# Latest **URL:** https://www.ruby-forum.com/latest.md?page=472 [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:** 473 --- ## [Playback](https://www.ruby-forum.com/t/playback/238239)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 6\ **Last updated:** [January 2, 2014, 2:44am UTC](https://www.ruby-forum.com/t/playback/238239 "2014-01-02T02:44:00Z")
Is there a way to slow the playback of a data file through an FFT Sink? If I recorded at 50M and I set my FFT rate to 25M, would that result in playback twice as long? Thanks. --- ## [Fwd: Re: GNURadio on Zync: thanks for the excellent tutorial](https://www.ruby-forum.com/t/fwd-re-gnuradio-on-zync-thanks-for-the-excellent-tutorial/238293)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [January 2, 2014, 12:05am UTC](https://www.ruby-forum.com/t/fwd-re-gnuradio-on-zync-thanks-for-the-excellent-tutorial/238293 "2014-01-02T00:05:08Z")
Scroll down for info on the commit Jonathon mentioned. I forgot to cc the list on the reply :slight\_smile: Philip -------- Original Message -------- Subject: Re: \[Discuss-gnuradio\] GNURadio on Zync: thanks for the e… --- ## [Searching for Rails coach](https://www.ruby-forum.com/t/searching-for-rails-coach/238292)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [January 1, 2014, 8:40pm UTC](https://www.ruby-forum.com/t/searching-for-rails-coach/238292 "2014-01-01T20:40:06Z")
I am a Junior Rails Developer. I am searching for someone to coach me over Skype on a project I am working on. We will be working with relatively simple tasks and sometimes with simple Javascript, jQuery, AJAX request… --- ## [Rails 4 routing issue](https://www.ruby-forum.com/t/rails-4-routing-issue/238233)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [January 1, 2014, 8:16pm UTC](https://www.ruby-forum.com/t/rails-4-routing-issue/238233 "2014-01-01T20:16:46Z")
I am migrating our application from 3.x to 4.0.2 and I have following problem : Rails 4 generates totally different routes in this case and it brakes some of our functionalities. Maybe I am not familiar with new wa… --- ## [Rails engines and models](https://www.ruby-forum.com/t/rails-engines-and-models/238275)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [January 1, 2014, 7:51pm UTC](https://www.ruby-forum.com/t/rails-engines-and-models/238275 "2014-01-01T19:51:39Z")
I have several rails applications that I want to combine into a single application using rails engines. Many of the models appear in multiple applications (now engines) and have some methods in common. I want to mak… --- ## [ANN: TKXXS, a very simple "GUI"](https://www.ruby-forum.com/t/ann-tkxxs-a-very-simple-gui/238289)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 7\ **Last updated:** [January 1, 2014, 6:54pm UTC](https://www.ruby-forum.com/t/ann-tkxxs-a-very-simple-gui/238289 "2014-01-01T18:54:26Z")
Happy new year! TKXXS provides a very simple and very easy to use GUI (graphical user interface) for Ruby. It gives you a persistent output window and popping up (modal) dialogs for input. For a screenshot, see: Tes… --- ## [Rewriteing awstats to base path](https://www.ruby-forum.com/t/rewriteing-awstats-to-base-path/238291)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [January 1, 2014, 5:44pm UTC](https://www.ruby-forum.com/t/rewriteing-awstats-to-base-path/238291 "2014-01-01T17:44:18Z")
Hi, I like to beautify my urls used for awstats. Currently I have to use the following path for awstats /cgi-bin/awstats.pl?config=www.example.com that works as expected. For easier handling for our users I like t… --- ## [Newbie quesion about building C++ blocks/SWIG/Python](https://www.ruby-forum.com/t/newbie-quesion-about-building-c-blocks-swig-python/238276)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [January 1, 2014, 3:39pm UTC](https://www.ruby-forum.com/t/newbie-quesion-about-building-c-blocks-swig-python/238276 "2014-01-01T15:39:19Z")
Discuss-gnuradio mailing list removed\_email\_address@domain.invalid https://lists.gnu.org/mailman/listinfo/discuss-gnuradio --- ## [Nested repeat operator & instance\_eval](https://www.ruby-forum.com/t/nested-repeat-operator-instance-eval/238284)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [January 1, 2014, 3:18pm UTC](https://www.ruby-forum.com/t/nested-repeat-operator-instance-eval/238284 "2014-01-01T15:18:52Z")
Hi, I get a strange behavior from instance\_eval when reporting warnings on regular expressions, both in 1.9.3p448 and 2.0.0p353. The file “test.rb” contains: $-w = 2 file = ‘foo.rb’ code = \<\<-RUBY x = /\]\]/ y = /\[… --- ## [Growth Chart - Rails Developer](https://www.ruby-forum.com/t/growth-chart-rails-developer/238288)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [January 1, 2014, 8:22am UTC](https://www.ruby-forum.com/t/growth-chart-rails-developer/238288 "2014-01-01T08:22:26Z")
Hi, I’m trying to build an exhaustive list of Rails concepts that one would learn over a period of time, to become a Rails ‘ninja’ . The list is on Githubhttps://github.com/murtuzakz/rails-developer-growth-chart/ I’… --- ## [Hiring a dev: nginx+interchange](https://www.ruby-forum.com/t/hiring-a-dev-nginx-interchange/238286)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [January 1, 2014, 7:19am UTC](https://www.ruby-forum.com/t/hiring-a-dev-nginx-interchange/238286 "2014-01-01T07:19:22Z")
Hello, I use a perl framework called interchange (icdevgroup.org) and I’ve been using a perl module called Interchange::Link to interface interchange to apache: I’d like to switch from apache to nginx and I need to … --- ## [Bugs in Examples](https://www.ruby-forum.com/t/bugs-in-examples/238235)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [January 1, 2014, 3:55am UTC](https://www.ruby-forum.com/t/bugs-in-examples/238235 "2014-01-01T03:55:21Z")
Yesterday, I installed vr via rubygems on my 64bit Linux Mint 13 (~Ubuntu 12.04) with ruby-2.0.0-p247 installed via rvm, and the calculator example and the child\_window example crash when I click on the buttons. As f… --- ## [Renaming in dynamic languages](https://www.ruby-forum.com/t/renaming-in-dynamic-languages/238287)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [January 1, 2014, 12:25am UTC](https://www.ruby-forum.com/t/renaming-in-dynamic-languages/238287 "2014-01-01T00:25:49Z")
Hi, I recently worked on a Java project, and the ease of renaming classes and variables (via IDE) really blew my mind. So, I wrote a somewhat-crude tool to make the experience of renaming things in Ruby a little bit … --- ## [Utils.rb break-down?](https://www.ruby-forum.com/t/utils-rb-break-down/238165)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [December 31, 2013, 12:21pm UTC](https://www.ruby-forum.com/t/utils-rb-break-down/238165 "2013-12-31T12:21:16Z")
Hi, I am still new in programming but have now started to get a big collection of common methods/functions in my utils.rb file. I think it has grown so big that I want to start breaking it down, is there any standard… --- ## [What Gives? If Rails is so good why is it so hard to install it?](https://www.ruby-forum.com/t/what-gives-if-rails-is-so-good-why-is-it-so-hard-to-install-it/238224)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 8\ **Last updated:** [December 31, 2013, 9:18am UTC](https://www.ruby-forum.com/t/what-gives-if-rails-is-so-good-why-is-it-so-hard-to-install-it/238224 "2013-12-31T09:18:14Z")
I have spent hours trying to get some version of Rails installed and all to no avail. It seems there are many people who get the same errors but nobody seems to have any answers. I am new to both Rails and Ubuntu. … --- ## [Installing jekyll-rst - don't understand instructions](https://www.ruby-forum.com/t/installing-jekyll-rst-dont-understand-instructions/238283)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 31, 2013, 8:35am UTC](https://www.ruby-forum.com/t/installing-jekyll-rst-dont-understand-instructions/238283 "2013-12-31T08:35:36Z")
I’m moving my static sites to Jekyll, and I want to use restructured text, so I’m trying to install the jekyl-rst addon. At GitHub - xdissent/jekyll-rst: A ReStructuredText plugin for Jekyll and Octopress, the instruct… --- ## [Undocumented SBX behavior](https://www.ruby-forum.com/t/undocumented-sbx-behavior/238281)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [December 31, 2013, 7:03am UTC](https://www.ruby-forum.com/t/undocumented-sbx-behavior/238281 "2013-12-31T07:03:55Z")
Dear Sir, I run this command with SBX daughterboard on N210: /usr/local/lib/uhd/examples/tx\_waveforms --freq 500e6 --wave-type SINE –wave-freq 5e3 --rate 10e6 What is performed at the SBX, does it multiply (Frequ… --- ## [Inspect, eval & security](https://www.ruby-forum.com/t/inspect-eval-security/238256)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [December 31, 2013, 5:12am UTC](https://www.ruby-forum.com/t/inspect-eval-security/238256 "2013-12-31T05:12:58Z")
Hi guys ! :slight\_smile: Just a quick question… Is this code safe to execute ? eval(string.inspect) Thank you very much, Sébastien --- ## [Solutions to programming problems at http://www.puzzlenode.com](https://www.ruby-forum.com/t/solutions-to-programming-problems-at-http-www-puzzlenode-com/238280)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 31, 2013, 4:53am UTC](https://www.ruby-forum.com/t/solutions-to-programming-problems-at-http-www-puzzlenode-com/238280 "2013-12-31T04:53:19Z")
hi there, Does anybody know where to find solutions to puzzles at: http://www.puzzlenode.com/ Maybe we can create our own solutions in ruby? Where could we post these solutions? txs adam --- ## [Easy Ruby encryption with RandomNonceBox](https://www.ruby-forum.com/t/easy-ruby-encryption-with-randomnoncebox/238279)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 31, 2013, 2:37am UTC](https://www.ruby-forum.com/t/easy-ruby-encryption-with-randomnoncebox/238279 "2013-12-31T02:37:34Z")
Hi RbNaClers and Rubyists alike! Some of you my have tried using RbNaCl and found it confusing. I’ve just written some documentation for RandomNonceBox, which is the main API I think most people should be using: Th… --- ## [Combining models](https://www.ruby-forum.com/t/combining-models/238273)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 8\ **Last updated:** [December 30, 2013, 11:46pm UTC](https://www.ruby-forum.com/t/combining-models/238273 "2013-12-30T23:46:06Z")
I am new to ruby on rails. I have 2 models, user and user\_profile. user has\_one user\_profile. User\_profile belongs\_to user. when creating user I want to create user\_profile, in one form get user and user\_profile and… --- ## [Timers 2.0.0: pure Ruby timer collections (now powered by hitimes)](https://www.ruby-forum.com/t/timers-2-0-0-pure-ruby-timer-collections-now-powered-by-hitimes/238277)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 30, 2013, 10:15pm UTC](https://www.ruby-forum.com/t/timers-2-0-0-pure-ruby-timer-collections-now-powered-by-hitimes/238277 "2013-12-30T22:15:34Z")
The ‘timers’ gem provides easy-to-use timer collections that can be used independently or inside of event loops: The timers gem is an extraction of Celluloid’s timers, as they can be generally used inside of any eve… --- ## [Bug: gr-qtgui: wrong design of variable-type blocks for GRC (category /GUI Widgets/QT)](https://www.ruby-forum.com/t/bug-gr-qtgui-wrong-design-of-variable-type-blocks-for-grc-category-gui-widgets-qt/238210)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [December 30, 2013, 5:28pm UTC](https://www.ruby-forum.com/t/bug-gr-qtgui-wrong-design-of-variable-type-blocks-for-grc-category-gui-widgets-qt/238210 "2013-12-30T17:28:47Z")
I faced with buggy behavior of ‘QT GUI Label’ in my GRC graph and surprisingly found that GRC generates code making prohibited accesses to qt gui objects from non-gui thread context. I’m not python guru, but I doubt … --- ## [No Route Matches](https://www.ruby-forum.com/t/no-route-matches/238264)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [December 30, 2013, 4:06pm UTC](https://www.ruby-forum.com/t/no-route-matches/238264 "2013-12-30T16:06:05Z")
I’m programming a web system for a rental of movies and put the resource for rent a movie, but the routes don’t maches and the rails gives me that message of error. My code and the error gived by rails are in pictures… --- ## [How arrays work](https://www.ruby-forum.com/t/how-arrays-work/238244)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 30, 2013, 3:51pm UTC](https://www.ruby-forum.com/t/how-arrays-work/238244 "2013-12-30T15:51:13Z")
I wrote this array under the interp\_ff\_impl::work(int noutput\_items, gr\_vector\_const\_void\_star &input\_items, gr\_vector\_void\_star &output\_items) int f\[m\]; I could not initialise by int f\[m\]={0}; block is also not w… --- ## [Chmod: operation not permitted](https://www.ruby-forum.com/t/chmod-operation-not-permitted/238261)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [December 30, 2013, 3:29pm UTC](https://www.ruby-forum.com/t/chmod-operation-not-permitted/238261 "2013-12-30T15:29:45Z")
hello, I am a sophomore at UWGS. I tried installing gnu radio software 3.7 from script, i.e by typing : $ sudo wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio It pri… --- ## [\[ANN\] Trinidad 1.4.6 serving](https://www.ruby-forum.com/t/ann-trinidad-1-4-6-serving/238274)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 30, 2013, 1:11pm UTC](https://www.ruby-forum.com/t/ann-trinidad-1-4-6-serving/238274 "2013-12-30T13:11:09Z")
Trinidad 1.4.6 has been released recently with a few notable - interesting fixes. We should start up a bit faster esp. since we do not initialize session ids (which are only needed with Java integration or when the … --- ## [Composite pattern and DSL design](https://www.ruby-forum.com/t/composite-pattern-and-dsl-design/238214)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 6\ **Last updated:** [December 30, 2013, 11:33am UTC](https://www.ruby-forum.com/t/composite-pattern-and-dsl-design/238214 "2013-12-30T11:33:47Z")
Hello, I am currently writing a little DSL for gui framework (Ruiby, for gtk). As my DSL become more and more complex, I have some design issue. For declaring a drawing area, with event handler, I use canvas(w,h,{ m… --- ## [IEEE 802.11 a](https://www.ruby-forum.com/t/ieee-802-11-a/238195)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 6\ **Last updated:** [December 30, 2013, 10:52am UTC](https://www.ruby-forum.com/t/ieee-802-11-a/238195 "2013-12-30T10:52:08Z")
I need to design IEEE802.11 a model in GNU radio platform. How should I start,\* I am a beginner \*of GNU radio. Anyone please tell me? --- ## [Nand D flipflop in gnuradio](https://www.ruby-forum.com/t/nand-d-flipflop-in-gnuradio/238263)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [December 30, 2013, 10:49am UTC](https://www.ruby-forum.com/t/nand-d-flipflop-in-gnuradio/238263 "2013-12-30T10:49:47Z")
Hi, Out of curiosity for implementing the digital circuits in gnuradio, I tried implementing nand D flipflop in gnuradio but stuck with it because\* gnuradio can’t support loops.\* I’m attaching grc file of what I tri… [Previous page](https://www.ruby-forum.com/latest.md?page=471) [Next page](https://www.ruby-forum.com/latest.md?page=473)