# Latest **URL:** https://www.ruby-forum.com/latest.md?page=532 [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:** 533 --- ## [Only recompile particular module when developing](https://www.ruby-forum.com/t/only-recompile-particular-module-when-developing/246301)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [September 28, 2013, 3:49am UTC](https://www.ruby-forum.com/t/only-recompile-particular-module-when-developing/246301 "2013-09-28T03:49:04Z")
Hello I’m currently developing a new module and it’s frustrating having to recompile every module each time. How can I skip all modules but my new one and then link the pre-existing object files? Does anyone have an… --- ## [Gtk::Tooltip - delay?](https://www.ruby-forum.com/t/gtk-tooltip-delay/236510)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 3\ **Last updated:** [September 28, 2013, 2:37am UTC](https://www.ruby-forum.com/t/gtk-tooltip-delay/236510 "2013-09-28T02:37:12Z")
Hi, I like Tooltips but they are displayed almost instantly. I want to set a custom delay, like “wait 3 seconds before displaying a tooltip”, where the number 3 can be toggled by me or the user eventually. Any idea … --- ## [Notaion: Hash\[\*array\_variable.flatten\]](https://www.ruby-forum.com/t/notaion-hash-array-variable-flatten/236722)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 9:58pm UTC](https://www.ruby-forum.com/t/notaion-hash-array-variable-flatten/236722 "2013-09-27T21:58:58Z")
Can someone explain what the “\*” operator inside the hash is doing here or what that notation is referred to in this context ? thanks irb(main):006:0\* mail\_config =\> {“server\_setings”=\>{“address”=\>“smpt-int.ex1.com”,… --- ## [Passive radar using my hacked dual coherent channel rtl\_sdr dongle](https://www.ruby-forum.com/t/passive-radar-using-my-hacked-dual-coherent-channel-rtl-sdr-dongle/236696)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 5\ **Last updated:** [September 27, 2013, 9:50pm UTC](https://www.ruby-forum.com/t/passive-radar-using-my-hacked-dual-coherent-channel-rtl-sdr-dongle/236696 "2013-09-27T21:50:12Z")
I hooked up my dual coherent channel rtl\_sdr dongle into two of our passive radar antennas that we have here (log-periodic antennas pointing North and South). After fine tuning gains and signal levels, I acquired som… --- ## [Rails Misconfigured - Missing Welcome Page](https://www.ruby-forum.com/t/rails-misconfigured-missing-welcome-page/246307)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 4\ **Last updated:** [September 27, 2013, 7:36pm UTC](https://www.ruby-forum.com/t/rails-misconfigured-missing-welcome-page/246307 "2013-09-27T19:36:59Z")
I’m using DigitalOcean as my hosting provider as I have some simple sites there. I thought I’d try to setup rails on a domain there to see what I could accomplish. OS: Ubuntu 12.04 x32 Rails: 4.0.0 Rub… --- ## [My base.extend does not extend the base](https://www.ruby-forum.com/t/my-base-extend-does-not-extend-the-base/236715)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [September 27, 2013, 7:18pm UTC](https://www.ruby-forum.com/t/my-base-extend-does-not-extend-the-base/236715 "2013-09-27T19:18:16Z")
I want to try out extending a class as explained in Include vs Extend in Ruby // RailsTips by John Nunemaker (see the section “A Common Idiom”). Note that I’m NOT talking about Rails. I just want to understand this fe… --- ## [Career opportunity for a Senior Front-End Engineer](https://www.ruby-forum.com/t/career-opportunity-for-a-senior-front-end-engineer/246295)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 6:18pm UTC](https://www.ruby-forum.com/t/career-opportunity-for-a-senior-front-end-engineer/246295 "2013-09-27T18:18:05Z")
ARCTOS Consulting is a company of Recruitment, Training and Consultancy in personnel. We are a highly specialized company not only with great human resources expertise developed over the last thirty years, but also em… --- ## [How to make proxy revalidate resource at origin](https://www.ruby-forum.com/t/how-to-make-proxy-revalidate-resource-at-origin/236718)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 3\ **Last updated:** [September 27, 2013, 6:05pm UTC](https://www.ruby-forum.com/t/how-to-make-proxy-revalidate-resource-at-origin/236718 "2013-09-27T18:05:13Z")
Hi, I posted this on stackoverflow already but I thought I might have more luck here :slight\_smile: In short, I can’t find a way to make nginx revalidate a cached resource with the origin. Whenever nginx is in fro… --- ## [Symbol-create DTrace probe](https://www.ruby-forum.com/t/symbol-create-dtrace-probe/236720)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 5:22pm UTC](https://www.ruby-forum.com/t/symbol-create-dtrace-probe/236720 "2013-09-27T17:22:40Z")
Hello all, https://bugs.ruby-lang.org/projects/ruby/wiki/DTraceProbes lists ruby:::symbol-create as a MRI DTrace probe declared in probes.d. But I can’t get it fired. Is it really exist in MRI. I’m using ruby 2.0.0p24… --- ## [Need help on Tmie#utc\_offset](https://www.ruby-forum.com/t/need-help-on-tmie-utc-offset/246294)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 2\ **Last updated:** [September 27, 2013, 5:04pm UTC](https://www.ruby-forum.com/t/need-help-on-tmie-utc-offset/246294 "2013-09-27T17:04:59Z")
Hi, I was reading this method Class: Time (Ruby 2.0.0) and trying to understand,but seems not working for me. Follow the code: irb(main):001:0\> require ‘time’ =\> true irb(main):002:0\> irb(main):003:0\* t1 = Time.n… --- ## [Building USRP2 FPGA code using recent Xilinx tool](https://www.ruby-forum.com/t/building-usrp2-fpga-code-using-recent-xilinx-tool/236717)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 5:04pm UTC](https://www.ruby-forum.com/t/building-usrp2-fpga-code-using-recent-xilinx-tool/236717 "2013-09-27T17:04:05Z")
Hi all, Our lab has many USRP2s and try to modify the FPGA code enabling CSMA/CA on the board. We learn that the UHD FPGA code can be compiled with Xilinx ISE 12.x. What about the most recent version of Xilinx tool, … --- ## [PCB Log Periodic Antenna connection](https://www.ruby-forum.com/t/pcb-log-periodic-antenna-connection/236716)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 4:57pm UTC](https://www.ruby-forum.com/t/pcb-log-periodic-antenna-connection/236716 "2013-09-27T16:57:24Z")
Hi all, I have an WA5VJB PCB Log Periodic Antenna including a SMA-F to SMA-M cable. I am using a N210 USRP and the SBX daughterboard. I have a second SMA-M/SMA-M cable. How can I connect the Antenna to the Daughterbo… --- ## [Noise/random sources](https://www.ruby-forum.com/t/noise-random-sources/246287)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 3:54pm UTC](https://www.ruby-forum.com/t/noise-random-sources/246287 "2013-09-27T15:54:14Z")
Forgot to cc the list. ---------- Forwarded message ---------- From: “Jared C.” removed\_email\_address@domain.invalid Date: Sep 26, 2013 7:27 PM Subject: Re: \[Discuss-gnuradio\] Noise/random sources To: “Marcus D. Lee… --- ## [GNU Radio LiveDVD Updated](https://www.ruby-forum.com/t/gnu-radio-livedvd-updated/246317)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 3:47pm UTC](https://www.ruby-forum.com/t/gnu-radio-livedvd-updated/246317 "2013-09-27T15:47:13Z")
The GNU Radio LiveDVD has been updated: http://gnuradio.org/releases/gnuradio/iso/ubuntu-12.04.3-desktop-amd64-gnuradio-2013-0926.torrent Based on the Ubuntu 12.04.3 LTS 64-bit operating system, the GNU Radio LiveDVD … --- ## [Compile gr\_baz on OS X](https://www.ruby-forum.com/t/compile-gr-baz-on-os-x/236714)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 3:43pm UTC](https://www.ruby-forum.com/t/compile-gr-baz-on-os-x/236714 "2013-09-27T15:43:08Z")
Hi! I have a shiny new USRP B200, for which I’ve successfully managed to get working with gnuradio on a Mac by wrangling with homebrew and such. What I haven’t been able to do, is make use of gr\_baz borIP - which I t… --- ## [Find total months passed between two ActiveSupport::TimeWithZone objects](https://www.ruby-forum.com/t/find-total-months-passed-between-two-activesupport-timewithzone-objects/236707)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 3:38pm UTC](https://www.ruby-forum.com/t/find-total-months-passed-between-two-activesupport-timewithzone-objects/236707 "2013-09-27T15:38:27Z")
unit.created\_at.class =\> ActiveSupport::TimeWithZone Time.zone.now.class =\> ActiveSupport::TimeWithZone Time.zone.now - unit.created\_at =\> 47709736.32316899 I think that’s the number of seconds that have passed bet… --- ## [49MHz Rtl\_sdr receiver](https://www.ruby-forum.com/t/49mhz-rtl-sdr-receiver/246313)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [September 27, 2013, 2:04pm UTC](https://www.ruby-forum.com/t/49mhz-rtl-sdr-receiver/246313 "2013-09-27T14:04:23Z")
Hello list; I have been following a thread by Marcus and others about coherent receivers, etc. I have a question: Is it possible to change the clock frequency to receive a slightly lower frequency? I have some ~ 49… --- ## [How do I configure slf4j with jruby](https://www.ruby-forum.com/t/how-do-i-configure-slf4j-with-jruby/246332)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 1:57pm UTC](https://www.ruby-forum.com/t/how-do-i-configure-slf4j-with-jruby/246332 "2013-09-27T13:57:57Z")
somehow jruby found a slf4j provider in my class path (of the project) and now the ALL my log out has a different format. how do I tell jruby to leave slf4j config as is or how to change the format ? christian --- ## [Stumped with issue of Nginx passing requests to php-fpm while using SSL](https://www.ruby-forum.com/t/stumped-with-issue-of-nginx-passing-requests-to-php-fpm-while-using-ssl/236706)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 3\ **Last updated:** [September 27, 2013, 1:41pm UTC](https://www.ruby-forum.com/t/stumped-with-issue-of-nginx-passing-requests-to-php-fpm-while-using-ssl/236706 "2013-09-27T13:41:35Z")
nginx mailing list removed\_email\_address@domain.invalid http://mailman.nginx.org/mailman/listinfo/nginx --- ## [Dual coherent channel rtl\_sdr](https://www.ruby-forum.com/t/dual-coherent-channel-rtl-sdr/246234)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 16\ **Last updated:** [September 27, 2013, 11:31am UTC](https://www.ruby-forum.com/t/dual-coherent-channel-rtl-sdr/246234 "2013-09-27T11:31:14Z")
I was playing around with the rtl\_sdr dongles and came up with a trivial hack to build a receiver with multiple coherent channels. I do this basically by unsoldering the quartz clock on the slave units and cable the … --- ## [How to write “Destroy kid” in cucumber](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236711)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 9:37am UTC](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236711 "2013-09-27T09:37:25Z")
how to write “Destroy kid” in cucumber Scenario: User can delete kids Given I am on the kids page When I Destroy kid Then I should see “Kid deleted successfully” Then one kid should not exist Listing kids Kid nam… --- ## [How to write “Destroy kid” in cucumber](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236710)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 9:32am UTC](https://www.ruby-forum.com/t/how-to-write-destroy-kid-in-cucumber/236710 "2013-09-27T09:32:27Z")
how to write “Destroy kid” in cucumber: Scenario: User can delete kids Given I am on the kids page When I Destroy kid Then I should see “Kid deleted successfully” Then one kid should not exist Listing kids Kid na… --- ## [Problems with ActionMailer](https://www.ruby-forum.com/t/problems-with-actionmailer/236705)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 9:01am UTC](https://www.ruby-forum.com/t/problems-with-actionmailer/236705 "2013-09-27T09:01:04Z")
I’m having a tough time tracking down why my mail is not being sent from an app I migrated from 3.0 -\> 3.1 -\> 3.2. The relevant code sections are in this SO question. My questions here are: Does something just jump … --- ## [Tiobe latest](https://www.ruby-forum.com/t/tiobe-latest/236683)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 28\ **Last updated:** [September 27, 2013, 8:49am UTC](https://www.ruby-forum.com/t/tiobe-latest/236683 "2013-09-27T08:49:22Z")
hello all - first time posting i have been waiting to start in learning ruby-on-rails to determine its popularity. but i notice the latest Tiobe review does not look too favorable to ruby’s future. can anybody comme… --- ## [Cocot 1.0.0 released](https://www.ruby-forum.com/t/cocot-1-0-0-released/236712)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 5:55am UTC](https://www.ruby-forum.com/t/cocot-1-0-0-released/236712 "2013-09-27T05:55:32Z")
A very simple tool, but usefull for your BDD proyects, in which you will work with RSpec and Cucumber. It builds the skeleton of your proyect, so you can start to model your idea quickly, in a second. Please take a lo… --- ## ["Well-Grounded Rubyist" Listing 5.6: Keeping track of car manfacturing stats with class variables](https://www.ruby-forum.com/t/well-grounded-rubyist-listing-5-6-keeping-track-of-car-manfacturing-stats-with-class-variables/246263)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 13\ **Last updated:** [September 27, 2013, 5:10am UTC](https://www.ruby-forum.com/t/well-grounded-rubyist-listing-5-6-keeping-track-of-car-manfacturing-stats-with-class-variables/246263 "2013-09-27T05:10:24Z")
Hi guys, Can someone explain line by line what is happening with the @@cars hash here: From "Well Grounded Rubyist" by David A. Black, Listing 5.6: Keeping track of car manufacturing statistics with class variables. · … --- ## [Noise/random sources](https://www.ruby-forum.com/t/noise-random-sources/236709)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 3:18am UTC](https://www.ruby-forum.com/t/noise-random-sources/236709 "2013-09-27T03:18:37Z")
When I use multiple noise sources in a flow-graph, each with a different seed, are they actually independent, or do they just call “random” or “lrand” or something, and thus setting different seeds has no effect? --- ## [STDIN.gets() with default value?](https://www.ruby-forum.com/t/stdin-gets-with-default-value/236699)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [September 27, 2013, 2:55am UTC](https://www.ruby-forum.com/t/stdin-gets-with-default-value/236699 "2013-09-27T02:55:49Z")
Hello ruby-forum community, is there a way to give STDIN.gets() a default value? The user should see a value by gets() and can edit this or just press enter --- ## [Access to live limit\_conn values?](https://www.ruby-forum.com/t/access-to-live-limit-conn-values/236603)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 1\ **Last updated:** [September 27, 2013, 1:59am UTC](https://www.ruby-forum.com/t/access-to-live-limit-conn-values/236603 "2013-09-27T01:59:50Z")
I’m looking for a way get the value of the current number of connections in a given limit\_conn zone.There is no variable access that I can find. I’m considering hacking this into the stub\_status module, so that all of … --- ## [Clogger 1.3.0 - configurable request logging for Rack](https://www.ruby-forum.com/t/clogger-1-3-0-configurable-request-logging-for-rack/246284)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [September 27, 2013, 1:51am UTC](https://www.ruby-forum.com/t/clogger-1-3-0-configurable-request-logging-for-rack/246284 "2013-09-27T01:51:39Z")
Clogger is Rack middleware for logging HTTP requests. The log format is customizable so you can specify exactly which fields to log. http://clogger.rubyforge.org/ removed\_email\_address@domain.invalid git://bogomips.o… [Previous page](https://www.ruby-forum.com/latest.md?page=531) [Next page](https://www.ruby-forum.com/latest.md?page=533)