# Top **URL:** https://www.ruby-forum.com/top.md?page=1358 [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:** 1359 --- ## [Default value for model var](https://www.ruby-forum.com/t/default-value-for-model-var/63162)
**Author:** [@jonathan2000](https://www.ruby-forum.com/u/jonathan2000)\ **Replies:** 3\ **Last updated:** [June 13, 2006, 2:05am UTC](https://www.ruby-forum.com/t/default-value-for-model-var/63162 "2006-06-13T02:05:47Z")
I know this has got to be a really dumb question, but here goes anyway. I’ve got a model with an associated table. One of the columns in the table is ‘date\_created’, which I want to be set to the date/time each row wa… --- ## [Reinstall ruby's MySQL Library on OS X Server](https://www.ruby-forum.com/t/reinstall-rubys-mysql-library-on-os-x-server/60289)
**Author:** [@Hon\_Bin](https://www.ruby-forum.com/u/Hon_Bin)\ **Replies:** 3\ **Last updated:** [May 12, 2006, 1:01pm UTC](https://www.ruby-forum.com/t/reinstall-rubys-mysql-library-on-os-x-server/60289 "2006-05-12T13:01:13Z")
Hello, I am running OS X Server version 10.4.6 and I already have some MySQL databases working on the server. I install the RubyGem recently, however, it does not work correctly with the default MySQL. I am wondering… --- ## [Rewriting with an after\_filter](https://www.ruby-forum.com/t/rewriting-with-an-after-filter/71046)
**Author:** [@matthew](https://www.ruby-forum.com/u/matthew)\ **Replies:** 3\ **Last updated:** [February 21, 2006, 6:57pm UTC](https://www.ruby-forum.com/t/rewriting-with-an-after-filter/71046 "2006-02-21T18:57:36Z")
All - I’m completely new to RoR and also new to programming in an MVC structure… The Pragmatic Programmers guide to Rails says, temptingly: “After filters can be used to modify the outbound response, changing the he… --- ## [Ruby and Tk:- Menu's calling other widgets](https://www.ruby-forum.com/t/ruby-and-tk-menus-calling-other-widgets/96765)
**Author:** [@jmaenpaa](https://www.ruby-forum.com/u/jmaenpaa)\ **Replies:** 3\ **Last updated:** [January 25, 2006, 3:19am UTC](https://www.ruby-forum.com/t/ruby-and-tk-menus-calling-other-widgets/96765 "2006-01-25T03:19:38Z")
What’s the best (and simplest) method of having a menu item produce another widget (a menu for example)? So far I have code as shown below which calls a simple button. I’d like to use the proc{foo} method so that I c… --- ## [Why do plugins use class\_eval?](https://www.ruby-forum.com/t/why-do-plugins-use-class-eval/51335)
**Author:** [@Blair\_Z](https://www.ruby-forum.com/u/Blair_Z)\ **Replies:** 3\ **Last updated:** [December 29, 2005, 9:49pm UTC](https://www.ruby-forum.com/t/why-do-plugins-use-class-eval/51335 "2005-12-29T21:49:03Z")
I’m writing my own plugin and all the plugins I’ve seen use class\_eval in the method that is called in the including module. For example: http://wiki.rubyonrails.com/rails/pages/HowToWriteAnActsAsFoxPlugin module Fo… --- ## [2x2 mimo with USRP N210](https://www.ruby-forum.com/t/2x2-mimo-with-usrp-n210/244742)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [June 7, 2016, 4:44am UTC](https://www.ruby-forum.com/t/2x2-mimo-with-usrp-n210/244742 "2016-06-07T04:44:20Z")
Hello,everyone,I want to implement 2x2 MIMO system with beam-forming in GNU-radio,the devices I use are usrp N210 and mimo cable, while I’m a beginner in GNU-radio,could anyone who implemented this relative system ex… --- ## [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… --- ## [Ruby 1.8.7 patchlevel 371 (CVE-2012-4466)](https://www.ruby-forum.com/t/ruby-1-8-7-patchlevel-371-cve-2012-4466/223645)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 0\ **Last updated:** [October 12, 2012, 8:54am UTC](https://www.ruby-forum.com/t/ruby-1-8-7-patchlevel-371-cve-2012-4466/223645 "2012-10-12T08:54:32Z")
\-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello all. CVE-2012-4466 was reported against 1.8.7. This is about $SAFE escaping, so if you (or your using library) are a user of that feature, you are advised to up… --- ## [Flex 900 Common Daughter Board](https://www.ruby-forum.com/t/flex-900-common-daughter-board/192842)
**Author:** [@Sean\_Jordan](https://www.ruby-forum.com/u/Sean_Jordan)\ **Replies:** 0\ **Last updated:** [August 6, 2010, 8:26pm UTC](https://www.ruby-forum.com/t/flex-900-common-daughter-board/192842 "2010-08-06T20:26:43Z")
I am using the Flex 900 Common Daughter Board for the usrp. I am using both boards as recievers. The connection RX2 on the board will not work when connected and selected by the dual source usrp in GRC. However, if I … --- ## [Gtk::Entry and default focus on startup](https://www.ruby-forum.com/t/gtk-entry-and-default-focus-on-startup/92475)
**Author:** [@quik77](https://www.ruby-forum.com/u/quik77)\ **Replies:** 0\ **Last updated:** [April 19, 2007, 9:19pm UTC](https://www.ruby-forum.com/t/gtk-entry-and-default-focus-on-startup/92475 "2007-04-19T21:19:44Z")
Hi there, first thanks for the various helpful pointers, even though I dont reply (due to batch-mode digest, and this free email. Makes emails a bit difficult) :slight\_smile: Now, my question is: I have several Gtk:… --- ## [ImageMagick and EXIF Data](https://www.ruby-forum.com/t/imagemagick-and-exif-data/58656)
**Author:** [@daveh](https://www.ruby-forum.com/u/daveh)\ **Replies:** 0\ **Last updated:** [April 24, 2006, 4:07pm UTC](https://www.ruby-forum.com/t/imagemagick-and-exif-data/58656 "2006-04-24T16:07:37Z")
Hi there, I’m writing a little application that parses an image file and extracts the camera settings from the file (the EXIF data) and saves all the fields to the database. The idea is that after awhile people will… --- ## [Array in an array - how to assign to individual array?](https://www.ruby-forum.com/t/array-in-an-array-how-to-assign-to-individual-array/221361)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [July 11, 2012, 6:52pm UTC](https://www.ruby-forum.com/t/array-in-an-array-how-to-assign-to-individual-array/221361 "2012-07-11T18:52:11Z")
I have 2 arrays. a=\[“array1”, “array2”\] that stores the names of arrays as a string and b=\[\[“1”,“2”\],\[“3”,“4”\]\] that has the values for each of these arrays. I want to access individual arrays specifically and the con… --- ## [Which is the best online document conversion site?](https://www.ruby-forum.com/t/which-is-the-best-online-document-conversion-site/214652)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [December 8, 2011, 11:27pm UTC](https://www.ruby-forum.com/t/which-is-the-best-online-document-conversion-site/214652 "2011-12-08T23:27:29Z")
Can anyone tell me that which is the best online document conversion site? And what’s the best features of that site? --- ## [RVM on a Macbook](https://www.ruby-forum.com/t/rvm-on-a-macbook/197357)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 6\ **Last updated:** [December 31, 2010, 11:37pm UTC](https://www.ruby-forum.com/t/rvm-on-a-macbook/197357 "2010-12-31T23:37:35Z")
I have a Macbook with Snow Leopard and Macports. I have successfully run the script displayed below the heading “The following script will boostrap git + RVM…” on the page: http://rvm.beginrescueend.com/rvm/install/ H… --- ## [Filter records by dates occurring this year](https://www.ruby-forum.com/t/filter-records-by-dates-occurring-this-year/199107)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 6\ **Last updated:** [November 16, 2010, 5:35am UTC](https://www.ruby-forum.com/t/filter-records-by-dates-occurring-this-year/199107 "2010-11-16T05:35:31Z")
Hi all… I’m trying to create a named\_scope for people who were born this year. I have an application helper method defining “current\_year”. So far, I have this, but it’s not filtering correctly. I think I need a BE… --- ## [Order by "title" but then put "Other" at the end?](https://www.ruby-forum.com/t/order-by-title-but-then-put-other-at-the-end/198185)
**Author:** [@okkezSS](https://www.ruby-forum.com/u/okkezSS)\ **Replies:** 6\ **Last updated:** [October 27, 2010, 8:53pm UTC](https://www.ruby-forum.com/t/order-by-title-but-then-put-other-at-the-end/198185 "2010-10-27T20:53:01Z")
Is there any way in a scope to order a list by a text field (“title”, for instance) but put the item that is titled “Other” at the end of the list? Thanks --- ## [Make website based on ruby o.o](https://www.ruby-forum.com/t/make-website-based-on-ruby-o-o/183850)
**Author:** [@cryxpride](https://www.ruby-forum.com/u/cryxpride)\ **Replies:** 6\ **Last updated:** [February 22, 2010, 9:31am UTC](https://www.ruby-forum.com/t/make-website-based-on-ruby-o-o/183850 "2010-02-22T09:31:16Z")
hi guys. It’s not my first time on ruby, i mean, well I did get to page 40 of my 300 page guide book, but that’s not the point =S. thing is, I don’t really know what you gotta do to make a blog out of ruby. I’ve heard… --- ## [RubyGems current load paths](https://www.ruby-forum.com/t/rubygems-current-load-paths/179263)
**Author:** [@tcsnide](https://www.ruby-forum.com/u/tcsnide)\ **Replies:** 6\ **Last updated:** [November 24, 2009, 8:42am UTC](https://www.ruby-forum.com/t/rubygems-current-load-paths/179263 "2009-11-24T08:42:08Z")
Hi– I need to get a list of the “current” gem load paths. I learned that I can get a list of all the latest load paths via: Gem.latest\_load\_paths which is great. But lets say I specify an older version of a lib, eg: … --- ## [Making separate File](https://www.ruby-forum.com/t/making-separate-file/140071)
**Author:** [@drweb](https://www.ruby-forum.com/u/drweb)\ **Replies:** 6\ **Last updated:** [June 10, 2008, 8:11pm UTC](https://www.ruby-forum.com/t/making-separate-file/140071 "2008-06-10T20:11:22Z")
Hello, The given two classes (TestClass1 and TestClass2) are in a single ruby code. I want a code that separate both classes and save them into 2 diffrent ruby files. E.g Orginal code “test.rb” (contains the classes… --- ## [Rails and Databases](https://www.ruby-forum.com/t/rails-and-databases/124638)
**Author:** [@Haris\_G](https://www.ruby-forum.com/u/Haris_G)\ **Replies:** 6\ **Last updated:** [December 31, 2007, 2:08pm UTC](https://www.ruby-forum.com/t/rails-and-databases/124638 "2007-12-31T14:08:08Z")
Hello, I am new to RoR and have several questions. I have an existing DB and I want to develop an application that uses this existing DB. How do I import this DB into my application. What I mean is, I dont want t… --- ## [Rubygems 0.9.5 not finding SSL package](https://www.ruby-forum.com/t/rubygems-0-9-5-not-finding-ssl-package/121177)
**Author:** [@asplake](https://www.ruby-forum.com/u/asplake)\ **Replies:** 6\ **Last updated:** [November 30, 2007, 12:25am UTC](https://www.ruby-forum.com/t/rubygems-0-9-5-not-finding-ssl-package/121177 "2007-11-30T00:25:15Z")
I am trying to install rails on xubuntu with the line sudo gem install rails --include-dependencies It terminates with this error: ERROR: While executing gem … (Gem::Exception) SSL is not installed on this system I… --- ## [How to use a hash inside a Struct?](https://www.ruby-forum.com/t/how-to-use-a-hash-inside-a-struct/117877)
**Author:** [@jayson](https://www.ruby-forum.com/u/jayson)\ **Replies:** 6\ **Last updated:** [October 22, 2007, 1:51am UTC](https://www.ruby-forum.com/t/how-to-use-a-hash-inside-a-struct/117877 "2007-10-22T01:51:25Z")
Is there a way to use a hash inside a Structure. Something like: object = Struct.new(Hash.new(), :attr2, :attr3) I know this doesn’t work, but do you get the idea of what I am trying to do? Jayson --- ## [RCR Opinion Poll](https://www.ruby-forum.com/t/rcr-opinion-poll/82587)
**Author:** [@flatekmonkey](https://www.ruby-forum.com/u/flatekmonkey)\ **Replies:** 6\ **Last updated:** [September 25, 2007, 10:46pm UTC](https://www.ruby-forum.com/t/rcr-opinion-poll/82587 "2007-09-25T22:46:46Z")
Hi all there is one thing concerning enumerations I really would like to file a CR about. But I guess it is necessary to open my ears and listen to your POVs before doing so. I believe that similar things are alread… --- ## [Condition avant la boucle](https://www.ruby-forum.com/t/condition-avant-la-boucle/103340)
**Author:** [@Bolo](https://www.ruby-forum.com/u/Bolo)\ **Replies:** 6\ **Last updated:** [May 6, 2007, 4:30pm UTC](https://www.ruby-forum.com/t/condition-avant-la-boucle/103340 "2007-05-06T16:30:44Z")
Bonjour, Pourquoi dans mon code def index rtCriteria = “” session\[:list\_search\_criteria\] = Hash.new if session\[:list\_search\_criteria\] != “” session\[:list\_search\_criteria\]\["#{params\[:criteria\]}"\] = params\[:criteria… --- ## [Extending RDoc with custom sections?](https://www.ruby-forum.com/t/extending-rdoc-with-custom-sections/81936)
**Author:** [@el-oy](https://www.ruby-forum.com/u/el-oy)\ **Replies:** 6\ **Last updated:** [January 17, 2007, 12:58am UTC](https://www.ruby-forum.com/t/extending-rdoc-with-custom-sections/81936 "2007-01-17T00:58:19Z")
Hello peeps! I’m in the process of converting Apple’s Cocoa reference docs to RubyCocoa style RDoc source/comments. This is working out rather well :slight\_smile: The only problem I have run into is that I need extra… --- ## [Search and replace](https://www.ruby-forum.com/t/search-and-replace/78006)
**Author:** [@ishamid](https://www.ruby-forum.com/u/ishamid)\ **Replies:** 6\ **Last updated:** [December 3, 2006, 5:55am UTC](https://www.ruby-forum.com/t/search-and-replace/78006 "2006-12-03T05:55:56Z")
\[total novice here\] Hi, I have a series of expressions like this (shortened from verbose xml) \[\1\ \[\2\ … --- ## [Managed dedicated server rails hosting providers?](https://www.ruby-forum.com/t/managed-dedicated-server-rails-hosting-providers/66361)
**Author:** [@folke](https://www.ruby-forum.com/u/folke)\ **Replies:** 6\ **Last updated:** [August 25, 2006, 2:43pm UTC](https://www.ruby-forum.com/t/managed-dedicated-server-rails-hosting-providers/66361 "2006-08-25T14:43:16Z")
Any recommendations on hosting providers (US) that offer a fully managed dedicated server with rails support? Thanks! – - Adam \*\* Expert Technical Project and Business Management \*\*\*\* System Performance Analysis an… --- ## [Idiomatic ruby](https://www.ruby-forum.com/t/idiomatic-ruby/66323)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 6\ **Last updated:** [February 13, 2006, 5:23pm UTC](https://www.ruby-forum.com/t/idiomatic-ruby/66323 "2006-02-13T17:23:59Z")
Very often I have a question method, which, in some cases, the caller would want to know why as well. Examples: def valid? end def abort? end Ruby does not allow subclassing true and false, so, if these methods r… --- ## [Command substitution not working](https://www.ruby-forum.com/t/command-substitution-not-working/245154)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [November 23, 2016, 5:15pm UTC](https://www.ruby-forum.com/t/command-substitution-not-working/245154 "2016-11-23T17:15:13Z")
Trying find and replace with the following code: #!/usr/bin/env ruby file\_names = \[‘foo.txt’\] file\_names.each do |file\_name| text = File.read(file\_name) new\_contents = text.gsub(/ADMIN\_URL="t3:./, 'ADMIN\_URL="t3s:/… --- ## [Receiving 900MHz signal on USRP1](https://www.ruby-forum.com/t/receiving-900mhz-signal-on-usrp1/240423)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [April 13, 2014, 1:40pm UTC](https://www.ruby-forum.com/t/receiving-900mhz-signal-on-usrp1/240423 "2014-04-13T13:40:18Z")
Hi I am new to gnuradio. I have done installation of uhd and gnuradio form buildgnuradio script successfully. Now I want to receive 900MHz signal from USRP1. when i run uhd\_fft… it does not give any significant resul… --- ## [Rails multistep form with ajax](https://www.ruby-forum.com/t/rails-multistep-form-with-ajax/245910)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 1\ **Last updated:** [August 2, 2013, 4:03pm UTC](https://www.ruby-forum.com/t/rails-multistep-form-with-ajax/245910 "2013-08-02T16:03:10Z")
I am following Railscasts #217 and I have been able to make everything work using html protocol the only issue is that I need it to use ajax protocol instead. My question and code is very similar to stackoverflow que… --- ## [PerlinNoiseGenerator - how?](https://www.ruby-forum.com/t/perlinnoisegenerator-how/225590)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 1\ **Last updated:** [January 17, 2013, 6:22am UTC](https://www.ruby-forum.com/t/perlinnoisegenerator-how/225590 "2013-01-17T06:22:33Z")
Hi, I’m currently trying to get my program running well on jruby rather than MRI, to see if it can solve some issues I’m having with MRI (primarily to do with garbage collection, but having real threads may turn out t… --- ## [Process to start internationalization](https://www.ruby-forum.com/t/process-to-start-internationalization/194328)
**Author:** [@alkkumar531](https://www.ruby-forum.com/u/alkkumar531)\ **Replies:** 1\ **Last updated:** [September 2, 2010, 2:47pm UTC](https://www.ruby-forum.com/t/process-to-start-internationalization/194328 "2010-09-02T14:47:16Z")
i am new to ror… i want to know wat configuration i shud do for starting i18n applications --- ## [Link\_to\_remote y navegación](https://www.ruby-forum.com/t/link-to-remote-y-navegacia-n/190082)
**Author:** [@alfa-rero](https://www.ruby-forum.com/u/alfa-rero)\ **Replies:** 1\ **Last updated:** [June 14, 2010, 4:05pm UTC](https://www.ruby-forum.com/t/link-to-remote-y-navegacia-n/190082 "2010-06-14T16:05:51Z")
Hola, desde un form de un controlador x quiero ejecutar una acción especial, con los datos del form y cuando termine, redireccionar a otro form de otro controlador… uso link\_to\_remote para enviar el contenido, pero … --- ## [Collecting waveform data](https://www.ruby-forum.com/t/collecting-waveform-data/172477)
**Author:** [@fangming\_he](https://www.ruby-forum.com/u/fangming_he)\ **Replies:** 1\ **Last updated:** [July 22, 2009, 3:53pm UTC](https://www.ruby-forum.com/t/collecting-waveform-data/172477 "2009-07-22T15:53:54Z")
Hi, All, I hope to save the waveform of baseband. Now I use the file sink of the GRC to save the waveform data, but I am not sure which type of file we can save, .txt or .csv? Or some other type of file? We tried .tx… --- ## [My sql error: Lock wait timeout](https://www.ruby-forum.com/t/my-sql-error-lock-wait-timeout/165468)
**Author:** [@sriram](https://www.ruby-forum.com/u/sriram)\ **Replies:** 1\ **Last updated:** [April 14, 2009, 4:39pm UTC](https://www.ruby-forum.com/t/my-sql-error-lock-wait-timeout/165468 "2009-04-14T16:39:06Z")
Hello, I have this application where there are 5 tables. I have the :dependent =\> :destroy clause in such a way that if an entry in the first table is deleted all the “dependent” entries in the next 4 tables are als… --- ## [Transparent text with rmagick?](https://www.ruby-forum.com/t/transparent-text-with-rmagick/83618)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 1\ **Last updated:** [January 27, 2007, 9:37pm UTC](https://www.ruby-forum.com/t/transparent-text-with-rmagick/83618 "2007-01-27T21:37:27Z")
hi - (this maybe more an imagemagick q that a ruby one, but here goes …) using rmagick / I have a small script for generating some type, but I cannot get the type to come out as transparent png - it comes out just on… --- ## [Serve static XML files how?](https://www.ruby-forum.com/t/serve-static-xml-files-how/94006)
**Author:** [@ingoweiss](https://www.ruby-forum.com/u/ingoweiss)\ **Replies:** 1\ **Last updated:** [April 17, 2006, 10:54pm UTC](https://www.ruby-forum.com/t/serve-static-xml-files-how/94006 "2006-04-17T22:54:46Z")
Hi, a Javascript in one of my Rails templates needs to load a static XML file. I tried several places to put the actual XML file, and I also tried to make the file a rails template (tried both .rhtml and .rxml) and a… --- ## [Help with LOAD\_PATH when building from source on Mac OSX Lion](https://www.ruby-forum.com/t/help-with-load-path-when-building-from-source-on-mac-osx-lion/211592)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [September 8, 2011, 2:08pm UTC](https://www.ruby-forum.com/t/help-with-load-path-when-building-from-source-on-mac-osx-lion/211592 "2011-09-08T14:08:00Z")
Hi all, I’ve successfully built ruby (1.9.2-p290) from source on Mac OSX Lion but I’m having problems with LOAD\_PATH - basically it can’t find any standard library files or gem files. The load paths are : /usr/local… --- ## [Rake db:create:all gives the error?](https://www.ruby-forum.com/t/rake-dball-gives-the-error/209043)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [July 5, 2011, 6:34am UTC](https://www.ruby-forum.com/t/rake-dball-gives-the-error/209043 "2011-07-05T06:34:15Z")
I executed the “rake db:create:all” and it gives following error message rake/rdoctask is deprecated. Use rdoc/task instead (in RDoc 2.4.2+) rake aborted! uninitialized constant ActiveSupport::Dependencies::Mutex (S… --- ## [RedCloth not found](https://www.ruby-forum.com/t/redcloth-not-found/206963)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [May 14, 2011, 2:47pm UTC](https://www.ruby-forum.com/t/redcloth-not-found/206963 "2011-05-14T14:47:26Z")
Hi, I’m learning RoR and I have a problem with RedCloth. I have installed it by gem install RedCloth and I have it in my path. But when I require it, it is not found. irb(main):001:0\> require ‘rubygems’ =\> nil irb(… --- ## [Digital Modulation and Demodulation](https://www.ruby-forum.com/t/digital-modulation-and-demodulation/204129)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 4\ **Last updated:** [March 7, 2011, 12:12am UTC](https://www.ruby-forum.com/t/digital-modulation-and-demodulation/204129 "2011-03-07T00:12:03Z")
I am trying to test the DBPSK modulation and demodulation but I don’t understand the output. I read a binary file and modulate, then demodulate, and then write to a file. I view the file but it is not the same as th… --- ## [Is there a Date.now equivalent of Time.now/new?](https://www.ruby-forum.com/t/is-there-a-date-now-equivalent-of-time-now-new/202615)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [February 2, 2011, 4:36pm UTC](https://www.ruby-forum.com/t/is-there-a-date-now-equivalent-of-time-now-new/202615 "2011-02-02T16:36:38Z")
Hi, On Ruby 1.8.7 and 1.9 somewhere (some ARM NAS device). Does anyone know if there is a Date.now in 1.9, or one proposed? It’s a little tedious to go through Date.strptime(Time.now.strftime) don’t you think? Easy e… --- ## [Conditional "Expires" header config bug](https://www.ruby-forum.com/t/conditional-expires-header-config-bug/200254)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 4\ **Last updated:** [December 8, 2010, 12:24am UTC](https://www.ruby-forum.com/t/conditional-expires-header-config-bug/200254 "2010-12-08T00:24:07Z")
Hi, I’m trying to conditionally set the “Expires” header. This tiny snippet does not work as expected: location ~\* testing/.\*\\.png$ { if ($request\_uri ~\* "\\.png\\?\[0-9\]+$") { expires max; } try\_files $uri /te… --- ## [Can USRP2 connect to Beagle Board-Xm?](https://www.ruby-forum.com/t/can-usrp2-connect-to-beagle-board-xm/197383)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 4\ **Last updated:** [October 13, 2010, 6:42pm UTC](https://www.ruby-forum.com/t/can-usrp2-connect-to-beagle-board-xm/197383 "2010-10-13T18:42:13Z")
Hello, I want to know if GNU Radio USRP2 can connect to Beagle Board- Xm I know Beagle-board can connect to USRP by USB connection. Now BeagleBoard-XM has 100M Ethernet, and USPP2 uses 1000M Ethernet, can they work … --- ## [MiniTest test case execution](https://www.ruby-forum.com/t/minitest-test-case-execution/191136)
**Author:** [@george\_thomas](https://www.ruby-forum.com/u/george_thomas)\ **Replies:** 4\ **Last updated:** [July 9, 2010, 5:36am UTC](https://www.ruby-forum.com/t/minitest-test-case-execution/191136 "2010-07-09T05:36:57Z")
Hi, I have MiniTest derived class to run the test cases. Its something as follows class CustomClass \< MiniTest::Unit::TestCase def test1 end def test2 end … … def testn end end My requirement is that if the … --- ## [Dislikes dual?](https://www.ruby-forum.com/t/dislikes-dual/183439)
**Author:** [@rogerdpack](https://www.ruby-forum.com/u/rogerdpack)\ **Replies:** 4\ **Last updated:** [February 15, 2010, 7:13pm UTC](https://www.ruby-forum.com/t/dislikes-dual/183439 "2010-02-15T19:13:14Z")
E:\\installs\>jruby --server --server jruby: unknown option --server is this expected? Thanks. -r --- ## [Caching + Error\_code or try](https://www.ruby-forum.com/t/caching-error-code-or-try/174329)
**Author:** [@icqheretic](https://www.ruby-forum.com/u/icqheretic)\ **Replies:** 4\ **Last updated:** [August 25, 2009, 6:53pm UTC](https://www.ruby-forum.com/t/caching-error-code-or-try/174329 "2009-08-25T18:53:36Z")
location @backend { #internal; #root html; #index index.html; log\_subrequest on; access\_log logs/cfc.access.log backend\_log; #open\_file\_cache … --- ## [Google App Engine Rails Template](https://www.ruby-forum.com/t/google-app-engine-rails-template/170619)
**Author:** [@Matt\_Brady](https://www.ruby-forum.com/u/Matt_Brady)\ **Replies:** 4\ **Last updated:** [June 20, 2009, 7:22am UTC](https://www.ruby-forum.com/t/google-app-engine-rails-template/170619 "2009-06-20T07:22:06Z")
Josh, Which version of JRuby did you use for jruby-core.jar and ruby-stdlib.jar? Did you copy Ola’s older versions or have you built new jars from the latest release of JRuby? Hi, --- ## [\[USRP2\]Receiving a DC voltage](https://www.ruby-forum.com/t/usrp2-receiving-a-dc-voltage/163118)
**Author:** [@dbeken](https://www.ruby-forum.com/u/dbeken)\ **Replies:** 4\ **Last updated:** [March 23, 2009, 10:25am UTC](https://www.ruby-forum.com/t/usrp2-receiving-a-dc-voltage/163118 "2009-03-23T10:25:10Z")
Hello again, last time I didn´t get a solution for my problem of interpolating and decimating using a sinusoidal signal. Now i went even easier. I connected a DC Power Supply (with 0.01A max limit) to my LFRX daught… [Previous page](https://www.ruby-forum.com/top.md?page=1357&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1359&per_page=50)