# Latest **URL:** https://www.ruby-forum.com/latest.md?page=499 [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:** 500 --- ## [AttributeError while executing a simple example](https://www.ruby-forum.com/t/attributeerror-while-executing-a-simple-example/237504)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 16, 2013, 3:27pm UTC](https://www.ruby-forum.com/t/attributeerror-while-executing-a-simple-example/237504 "2013-11-16T15:27:02Z")
HI, I had installed GNU Radio recently and tried to execute a simple example as shown in the image below. But it throws me the following error. I referred various sources and I came to a guessing conclusion that thi… --- ## [\[ruby-trunk - Bug #9061\]\[Open\] REXML::Parsers::UltraLightParser で doctype を含む XML のパースがうまくいかない](https://www.ruby-forum.com/t/ruby-trunk-bug-9061-open-rexml-ultralightparser-doctype-xml/237221)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 16, 2013, 11:06am UTC](https://www.ruby-forum.com/t/ruby-trunk-bug-9061-open-rexml-ultralightparser-doctype-xml/237221 "2013-11-16T11:06:31Z")
Issue #9061 has been reported by ohai (Ippei Obayashi). Bug #9061: REXML::Parsers::UltraLightParser で doctype を含む XML のパースがうまくいかない Author: ohai (Ippei Obayashi) Status: Open Priority: Normal Assignee: Category: … --- ## [Simple graph (generated by Companion) crashes with segmentation fault on windows](https://www.ruby-forum.com/t/simple-graph-generated-by-companion-crashes-with-segmentation-fault-on-windows/237502)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 16, 2013, 10:13am UTC](https://www.ruby-forum.com/t/simple-graph-generated-by-companion-crashes-with-segmentation-fault-on-windows/237502 "2013-11-16T10:13:22Z")
I’ve installed GNU Radio from binaries on my Windows machine exactly as described in http://code.ettus.com/redmine/ettus/projects/uhd/wiki/GNURadio\_Windows guide. (I used specified versions except some packages which … --- ## [Using uninitialized "pat" variable while logging request](https://www.ruby-forum.com/t/using-uninitialized-pat-variable-while-logging-request/237500)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [November 16, 2013, 9:13am UTC](https://www.ruby-forum.com/t/using-uninitialized-pat-variable-while-logging-request/237500 "2013-11-16T09:13:48Z")
Hi, to debug my locations, I have a variable in my configuration that I reference during logging. The log format, included from nginx.conf: log\_format mylogformat '$remote\_addr - $remote\_user \[$time\_local\] $request ’ … --- ## [Mp4 to wav](https://www.ruby-forum.com/t/mp4-to-wav/237501)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [November 16, 2013, 8:55am UTC](https://www.ruby-forum.com/t/mp4-to-wav/237501 "2013-11-16T08:55:41Z")
Hi, Gurus, I’ve … pipeline = Gst::Pipeline.new “audio-player” source = Gst::ElementFactory.make “filesrc”, “file-source” decoder = Gst::ElementFactory.make “qtdemux”, “mp4-decoder” conv = Gst::ElementFactory.make “… --- ## [Ruby-audio 1.6.1 install error( with installed Libsndfile 1.0.25 )](https://www.ruby-forum.com/t/ruby-audio-1-6-1-install-error-with-installed-libsndfile-1-0-25/237436)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 16, 2013, 6:52am UTC](https://www.ruby-forum.com/t/ruby-audio-1-6-1-install-error-with-installed-libsndfile-1-0-25/237436 "2013-11-16T06:52:21Z")
Please help me to install ruby-audio 1.6.1 my ruby version 1.9.3p194 (2012-04-20 revision 35410) \[i686-linux\] Libsndfile 1.0.25 already installed. All errors in Attachment: log.txt(4.72KB) --- ## [Brakeman scanner installation](https://www.ruby-forum.com/t/brakeman-scanner-installation/237495)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [November 16, 2013, 3:58am UTC](https://www.ruby-forum.com/t/brakeman-scanner-installation/237495 "2013-11-16T03:58:52Z")
Hello All, I downloaded the zip file from the website, but I am not sure how to install brakeman. could you please detail out the steps Thanks Madhu --- ## [MQ jars not loading under Win 64](https://www.ruby-forum.com/t/mq-jars-not-loading-under-win-64/237485)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [November 16, 2013, 3:53am UTC](https://www.ruby-forum.com/t/mq-jars-not-loading-under-win-64/237485 "2013-11-16T03:53:08Z")
Hi My exact code , and with the exact IBM jars placed under jruby/lib fail to do an import of the MQ IBM Jar on Windows 7 64 bit. So i thought perhaps I was being naive i.e. I did not have to install any .so for mq c… --- ## [Random 502 bad gateway with php-fpm, why?](https://www.ruby-forum.com/t/random-502-bad-gateway-with-php-fpm-why/237467)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [November 16, 2013, 12:03am UTC](https://www.ruby-forum.com/t/random-502-bad-gateway-with-php-fpm-why/237467 "2013-11-16T00:03:47Z")
My PHP application went down for a few hours with 502 bad gateway. In the nginx error log all I see is: 2013/11/14 10:02:16 \[error\] 1466#0: \*57964 recv() failed (104: Connection reset by peer) while reading response… --- ## [Reading RSSI Values with GRC](https://www.ruby-forum.com/t/reading-rssi-values-with-grc/237499)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 10:51pm UTC](https://www.ruby-forum.com/t/reading-rssi-values-with-grc/237499 "2013-11-15T22:51:56Z")
Hello GR list, I am intending to read RSSI values on a RX (USRP N210), I have found in the post of Marcus D. Leech in https://www.ruby-forum.com/topic/1857766 10\*LOG10(DECIMATE(SINGLE\_POLE\_IIR\_FILTER(COMPLEX\_TO\_MAG\*\*… --- ## [Queries in NGINX proxy features](https://www.ruby-forum.com/t/queries-in-nginx-proxy-features/237497)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 15, 2013, 10:05pm UTC](https://www.ruby-forum.com/t/queries-in-nginx-proxy-features/237497 "2013-11-15T22:05:12Z")
We are designing a deployment were NGINX front ends all incoming https connection and then forwards it to multiple web containers like Tomcat and Node.js which listen on internal ports on 127.0.0.1. I have some questi… --- ## [Update\_tap method in adaptive filter class](https://www.ruby-forum.com/t/update-tap-method-in-adaptive-filter-class/237493)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 15, 2013, 8:14pm UTC](https://www.ruby-forum.com/t/update-tap-method-in-adaptive-filter-class/237493 "2013-11-15T20:14:48Z")
I’m looking at Coverity issue 1046173, Self Assignment. See: https://github.com/gnuradio/gnuradio/blob/master/gr-filter/lib/adaptive\_fir\_ccc\_impl.cc#L71 Now, this function obviously doesn’t do anything. I am trying to… --- ## [Rails to use i18n lazy look up with file structure](https://www.ruby-forum.com/t/rails-to-use-i18n-lazy-look-up-with-file-structure/237492)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 7:38pm UTC](https://www.ruby-forum.com/t/rails-to-use-i18n-lazy-look-up-with-file-structure/237492 "2013-11-15T19:38:01Z")
I am trying to handle i18n with file structure and rails doesn’t seem to find the look up with the lazy look up. and i posted my question in stackoverflow. I hope if there is someone who can answer my question than… --- ## [Caricamento settings con ActiveRecord](https://www.ruby-forum.com/t/caricamento-settings-con-activerecord/237486)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 8\ **Last updated:** [November 15, 2013, 6:36pm UTC](https://www.ruby-forum.com/t/caricamento-settings-con-activerecord/237486 "2013-11-15T18:36:37Z")
Ciao a tutti In un’app Rails devo caricare dei valori da una tabella di settings appena parte l’applicazione. Qual’ il posto giusto? Sono partito con l’idea dell’initializer e sul mio laptop tutto ok, ma quando depl… --- ## [Ip\_hash detailed behaviour](https://www.ruby-forum.com/t/ip-hash-detailed-behaviour/237488)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [November 15, 2013, 6:35pm UTC](https://www.ruby-forum.com/t/ip-hash-detailed-behaviour/237488 "2013-11-15T18:35:26Z")
Hello I would like to know more about the behaviour of ip\_hash when NGINX is reloaded and in the scenario of removing an upstream node. Is ip\_hash somehow clever/sticky and would reasign the IPs to the same node aft… --- ## [No USRPs found on interface eth0](https://www.ruby-forum.com/t/no-usrps-found-on-interface-eth0/237465)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [November 15, 2013, 5:01pm UTC](https://www.ruby-forum.com/t/no-usrps-found-on-interface-eth0/237465 "2013-11-15T17:01:56Z")
Dear All, I will ask you very old and classical question: ‘RuntimeError: No USRPs found on interface eth0’ I have USRP N200 I run: $ sudo ifconfig eth0 192.168.10.1 $ uhd\_find\_devices linux; GNU C++ version 4.4.1;… --- ## [No Rspec output when using spork](https://www.ruby-forum.com/t/no-rspec-output-when-using-spork/237483)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 3:57pm UTC](https://www.ruby-forum.com/t/no-rspec-output-when-using-spork/237483 "2013-11-15T15:57:36Z")
I have finally decided to track down a problem i have had with my testing lately, and i have found that if i do something like: rspec spec/models/order\_garage\_door\_spec.rb with NO spork running, i get all my rspec res… --- ## [Rails engines testing with logs](https://www.ruby-forum.com/t/rails-engines-testing-with-logs/237482)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 2:11pm UTC](https://www.ruby-forum.com/t/rails-engines-testing-with-logs/237482 "2013-11-15T14:11:45Z")
I am having trouble in understanding how can I check the logs for a test inside of an engine. So My setup is the typical example, with a main app and engine. Inside of the engine I have a dummy application(inside the … --- ## [FTW 802.11 with N200](https://www.ruby-forum.com/t/ftw-802-11-with-n200/218699)
**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\ **Replies:** 2\ **Last updated:** [November 15, 2013, 1:38pm UTC](https://www.ruby-forum.com/t/ftw-802-11-with-n200/218699 "2013-11-15T13:38:47Z")
Hi, I’m trying to get FTW 802.11 codes(https://www.cgran.org/wiki/ftw80211ofdmtx) working on a USRP N200 device. After investigating the source files generally, i have revised the parts that are related to sink indica… --- ## [\[User Experience\] Hangout Thursday](https://www.ruby-forum.com/t/user-experience-hangout-thursday/237404)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [November 15, 2013, 12:27pm UTC](https://www.ruby-forum.com/t/user-experience-hangout-thursday/237404 "2013-11-15T12:27:43Z")
Hi everyone, Thursday is our first post-conference hangout regarding everything user experience related. This includes: The web site (in particular: state of the in-wiki docs, FAQ) Tutorials General user experience A… --- ## [Accessing the uhd\_usrp object](https://www.ruby-forum.com/t/accessing-the-uhd-usrp-object/237455)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 11\ **Last updated:** [November 15, 2013, 11:18am UTC](https://www.ruby-forum.com/t/accessing-the-uhd-usrp-object/237455 "2013-11-15T11:18:08Z")
Hello all! I want to write a block that can directly access the uhd\_usrp\_source. This block is a mac block hence it is up on the food chain and far away from uhd\_usrp\_source in terms of its processing function. What … --- ## [Pfb\_arb\_resampler\_ccf](https://www.ruby-forum.com/t/pfb-arb-resampler-ccf/237457)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [November 15, 2013, 9:18am UTC](https://www.ruby-forum.com/t/pfb-arb-resampler-ccf/237457 "2013-11-15T09:18:22Z")
hello all who can tell mewhat is “pfb\_arb\_resampler\_ccf”?and what does it do? bzs --- ## [JRuby 1.7.8 Released](https://www.ruby-forum.com/t/jruby-1-7-8-released/237478)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 3:31am UTC](https://www.ruby-forum.com/t/jruby-1-7-8-released/237478 "2013-11-15T03:31:22Z")
The JRuby community is pleased to announce the release of JRuby 1.7.8 Homepage: http://www.jruby.org/ Download: http://www.jruby.org/download JRuby 1.7.8 is our eigth update release since JRuby 1.7.0. The primary goal … --- ## [Cannot Get Latest GNU Radio](https://www.ruby-forum.com/t/cannot-get-latest-gnu-radio/237476)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [November 15, 2013, 2:27am UTC](https://www.ruby-forum.com/t/cannot-get-latest-gnu-radio/237476 "2013-11-15T02:27:07Z")
I am trying to get the most up-to-date (3.7.x) version of GNU Radio, but my computer keeps downloading version 3.6.x. I am running Linux Mint 14. Any suggestions? --- ## [Has\_many question](https://www.ruby-forum.com/t/has-many-question/237405)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 6\ **Last updated:** [November 15, 2013, 2:06am UTC](https://www.ruby-forum.com/t/has-many-question/237405 "2013-11-15T02:06:21Z")
Hi all, I need some guidance please. I have several tables related by “has\_many” and I would like to find the “distant children”. Tables: Subjects Books Chapters Sections Subsections Minisections They are all … --- ## [Rake-compiler 0.9.2 Released](https://www.ruby-forum.com/t/rake-compiler-0-9-2-released/237475)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 15, 2013, 12:23am UTC](https://www.ruby-forum.com/t/rake-compiler-0-9-2-released/237475 "2013-11-15T00:23:14Z")
rake-compiler version 0.9.2 has been released! http://github.com/luislavena/rake-compiler = What is rake-compiler? rake-compiler is first and foremost a productivity tool for Ruby developers. It’s goal is to make t… --- ## [Status of GNU Radio with OSX 10.9](https://www.ruby-forum.com/t/status-of-gnu-radio-with-osx-10-9/237307)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 12\ **Last updated:** [November 15, 2013, 12:03am UTC](https://www.ruby-forum.com/t/status-of-gnu-radio-with-osx-10-9/237307 "2013-11-15T00:03:11Z")
Or, rather, with Apple’s new libc++ runtime. I’m working on the MacPorts ticket: \< #41162 (gnuradio fails to build on 10.9) – MacPorts \>. The high level advice right now is: If you update to 10.9, you won’t be using… --- ## [Build-gnuradio debian 7.2 (wheezy) support](https://www.ruby-forum.com/t/build-gnuradio-debian-7-2-wheezy-support/237474)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 14, 2013, 11:40pm UTC](https://www.ruby-forum.com/t/build-gnuradio-debian-7-2-wheezy-support/237474 "2013-11-14T23:40:35Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid https://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [Err in Documentation](https://www.ruby-forum.com/t/err-in-documentation/237473)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 14, 2013, 10:59pm UTC](https://www.ruby-forum.com/t/err-in-documentation/237473 "2013-11-14T22:59:41Z")
You forgot to update Strong params in section 6.4 (deleting comments) This is your final code: class CommentsController \< ApplicationController def create @post = Post.find(params\[:post\_id\]) @comment = @post.commen… --- ## [JRuby 1.7.7 Released](https://www.ruby-forum.com/t/jruby-1-7-7-released/237471)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [November 14, 2013, 10:33pm UTC](https://www.ruby-forum.com/t/jruby-1-7-7-released/237471 "2013-11-14T22:33:58Z")
The JRuby community is pleased to announce the release of JRuby 1.7.7 Homepage: http://www.jruby.org/ Download: http://www.jruby.org/download JRuby 1.7.7 is our seventh update release since JRuby 1.7.0. The primary go… [Previous page](https://www.ruby-forum.com/latest.md?page=498) [Next page](https://www.ruby-forum.com/latest.md?page=500)