# Latest

**URL:** https://www.ruby-forum.com/latest.md?page=533

[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:** 534

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## [ANN: Regexador - A mini-language for regular expressions](https://www.ruby-forum.com/t/ann-regexador-a-mini-language-for-regular-expressions/236491)

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**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 12\
**Last updated:** [September 27, 2013, 1:25am UTC](https://www.ruby-forum.com/t/ann-regexador-a-mini-language-for-regular-expressions/236491 "2013-09-27T01:25:22Z")

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This is a new project, but is reasonably mature for its age. :wink: See GitHub - Hal9000/regexador: An external DSL for Ruby that tries to make regular expressions readable and maintainable. When a regular expression …

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## [Fetch the user albums and photos](https://www.ruby-forum.com/t/fetch-the-user-albums-and-photos/246328)

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**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 11:51pm UTC](https://www.ruby-forum.com/t/fetch-the-user-albums-and-photos/246328 "2013-09-26T23:51:41Z")

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Hi, I am using omni-auth for the user authentication and logged in the user via access token. But like facebook i want to fetch the user profile information and all the albums he/she uploaded and images belongs to th…

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## [JRuby and Wicket](https://www.ruby-forum.com/t/jruby-and-wicket/236701)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 7\
**Last updated:** [September 26, 2013, 10:41pm UTC](https://www.ruby-forum.com/t/jruby-and-wicket/236701 "2013-09-26T22:41:09Z")

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Hey guys, As a hobby project, I would like to figure out what it takes to get JRuby and Wicket to play together. It has been almost a decade since my Enterprise Java days, so I am not up to speed with all of the tool…

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## [Fedora19 + Nginx - Passenger module not compiled in?](https://www.ruby-forum.com/t/fedora19-nginx-passenger-module-not-compiled-in/246321)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 10:36pm UTC](https://www.ruby-forum.com/t/fedora19-nginx-passenger-module-not-compiled-in/246321 "2013-09-26T22:36:28Z")

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People, I am trying out nginx-1.4.2-1.fc19.x86\_64 and have installed: mod\_passenger-3.0.21-4.fc19.x86\_64 rubygem-passenger-3.0.21-4.fc19.x86\_64 rubygem-passenger-native-3.0.21-4.fc19.x86\_64 rubygem-passenger-native-…

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## [Rdoc fail encoding iso-8859-1](https://www.ruby-forum.com/t/rdoc-fail-encoding-iso-8859-1/236703)

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**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [September 26, 2013, 10:15pm UTC](https://www.ruby-forum.com/t/rdoc-fail-encoding-iso-8859-1/236703 "2013-09-26T22:15:54Z")

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Hi all, I’m quite new to ruby, so forgive me if this is a dumb question. I’m trying to generate RDoc documentation for my current project and I receive this error: #rdoc tesi/ --main tesi/INDEX.rdoc --op doc2http --…

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## [Is there an nginx queue that isn't logged via $response\_time](https://www.ruby-forum.com/t/is-there-an-nginx-queue-that-isnt-logged-via-response-time/246326)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 2\
**Last updated:** [September 26, 2013, 9:42pm UTC](https://www.ruby-forum.com/t/is-there-an-nginx-queue-that-isnt-logged-via-response-time/246326 "2013-09-26T21:42:07Z")

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We have a setup that looks like this: nginx-\>haproxy-\>app servers We are terminating SSL with nginx and it sits in front of everything. During our peak load times, we are experiencing about a 2x performance hit. Req…

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## [Questions on rx\_ofdm example in GR 3.7.1](https://www.ruby-forum.com/t/questions-on-rx-ofdm-example-in-gr-3-7-1/236521)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 2\
**Last updated:** [September 26, 2013, 7:23pm UTC](https://www.ruby-forum.com/t/questions-on-rx-ofdm-example-in-gr-3-7-1/236521 "2013-09-26T19:23:33Z")

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GR 3.7.1 gr-digital/examples/ofdm/rx\_ofdm.grc The OFDM Frame Equalizer block that is downstream from the Header Stream Virtual Source block has the Length Tag Key field set to length\_tag\_name, yet all other blocks …

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## [Troubleshooting Spree on jRuby](https://www.ruby-forum.com/t/troubleshooting-spree-on-jruby/236692)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 7\
**Last updated:** [September 26, 2013, 6:35pm UTC](https://www.ruby-forum.com/t/troubleshooting-spree-on-jruby/236692 "2013-09-26T18:35:00Z")

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I’ve been trying for a long time to get Spree http://spreecommerce.com/running on jRuby and we’ve landed a bunch of commits to get to the point where the app will boot. I’ve been running locally on my Mac with Spree …

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## [Re: Constellations in OOT projects](https://www.ruby-forum.com/t/re-constellations-in-oot-projects/236641)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 5\
**Last updated:** [September 26, 2013, 5:16pm UTC](https://www.ruby-forum.com/t/re-constellations-in-oot-projects/236641 "2013-09-26T17:16:03Z")

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On Fri, Sep 20, 2013 at 7:55 PM, Michael B. removed\_email\_address@domain.invalid wrote: attacking this task? Thank you very much, Michael B. Hi Michael, Please use a proper subject line in the future to help us s…

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## [Ruby Academy III](https://www.ruby-forum.com/t/ruby-academy-iii/246291)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 4:56pm UTC](https://www.ruby-forum.com/t/ruby-academy-iii/246291 "2013-09-26T16:56:11Z")

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Ciao ragazzi, siamo giunti alla terza edizione della Ruby Academy ( http://www.rubyacademy.com). So che gli iscritti a questa ml non sono proprio il target, ma se avete amici che san programmare, e vogliono imparare …

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## [Nginx-1.4.1 fails when adding nginx\_upload\_module-2.2.0](https://www.ruby-forum.com/t/nginx-1-4-1-fails-when-adding-nginx-upload-module-2-2-0/246324)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 2\
**Last updated:** [September 26, 2013, 4:53pm UTC](https://www.ruby-forum.com/t/nginx-1-4-1-fails-when-adding-nginx-upload-module-2-2-0/246324 "2013-09-26T16:53:15Z")

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I am attempting to configure ngixn-1.4.1 on a SLES box for a galaxy server deployment. I am able to get it to work fine as long as I do not try to –add-module=…/nginx\_upload\_module-2.2.0. When I add the upload\_modul…

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## [Enable QT multi threading in the qtgui template](https://www.ruby-forum.com/t/enable-qt-multi-threading-in-the-qtgui-template/246264)

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**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 5\
**Last updated:** [September 26, 2013, 4:08pm UTC](https://www.ruby-forum.com/t/enable-qt-multi-threading-in-the-qtgui-template/246264 "2013-09-26T16:08:15Z")

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Hi, In my quest to implement some OOT GUI widgets, I was hit by a number of crashes because I need to do rendering (which includes some X/xcb calls) from another thread than the main GUI thread. Now, under QT it’s do…

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## [Differentiate Client & browser http call](https://www.ruby-forum.com/t/differentiate-client-browser-http-call/246266)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 1\
**Last updated:** [September 26, 2013, 4:00pm UTC](https://www.ruby-forum.com/t/differentiate-client-browser-http-call/246266 "2013-09-26T16:00:32Z")

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Hello All, How can I differentiate the call between client ios app & browser call? session\_controller - create method is being used by both client & rails web application. I want to restrict for web application to u…

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## [Production quality Rails 4 chat demo?](https://www.ruby-forum.com/t/production-quality-rails-4-chat-demo/236702)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 3:52pm UTC](https://www.ruby-forum.com/t/production-quality-rails-4-chat-demo/236702 "2013-09-26T15:52:28Z")

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Hi Everyone, I’m trying to use Rails 4’s ActionController::Live functionality to do a chat-like interface in my app. I’ve found a number of blog posts, all of which seem to be based on Aaron P.'s original one here: h…

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## [Problem with gnuradio-runtime and gnuradio-pmt](https://www.ruby-forum.com/t/problem-with-gnuradio-runtime-and-gnuradio-pmt/246322)

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**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 2:52pm UTC](https://www.ruby-forum.com/t/problem-with-gnuradio-runtime-and-gnuradio-pmt/246322 "2013-09-26T14:52:17Z")

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I have a problem with running a C++ program by GNURadio library. In fact, I decided to write my first C++ program by GNURadio library, however, I’ve got some problems! The first problem is, I’ve installed GNURadio 3.6…

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## [Runtime Error](https://www.ruby-forum.com/t/runtime-error/236700)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 1\
**Last updated:** [September 26, 2013, 2:28pm UTC](https://www.ruby-forum.com/t/runtime-error/236700 "2013-09-26T14:28:54Z")

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I am using DVB-T dongle RTLSDR2832U with gnu radio, i have installed all the required files, but when i compile my flowgraph I get an error. Runtime Error:Failed to open rtlsdr device. What is the problem and its solu…

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## [Displaying phase and amplitude variation of filter / transformer?](https://www.ruby-forum.com/t/displaying-phase-and-amplitude-variation-of-filter-transformer/246312)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 1:11pm UTC](https://www.ruby-forum.com/t/displaying-phase-and-amplitude-variation-of-filter-transformer/246312 "2013-09-26T13:11:46Z")

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Hi, Are there any grc flowgraphs out in the wild that visualize the phase and amplitude variation of a given system like some LC filter or transformer, when you tweak with it? My idea is to output a sinoidal signal …

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## [Iterating over hashes to create instance variables](https://www.ruby-forum.com/t/iterating-over-hashes-to-create-instance-variables/236690)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 5\
**Last updated:** [September 26, 2013, 12:12pm UTC](https://www.ruby-forum.com/t/iterating-over-hashes-to-create-instance-variables/236690 "2013-09-26T12:12:45Z")

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I’m working on a dice rolling program. Right now I’m storing user’s choices in a hash labeled ‘dice\_hash’. A user who has completed their choices has effectively created a hash that looks like the following: dice\_hash…

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## [Visual Ruby install error](https://www.ruby-forum.com/t/visual-ruby-install-error/246267)

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**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 7\
**Last updated:** [September 26, 2013, 7:03am UTC](https://www.ruby-forum.com/t/visual-ruby-install-error/246267 "2013-09-26T07:03:35Z")

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I have been trying to install visual ruby for a few days, i reinstalled everything and my system looks ok but i still get errors and i really want to use visual ruby. I have attached the output from the errors. I have…

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## [GnuRadio as Antenna Analyzer and SWR meter](https://www.ruby-forum.com/t/gnuradio-as-antenna-analyzer-and-swr-meter/246310)

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**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 5:37am UTC](https://www.ruby-forum.com/t/gnuradio-as-antenna-analyzer-and-swr-meter/246310 "2013-09-26T05:37:42Z")

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This may be outside of the scope of what GnuRadio is trying to accomplish and complementary hardware would need to exist, but it would be great if GnuRadio had modules to build a software defined antenna analyzer for …

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## [Pluggability 0.3.0 Released](https://www.ruby-forum.com/t/pluggability-0-3-0-released/236694)

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**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 2:43am UTC](https://www.ruby-forum.com/t/pluggability-0-3-0-released/236694 "2013-09-26T02:43:30Z")

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pluggability version 0.3.0 has been released! https://bitbucket.org/ged/pluggability (project) http://deveiate.org/code/pluggability (docs) http://github.com/ged/pluggability (github) Pluggability is a mixin module…

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## [Request body and client\_body\_buffer\_size](https://www.ruby-forum.com/t/request-body-and-client-body-buffer-size/246229)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 5\
**Last updated:** [September 26, 2013, 2:42am UTC](https://www.ruby-forum.com/t/request-body-and-client-body-buffer-size/246229 "2013-09-26T02:42:55Z")

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Is it correct that when $content\_length \> client\_body\_buffer\_size, then $request\_body == “” ? If so this would be worth documenting at request\_body. I am using: proxy\_cache\_methods POST; proxy\_cache\_key "$request\_met…

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## [GNU Radio Support for Matchstiq](https://www.ruby-forum.com/t/gnu-radio-support-for-matchstiq/236695)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 0\
**Last updated:** [September 26, 2013, 12:35am UTC](https://www.ruby-forum.com/t/gnu-radio-support-for-matchstiq/236695 "2013-09-26T00:35:29Z")

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GNU Radio support for Epiq Solutions’ Matchstiq SDR platform is now publicly available. This includes support for both the Matchstiq 001 (TI DM3730 ARM + Xilinx Spartan 6 LX45 FPGA), as well as the Matchstiq Z01 (Xil…

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## [Python-based sink block causes graph freeze under certain conditions](https://www.ruby-forum.com/t/python-based-sink-block-causes-graph-freeze-under-certain-conditions/246278)

<div class="topic-metadata">

**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\
**Replies:** 1\
**Last updated:** [September 25, 2013, 11:23pm UTC](https://www.ruby-forum.com/t/python-based-sink-block-causes-graph-freeze-under-certain-conditions/246278 "2013-09-25T23:23:33Z")

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I created a Python-based sink block that works well in most cases. I started having problems when I created a GUI checkbox (using GRC) to control a Selector or Valve block in a separate subgraph. As soon as I change t…

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## [Nested attributes requires an array and throws a TypeError if passed a hash](https://www.ruby-forum.com/t/nested-attributes-requires-an-array-and-throws-a-typeerror-if-passed-a-hash/236517)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 3\
**Last updated:** [September 25, 2013, 9:44pm UTC](https://www.ruby-forum.com/t/nested-attributes-requires-an-array-and-throws-a-typeerror-if-passed-a-hash/236517 "2013-09-25T21:44:46Z")

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Below is an example of the error I encountered in my project today and after a great deal of searching I realized the problem to be that the \* \_attributes needs to be an array! My first question is, is there a use fo…

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## [About setting the GRC block properties](https://www.ruby-forum.com/t/about-setting-the-grc-block-properties/246261)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 6\
**Last updated:** [September 25, 2013, 8:40pm UTC](https://www.ruby-forum.com/t/about-setting-the-grc-block-properties/246261 "2013-09-25T20:40:28Z")

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Hello, According to the website, http://gnuradio.org/doc/doxygen/page\_ofdm.html I would like to realize the transmit part. However, when I tried to execute it, there is error on " ofdm\_carrier\_allocatorhttp://gnuradi…

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## [Nginx + munin + CGI](https://www.ruby-forum.com/t/nginx-munin-cgi/236693)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 0\
**Last updated:** [September 25, 2013, 8:17pm UTC](https://www.ruby-forum.com/t/nginx-munin-cgi/236693 "2013-09-25T20:17:39Z")

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There is a special set of configuration parameters for apache which allow it to work with munin in CGI mode. Has anyone tried getting it to work with nginx? Grant

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## [Visual Ruby Gem](https://www.ruby-forum.com/t/visual-ruby-gem/236691)

<div class="topic-metadata">

**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\
**Replies:** 0\
**Last updated:** [September 25, 2013, 7:39pm UTC](https://www.ruby-forum.com/t/visual-ruby-gem/236691 "2013-09-25T19:39:18Z")

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I am looking at prototyping a small in-house application which meant to replace an old FoxBase networked application. Although we usually employ RoR that seems a bit of overkill in this case. I ran across Visual Ruby…

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## [Addding enums to custom processing blocks](https://www.ruby-forum.com/t/addding-enums-to-custom-processing-blocks/236674)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [September 25, 2013, 7:03pm UTC](https://www.ruby-forum.com/t/addding-enums-to-custom-processing-blocks/236674 "2013-09-25T19:03:24Z")

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Hi, What’s the process by which enums are added to the Python namespace via SWIG in gnuradio? I mean in gr\_firdes, the following are added to the gr.firdes namespace in Python: enum win\_type { WIN\_HAMMING = 0, //…

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## [Tb.start(), tb.wait() or tb.stop() dows not work help](https://www.ruby-forum.com/t/tb-start-tb-wait-or-tb-stop-dows-not-work-help/236665)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 1\
**Last updated:** [September 25, 2013, 6:58pm UTC](https://www.ruby-forum.com/t/tb-start-tb-wait-or-tb-stop-dows-not-work-help/236665 "2013-09-25T18:58:44Z")

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I am new to GNURADIO environment. I want the flow graph that i am working with to turn ON and OFF with 5 sec of interval. I tried tb.start(), tb.wait(), tb.stop() and sleep(5). But that is not working. whenever I …

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