# Latest **URL:** https://www.ruby-forum.com/latest.md?page=575 [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:** 576 --- ## [GNURadio looking for wrong boost version](https://www.ruby-forum.com/t/gnuradio-looking-for-wrong-boost-version/235911)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [July 24, 2013, 5:42pm UTC](https://www.ruby-forum.com/t/gnuradio-looking-for-wrong-boost-version/235911 "2013-07-24T17:42:18Z")
Hi Everyone, This might be something very trivial that I am unsure how to fix. I had everything with GNURadio working up until a couple days ago, but this afternoon I was getting some error concerning boost when tryi… --- ## [Which ATSC tuner dongles/cards are available for use in GNURadio?](https://www.ruby-forum.com/t/which-atsc-tuner-dongles-cards-are-available-for-use-in-gnuradio/235919)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [July 24, 2013, 5:01pm UTC](https://www.ruby-forum.com/t/which-atsc-tuner-dongles-cards-are-available-for-use-in-gnuradio/235919 "2013-07-24T17:01:57Z")
What ATSC (6MHz wide) tuners are available to work with GNURadio? Is there a simple HDTV tuner/ADC capable of sending I/Q data to GNURadio to demod in software? I’d use a USRP except the budget is in the sub-$200 ran… --- ## [Combo box or list box?](https://www.ruby-forum.com/t/combo-box-or-list-box/235920)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [July 24, 2013, 2:52pm UTC](https://www.ruby-forum.com/t/combo-box-or-list-box/235920 "2013-07-24T14:52:02Z")
When I did a search on “Combo box” it came back with more than 200 entries. When I was programming in Visual Basic a Combo Box was a Combination(Combo) of a text box and a list box. The user would enter data in the … --- ## [Gnuradio master on Debian testing/jessie - experiences?](https://www.ruby-forum.com/t/gnuradio-master-on-debian-testing-jessie-experiences/235897)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [July 24, 2013, 2:44pm UTC](https://www.ruby-forum.com/t/gnuradio-master-on-debian-testing-jessie-experiences/235897 "2013-07-24T14:44:31Z")
Hi, Are there any experiences with gnuradio master on Debian testing/jessie amd64? Is it expected to get it up and running without bigger problems? At least libboost 1.53 is available… Ralph. --- ## [Nginx 1.4.2 Centos Packages](https://www.ruby-forum.com/t/nginx-1-4-2-centos-packages/235889)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 5\ **Last updated:** [July 24, 2013, 2:38pm UTC](https://www.ruby-forum.com/t/nginx-1-4-2-centos-packages/235889 "2013-07-24T14:38:06Z")
Hi, I just updated my nginx from 1.4.1 to 1.4.2 from packages provided by nginx for centos and then i realized that many modules available with 1.4.1 are not compiled in premade packages of 1.4.2 for centos, so i’ve … --- ## [JRuby debug problem](https://www.ruby-forum.com/t/jruby-debug-problem/235883)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 3\ **Last updated:** [July 24, 2013, 2:34pm UTC](https://www.ruby-forum.com/t/jruby-debug-problem/235883 "2013-07-24T14:34:35Z")
I’m having a problem with the jruby debugger and SWT. The app that I’m trying to debug works fine in non-debug mode or jirb. I’m running on Windows 7 with 64-bit version of Java and JRuby. Here is the output from the … --- ## [Prevent nginx caching empty pages?](https://www.ruby-forum.com/t/prevent-nginx-caching-empty-pages/235921)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [July 24, 2013, 2:25pm UTC](https://www.ruby-forum.com/t/prevent-nginx-caching-empty-pages/235921 "2013-07-24T14:25:49Z")
Hi, I’m trying to diagnose a problem we have on a rather complex system with an nginx acting as a remote proxy server, where what appears to be a completely empty response is being returned, seemingly from the nginx … --- ## [Eclipse 3rdrail db migration wizard fails](https://www.ruby-forum.com/t/eclipse-3rdrail-db-migration-wizard-fails/235906)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [July 24, 2013, 1:58pm UTC](https://www.ruby-forum.com/t/eclipse-3rdrail-db-migration-wizard-fails/235906 "2013-07-24T13:58:10Z")
Hello, I am attempting to do a new db migration on an existing project however when I try to run the migration wizard it fails with the following error in my console window. script/generate migration --force tests … --- ## [Using :group with #count generating bad SQL in Postgres](https://www.ruby-forum.com/t/using-group-with-count-generating-bad-sql-in-postgres/235891)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 11\ **Last updated:** [July 24, 2013, 12:41pm UTC](https://www.ruby-forum.com/t/using-group-with-count-generating-bad-sql-in-postgres/235891 "2013-07-24T12:41:49Z")
Rails 4.0.0, Ruby 2.0 class Title \< … … has\_many :comments def self.order\_by\_number\_of\_comments\_descending select(‘titles.\*, count(comments.id) AS comments\_count’). joins(:comments). group(‘titles.id’). order(‘co… --- ## [Using GMSK Mod to send digital data (e.g. an ASCII string)](https://www.ruby-forum.com/t/using-gmsk-mod-to-send-digital-data-e-g-an-ascii-string/245856)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [July 24, 2013, 12:34pm UTC](https://www.ruby-forum.com/t/using-gmsk-mod-to-send-digital-data-e-g-an-ascii-string/245856 "2013-07-24T12:34:12Z")
Hello list, I would like to transmit some data using gnu-radio. My data is a binary representation of an ASCII string. I wrote my own block that builds the frame (header, payload, CRC, trailer) as an array of 256 byte… --- ## [Backend responding with 100 Continue results in the actual response being lost](https://www.ruby-forum.com/t/backend-responding-with-100-continue-results-in-the-actual-response-being-lost/245857)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 5\ **Last updated:** [July 24, 2013, 9:45am UTC](https://www.ruby-forum.com/t/backend-responding-with-100-continue-results-in-the-actual-response-being-lost/245857 "2013-07-24T09:45:59Z")
I’m using nginx as a reverse proxy, configured to use HTTP 1.1 so as to support range requests. The server responds to some of the requests with a “100 Continue”, even if there was no “Expect: 100-continue” in the re… --- ## [\[JOBS\] Ruby on Rails Developer; Boston, MA - full time](https://www.ruby-forum.com/t/jobs-ruby-on-rails-developer-boston-ma-full-time/235918)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [July 24, 2013, 7:13am UTC](https://www.ruby-forum.com/t/jobs-ruby-on-rails-developer-boston-ma-full-time/235918 "2013-07-24T07:13:30Z")
My client is a flourishing, integrated global marketing agency with offices all over the world. We work with amazing Fortune 1000 brands that are household names. Project work runs the gamut - from microsites, digita… --- ## [Rubydoctest problem](https://www.ruby-forum.com/t/rubydoctest-problem/245888)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 24, 2013, 6:22am UTC](https://www.ruby-forum.com/t/rubydoctest-problem/245888 "2013-07-24T06:22:06Z")
Wondering if you good folk here would know any tips for getting around some of the rubydoctest basics. I’m running into the below problem. FAIL | get\_rules(ltm\_name, rule\_name) =\> returns an array of rules for a sp… --- ## [Nginx returns HTTP 200 with Content-Length: 0](https://www.ruby-forum.com/t/nginx-returns-http-200-with-content-length-0/208142)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 12\ **Last updated:** [July 24, 2013, 5:13am UTC](https://www.ruby-forum.com/t/nginx-returns-http-200-with-content-length-0/208142 "2013-07-24T05:13:08Z")
Hi guys, I configured nginx to be used as HTTP reverse proxy on Amazon EC2, the back end servers are somewhere on the Internet. The problem I’m facing is that nginx sometimes returns HTTP 200 with Content-Length: 0 … --- ## [Executing initialization code before java\_import in JRuby](https://www.ruby-forum.com/t/executing-initialization-code-before-java-import-in-jruby/235908)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [July 24, 2013, 4:54am UTC](https://www.ruby-forum.com/t/executing-initialization-code-before-java-import-in-jruby/235908 "2013-07-24T04:54:26Z")
Does java\_import always execute before initialize in JRuby? I need the following code to execute def initialize vlc\_path @vlc\_path = vlc\_path || get\_vlc\_path NativeLibrary.addSearchPath(RuntimeUtil.getLibVlcLibraryNa… --- ## [Vlad 2.6.1 Released](https://www.ruby-forum.com/t/vlad-2-6-1-released/245887)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [July 24, 2013, 3:24am UTC](https://www.ruby-forum.com/t/vlad-2-6-1-released/245887 "2013-07-24T03:24:03Z")
vlad version 2.6.1 has been released! rdoc: http://hitsquad.rubyforge.org/vlad home: http://rubyhitsquad.com/ code: https://github.com/seattlerb/vlad Vlad the Deployer is pragmatic application deployment automation… --- ## [My Weird error](https://www.ruby-forum.com/t/my-weird-error/235913)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [July 24, 2013, 1:45am UTC](https://www.ruby-forum.com/t/my-weird-error/235913 "2013-07-24T01:45:02Z")
Hi, I’m getting this error while deploying to a dev machine with cap:deploy executing “cd – /home/ubuntu/deployments/appreleases/20130723233947 && RAILS\_ENV=production RAILS\_GROUPS=assets rake assets:precompile” serv… --- ## [Openssl error with latest JDK and JRuby](https://www.ruby-forum.com/t/openssl-error-with-latest-jdk-and-jruby/235840)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 24, 2013, 12:53am UTC](https://www.ruby-forum.com/t/openssl-error-with-latest-jdk-and-jruby/235840 "2013-07-24T00:53:38Z")
LoadError: load error: openssl – java.lang.NoClassDefFoundError: Could not initialize class org.jruby.ext.openssl.ASN1 org/jruby/RubyKernel.java:1054:in require' /usr/local/Cellar/jruby/1.7.4/libexec/lib/ruby/shared/ru… --- ## [NameError: uninitialized constant IRB::Irb](https://www.ruby-forum.com/t/nameerror-uninitialized-constant-irb-irb/235871)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [July 24, 2013, 12:43am UTC](https://www.ruby-forum.com/t/nameerror-uninitialized-constant-irb-irb/235871 "2013-07-24T00:43:41Z")
Hi, I am totally new to both Ruby and JRuby. In fact I met this problem when I was trying to debug HBase, which has a shell - hirb.rb - written in Ruby. The file hirb.rb contains a class HIRB which subclasses IRB as… --- ## [\[ANN\] Rails 3.2.14 has been released!](https://www.ruby-forum.com/t/ann-rails-3-2-14-has-been-released/245898)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [July 23, 2013, 11:40pm UTC](https://www.ruby-forum.com/t/ann-rails-3-2-14-has-been-released/245898 "2013-07-23T23:40:34Z")
Hi everyone, I am happy to announce that Rails 3.2.14 has been released. This is a bug fix release and includes more than 150 commits. I also want to announce that the next 3.2.x release, 3.2.15, will be the last bu… --- ## [Question on while loop to script](https://www.ruby-forum.com/t/question-on-while-loop-to-script/235896)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 4\ **Last updated:** [July 23, 2013, 11:36pm UTC](https://www.ruby-forum.com/t/question-on-while-loop-to-script/235896 "2013-07-23T23:36:29Z")
Hi guys, I’m new to ruby and I’m writing simple programs to help my understanding of ruby. I wrote the program below and I would like to know if you guys could recommend a while loop to use before the if statement so … --- ## [$500 2x2 MIMO Kickstarter launched today](https://www.ruby-forum.com/t/500-2x2-mimo-kickstarter-launched-today/235910)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [July 23, 2013, 9:22pm UTC](https://www.ruby-forum.com/t/500-2x2-mimo-kickstarter-launched-today/235910 "2013-07-23T21:22:38Z")
Just a FYI, Distribute & Manufacture Software Defined Radiohttp://www.kickstarter.com/projects/windycitysdr/distribute-and-manufacture-software-defined-radio http://www.kickstarter.com/projects/windycitysdr/distribute… --- ## [Can SDR be used for very short pulse detection?](https://www.ruby-forum.com/t/can-sdr-be-used-for-very-short-pulse-detection/235904)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [July 23, 2013, 8:58pm UTC](https://www.ruby-forum.com/t/can-sdr-be-used-for-very-short-pulse-detection/235904 "2013-07-23T20:58:05Z")
First of all, I am a newbie to this list, and while I managed to find some references to SDR (and GNU Radio) being used for detecting astronomical radio pulses, I could not find the kind of thing I need. I apologise i… --- ## [How to use activemodel collection.build for a has\_many :through association](https://www.ruby-forum.com/t/how-to-use-activemodel-collection-build-for-a-has-many-through-association/245851)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 4\ **Last updated:** [July 23, 2013, 7:25pm UTC](https://www.ruby-forum.com/t/how-to-use-activemodel-collection-build-for-a-has-many-through-association/245851 "2013-07-23T19:25:47Z")
Hi all, In my controller I am doing the following to populate a nested form for a has\_many through association: def new @specification = Specification.new Component.find\_each.each do |component| @specification.… --- ## [Capybara tests always returning true](https://www.ruby-forum.com/t/capybara-tests-always-returning-true/235909)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [July 23, 2013, 7:25pm UTC](https://www.ruby-forum.com/t/capybara-tests-always-returning-true/235909 "2013-07-23T19:25:11Z")
Hi guys, I am using a test setup with rspec (2.8.0) , capybara (2.0.2), selenium-webdriver (2.27.2), rails 3.0.20 and ruby 1.8.7 My problem is that every request test I have doing something like: page.should have\_con… --- ## [How to clear ActiveRecord query cache on associations with dynamic table](https://www.ruby-forum.com/t/how-to-clear-activerecord-query-cache-on-associations-with-dynamic-table/226708)
**Author:** [@javinto](https://www.ruby-forum.com/u/javinto)\ **Replies:** 7\ **Last updated:** [July 23, 2013, 6:58pm UTC](https://www.ruby-forum.com/t/how-to-clear-activerecord-query-cache-on-associations-with-dynamic-table/226708 "2013-07-23T18:58:43Z")
In part of my application I’m using dynamic tables. I’m aware of the single thread conditions. I’ve tackled some caveats yet - will post a blog about it soon - but there’s one I need help with. Consider 2 models tha… --- ## [Pg 0.16.0 Released](https://www.ruby-forum.com/t/pg-0-16-0-released/245868)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [July 23, 2013, 3:58pm UTC](https://www.ruby-forum.com/t/pg-0-16-0-released/245868 "2013-07-23T15:58:17Z")
pg version 0.16.0 has been released! https://bitbucket.org/ged/ruby-pg (home) https://github.com/ged/ruby-pg (mirror) http://deveiate.org/code/pg (docs) Pg is the Ruby interface to the {PostgreSQL RDBMS}\[http://ww… --- ## [How can we create instance method and class methods at runtime in ruby?](https://www.ruby-forum.com/t/how-can-we-create-instance-method-and-class-methods-at-runtime-in-ruby/245835)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 5\ **Last updated:** [July 23, 2013, 3:30pm UTC](https://www.ruby-forum.com/t/how-can-we-create-instance-method-and-class-methods-at-runtime-in-ruby/245835 "2013-07-23T15:30:14Z")
How can we create instance method and class methods at runtime in ruby? class Foo def test p “hi” end end foo = Foo.new foo.test # =\> “hi” class Foo def test p “hiyy” end end foo.test \>\> “hi” \>\> “hiyy” How … --- ## [Using qsub from Ruby script produces "command not found"](https://www.ruby-forum.com/t/using-qsub-from-ruby-script-produces-command-not-found/235895)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 6\ **Last updated:** [July 23, 2013, 3:25pm UTC](https://www.ruby-forum.com/t/using-qsub-from-ruby-script-produces-command-not-found/235895 "2013-07-23T15:25:34Z")
I am running a script that runs multiple cases on an engineering code. This engineering code is designed to use the a “qsub” (queueing system) command. The problem I get when trying to issue a “qsub run.sh” file (wher… --- ## [How to create first user for sign in using devise](https://www.ruby-forum.com/t/how-to-create-first-user-for-sign-in-using-devise/245847)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 8\ **Last updated:** [July 23, 2013, 3:22pm UTC](https://www.ruby-forum.com/t/how-to-create-first-user-for-sign-in-using-devise/245847 "2013-07-23T15:22:03Z")
Hi, I want to authentication for sign in and sign out, i add gem file and create a user model using devise in rails3, i want to create a user for first sign in and sign out, how can i create, any suggestion. [Previous page](https://www.ruby-forum.com/latest.md?page=574) [Next page](https://www.ruby-forum.com/latest.md?page=576)