# Top **URL:** https://www.ruby-forum.com/top.md?page=793 [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:** 794 --- ## [\[File.readable?\] How to make it work?](https://www.ruby-forum.com/t/file-readable-how-to-make-it-work/238777)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 6\ **Last updated:** [January 29, 2014, 9:13am UTC](https://www.ruby-forum.com/t/file-readable-how-to-make-it-work/238777 "2014-01-29T09:13:40Z")
I’m trying to make my own program that can help me manage my files/folders faster than Windows command prompt but I have ran across a problem. The problem is if a user tries to open a folder while the program is in “… --- ## [Hook for "rake db:migrate" to redirect command to search for migrations in plugin / gem?](https://www.ruby-forum.com/t/hook-for-rake-db-migrate-to-redirect-command-to-search-for-migrations-in-plugin-gem/245514)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 6\ **Last updated:** [June 10, 2013, 5:16pm UTC](https://www.ruby-forum.com/t/hook-for-rake-db-migrate-to-redirect-command-to-search-for-migrations-in-plugin-gem/245514 "2013-06-10T17:16:42Z")
I want to put all app migrations in a plugin. And then when I run rake db:migrate and as the command is not able to find migrations in “App\\db\\migrate” directory (the default one) I want it to be redirected to look… --- ## [Using angular and cancan in Rails application](https://www.ruby-forum.com/t/using-angular-and-cancan-in-rails-application/228246)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 6\ **Last updated:** [April 15, 2013, 10:45am UTC](https://www.ruby-forum.com/t/using-angular-and-cancan-in-rails-application/228246 "2013-04-15T10:45:45Z")
Developing an application with angular I came into a problem. In my application I use cancan ( GitHub - ryanb/cancan: Authorization Gem for Ruby on Rails. ). Now when showing data in a table i have to filter if the log… --- ## [Questions about bbn\_80211b\_rx.py](https://www.ruby-forum.com/t/questions-about-bbn-80211b-rx-py/224985)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [December 11, 2012, 5:58pm UTC](https://www.ruby-forum.com/t/questions-about-bbn-80211b-rx-py/224985 "2012-12-11T17:58:17Z")
Hi all, I am implementing the BBN80211 projects now. I have the following questions: I run my receiver (with transmitter off): ./bbn\_80211b\_rx.py -d 4 -f 2.437G -b -g 100 -v The result is: shine@ubuntu:~/Projects/… --- ## [Misterious symetrical signal](https://www.ruby-forum.com/t/misterious-symetrical-signal/224827)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [December 11, 2012, 5:49pm UTC](https://www.ruby-forum.com/t/misterious-symetrical-signal/224827 "2012-12-11T17:49:31Z")
Hallo people, During my adventure of designing 433MHz receiver i have recently discovered misterious simetrical signal which I am not able to explain to myself. I am using USRP1 with WBX daughter board. While observ… --- ## [VOLK configure error in OSX 10.8](https://www.ruby-forum.com/t/volk-configure-error-in-osx-10-8/221942)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [September 10, 2012, 3:19pm UTC](https://www.ruby-forum.com/t/volk-configure-error-in-osx-10-8/221942 "2012-09-10T15:19:42Z")
I’m running OSX 10.8.0, Xcode 4.4, latest updates; all background dependencies are installed as both 32 and 64 bit, and includes “orc”. Please let me know what tests I can run to get more/better info to help correct t… --- ## [Using variables in modules](https://www.ruby-forum.com/t/using-variables-in-modules/205293)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 6\ **Last updated:** [April 3, 2011, 10:30pm UTC](https://www.ruby-forum.com/t/using-variables-in-modules/205293 "2011-04-03T22:30:24Z")
Can I define a variable in a module, and access and redefine it later? Something like module Gravity G = 9.81 end puts Gravity::G Gravity::G = 9.8102 # we have done a more precise measurement puts Gravity::G work… --- ## [Hash value inconsistencies](https://www.ruby-forum.com/t/hash-value-inconsistencies/128216)
**Author:** [@timperrett](https://www.ruby-forum.com/u/timperrett)\ **Replies:** 6\ **Last updated:** [September 10, 2009, 8:48pm UTC](https://www.ruby-forum.com/t/hash-value-inconsistencies/128216 "2009-09-10T20:48:18Z")
ruby -e “puts ‘test’.hash” Should this output the same integer value on all platforms where Ruby can run? Windows ruby --version #=\> ruby 1.8.6 (2007-03-13 patchlevel 0) \[i386- mswin32\] ruby -e “puts ‘test’.has… --- ## [Couldn't find objeto without an ID](https://www.ruby-forum.com/t/couldnt-find-objeto-without-an-id/147514)
**Author:** [@carlos\_gomez](https://www.ruby-forum.com/u/carlos_gomez)\ **Replies:** 6\ **Last updated:** [September 3, 2008, 11:52am UTC](https://www.ruby-forum.com/t/couldnt-find-objeto-without-an-id/147514 "2008-09-03T11:52:43Z")
Hola a todos acabo de empezar en el asombroso mundo de RoR y ya he tenido el primer problema que no consigo resolver :stuck\_out\_tongue: Cuando llamo al método show me salta el siguiente error : Couldn’t find Receta w… --- ## [Un saludo a todos los miembros](https://www.ruby-forum.com/t/un-saludo-a-todos-los-miembros/137701)
**Author:** [@rumaislter](https://www.ruby-forum.com/u/rumaislter)\ **Replies:** 6\ **Last updated:** [May 16, 2008, 11:19am UTC](https://www.ruby-forum.com/t/un-saludo-a-todos-los-miembros/137701 "2008-05-16T11:19:25Z")
Hola; Soy nuevo por aquí. Os envío un saludo a todos los miembros de la lista correo. Rubén. --- ## [Using external text file to do search and replace?](https://www.ruby-forum.com/t/using-external-text-file-to-do-search-and-replace/112714)
**Author:** [@dcgrigsby](https://www.ruby-forum.com/u/dcgrigsby)\ **Replies:** 6\ **Last updated:** [September 7, 2007, 12:06am UTC](https://www.ruby-forum.com/t/using-external-text-file-to-do-search-and-replace/112714 "2007-09-07T00:06:29Z")
I recently started to take an interest in Ruby programming and with the help of some people and by reading Learn to program by Chris P. I made myself a little program that has come to a halt because I don’t know if or… --- ## [ActiveResource and RESful edit](https://www.ruby-forum.com/t/activeresource-and-resful-edit/104142)
**Author:** [@jason](https://www.ruby-forum.com/u/jason)\ **Replies:** 6\ **Last updated:** [May 15, 2007, 9:01am UTC](https://www.ruby-forum.com/t/activeresource-and-resful-edit/104142 "2007-05-15T09:01:09Z")
Hi I’d like to know how to have ActiveResource generate a URL for the /teams/1/edit type of resource. I’ve got custom\_methods.rb and have used Team.find(1).get(:edit) This generates http://localhost:xxxx/teams/1/e… --- ## [Equivalente ISSET de PHP pero en Ruby](https://www.ruby-forum.com/t/equivalente-isset-de-php-pero-en-ruby/78336)
**Author:** [@ruby\_the\_best](https://www.ruby-forum.com/u/ruby_the_best)\ **Replies:** 6\ **Last updated:** [December 5, 2006, 11:22pm UTC](https://www.ruby-forum.com/t/equivalente-isset-de-php-pero-en-ruby/78336 "2006-12-05T23:22:59Z")
Alguien sabe como se puede determinar si una varible de sesion esta definida, es decir un metodo como isset de PHP? --- ## [Const\_defined? not quite in sync with const\_get?](https://www.ruby-forum.com/t/const-defined-not-quite-in-sync-with-const-get/69393)
**Author:** [@crenner](https://www.ruby-forum.com/u/crenner)\ **Replies:** 6\ **Last updated:** [September 21, 2006, 5:42am UTC](https://www.ruby-forum.com/t/const-defined-not-quite-in-sync-with-const-get/69393 "2006-09-21T05:42:34Z")
Assuming the following snippet, I’d expect Foo::const\_defined?(:Bar) to be routed via Foo::const\_missing. Instead it resolves to top-level Bar. Can someone explain why please? –code– class Bar end module Foo def… --- ## [Adding fixed content to feeds](https://www.ruby-forum.com/t/adding-fixed-content-to-feeds/94448)
**Author:** [@Gary\_S](https://www.ruby-forum.com/u/Gary_S)\ **Replies:** 6\ **Last updated:** [August 3, 2006, 2:22pm UTC](https://www.ruby-forum.com/t/adding-fixed-content-to-feeds/94448 "2006-08-03T14:22:58Z")
How easy would it be to add fixed text to the end of each post in the feed? I don’t mean in the actual post itself, but automagically inserted on publish - only in the feed. This could eventually lead to include adve… --- ## [Passing the same argument(s) to several methods at once](https://www.ruby-forum.com/t/passing-the-same-argument-s-to-several-methods-at-once/78181)
**Author:** [@IvSSSSn\_Vega\_R](https://www.ruby-forum.com/u/IvSSSSn_Vega_R)\ **Replies:** 6\ **Last updated:** [March 8, 2006, 3:27am UTC](https://www.ruby-forum.com/t/passing-the-same-argument-s-to-several-methods-at-once/78181 "2006-03-08T03:27:40Z")
Hi, I’m a Ruby beginner, but I remember I read somewhere something related… Only at the time I didn’t realize it’s usefulness until now. Maybe I’m mistaken, but is it possible to pass the same argument(s) to several… --- ## [Remote:true with redirect. Does it make sence?](https://www.ruby-forum.com/t/remote-true-with-redirect-does-it-make-sence/244273)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 4\ **Last updated:** [March 16, 2016, 7:56pm UTC](https://www.ruby-forum.com/t/remote-true-with-redirect-does-it-make-sence/244273 "2016-03-16T19:56:35Z")
Dear community, I have a small concern about using “remote: true” in erb form. I am building simple twitter site. Let’s say user has “tweet” from on the main page and a list of tweets below. here is what I do: \<%= f… --- ## [Beginner](https://www.ruby-forum.com/t/beginner/231785)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 4\ **Last updated:** [September 1, 2014, 5:33am UTC](https://www.ruby-forum.com/t/beginner/231785 "2014-09-01T05:33:02Z")
Hello list, First of all, thanks for the great tool. I am a newbie, just started to play with gnuradio. For the start, I’d like to implement some simple, low bit rate modem. I don’t have any particular hardware, so … --- ## [ANN: PDFTron PDFNet SDK for RUBY](https://www.ruby-forum.com/t/ann-pdftron-pdfnet-sdk-for-ruby/207810)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 4\ **Last updated:** [June 3, 2011, 4:45pm UTC](https://www.ruby-forum.com/t/ann-pdftron-pdfnet-sdk-for-ruby/207810 "2011-06-03T16:45:19Z")
ANNOUNCING: PDFTron PDFNet SDK v.5.7. - A Ruby Extension module for all types of PDF processing including rendering, conversion, editing, and creation. WHAT IT IS: PDFNet SDK is an amazingly comprehensive, high-quali… --- ## [Run 'script/generate controller' from inside app](https://www.ruby-forum.com/t/run-script-generate-controller-from-inside-app/182580)
**Author:** [@Frank\_in\_Tennessee](https://www.ruby-forum.com/u/Frank_in_Tennessee)\ **Replies:** 4\ **Last updated:** [January 30, 2010, 3:21pm UTC](https://www.ruby-forum.com/t/run-script-generate-controller-from-inside-app/182580 "2010-01-30T15:21:42Z")
Is it possible to run generator commands from within a running rails application? I’m experimenting with creating an application that can create ‘views’ on the fly. In my ‘pages\_controller.rb’ I have the following co… --- ## [Using SPI on BasicRX](https://www.ruby-forum.com/t/using-spi-on-basicrx/175494)
**Author:** [@ESOrnelas](https://www.ruby-forum.com/u/ESOrnelas)\ **Replies:** 4\ **Last updated:** [September 23, 2009, 4:06am UTC](https://www.ruby-forum.com/t/using-spi-on-basicrx/175494 "2009-09-23T04:06:38Z")
Hello. I’m trying to use the SPI interface of a BasicRX. I made a small test program. It basically keeps on writing. There are a few things I need to know: 1 - is this the right way to use the SPI? 2 - is the buffe… --- ## [Ruby1.9 Encoding](https://www.ruby-forum.com/t/ruby1-9-encoding/175265)
**Author:** [@Juliano\_SSS\_SSSS\_SS](https://www.ruby-forum.com/u/Juliano_SSS_SSSS_SS)\ **Replies:** 4\ **Last updated:** [September 10, 2009, 5:09pm UTC](https://www.ruby-forum.com/t/ruby1-9-encoding/175265 "2009-09-10T17:09:17Z")
Hey, guys! I’ve just started learning Ruby from Python and recently posted a question here that was promptly and effectively answered (thanks, Glenn!), so I decided to come here once more. I hope I’ll be able to be a… --- ## [Cucmber Step to insert Test Data into Database](https://www.ruby-forum.com/t/cucmber-step-to-insert-test-data-into-database/168917)
**Author:** [@smitasreekanth](https://www.ruby-forum.com/u/smitasreekanth)\ **Replies:** 4\ **Last updated:** [May 27, 2009, 3:55pm UTC](https://www.ruby-forum.com/t/cucmber-step-to-insert-test-data-into-database/168917 "2009-05-27T15:55:08Z")
Hi, We run the feature created for a form to identify the fields and also to add data into the respective fields. But while running the cucumber features, all the scenario and steps are getting passed but the record … --- ## [After\_create and has\_one association bug?](https://www.ruby-forum.com/t/after-create-and-has-one-association-bug/168732)
**Author:** [@andrewkendall](https://www.ruby-forum.com/u/andrewkendall)\ **Replies:** 4\ **Last updated:** [May 25, 2009, 6:51pm UTC](https://www.ruby-forum.com/t/after-create-and-has-one-association-bug/168732 "2009-05-25T18:51:08Z")
Hello, I’ve come across an issue that I’m sure is a bug when using after\_create with a has\_one association, but I’m not 100% certain if I’m missing something. This is pretty much exactly the code I’m using. Two simp… --- ## [Gem install mysql "checking for mysql\_query() in -lmysqlclie](https://www.ruby-forum.com/t/gem-install-mysql-checking-for-mysql-query-in-lmysqlclie/165598)
**Author:** [@robredford](https://www.ruby-forum.com/u/robredford)\ **Replies:** 4\ **Last updated:** [April 15, 2009, 7:24pm UTC](https://www.ruby-forum.com/t/gem-install-mysql-checking-for-mysql-query-in-lmysqlclie/165598 "2009-04-15T19:24:14Z")
I’ve seen this before but I’ve forgotten how to solve it. It appears that I have the mysql client libraries installed: iono@retro\[08:25:55\]\[~/\] locate libmysqlclient.so /usr/lib/mysql3/mysql/libmysqlclient.so /usr/li… --- ## [Rails associations](https://www.ruby-forum.com/t/rails-associations/154172)
**Author:** [@David\_Parker](https://www.ruby-forum.com/u/David_Parker)\ **Replies:** 4\ **Last updated:** [November 26, 2008, 4:46am UTC](https://www.ruby-forum.com/t/rails-associations/154172 "2008-11-26T04:46:57Z")
Hello! So I’m having some problems working out some probably really easy associations in Rails. I’ve Googled around and read some things on different Rails forums and blogs, but I just haven’t seen many solid exampl… --- ## [Recursion and variable scope level](https://www.ruby-forum.com/t/recursion-and-variable-scope-level/152375)
**Author:** [@scudco](https://www.ruby-forum.com/u/scudco)\ **Replies:** 4\ **Last updated:** [November 3, 2008, 3:11pm UTC](https://www.ruby-forum.com/t/recursion-and-variable-scope-level/152375 "2008-11-03T15:11:39Z")
Hi i want to reverse a string and at the same time check if there are any spaces using recursion. I can get the string to reverse fine but cant detect when theres a space heres my code def reverse\_string a\_string, an… --- ## [Evt\_auinotebook\_end\_drag?](https://www.ruby-forum.com/t/evt-auinotebook-end-drag/146194)
**Author:** [@requiem](https://www.ruby-forum.com/u/requiem)\ **Replies:** 4\ **Last updated:** [August 19, 2008, 5:18pm UTC](https://www.ruby-forum.com/t/evt-auinotebook-end-drag/146194 "2008-08-19T17:18:26Z")
Hello, this is my code (in a frame’s constructor): self.evt\_auinotebook\_page\_close(@notebook) { puts “page closed!” } self.evt\_auinotebook\_end\_drag(@notebook) { puts “page moved away!” } while the first works as ex… --- ## [Wert von Dir.entries in ein f.select](https://www.ruby-forum.com/t/wert-von-dir-entries-in-ein-f-select/128222)
**Author:** [@Werner\_L](https://www.ruby-forum.com/u/Werner_L)\ **Replies:** 4\ **Last updated:** [February 6, 2008, 10:22am UTC](https://www.ruby-forum.com/t/wert-von-dir-entries-in-ein-f-select/128222 "2008-02-06T10:22:17Z")
Hallo-… wie bekomme ich die Werte von @deko @deko = Dir.entries(“public/images/deco/”).sort.reject{|e| \[’.’,’…’\].include? e } in ein dropdown feld… \<%= f.select ???, options\_for\_select(??,??) %\> Kann mir da jemand … --- ## [Please explain find\_with\_ferret, retrieve\_records, :include and :conditions](https://www.ruby-forum.com/t/please-explain-find-with-ferret-retrieve-records-include-and-conditions/123101)
**Author:** [@Jean-Charles\_Carell](https://www.ruby-forum.com/u/Jean-Charles_Carell)\ **Replies:** 4\ **Last updated:** [December 18, 2007, 5:14pm UTC](https://www.ruby-forum.com/t/please-explain-find-with-ferret-retrieve-records-include-and-conditions/123101 "2007-12-18T17:14:06Z")
Hello, I’m using find\_with\_ferret to search multiple models and it works great. The trouble is I need to filter the results using :include and :conditions. I get two errors depending on the syntax I use in the search.… --- ## [Checkboxes validation](https://www.ruby-forum.com/t/checkboxes-validation/104364)
**Author:** [@georgeuoa](https://www.ruby-forum.com/u/georgeuoa)\ **Replies:** 4\ **Last updated:** [June 4, 2007, 8:12am UTC](https://www.ruby-forum.com/t/checkboxes-validation/104364 "2007-06-04T08:12:18Z")
Hi Guys i have this method for finding a list of items via check-boxes def selected conditions = \[\[\]\] params\[:result\].each do |result\_id| conditions.first \<\< ‘feature.uniquename=?’ conditions \<\< result\_id end … --- ## [Nuby - about date\_select, getting into DB](https://www.ruby-forum.com/t/nuby-about-date-select-getting-into-db/92965)
**Author:** [@sbeam](https://www.ruby-forum.com/u/sbeam)\ **Replies:** 4\ **Last updated:** [April 26, 2007, 10:58pm UTC](https://www.ruby-forum.com/t/nuby-about-date-select-getting-into-db/92965 "2007-04-26T22:58:38Z")
Hello Everyone, I am trying to use the date\_select() form helper method per AWDWROR. In the DB the column “entry\_date” is a datetime. So using the below form, in part ============ app/views/entry/index.rhtml === d… --- ## [Including title tags in \](https://www.ruby-forum.com/t/including-title-tags-in-r-link/85624)
**Author:** [@Sean\_Johnson](https://www.ruby-forum.com/u/Sean_Johnson)\ **Replies:** 4\ **Last updated:** [February 15, 2007, 12:27am UTC](https://www.ruby-forum.com/t/including-title-tags-in-r-link/85624 "2007-02-15T00:27:56Z")
Is it possible to include titles in the \ tag ? Any suggestions on how to make this work? Thanks all… -s --- ## [Where's my post?](https://www.ruby-forum.com/t/wheres-my-post/65409)
**Author:** [@shauna](https://www.ruby-forum.com/u/shauna)\ **Replies:** 4\ **Last updated:** [December 14, 2006, 10:08pm UTC](https://www.ruby-forum.com/t/wheres-my-post/65409 "2006-12-14T22:08:17Z")
I posted a question on this forum yesterday and followed it for awhile but there were no replies. When I checked again today the original post was gone altogether, and Search did not list it either. What gives? It was… --- ## [Odd result when attempting to use Mechanize in parallel with](https://www.ruby-forum.com/t/odd-result-when-attempting-to-use-mechanize-in-parallel-with/78643)
**Author:** [@croxmeister](https://www.ruby-forum.com/u/croxmeister)\ **Replies:** 4\ **Last updated:** [December 12, 2006, 10:21am UTC](https://www.ruby-forum.com/t/odd-result-when-attempting-to-use-mechanize-in-parallel-with/78643 "2006-12-12T10:21:39Z")
I wrote a simple tool to iterate a network to try and find web servers running on specific ports. We have a lot of devices & software with a web UI, and I thought that this would be a handy way to find them, and even … --- ## [Trying to use proxy on apache 2.0](https://www.ruby-forum.com/t/trying-to-use-proxy-on-apache-2-0/77860)
**Author:** [@Warner\_O](https://www.ruby-forum.com/u/Warner_O)\ **Replies:** 4\ **Last updated:** [December 1, 2006, 9:11pm UTC](https://www.ruby-forum.com/t/trying-to-use-proxy-on-apache-2-0/77860 "2006-12-01T21:11:33Z")
Hi all, After getting things setup I’m having some issues setting up the proxy stuff. Since I didn’t want to setup a virtual host for my blog I decided to set up my proxying like this: ProxyRequests Off \ O… --- ## [Can't install pg module in my application](https://www.ruby-forum.com/t/cant-install-pg-module-in-my-application/234037)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 5\ **Last updated:** [February 4, 2015, 5:31am UTC](https://www.ruby-forum.com/t/cant-install-pg-module-in-my-application/234037 "2015-02-04T05:31:18Z")
hello guys, i am trying to deploy my application on heroku but when i type gem install something wrong happens as you can see in the image attached in this topic. some of you can help me to find a way to fix this? t… --- ## [Commodo SSL](https://www.ruby-forum.com/t/commodo-ssl/240512)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [April 18, 2014, 4:30pm UTC](https://www.ruby-forum.com/t/commodo-ssl/240512 "2014-04-18T16:30:03Z")
Hello, i try to run HTTPS with a commodo ssl certificate. I use the follow tutorial: I has use cat to write one crt file. The configuration: listen 80; listen 443 ssl spdy; ssl on; ssl\_certificate /etc/nginx/key… --- ## [USRP and wsa5000](https://www.ruby-forum.com/t/usrp-and-wsa5000/237734)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [January 22, 2014, 7:18pm UTC](https://www.ruby-forum.com/t/usrp-and-wsa5000/237734 "2014-01-22T19:18:06Z")
Can we use usrp to recive IQ analog samples and clock from WSA5000 http://thinkrf.com/wsa5000/ and will be that usefull? --- ## [Trying to make make an array of all different combinations of a string and running into fibonacci](https://www.ruby-forum.com/t/trying-to-make-make-an-array-of-all-different-combinations-of-a-string-and-running-into-fibonacci/238186)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 5\ **Last updated:** [December 23, 2013, 11:39pm UTC](https://www.ruby-forum.com/t/trying-to-make-make-an-array-of-all-different-combinations-of-a-string-and-running-into-fibonacci/238186 "2013-12-23T23:39:11Z")
I am trying to make an array of all different combinations of a string. The minimum amount of chars in the output string must be two. # Example string. But what if string is n chars long though? s = "string" What I t… --- ## [Problem with rtl\_tcp](https://www.ruby-forum.com/t/problem-with-rtl-tcp/245863)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 5\ **Last updated:** [July 21, 2013, 5:16pm UTC](https://www.ruby-forum.com/t/problem-with-rtl-tcp/245863 "2013-07-21T17:16:17Z")
I hope this is the correct ng for posting this question… I’ve a big problem with rtl\_tcp: I’ve tryed with a clean ubuntu installation too… I’ve no more ideas… Any suggestion? --- ## [Ruby link grabber](https://www.ruby-forum.com/t/ruby-link-grabber/235643)
**Author:** [@alcina](https://www.ruby-forum.com/u/alcina)\ **Replies:** 5\ **Last updated:** [July 5, 2013, 2:22pm UTC](https://www.ruby-forum.com/t/ruby-link-grabber/235643 "2013-07-05T14:22:32Z")
Hey guys i wanted to write a ruby code to grab all links from html code so i writed this : require “socket” puts “#Host Grabber scripted by Alphax09#\\n” puts “\[\]Host : " host = gets().chomp() if host\[0,5\] == “http:… --- ## [RuntimeError: No USRPs found on interface eth0](https://www.ruby-forum.com/t/runtimeerror-no-usrps-found-on-interface-eth0/209789)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [November 16, 2011, 8:37am UTC](https://www.ruby-forum.com/t/runtimeerror-no-usrps-found-on-interface-eth0/209789 "2011-11-16T08:37:25Z")
Hello, I am using USRP2 with a EEE PC (1015PX) which has ubuntu 11.04 on it. Since the USRP2 communicates only gigabit, I bought a Linksys SE2800 Gigabit Ethernet switch and connected the USRP2 via the Ethernet Switc… --- ## [Use already instanciated Java class in Jirb](https://www.ruby-forum.com/t/use-already-instanciated-java-class-in-jirb/212264)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 5\ **Last updated:** [October 4, 2011, 4:22pm UTC](https://www.ruby-forum.com/t/use-already-instanciated-java-class-in-jirb/212264 "2011-10-04T16:22:45Z")
Hi! I’m trying to integrate the JRuby console JIRB, inside an existing JFrame based application. It works correctly and I can instanciate and use Java classes, from “irb\>” console. Now I am trying use an application… --- ## [\[ANN\] java-inline 0.0.3, with Duby support](https://www.ruby-forum.com/t/ann-java-inline-0-0-3-with-duby-support/181760)
**Author:** [@headius](https://www.ruby-forum.com/u/headius)\ **Replies:** 5\ **Last updated:** [August 15, 2011, 1:09am UTC](https://www.ruby-forum.com/t/ann-java-inline-0-0-3-with-duby-support/181760 "2011-08-15T01:09:20Z")
Just released java-inline 0.0.3, which now supports Duby as well. Install the duby gem separately. Here’s an example from the project: dubymath.rb · GitHub Have fun! Charlie To unsubscribe from this list, please v… --- ## [Storing connection objects in rails session](https://www.ruby-forum.com/t/storing-connection-objects-in-rails-session/181104)
**Author:** [@maartenm](https://www.ruby-forum.com/u/maartenm)\ **Replies:** 5\ **Last updated:** [January 29, 2010, 12:01am UTC](https://www.ruby-forum.com/t/storing-connection-objects-in-rails-session/181104 "2010-01-29T00:01:16Z")
Hello, I am developing a JRuby on Rails project. I communicate with a backend that delivers me some .jar files which I can use to initiate connections, and call Java routines. Basically, I receive an Application ob… --- ## [Recherche Gem pour Google Apps / Email](https://www.ruby-forum.com/t/recherche-gem-pour-google-apps-email/182290)
**Author:** [@Alexis\_P](https://www.ruby-forum.com/u/Alexis_P)\ **Replies:** 5\ **Last updated:** [January 26, 2010, 5:30pm UTC](https://www.ruby-forum.com/t/recherche-gem-pour-google-apps-email/182290 "2010-01-26T17:30:44Z")
Bonjour J’ai une application, qameha.net, qui envoie et reçoit des emails. Les utilisateurs peuvent créer des adresses emails sur leur compte (ex: removed\_email\_address@domain.invalid) J’ai installé un serveur de mai… --- ## [Bug adapter firebird 2.1.2?](https://www.ruby-forum.com/t/bug-adapter-firebird-2-1-2/168238)
**Author:** [@mariarosaria](https://www.ruby-forum.com/u/mariarosaria)\ **Replies:** 5\ **Last updated:** [May 25, 2009, 8:41am UTC](https://www.ruby-forum.com/t/bug-adapter-firebird-2-1-2/168238 "2009-05-25T08:41:28Z")
mydb.fdb on windows firebird 2.0.3.12981 step\_1 gbak.exe -v -t -user sysdba -password \*\*\*\*\*\* 127.0.0.1/3050:D:\\webdb \\PROD\\mydb…fdb D:\\webdb\\back\\mydb.fbk on server linux firebird 2.1.2.18118 step\_2 linux-server:# … --- ## [Encyclopedia Construction (#205)](https://www.ruby-forum.com/t/encyclopedia-construction-205/168091)
**Author:** [@danmcb](https://www.ruby-forum.com/u/danmcb)\ **Replies:** 5\ **Last updated:** [May 24, 2009, 8:32pm UTC](https://www.ruby-forum.com/t/encyclopedia-construction-205/168091 "2009-05-24T20:32:25Z")
\-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- The three rules of Ruby Q.: Please do not post any solutions or spoiler discussion for this quiz until 48 hours have elapsed from the time this m… --- ## [Auto test?](https://www.ruby-forum.com/t/auto-test/168377)
**Author:** [@manoah](https://www.ruby-forum.com/u/manoah)\ **Replies:** 5\ **Last updated:** [May 20, 2009, 12:35pm UTC](https://www.ruby-forum.com/t/auto-test/168377 "2009-05-20T12:35:56Z")
I am new to rspec I am using ZenTest gem. I ran the autospec from the root directory. I am getting the below error. c:/ruby/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:190:in expand\_path': couldn't find HOM… [Previous page](https://www.ruby-forum.com/top.md?page=792&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=794&per_page=50)