# Latest

**URL:** https://www.ruby-forum.com/latest.md?page=452

[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:** 453

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## [Rtl sdr](https://www.ruby-forum.com/t/rtl-sdr/238861)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [February 1, 2014, 6:56pm UTC](https://www.ruby-forum.com/t/rtl-sdr/238861 "2014-02-01T18:56:29Z")

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Ok I have open suse Linux I have gnu radio I have rtl sdr dongle I have been using gqrx rx What can I do to get to know gnu radio Something simple Andrew Sent from my iPhone

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## [Cannot sort a file in ruby but can in bash](https://www.ruby-forum.com/t/cannot-sort-a-file-in-ruby-but-can-in-bash/238868)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 3\
**Last updated:** [February 1, 2014, 4:31pm UTC](https://www.ruby-forum.com/t/cannot-sort-a-file-in-ruby-but-can-in-bash/238868 "2014-02-01T16:31:03Z")

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I have a file, x.txt, of lines where a typical line is: 7|22|Come let us praise the Lord Currently it is ordered on the first column and I want to order it on the third column, where columns are separated by ‘|’. At t…

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## [Nginx -\> Dns server?](https://www.ruby-forum.com/t/nginx-dns-server/238860)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 5\
**Last updated:** [February 1, 2014, 1:57pm UTC](https://www.ruby-forum.com/t/nginx-dns-server/238860 "2014-02-01T13:57:28Z")

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Hello, I just read that nginx has a resolver. Will it be able to replace our powerdns which just enables the basics ds stuffs ? (lookup + ttl as usual) I rather prefer the nginx syntax and it would simplify the stack…

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## [Twitter-bootstrap-rails Gem adds a LOT of .js files to the page, doesn't it?](https://www.ruby-forum.com/t/twitter-bootstrap-rails-gem-adds-a-lot-of-js-files-to-the-page-doesnt-it/238864)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 2\
**Last updated:** [February 1, 2014, 1:01pm UTC](https://www.ruby-forum.com/t/twitter-bootstrap-rails-gem-adds-a-lot-of-js-files-to-the-page-doesnt-it/238864 "2014-02-01T13:01:24Z")

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Hi, I’ve installed twitter-bootstrap-rails to my app but when I view the source code I see. \<script data-turbolinks-track=“true” src="/assets/twitter/bootstrap/bootstrap-alert.js?body=1 view-source:http://0.0.0.0:…

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## [Invalid byte sequence in UTF-8 (ArgumentError) - Ruby - how to hande invaid bytes on runtime](https://www.ruby-forum.com/t/invalid-byte-sequence-in-utf-8-argumenterror-ruby-how-to-hande-invaid-bytes-on-runtime/238858)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 5\
**Last updated:** [February 1, 2014, 12:28pm UTC](https://www.ruby-forum.com/t/invalid-byte-sequence-in-utf-8-argumenterror-ruby-how-to-hande-invaid-bytes-on-runtime/238858 "2014-02-01T12:28:41Z")

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Basically I am having data in a file as below : Cote 0.56 0.6 0.71 0.93 0.08 0.21 0.98 0.96 CÙte d'Ivoire CÙte d’Ivoire 20.15 0.002 0.002 0.003 0 Problem created for Ù. I was getting an exception every …

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## [\[ruby-core:59728\] Ruby 2.1.0 in Production: known bugs and patches](https://www.ruby-forum.com/t/ruby-core-59728-ruby-2-1-0-in-production-known-bugs-and-patches/238866)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 0\
**Last updated:** [February 1, 2014, 9:42am UTC](https://www.ruby-forum.com/t/ruby-core-59728-ruby-2-1-0-in-production-known-bugs-and-patches/238866 "2014-02-01T09:42:48Z")

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Issue #9470 has been updated by Hiroshi SHIBATA. Description updated Backport #9470: \[ruby-core:59728\] Ruby 2.1.0 in Production: known bugs and patches Author: Hiroshi SHIBATA Status: Open Priority: Normal Assigne…

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## [\[Open\] \[ruby-core:59728\] Ruby 2.1.0 in Production: known bugs and patches](https://www.ruby-forum.com/t/open-ruby-core-59728-ruby-2-1-0-in-production-known-bugs-and-patches/238867)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 0\
**Last updated:** [February 1, 2014, 9:42am UTC](https://www.ruby-forum.com/t/open-ruby-core-59728-ruby-2-1-0-in-production-known-bugs-and-patches/238867 "2014-02-01T09:42:13Z")

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Issue #9470 has been reported by Hiroshi SHIBATA. Backport #9470: \[ruby-core:59728\] Ruby 2.1.0 in Production: known bugs and patches Author: Hiroshi SHIBATA Status: Open Priority: Normal Assignee: Category: Target …

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## [Ru i by version 1.0!](https://www.ruby-forum.com/t/ru-i-by-version-1-0/238862)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 0\
**Last updated:** [February 1, 2014, 1:15am UTC](https://www.ruby-forum.com/t/ru-i-by-version-1-0/238862 "2014-02-01T01:15:21Z")

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Hello, I don’t know if that interest somebody :slight\_smile: but Ruiby DSL become more mature, so pass to 1.0 version ! Gem : Ruiby | RubyGems.org | your community gem host Code: GitHub - glurp/dsl-gtk: DSL for mak…

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## [Problem regarding gnu core in installation of airprobe](https://www.ruby-forum.com/t/problem-regarding-gnu-core-in-installation-of-airprobe/238859)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [January 31, 2014, 5:47pm UTC](https://www.ruby-forum.com/t/problem-regarding-gnu-core-in-installation-of-airprobe/238859 "2014-01-31T17:47:19Z")

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hello everybudyy i am try to install airprobe for gsm spectrum decoding but i found this problem in gsm reciver installation …i got such a message checking for GNURADIO\_CORE… configure: error: Package requireme…

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## [FOSDEM 2013: local ham frequency](https://www.ruby-forum.com/t/fosdem-2013-local-ham-frequency/238854)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [January 31, 2014, 5:38pm UTC](https://www.ruby-forum.com/t/fosdem-2013-local-ham-frequency/238854 "2014-01-31T17:38:33Z")

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Hi, For any hams who will be going to FOSDEM 2014 this weekend: The proposed local frequency to find other hams: 145.525 Mhz. http://aprs.fi/#!mt=osm&z=11&call=a%2FFOSDEM&timerange=3600&tail=3600 This APRS informatio…

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## [InvalidAuthenticityToken](https://www.ruby-forum.com/t/invalidauthenticitytoken/141936)

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**Author:** [@johnk](https://www.ruby-forum.com/u/johnk)\
**Replies:** 25\
**Last updated:** [January 31, 2014, 4:48pm UTC](https://www.ruby-forum.com/t/invalidauthenticitytoken/141936 "2014-01-31T16:48:54Z")

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About 50-100 times a day I am getting the following error on my site: ActionController::InvalidAuthenticityToken occurred in session#create ActionController::InvalidAuthenticityToken /opt/local/lib/ruby/gems/1.8/gems/…

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## [Uninstall old version of Bootstrap, how?](https://www.ruby-forum.com/t/uninstall-old-version-of-bootstrap-how/238855)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [January 31, 2014, 4:05pm UTC](https://www.ruby-forum.com/t/uninstall-old-version-of-bootstrap-how/238855 "2014-01-31T16:05:04Z")

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Hi, I added this line to my Gemfile, then done “bundle install” gem ‘bootstrap-sass’, ‘2.3.2.0’ …but, I now want to install the latest version of bootstrap. How do I uninstall these files, do I just go into the asset…

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## [Is there any opening in India for RoR?](https://www.ruby-forum.com/t/is-there-any-opening-in-india-for-ror/238856)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 0\
**Last updated:** [January 31, 2014, 3:45pm UTC](https://www.ruby-forum.com/t/is-there-any-opening-in-india-for-ror/238856 "2014-01-31T15:45:12Z")

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I am fresher to RoR but interested to work in it. I am learning RoR and created 3-4 simple application in it. I want to learn more and make career in it. I use repository Github and deploy on Heroku site, below link …

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## [Re: Sine wave of only 3 cycles](https://www.ruby-forum.com/t/re-sine-wave-of-only-3-cycles/238832)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 2\
**Last updated:** [January 31, 2014, 12:35pm UTC](https://www.ruby-forum.com/t/re-sine-wave-of-only-3-cycles/238832 "2014-01-31T12:35:58Z")

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Dear Sirs, Thank you very much. The “head” block solve my problem precisely. Note: The flow graph consists of some other blocks at the middle. Regards, activecat.

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## [Bind two pages by form\_tag](https://www.ruby-forum.com/t/bind-two-pages-by-form-tag/238834)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [January 31, 2014, 11:16am UTC](https://www.ruby-forum.com/t/bind-two-pages-by-form-tag/238834 "2014-01-31T11:16:31Z")

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Hello ! I try to bind two pages together, a page which serves to make a research and a page which posts the result of the research. Here are two pages that I want to bind together : http://zupimages.net/up/14/05/0efm…

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## [Re: Error in hier block with 4 outputs and an async message!](https://www.ruby-forum.com/t/re-error-in-hier-block-with-4-outputs-and-an-async-message/238849)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [January 31, 2014, 10:08am UTC](https://www.ruby-forum.com/t/re-error-in-hier-block-with-4-outputs-and-an-async-message/238849 "2014-01-31T10:08:11Z")

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SUCCESS!! after renaming the output message pad as zzz\_something, the right order is restored! I will make sure to file a bug ticket on this, but for now I am set. thanks Achilleas

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## [How fastcgi temp works?](https://www.ruby-forum.com/t/how-fastcgi-temp-works/238840)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 2\
**Last updated:** [January 31, 2014, 8:41am UTC](https://www.ruby-forum.com/t/how-fastcgi-temp-works/238840 "2014-01-31T08:41:07Z")

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Hello everybody, We are using nginx with php-fpm. Our application works as download aggregator. We download files from 3rd party servers and send it to client while it’s still being downloaded. It means that we can’t…

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## [God with nginx+passenger](https://www.ruby-forum.com/t/god-with-nginx-passenger/238851)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 0\
**Last updated:** [January 31, 2014, 7:29am UTC](https://www.ruby-forum.com/t/god-with-nginx-passenger/238851 "2014-01-31T07:29:52Z")

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Hello All, I am trying to integrate god with nginx+passenger. Rails 3.2.8, Ruby 1.9.3 I am not getting the exact process how to integrate it. Should I create a .god file inside config in our project or outside proje…

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## [Newrelic doesn't log in daemon mode](https://www.ruby-forum.com/t/newrelic-doesnt-log-in-daemon-mode/238799)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 5\
**Last updated:** [January 31, 2014, 7:22am UTC](https://www.ruby-forum.com/t/newrelic-doesnt-log-in-daemon-mode/238799 "2014-01-31T07:22:16Z")

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Hello All, I have integrated Newrelic with my rails application. It is working fine in “rails s -e production” mode, but not in “rails s -e production -d” mode. How can I fix the problem? Thanks, Avi

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## [QT GUI Time Sink Attribute Error](https://www.ruby-forum.com/t/qt-gui-time-sink-attribute-error/238850)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 2\
**Last updated:** [January 31, 2014, 6:20am UTC](https://www.ruby-forum.com/t/qt-gui-time-sink-attribute-error/238850 "2014-01-31T06:20:21Z")

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Dear Sir, How to use the block of QT GUI Time Sink? It always produces following error message: Generating: “/home/sgku/grc/top\_block.py” Executing: “/home/sgku/grc/top\_block.py” Traceback (most recent call last): …

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## [Not able to save PDF Kit file to a Paperclip attachment in Rails 3.2.15](https://www.ruby-forum.com/t/not-able-to-save-pdf-kit-file-to-a-paperclip-attachment-in-rails-3-2-15/238842)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 1\
**Last updated:** [January 31, 2014, 4:07am UTC](https://www.ruby-forum.com/t/not-able-to-save-pdf-kit-file-to-a-paperclip-attachment-in-rails-3-2-15/238842 "2014-01-31T04:07:11Z")

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I am trying to save a pdf file (generated using Rails PDFKit gem) to a paperclip attachment. The MySQL table entry shows following for the paperclip attachment after saving the generated PDF file: MySQL table record: …

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## [Re: Error in hier block with 4 outputs and an async message!](https://www.ruby-forum.com/t/re-error-in-hier-block-with-4-outputs-and-an-async-message/238848)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 1\
**Last updated:** [January 31, 2014, 12:41am UTC](https://www.ruby-forum.com/t/re-error-in-hier-block-with-4-outputs-and-an-async-message/238848 "2014-01-31T00:41:07Z")

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Marcus, the error is still there even if you don’t have direct connections between in/out pads. See attached Achilleas

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## [Accessing results of retrieve where](https://www.ruby-forum.com/t/accessing-results-of-retrieve-where/238816)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 2\
**Last updated:** [January 30, 2014, 11:53pm UTC](https://www.ruby-forum.com/t/accessing-results-of-retrieve-where/238816 "2014-01-30T23:53:26Z")

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Hi, I am searching for a record using “where”: @profile = Profile.where(:user\_id =\> current\_user.id) This returns: =\> \[#\<Profile id: 6, user\_id: 19, last\_subject\_id: 6, last\_book\_id: 2, last\_chapter\_id: 1, last\_sect…

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## [Error in hier block with 4 outputs and an async message!](https://www.ruby-forum.com/t/error-in-hier-block-with-4-outputs-and-an-async-message/238841)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 1\
**Last updated:** [January 30, 2014, 11:50pm UTC](https://www.ruby-forum.com/t/error-in-hier-block-with-4-outputs-and-an-async-message/238841 "2014-01-30T23:50:52Z")

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Please see attached simple hier block with 4 complex outputs and 1 async message output. Everything compiles but the application does not run giving python error: Using Volk machine: sse4\_1\_64\_orc Traceback (most re…

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## [Hier blocks with message output pads](https://www.ruby-forum.com/t/hier-blocks-with-message-output-pads/238804)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 2\
**Last updated:** [January 30, 2014, 10:11pm UTC](https://www.ruby-forum.com/t/hier-blocks-with-message-output-pads/238804 "2014-01-30T22:11:33Z")

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Hi there, I am having the following problem: I create a simple hier block in grc and one of the outputs is a message. I added an output pad with message port, but I see two issues: the colour of the pad connection …

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## [Trouble with RVM permissions when executing a command line 'bundle install'](https://www.ruby-forum.com/t/trouble-with-rvm-permissions-when-executing-a-command-line-bundle-install/238823)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 5\
**Last updated:** [January 30, 2014, 9:42pm UTC](https://www.ruby-forum.com/t/trouble-with-rvm-permissions-when-executing-a-command-line-bundle-install/238823 "2014-01-30T21:42:21Z")

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Hello, I heard from 37signals that this is where the go to people hang out for Ruby on Rails. I included a full screenshot of my Terminal interaction, as well as a “brief” explanation below. I am taking a Ruby on Rai…

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## [Nginx 403 forbidden](https://www.ruby-forum.com/t/nginx-403-forbidden/238835)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 6\
**Last updated:** [January 30, 2014, 8:57pm UTC](https://www.ruby-forum.com/t/nginx-403-forbidden/238835 "2014-01-30T20:57:57Z")

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Hello everyone, I have Freebsd 8.2+squid+sarg+nginx server on my production server.I have problem to connect nginx internet users web reporting page. When i connect to this server via web browser get error : 403 fo…

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## [Cannot find wxGUI libraries in the GRC Blocks](https://www.ruby-forum.com/t/cannot-find-wxgui-libraries-in-the-grc-blocks/238836)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 0\
**Last updated:** [January 30, 2014, 5:02pm UTC](https://www.ruby-forum.com/t/cannot-find-wxgui-libraries-in-the-grc-blocks/238836 "2014-01-30T17:02:12Z")

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Hi, I am using the USRP N210 and running the same application as described in the ettus website/youtube: “How To Build an FM Receiver with the USRP in Less Than 10 Minutes” I noticed in my GRC I don’t see some of th…

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## [Resolving pipe deadlock](https://www.ruby-forum.com/t/resolving-pipe-deadlock/238571)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 41\
**Last updated:** [January 30, 2014, 4:47pm UTC](https://www.ruby-forum.com/t/resolving-pipe-deadlock/238571 "2014-01-30T16:47:20Z")

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This is a cross post from SO: I am trying to emulate UNIX command line pipes in a Ruby-only solution that uses multiple cores. Eventually, the records piped from command to command will be Ruby objects marshaled usin…

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## [JOBS: Looking for Ruby on Rails Developers](https://www.ruby-forum.com/t/jobs-looking-for-ruby-on-rails-developers/238838)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 0\
**Last updated:** [January 30, 2014, 4:35pm UTC](https://www.ruby-forum.com/t/jobs-looking-for-ruby-on-rails-developers/238838 "2014-01-30T16:35:12Z")

</div>

Hello, Hope you are doing well, We are looking for 10 ruby on rails Developers . Let me know if you have any consultants available. Sr. Lead Ruby and Rail Developer Location: San Francisco, CA Duration: Long Term S…

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