/237733)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 11:21pm UTC](https://www.ruby-forum.com/t/has-many-through/237733 "2013-11-26T23:21:32Z")
Hi I have a problem with has\_many :trough association. I have 2 tables, Product and Category, and when I create new Product, I should make checkboxes to choose in what categories the product . I’ve made model categor… --- ## [Cuban Rails community](https://www.ruby-forum.com/t/cuban-rails-community/224264)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 11:11pm UTC](https://www.ruby-forum.com/t/cuban-rails-community/224264 "2013-11-26T23:11:35Z")
I’ve just started a new discussion group involving Rails developers from Cuba. If you fit that criteria we have open registration at Redirecting to Google Groups. If you know of another RUG or Rails group in Cuba tha… --- ## [Why not we able to include module in the parent class from child class?](https://www.ruby-forum.com/t/why-not-we-able-to-include-module-in-the-parent-class-from-child-class/237725)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 10:04pm UTC](https://www.ruby-forum.com/t/why-not-we-able-to-include-module-in-the-parent-class-from-child-class/237725 "2013-11-26T22:04:59Z")
I am having some confusion with the include method in Ruby, to include a module in a parent class, which is defined in a child class of that parent class. class B module M def meth 11 end end end class A \< B e… --- ## [Any rough ETA on SPDY/3 & push?](https://www.ruby-forum.com/t/any-rough-eta-on-spdy-3-push/236958)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 8\ **Last updated:** [November 26, 2013, 9:43pm UTC](https://www.ruby-forum.com/t/any-rough-eta-on-spdy-3-push/236958 "2013-11-26T21:43:57Z")
Contemplating switching my site over to Jetty to take advantage of spdy/3 and push, but would rather stay with nginx really… Is there a “rough” ETA on spdy3 in nginx? 1 month? 6 months? 2 years? Thanks, sorry if t… --- ## [\[VOLK\] Working Group Call](https://www.ruby-forum.com/t/volk-working-group-call/237724)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 7:36pm UTC](https://www.ruby-forum.com/t/volk-working-group-call/237724 "2013-11-26T19:36:01Z")
Greetings, The next VOLK / GPP optimization call will be Dec 12th, same time as most other calls. The Google+ event is here: https://plus.google.com/events/cc0em2d25sbf5hrufpoa6eo6at8 I’ll send out a rough agenda bef… --- ## [How to use RX1 channel on USRP](https://www.ruby-forum.com/t/how-to-use-rx1-channel-on-usrp/237635)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 6:41pm UTC](https://www.ruby-forum.com/t/how-to-use-rx1-channel-on-usrp/237635 "2013-11-26T18:41:41Z")
Hi Lists, I’ve modified RX1 channel on USRP N2xx FPGA sources, and data rate on RX1 is difference with RX0 (don’t change RX0 channel because RX0 channel will be use for other task). Could you tell me how to receive… --- ## [Sebastian Koslowski as the new GRC submaintainer](https://www.ruby-forum.com/t/sebastian-koslowski-as-the-new-grc-submaintainer/237722)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 6:39pm UTC](https://www.ruby-forum.com/t/sebastian-koslowski-as-the-new-grc-submaintainer/237722 "2013-11-26T18:39:21Z")
With the increased interest in the GNU Radio ecosystem we’ve been seeing over the past few years, the project is growing nicely and development work, including external contributions, has become a bigger part of the o… --- ## [\[GRC\] Working Group Call](https://www.ruby-forum.com/t/grc-working-group-call/237721)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 5:32pm UTC](https://www.ruby-forum.com/t/grc-working-group-call/237721 "2013-11-26T17:32:09Z")
Hey everyone, to continue (or revive) the discussion on future development of GRC started during the GRCon13 I have scheduled a G+ Hangout on Thursday, December 5 2013, 7pm CET. If you like to discuss/share (your) id… --- ## [Time Granularity of USRP N2XX](https://www.ruby-forum.com/t/time-granularity-of-usrp-n2xx/237714)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 26, 2013, 5:27pm UTC](https://www.ruby-forum.com/t/time-granularity-of-usrp-n2xx/237714 "2013-11-26T17:27:29Z")
Hi, Since we can get receive time of rx\_stream’s first sample via rx tags, I have two questions about the time granularity. Given the internal clock is 10Mhz, is the time granularity 0.1us? The fractional second is st… --- ## [\ Upon script run](https://www.ruby-forum.com/t/terminated-upon-script-run/237720)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 5:19pm UTC](https://www.ruby-forum.com/t/terminated-upon-script-run/237720 "2013-11-26T17:19:00Z")
Stupid question, I know. But, what am I missing here? I am just getting back into Ruby after a few years away. This code (\*See attached JPEG) is just a snippet I’m hacking away at to ensure watir is installed correctl… --- ## [Rx/Tx](https://www.ruby-forum.com/t/rx-tx/237717)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 5:12pm UTC](https://www.ruby-forum.com/t/rx-tx/237717 "2013-11-26T17:12:16Z")
Hi all, I’m trying to make a pulse repeater but i don’t know how to make it with GnuRadio Companion. I have no knowlodge on USRP and python, I can say i’m really a noob, but I’ve been able to send and receive the sig… --- ## [Pending release](https://www.ruby-forum.com/t/pending-release/237718)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 5:04pm UTC](https://www.ruby-forum.com/t/pending-release/237718 "2013-11-26T17:04:40Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid https://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [AttributeError: 'gr\_msg\_queue\_sptr'](https://www.ruby-forum.com/t/attributeerror-gr-msg-queue-sptr/237655)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 4:28pm UTC](https://www.ruby-forum.com/t/attributeerror-gr-msg-queue-sptr/237655 "2013-11-26T16:28:27Z")
Hi all, I have gnuradio 3.6.5 on Ubuntu 12.10. I needed to add some priority to some packets and insert them on the head of the message queue. I defined a new function “insert\_head” in gr\_msg\_queue.c and gr\_msg\_queue… --- ## [USRP Receive problem. (20MHz sample rate)](https://www.ruby-forum.com/t/usrp-receive-problem-20mhz-sample-rate/237715)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 3:48pm UTC](https://www.ruby-forum.com/t/usrp-receive-problem-20mhz-sample-rate/237715 "2013-11-26T15:48:57Z")
I want to use USRP to receive real 802.11a/g wifi signal, so I set sample rate 20MHz and appropriate centre frequency. But frequency spectrum of the receiving OFDM signal is strange. (see picture: fft\_router2422\_20m.j… --- ## [Problem using FFT-class in my own written block](https://www.ruby-forum.com/t/problem-using-fft-class-in-my-own-written-block/237716)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 3:32pm UTC](https://www.ruby-forum.com/t/problem-using-fft-class-in-my-own-written-block/237716 "2013-11-26T15:32:23Z")
Hi all, I wrote my own block in C++, and used gr-modtool to do all the ‘things’ around it as described in the tutorial “Out-of-tree modules”. I included ‘fft/fft.h’ in the C++ source code of the block, and used the c… --- ## [Delayed JOB ISSUE](https://www.ruby-forum.com/t/delayed-job-issue/237654)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [November 26, 2013, 2:19pm UTC](https://www.ruby-forum.com/t/delayed-job-issue/237654 "2013-11-26T14:19:22Z")
Hi all I am using delayed jobs to send sms I am using “GitHub - tobi/delayed\_job: Database backed asynchronous priority queue -- Extracted from Shopify”. In my other website my delayed job is working fine. Recently I … --- ## [Saying "Hello world" with Ruby on Rails (Tutorial)](https://www.ruby-forum.com/t/saying-hello-world-with-ruby-on-rails-tutorial/237681)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 12:58pm UTC](https://www.ruby-forum.com/t/saying-hello-world-with-ruby-on-rails-tutorial/237681 "2013-11-26T12:58:44Z")
http://arubystory.blogspot.com/2013/11/tutorial-saying-hello-world-with-ruby.html --- ## [Vulnerabilità Ruby 1.9 e 2.0](https://www.ruby-forum.com/t/vulnerabilita-ruby-1-9-e-2-0/237673)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 12:52pm UTC](https://www.ruby-forum.com/t/vulnerabilita-ruby-1-9-e-2-0/237673 "2013-11-26T12:52:17Z")
https://www.ruby-lang.org/en/news/2013/11/22/heap-overflow-in-floating-point-parsing-cve-2013-4164/ “Any time a string is converted to a floating point value, a specially crafted string can cause a heap overflow. This … --- ## [Chennai Ruby Jan 18 Meet up](https://www.ruby-forum.com/t/chennai-ruby-jan-18-meet-up/237713)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 12:33pm UTC](https://www.ruby-forum.com/t/chennai-ruby-jan-18-meet-up/237713 "2013-11-26T12:33:21Z")
Hello Ruby Folks, We at Spritle http://spritle.com are arranging a Rubyist meetup in Chennai, India on Jan 18 2014. It will be held in Spritle Software, opposite to Avichi School, Chennai. You can goto the meetups fa… --- ## [Chennai Ruby Jan 18 Meet up](https://www.ruby-forum.com/t/chennai-ruby-jan-18-meet-up/237712)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 12:28pm UTC](https://www.ruby-forum.com/t/chennai-ruby-jan-18-meet-up/237712 "2013-11-26T12:28:21Z")
Hello Ruby Folks, We at Spritle http://spritle.com are arranging a Rubyist meetup in Chennai, India on Jan 18 2014. It will be held in Spritle Software, opposite to Avichi School, Chennai. You can goto the meetups fa… --- ## [Ruby on Rails @ Startups FREE meetup](https://www.ruby-forum.com/t/ruby-on-rails-startups-free-meetup/237710)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 26, 2013, 10:05am UTC](https://www.ruby-forum.com/t/ruby-on-rails-startups-free-meetup/237710 "2013-11-26T10:05:47Z")
Hi all, I am glad to inform all of you. After long time we are having one meet up on Ruby on Rails @ Startups in Hyderabad, India Date : 14 Dec 2013 (10:30 - 1:30) Any buddy can join it, It’s FREE :slight\_smile: U… --- ## [Error while using a Named Route for naivgation](https://www.ruby-forum.com/t/error-while-using-a-named-route-for-naivgation/237704)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 9:19am UTC](https://www.ruby-forum.com/t/error-while-using-a-named-route-for-naivgation/237704 "2013-11-26T09:19:03Z")
I have home.html.erb file which has a link for \*course.html.erb \*file using link\_to. I have defined a named route for this navigation. On clicking the link, I get an error as shown below. Looks like the named route is… --- ## [Raising exception in call back](https://www.ruby-forum.com/t/raising-exception-in-call-back/237709)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 7:32am UTC](https://www.ruby-forum.com/t/raising-exception-in-call-back/237709 "2013-11-26T07:32:08Z")
Is it possible to catch exceptions raised in callbacks like after\_create in the controller? --- ## [Initial implementation of The Update Framework (TUF) for RubyGems](https://www.ruby-forum.com/t/initial-implementation-of-the-update-framework-tuf-for-rubygems/237663)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [November 26, 2013, 6:09am UTC](https://www.ruby-forum.com/t/initial-implementation-of-the-update-framework-tuf-for-rubygems/237663 "2013-11-26T06:09:10Z")
Hello there everyone! Here at Square we’ve been doing a Hack Week project to improve the security of RubyGems. We have been basing our efforts off a software update framework called The Update Framework (TUF) which i… [Previous page](https://www.ruby-forum.com/latest.md?page=490) [Next page](https://www.ruby-forum.com/latest.md?page=492)