# Latest **URL:** https://www.ruby-forum.com/latest.md?page=571 [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:** 572 --- ## ["WARN: Unresolved specs during Gem::Specification.reset"](https://www.ruby-forum.com/t/warn-unresolved-specs-during-gem-specification-reset/245928)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 29, 2013, 6:52pm UTC](https://www.ruby-forum.com/t/warn-unresolved-specs-during-gem-specification-reset/245928 "2013-07-29T18:52:07Z")
I am getting this error from a nearly-clean gem I’m starting to write: WARN: Unresolved specs during Gem::Specification.reset: minitest (~\> 4.2) WARN: Clearing out unresolved specs. Please report a bug if this causes… --- ## [Pybombs building 3.6.5.1 - swapping and out of virtual memory](https://www.ruby-forum.com/t/pybombs-building-3-6-5-1-swapping-and-out-of-virtual-memory/235999)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 4\ **Last updated:** [July 29, 2013, 6:48pm UTC](https://www.ruby-forum.com/t/pybombs-building-3-6-5-1-swapping-and-out-of-virtual-memory/235999 "2013-07-29T18:48:01Z")
Not sure if this is a Pybombs or Gnuradio build issue: When building version 3.6.5.1 via pybombs the system starts swapping after about 70% of the build have completed and even sometimes bails out with “out of virtual… --- ## [Help: QAM Constellation and PolyPhase Clock](https://www.ruby-forum.com/t/help-qam-constellation-and-polyphase-clock/235998)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 6:39pm UTC](https://www.ruby-forum.com/t/help-qam-constellation-and-polyphase-clock/235998 "2013-07-29T18:39:50Z")
I have simple 16QAM Modulator block and am plotting the constellation with and without the a polyphase clock block . The constellation directly out of the modulator is not 16 “points” or even blobs but “random” lookin… --- ## [How to use multiple models in view template form in rails](https://www.ruby-forum.com/t/how-to-use-multiple-models-in-view-template-form-in-rails/235989)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 6:24pm UTC](https://www.ruby-forum.com/t/how-to-use-multiple-models-in-view-template-form-in-rails/235989 "2013-07-29T18:24:39Z")
I am new to rails, And stuck in this problem from last two days I have a student and student\_parent model they have a one-to-many relationship i want to build database attribute through one object from form to datase.… --- ## [E-mail from rails 2.3.10 and ruby 1.8.7](https://www.ruby-forum.com/t/e-mail-from-rails-2-3-10-and-ruby-1-8-7/235994)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [July 29, 2013, 6:12pm UTC](https://www.ruby-forum.com/t/e-mail-from-rails-2-3-10-and-ruby-1-8-7/235994 "2013-07-29T18:12:57Z")
Hi people, im trying to send e-mails using rails 2.3.10 and ruby 1.8.7 I have googled a lot but the best result i got was a code that not sent the e-mail and not dropped any error. Some one knows or has an example of … --- ## [WX GUI Scope frozen and error-msg gr\_vmcircbuf\_default\_factory: Invalid argument](https://www.ruby-forum.com/t/wx-gui-scope-frozen-and-error-msg-gr-vmcircbuf-default-factory-invalid-argument/235957)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 3\ **Last updated:** [July 29, 2013, 5:59pm UTC](https://www.ruby-forum.com/t/wx-gui-scope-frozen-and-error-msg-gr-vmcircbuf-default-factory-invalid-argument/235957 "2013-07-29T17:59:31Z")
Dear gnuradio-enthousiasts: I get the folowing error-message from gnuradio when I use the WX GUI Scope from the WX Gui Widgets: ?X?\\lonneke\\AppData\\Roaming.gnuradio\\prefs\\gr\_vmcircbuf\_default\_factoryC:\\Program Files … --- ## [Pass name and values in link\_tag](https://www.ruby-forum.com/t/pass-name-and-values-in-link-tag/235995)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 5:56pm UTC](https://www.ruby-forum.com/t/pass-name-and-values-in-link-tag/235995 "2013-07-29T17:56:00Z")
hi i passed name and value in link\_to but its not taking? \<%if params\[:deals\]\[:company\_name\] !=nil && params\[:deals\]\[:company\_name\] == “dsec” %\> \<%= link\_to “Company Name d”,“javascript:void(0)”,:class=\>“get\_page d… --- ## [Question about symbol synchronization for BPSK demodulation](https://www.ruby-forum.com/t/question-about-symbol-synchronization-for-bpsk-demodulation/235982)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 5:50pm UTC](https://www.ruby-forum.com/t/question-about-symbol-synchronization-for-bpsk-demodulation/235982 "2013-07-29T17:50:10Z")
Hi guys, I’m learning BPSK demodulation recently. I have learned how to do the carrier synchronization in the file of digital\_costas\_loop\_cc.c. so my question is which classes do the symbol synchronization in the g… --- ## [Is it possible to run Ruby and Rails off of local folder without installing them first on Mac OS X?](https://www.ruby-forum.com/t/is-it-possible-to-run-ruby-and-rails-off-of-local-folder-without-installing-them-first-on-mac-os-x/245920)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 5:44pm UTC](https://www.ruby-forum.com/t/is-it-possible-to-run-ruby-and-rails-off-of-local-folder-without-installing-them-first-on-mac-os-x/245920 "2013-07-29T17:44:54Z")
Is it possible to run Ruby and Rails on Mac OS X off of a local folder (without local or system install using RVM, Homebrew, etc.) Similar to the way one can copy/paste Java installation directory and just run off of… --- ## [Morse Code (#121)](https://www.ruby-forum.com/t/morse-code-121/92537)
**Author:** [@bbazzarrakk](https://www.ruby-forum.com/u/bbazzarrakk)\ **Replies:** 31\ **Last updated:** [July 29, 2013, 5:44pm UTC](https://www.ruby-forum.com/t/morse-code-121/92537 "2013-07-29T17:44:24Z")
The three rules of Ruby Q.: Please do not post any solutions or spoiler discussion for this quiz until 48 hours have passed from the time on this message. Support Ruby Q. by submitting ideas as often as you can: … --- ## [PyBOMBS: First impressions and optional dependencies](https://www.ruby-forum.com/t/pybombs-first-impressions-and-optional-dependencies/235944)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 6\ **Last updated:** [July 29, 2013, 5:40pm UTC](https://www.ruby-forum.com/t/pybombs-first-impressions-and-optional-dependencies/235944 "2013-07-29T17:40:48Z")
Greetings, Yesterday, I started playing with pybombs and fixed a few recipes related to gr-osmosdr. During this process I made gr-osmosdr depend on uhd, rtl-sdr, osmo-sdr, hackrf and gr-iqbal. I did this to ensure tha… --- ## [WIR.DE searches a Ruby on Rails developer with passion - Berlin](https://www.ruby-forum.com/t/wir-de-searches-a-ruby-on-rails-developer-with-passion-berlin/235997)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [July 29, 2013, 5:39pm UTC](https://www.ruby-forum.com/t/wir-de-searches-a-ruby-on-rails-developer-with-passion-berlin/235997 "2013-07-29T17:39:37Z")
WIR.DE is a portal that supports sharing and helping among neighbours. The beta-release is live and currently localy tested. For the next phase, we search a developer/ technical project leader (m/f) that helps us to b… --- ## [Where does gnuradio-companion stores the last opened flowchart?](https://www.ruby-forum.com/t/where-does-gnuradio-companion-stores-the-last-opened-flowchart/235991)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [July 29, 2013, 4:59pm UTC](https://www.ruby-forum.com/t/where-does-gnuradio-companion-stores-the-last-opened-flowchart/235991 "2013-07-29T16:59:49Z")
I notice that gnuradio-companion always opens the last used flowchart. Can anyone tell me where this information is stored? I am using several (3.6 and 3.7) GR builds in parallel and they all try to open the same flow… --- ## [Reading complex numbers from file dump](https://www.ruby-forum.com/t/reading-complex-numbers-from-file-dump/235990)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 29, 2013, 4:56pm UTC](https://www.ruby-forum.com/t/reading-complex-numbers-from-file-dump/235990 "2013-07-29T16:56:53Z")
Hi, I have created a file dump with samples from USRP output. Samples are in gr\_complex format. Now I want to read data from the file to compute FFT. How can I read complex numbers in python from this binary file? --- ## [How to make Apache start Puma automaticaly on a Rails app](https://www.ruby-forum.com/t/how-to-make-apache-start-puma-automaticaly-on-a-rails-app/235984)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 4\ **Last updated:** [July 29, 2013, 4:07pm UTC](https://www.ruby-forum.com/t/how-to-make-apache-start-puma-automaticaly-on-a-rails-app/235984 "2013-07-29T16:07:11Z")
Is there a way to get an Apache vhost to start Puma automatically on a Rails app? I’m installing Apache and Puma on a linux ubuntu 12.04 box, first I tried it with Passenger but it seemed quite slow compared to Puma. … --- ## [Multi-page blog posts](https://www.ruby-forum.com/t/multi-page-blog-posts/235988)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [July 29, 2013, 2:40pm UTC](https://www.ruby-forum.com/t/multi-page-blog-posts/235988 "2013-07-29T14:40:44Z")
Hi, everyone! It has been a while since I posted here, given that I get to find most of my answers on google. However, there is one particular coding practice I am after, for which I have thought of a solution, as wel… --- ## [Fwd: Can open BTS run on RasPi?](https://www.ruby-forum.com/t/fwd-can-open-bts-run-on-raspi/235993)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [July 29, 2013, 2:31pm UTC](https://www.ruby-forum.com/t/fwd-can-open-bts-run-on-raspi/235993 "2013-07-29T14:31:57Z")
Hi, I just watched a video on this link: They say they have ported OpenBTS and GR to RasPi and they could make phone calls between 2 mobile phones. Is that even possible? Is RasPi strong enough for han… --- ## [Can't install calabash with gem](https://www.ruby-forum.com/t/cant-install-calabash-with-gem/235992)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [July 29, 2013, 1:44pm UTC](https://www.ruby-forum.com/t/cant-install-calabash-with-gem/235992 "2013-07-29T13:44:59Z")
Hi, When I check the version of gem, I get C:\>gem --version 2.0.3 When I try to install Calabash, I get a LoadError C:\>gem install calabash-android ERROR: Loading command: install (LoadError) cannot load such fil… --- ## [Re: USRP1 failing to power on](https://www.ruby-forum.com/t/re-usrp1-failing-to-power-on/245916)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 29, 2013, 9:17am UTC](https://www.ruby-forum.com/t/re-usrp1-failing-to-power-on/245916 "2013-07-29T09:17:39Z")
Ive got two usrp1 kits which were working fine but suddenly both of them are not powering on. --- ## [USRP1 failing to load firmware](https://www.ruby-forum.com/t/usrp1-failing-to-load-firmware/179421)
**Author:** [@stedwick](https://www.ruby-forum.com/u/stedwick)\ **Replies:** 7\ **Last updated:** [July 29, 2013, 9:15am UTC](https://www.ruby-forum.com/t/usrp1-failing-to-load-firmware/179421 "2013-07-29T09:15:53Z")
I running the latest gnuradio from git and see these messages when I run: usrper load\_standard\_bit \[balister@moose gnuradio\]$ usrper load\_standard\_bits usrper: found unconfigured usrp; needs firmware. usb\_control\_ms… --- ## [Block availability](https://www.ruby-forum.com/t/block-availability/235923)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 2\ **Last updated:** [July 29, 2013, 6:05am UTC](https://www.ruby-forum.com/t/block-availability/235923 "2013-07-29T06:05:24Z")
Hi I have all the blocks in the pre-cog library in my gnuradio installation directories but I don’t see pre-cog packet framer and packet de-framer in my grc blocks. Is there a way in which I can some how manually ad… --- ## [Love U Ruby](https://www.ruby-forum.com/t/love-u-ruby/245909)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 5\ **Last updated:** [July 28, 2013, 11:42pm UTC](https://www.ruby-forum.com/t/love-u-ruby/245909 "2013-07-28T23:42:11Z")
On Sat, Jul 27, 2013 at 5:13 PM, Ryan D. removed\_email\_address@domain.invalid wrote in reply to Love U Ruby: I really wish you’d stop abusing this list and learn how to learn on your own. I don’t follow or participat… --- ## [How to display the selected values from the drop down list menu in rails?](https://www.ruby-forum.com/t/how-to-display-the-selected-values-from-the-drop-down-list-menu-in-rails/235987)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [July 28, 2013, 11:18pm UTC](https://www.ruby-forum.com/t/how-to-display-the-selected-values-from-the-drop-down-list-menu-in-rails/235987 "2013-07-28T23:18:14Z")
Dear Guys, I have created the drop down list for state and city. Now when the user selects the state say florida and city say miami, I want to display these names on the new page when the user clicks the search link.… --- ## [HABTM Checkboxes](https://www.ruby-forum.com/t/habtm-checkboxes/245912)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [July 28, 2013, 9:20pm UTC](https://www.ruby-forum.com/t/habtm-checkboxes/245912 "2013-07-28T21:20:50Z")
I have a Course model which habtm categories. I am trying to have checkboxes to add or delete categories from the new and update courses pages. Models: course.rb == Schema Information Table name: courses id … --- ## [\[ANN\] cf3 a context free art library for ruby-processing](https://www.ruby-forum.com/t/ann-cf3-a-context-free-art-library-for-ruby-processing/245879)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 28, 2013, 5:30pm UTC](https://www.ruby-forum.com/t/ann-cf3-a-context-free-art-library-for-ruby-processing/245879 "2013-07-28T17:30:58Z")
I have just published the first release of my cf3 library as a gem at rubygems. Read more at github GitHub - monkstone/cf3ruby: A ruby context free art DSL for use with ruby-processing. Features a ruby DSL, that allows… --- ## [ASRP-full-duplex-mimo-sdr-design-files-GERBER-PCB-LAYOUT- BILL OF MATERIALS-SCHEMATICS released](https://www.ruby-forum.com/t/asrp-full-duplex-mimo-sdr-design-files-gerber-pcb-layout-bill-of-materials-schematics-released/235985)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [July 28, 2013, 3:29pm UTC](https://www.ruby-forum.com/t/asrp-full-duplex-mimo-sdr-design-files-gerber-pcb-layout-bill-of-materials-schematics-released/235985 "2013-07-28T15:29:47Z")
Hello Everyone, With great pride, we say to world that for better research on SDR,we have decided to release all the SCHEMATICS, \*GERBER \*files, \*PCB \*files. With these files, any one with decent knowledge in hardwar… --- ## [ASRP-full-duplex-mimo-sdr-design-files-GERBER-PCB-LAYOUT- BILL OF MATERIALS-SCHEMATICS released](https://www.ruby-forum.com/t/asrp-full-duplex-mimo-sdr-design-files-gerber-pcb-layout-bill-of-materials-schematics-released/245886)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [July 28, 2013, 3:29pm UTC](https://www.ruby-forum.com/t/asrp-full-duplex-mimo-sdr-design-files-gerber-pcb-layout-bill-of-materials-schematics-released/245886 "2013-07-28T15:29:46Z")
Hello Everyone, With great pride, we say to world that for better research on SDR,we have decided to release all the SCHEMATICS, \*GERBER \*files, \*PCB \*files. With these files, any one with decent knowledge in hardwar… --- ## [Block bot on uri with query\_string](https://www.ruby-forum.com/t/block-bot-on-uri-with-query-string/245872)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [July 28, 2013, 2:51pm UTC](https://www.ruby-forum.com/t/block-bot-on-uri-with-query-string/245872 "2013-07-28T14:51:13Z")
Hi All, Been trying to block bots from accessing a URI that has a query\_string “action=get\_it”, i tried below location ~\* \\?(action=get\_it)$ { if ( $http\_user\_agent ~ (crawl|Googlebot|Slurp|spider|bi… --- ## [Partial js file with locals](https://www.ruby-forum.com/t/partial-js-file-with-locals/245901)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 7\ **Last updated:** [July 28, 2013, 12:57pm UTC](https://www.ruby-forum.com/t/partial-js-file-with-locals/245901 "2013-07-28T12:57:52Z")
I have a lot of js files like new.js, index.js, create.js etc that handles my Ajax calls and other jquery code As the have many common code snippets I have tried to use partial js files For example I have a new.js f… --- ## [How to raise the packet error rate in benchmark](https://www.ruby-forum.com/t/how-to-raise-the-packet-error-rate-in-benchmark/235905)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 5\ **Last updated:** [July 28, 2013, 3:37am UTC](https://www.ruby-forum.com/t/how-to-raise-the-packet-error-rate-in-benchmark/235905 "2013-07-28T03:37:40Z")
Hi everyone, I’m doing a project on joint decode. But my problem is that in the lab environment, the benchmark transmission is always good, there are hardly any packet loss, so I can not show the advantage of joint d… [Previous page](https://www.ruby-forum.com/latest.md?page=570) [Next page](https://www.ruby-forum.com/latest.md?page=572)