# Latest **URL:** https://www.ruby-forum.com/latest.md?page=518 [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:** 519 --- ## [GNU Radio Coprocessor Working Group](https://www.ruby-forum.com/t/gnu-radio-coprocessor-working-group/236996)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 10:51pm UTC](https://www.ruby-forum.com/t/gnu-radio-coprocessor-working-group/236996 "2013-10-17T22:51:57Z")
During the monthly developer’s call today it was decided that working groups should communicate through the general GNU Radio mailing list. If you do not already track that list, please see http://gnuradio.org/redmin… --- ## [Digital Packet Padding for USRP Inquiry](https://www.ruby-forum.com/t/digital-packet-padding-for-usrp-inquiry/236995)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 10:13pm UTC](https://www.ruby-forum.com/t/digital-packet-padding-for-usrp-inquiry/236995 "2013-10-17T22:13:58Z")
I am curious as to the purpose of the 0x55 that is used for padding digital packets to the USRP (in addition to sticking one on the end of the packet to begin with)? Are these ignored and dropped by the USRP, or do … --- ## [Confusion with Ruby binary number](https://www.ruby-forum.com/t/confusion-with-ruby-binary-number/236992)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 7\ **Last updated:** [October 17, 2013, 10:05pm UTC](https://www.ruby-forum.com/t/confusion-with-ruby-binary-number/236992 "2013-10-17T22:05:58Z")
Can anyone tell me what’s happening in the below code ? c = 0b101010011 c # =\> 339 c\[0\] # =\> 1 c\[1\] # =\> 1 c\[2\] # =\> 0 c\[3\] # =\> 0 c\[4\] # =\> 1 here c is not an array,but how then c\[0\],c\[1\], etc producing output … --- ## [How to make modified uhd/host/examples](https://www.ruby-forum.com/t/how-to-make-modified-uhd-host-examples/246477)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 9:43pm UTC](https://www.ruby-forum.com/t/how-to-make-modified-uhd-host-examples/246477 "2013-10-17T21:43:00Z")
Hello GR Forum, I have to add some instructions for test purpose into some files of /uhd/host/examples Could you show me how to make the new files, or send me the link of How to instructions. BTW, I never used CMak… --- ## [Ruby-security mailing list](https://www.ruby-forum.com/t/ruby-security-mailing-list/236994)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 17, 2013, 9:20pm UTC](https://www.ruby-forum.com/t/ruby-security-mailing-list/236994 "2013-10-17T21:20:11Z")
Is there currently a mailing list for new posts about security that go to the following?: https://www.ruby-lang.org/en/security/ http://web.nvd.nist.gov/view/vuln/search-results?query=Ruby&search\_type=all&cves=on I k… --- ## [GR Conf 2014 Survey](https://www.ruby-forum.com/t/gr-conf-2014-survey/236993)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 17, 2013, 8:02pm UTC](https://www.ruby-forum.com/t/gr-conf-2014-survey/236993 "2013-10-17T20:02:28Z")
Just a friendly reminder for those that attended GR Conf 2014 - here is a survey link to provide some feedback: http://www.surveymonkey.com/s/W679DNP Will have a separate, but similar survey for those that could not … --- ## [Dev Call October 2013](https://www.ruby-forum.com/t/dev-call-october-2013/246355)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [October 17, 2013, 7:53pm UTC](https://www.ruby-forum.com/t/dev-call-october-2013/246355 "2013-10-17T19:53:42Z")
Hi everyone, still feeling good about GRCon13? Or maybe you couldn’t attend and would like another chance to participate? How about this: As usual, we will be doing a developer’s call the third Thursday a month, whic… --- ## [\[ANN\] Rails 4.0.1.rc1 has been released!](https://www.ruby-forum.com/t/ann-rails-4-0-1-rc1-has-been-released/236990)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 6:52pm UTC](https://www.ruby-forum.com/t/ann-rails-4-0-1-rc1-has-been-released/236990 "2013-10-17T18:52:21Z")
Hi everyone, I am happy to announce that Rails 4.0.1.rc1 has been released. This is a bug fix release and includes more than 450 commits. This release comes up with an important change on how Active Record handles s… --- ## [Fwd: Desenvolvedor PHP, Ruby On Rails em Rio de Janeiro - RJ](https://www.ruby-forum.com/t/fwd-desenvolvedor-php-ruby-on-rails-em-rio-de-janeiro-rj/246409)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 6:31pm UTC](https://www.ruby-forum.com/t/fwd-desenvolvedor-php-ruby-on-rails-em-rio-de-janeiro-rj/246409 "2013-10-17T18:31:54Z")
Apenas repassando. Abraos! ---------- Forwarded message ---------- From: “Bruno Hertwin Bttger Unger” removed\_email\_address@domain.invalid Date: Oct 13, 2013 6:33 PM Subject: \[Vaga de emprego\] Desenvolvedor PHP, Rub… --- ## [CodeMotion Milano! \<\< Codice sconto](https://www.ruby-forum.com/t/codemotion-milano-codice-sconto/246442)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 6:02pm UTC](https://www.ruby-forum.com/t/codemotion-milano-codice-sconto/246442 "2013-10-17T18:02:41Z")
Ciao a tutti! Il 29 e 30 novembre ci sar il Codemotion a Milano! Venerd 29 nov la giornata dedicata ai workshop: http://milano.codemotionworld.com/workshop/ AngularJS, Arduino, Sicurezza, PHP, HTML5, IoT invece sab… --- ## [Implementing a java interface with jruby](https://www.ruby-forum.com/t/implementing-a-java-interface-with-jruby/236988)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 17, 2013, 5:36pm UTC](https://www.ruby-forum.com/t/implementing-a-java-interface-with-jruby/236988 "2013-10-17T17:36:58Z")
Hi, I’m trying to implement a very simple java interface in ruby. On the java side I have: package com.stuff; public interface IProgressLiason { void voidMethod(); } On the ruby side I have: class ProgressLiason … --- ## [Retrieving audio after FFT and IFFT](https://www.ruby-forum.com/t/retrieving-audio-after-fft-and-ifft/246446)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 9\ **Last updated:** [October 17, 2013, 5:36pm UTC](https://www.ruby-forum.com/t/retrieving-audio-after-fft-and-ifft/246446 "2013-10-17T17:36:23Z")
Hi everyone. I’m trying to pass an audio file through FFT and IFFT, and the resulting audio is being distorted. I searched about it and I only found this link: http://lists.gnu.org/archive/html/discuss-gnuradio/2012-… --- ## [Bad File Descriptor openssl problem](https://www.ruby-forum.com/t/bad-file-descriptor-openssl-problem/246404)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [October 17, 2013, 4:54pm UTC](https://www.ruby-forum.com/t/bad-file-descriptor-openssl-problem/246404 "2013-10-17T16:54:53Z")
Hi, I’m new to jruby and am facing a problem which may be a bug. In jruby 1.7.3, when making https calls the openssl throws “Bad file descriptor” Exception when closing the connection randomly. I made a post to stack… --- ## [Old release cache](https://www.ruby-forum.com/t/old-release-cache/236986)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 12:34pm UTC](https://www.ruby-forum.com/t/old-release-cache/236986 "2013-10-17T12:34:10Z")
Hi all, for first sorry for my english. I’ve deployed a new app release with Capistrano on my Server after a cap deploy:cleanup (just to delete some old releases). At the moment I can’t see the changes I’ve made beca… --- ## [Fwd: Read a Number column with leading zeros using Roo gem](https://www.ruby-forum.com/t/fwd-read-a-number-column-with-leading-zeros-using-roo-gem/236987)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 17, 2013, 11:39am UTC](https://www.ruby-forum.com/t/fwd-read-a-number-column-with-leading-zeros-using-roo-gem/236987 "2013-10-17T11:39:20Z")
Hi all, I am trying to open and read a xlsx file, which I have attached. The upc column in that file, is the one I’m talking about. If I open the file in the Open Office Spreadsheet, it is correctly displaying with l… --- ## [UHD Daughter Board EEPROM Format (calibration data)](https://www.ruby-forum.com/t/uhd-daughter-board-eeprom-format-calibration-data/236976)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [October 17, 2013, 10:40am UTC](https://www.ruby-forum.com/t/uhd-daughter-board-eeprom-format-calibration-data/236976 "2013-10-17T10:40:19Z")
I am wondering if there has been any formalized structure for storing the IQ balance offset data in the dboard EEPROM. The following snippet is taken from the UHD that is packaged with GNU radio 3.5.1 (I’m not actu… --- ## [Why does sort method go low to high, but passing \<=\> make it go high to low?](https://www.ruby-forum.com/t/why-does-sort-method-go-low-to-high-but-passing-make-it-go-high-to-low/236973)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 11\ **Last updated:** [October 17, 2013, 8:57am UTC](https://www.ruby-forum.com/t/why-does-sort-method-go-low-to-high-but-passing-make-it-go-high-to-low/236973 "2013-10-17T08:57:23Z")
So, I’m was playing around with the sort method in irb with a basic array. I noticed the array gets sorted low to high if .sort is called. But, if I pass a block of code and use \<=\>, it goes high to low insead. Here … --- ## [Modifing ber\_simulator for simple OFDM test](https://www.ruby-forum.com/t/modifing-ber-simulator-for-simple-ofdm-test/246437)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [October 17, 2013, 12:02am UTC](https://www.ruby-forum.com/t/modifing-ber-simulator-for-simple-ofdm-test/246437 "2013-10-17T00:02:33Z")
Hi list, I want to realize a simple BER test using OFDM instead the modulations options in the original bert\_simulator.grc. I thought that a simple change would work. Basically, I remove de mod/demod used in change f… --- ## [Watir - Chrome - How to retrieve all “li” entries that are not all visible?](https://www.ruby-forum.com/t/watir-chrome-how-to-retrieve-all-li-entries-that-are-not-all-visible/246441)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 3\ **Last updated:** [October 16, 2013, 11:31pm UTC](https://www.ruby-forum.com/t/watir-chrome-how-to-retrieve-all-li-entries-that-are-not-all-visible/246441 "2013-10-16T23:31:35Z")
I’m using Watir on test automation of a Chrome based chatting/IM platform. One of the case is to get all contacts info from a frame. Contacts are placed in groups, and groups can be expanded or collapsed (by toggle-c… --- ## [\[Job\] Ruby Developer at Mumbai based Analytics company](https://www.ruby-forum.com/t/job-ruby-developer-at-mumbai-based-analytics-company/236953)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 16, 2013, 9:59pm UTC](https://www.ruby-forum.com/t/job-ruby-developer-at-mumbai-based-analytics-company/236953 "2013-10-16T21:59:50Z")
We are a 2-year old Mumbai based analytics firm called Pykih Software. We have clients in US, Canada, Kenya, India and Australia. The company has won few awards including the Economic Times Power of Ideas award 2012 … --- ## [Automatic route match for home and admin](https://www.ruby-forum.com/t/automatic-route-match-for-home-and-admin/236985)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [October 16, 2013, 9:38pm UTC](https://www.ruby-forum.com/t/automatic-route-match-for-home-and-admin/236985 "2013-10-16T21:38:32Z")
I am trying to avoid having to type each controller path manually and use the match as in here: ‘:controller(/:action(/:id))(.:format)’. So I commented out all the manually routes and uncommented the match rule down a… --- ## [RSpec with devise test helpers](https://www.ruby-forum.com/t/rspec-with-devise-test-helpers/236982)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 16, 2013, 9:17pm UTC](https://www.ruby-forum.com/t/rspec-with-devise-test-helpers/236982 "2013-10-16T21:17:24Z")
I’ve set my Rails (engine) project to include devise and other tools like FactoryGirl. I’d like to write some tests with contexts around anon/authenticated users. In my spec\_helper.rb’s RSpec.configure block, I have … --- ## [GNU Radio Logo](https://www.ruby-forum.com/t/gnu-radio-logo/236948)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [October 16, 2013, 7:23pm UTC](https://www.ruby-forum.com/t/gnu-radio-logo/236948 "2013-10-16T19:23:50Z")
Hello folks, I remembered there was a discussion on the IRC channel during gr-con '13 about GR needing usable logos. I happened to just had reproduced an original version of the logo for sticker printing, and promise… --- ## [Save and update multiple tables/models](https://www.ruby-forum.com/t/save-and-update-multiple-tables-models/236981)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [October 16, 2013, 6:54pm UTC](https://www.ruby-forum.com/t/save-and-update-multiple-tables-models/236981 "2013-10-16T18:54:02Z")
Hello everybody. I’m trying to make the save and update 2 tables and I can not do the same. Use Ruby 4 Rails 2. Table I and Table cases valves. Need to save four valves in each case. Now I can list both on the same … --- ## [Issue with Deploying a Rails app on VPS - cannot load such file -- unicorn/launcher](https://www.ruby-forum.com/t/issue-with-deploying-a-rails-app-on-vps-cannot-load-such-file-unicorn-launcher/236972)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 16, 2013, 6:51pm UTC](https://www.ruby-forum.com/t/issue-with-deploying-a-rails-app-on-vps-cannot-load-such-file-unicorn-launcher/236972 "2013-10-16T18:51:42Z")
I am trying to deploy a rails application to a digitalocean VPS droplet. I have the following setup Ruby on Rails on Ubuntu 12.10 (Nginx + Unicorn). I have installed Ruby ruby-2.0.0-p247 and rails Rails 4.0.0 via rvm… --- ## [Importing and using blocks from new version of GRC to the previous version](https://www.ruby-forum.com/t/importing-and-using-blocks-from-new-version-of-grc-to-the-previous-version/236966)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [October 16, 2013, 5:41pm UTC](https://www.ruby-forum.com/t/importing-and-using-blocks-from-new-version-of-grc-to-the-previous-version/236966 "2013-10-16T17:41:34Z")
Hi all! While trying to use the latest version of GR on Windows, I am receiving the same error discussed here (No module named wxgui\_swig):http://www.mail-archive.com/removed\_email\_address@domain.invalid/msg44400.html … --- ## [Jruby 1.7.5 oddity with round](https://www.ruby-forum.com/t/jruby-1-7-5-oddity-with-round/236980)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [October 16, 2013, 5:10pm UTC](https://www.ruby-forum.com/t/jruby-1-7-5-oddity-with-round/236980 "2013-10-16T17:10:01Z")
In 1.7.3 jruby-1.7.3 :001 \> 0.0.round =\> 0 jruby-1.7.3 :002 \> 0.0.round(1) =\> 0.0 jruby-1.7.3 :003 \> 0.round(1) =\> 0.0 In 1.7.5 jruby-1.7.5 :018 \> 0.0.round =\> 0 jruby-1.7.5 :019 \> 0.0.round(1) =\> 0 jruby-1.7… --- ## [SSL certificate not loaded](https://www.ruby-forum.com/t/ssl-certificate-not-loaded/236964)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 4\ **Last updated:** [October 16, 2013, 4:26pm UTC](https://www.ruby-forum.com/t/ssl-certificate-not-loaded/236964 "2013-10-16T16:26:11Z")
I have a strange problem with SLL. I purchased a SSL cert and combined the intermediary files into one: cat www\_mydomain\_com.crt PositiveSSLCA2.crt AddTrustExternalCARoot.crt mydomain-budle.crt In the server conf … --- ## [Cmake module issue](https://www.ruby-forum.com/t/cmake-module-issue/236977)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [October 16, 2013, 4:06pm UTC](https://www.ruby-forum.com/t/cmake-module-issue/236977 "2013-10-16T16:06:19Z")
I received a report this morning that gr-osmosdr was not configuring correctly in MacPorts; not able to find GNU Radio. Trying this myself, I can recreate the issue. After some investigation, the issue is somewhere … --- ## [Nginx Webdav & POST method](https://www.ruby-forum.com/t/nginx-webdav-post-method/236975)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [October 16, 2013, 3:41pm UTC](https://www.ruby-forum.com/t/nginx-webdav-post-method/236975 "2013-10-16T15:41:12Z")
Hello, We have an appliance which trying to perform POST methods against the Nginx server. However this doesn’t seem to be supported. Could you please confirm me that ? And is there a workaround in order to allow PO… [Previous page](https://www.ruby-forum.com/latest.md?page=517) [Next page](https://www.ruby-forum.com/latest.md?page=519)