# Top

**URL:** https://www.ruby-forum.com/top.md?page=752

[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:** 753

---

## [Premature end of script headers: dispatch.cgi](https://www.ruby-forum.com/t/premature-end-of-script-headers-dispatch-cgi/55546)

<div class="topic-metadata">

**Author:** [@Nas](https://www.ruby-forum.com/u/Nas)\
**Replies:** 7\
**Last updated:** [March 23, 2006, 4:36pm UTC](https://www.ruby-forum.com/t/premature-end-of-script-headers-dispatch-cgi/55546 "2006-03-23T16:36:57Z")

</div>

Hi I am running ruby 1.8.4 and rails 1.0.0 with Apache 2. I made a simple rails application called demo and also created a controller called say and an action called hello which is working fine using webrick. To run …

---

## [Rails e real time](https://www.ruby-forum.com/t/rails-e-real-time/244931)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [July 12, 2016, 1:32pm UTC](https://www.ruby-forum.com/t/rails-e-real-time/244931 "2016-07-12T13:32:20Z")

</div>

Salve ragazzi, sto sperimentando delle API in Rails 4 per degli applicativi mobile scritti in react native e una web app in React. Tutto molto semplice fino a quando non volevo implementare il real time per alcuni co…

---

## [Redirect www to no-www with variable (for multiple domains)?](https://www.ruby-forum.com/t/redirect-www-to-no-www-with-variable-for-multiple-domains/245718)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 6\
**Last updated:** [July 8, 2013, 11:48pm UTC](https://www.ruby-forum.com/t/redirect-www-to-no-www-with-variable-for-multiple-domains/245718 "2013-07-08T23:48:00Z")

</div>

According to Pitfalls and Common Mistakes | NGINX this is the best solution to redirect www to no-www for one domain: server { server\_name www.domain.com; return 301 $scheme://domain.com$request\_uri; } server { se…

---

## [Where does Ruby look to load files?](https://www.ruby-forum.com/t/where-does-ruby-look-to-load-files/235166)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 6\
**Last updated:** [June 4, 2013, 1:11am UTC](https://www.ruby-forum.com/t/where-does-ruby-look-to-load-files/235166 "2013-06-04T01:11:41Z")

</div>

Can someone explain what changed from 1.9.1 to 1.9.2 with regards to where Ruby finds or resolves other required .rb files? Also there must have also been some changes from 1.9.2 to 1.9.3. I have a lot of .rb files in…

---

## [Molti problemi in ruby](https://www.ruby-forum.com/t/molti-problemi-in-ruby/210120)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 6\
**Last updated:** [August 2, 2011, 1:12pm UTC](https://www.ruby-forum.com/t/molti-problemi-in-ruby/210120 "2011-08-02T13:12:20Z")

</div>

Premetto che in ruby conosce le basi, i miei problemi sono le risorse esterne, ho molti problemi riguardo rubygems, active support, sdl (per i giochi), opengl per ruby, hpricot, nessuna di queste accennate mi funziona…

---

## [(string).end\_with? not giving me desire result](https://www.ruby-forum.com/t/string-end-with-not-giving-me-desire-result/209392)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 6\
**Last updated:** [July 13, 2011, 12:01pm UTC](https://www.ruby-forum.com/t/string-end-with-not-giving-me-desire-result/209392 "2011-07-13T12:01:16Z")

</div>

Hello All, I written small function which will check whether string is ending with number or not. Below is my code but I’m not getting the desire result. def check\_dot\_num(x) #puts “Dot name is : #{x}” if “#{x}”.in…

---

## ["Curiosa" interacciÃ³n entre permalink \_fu y los campos tipo datetime](https://www.ruby-forum.com/t/curiosa-interaccia-n-entre-permalink-fu-y-los-campos-tipo-datetime/166050)

<div class="topic-metadata">

**Author:** [@lmcdougal](https://www.ruby-forum.com/u/lmcdougal)\
**Replies:** 6\
**Last updated:** [April 24, 2009, 2:12pm UTC](https://www.ruby-forum.com/t/curiosa-interaccia-n-entre-permalink-fu-y-los-campos-tipo-datetime/166050 "2009-04-24T14:12:36Z")

</div>

Buenas. He observado en mi aplicaciÃ³n que aunque hay modelos que si intento acceder a un atributo de tipo datetime me devuelven la fecha local, tal y como espero: Comment.find(:last).created\_at =\> Tue, 21 Apr 20…

---

## [Some optimization hacks: your opinion?](https://www.ruby-forum.com/t/some-optimization-hacks-your-opinion/153154)

<div class="topic-metadata">

**Author:** [@Enrico\_Thierbach](https://www.ruby-forum.com/u/Enrico_Thierbach)\
**Replies:** 6\
**Last updated:** [November 13, 2008, 4:48pm UTC](https://www.ruby-forum.com/t/some-optimization-hacks-your-opinion/153154 "2008-11-13T16:48:12Z")

</div>

Hi everyone, I found and tried two optimization hacks; however, I don’t feel too comfortable with them. Therefore I would appreciate your opinion: Caching proc objects, i.e. class Symbol def to\_proc @to\_proc ||= …

---

## [Date additon / subtraction - just the basics](https://www.ruby-forum.com/t/date-additon-subtraction-just-the-basics/84904)

<div class="topic-metadata">

**Author:** [@canner](https://www.ruby-forum.com/u/canner)\
**Replies:** 6\
**Last updated:** [February 8, 2007, 5:14pm UTC](https://www.ruby-forum.com/t/date-additon-subtraction-just-the-basics/84904 "2007-02-08T17:14:23Z")

</div>

How do you manipulate dates? I take a string x = “2/4/2007”.to\_date then I want to add 5 days to it returning “2/9/2007” as a date I could just pull it apart and add the days to it, but if it should switch the month …

---

## [Using the SaveAs in Excel not working with Ruby](https://www.ruby-forum.com/t/using-the-saveas-in-excel-not-working-with-ruby/79142)

<div class="topic-metadata">

**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 6\
**Last updated:** [December 12, 2006, 10:00pm UTC](https://www.ruby-forum.com/t/using-the-saveas-in-excel-not-working-with-ruby/79142 "2006-12-12T22:00:43Z")

</div>

Hi; I need to save an Excel Spreadsheet with Ruby. I used the Save AND SaveAs methods, but each time I get prompted “Do you want to save the changes you made…” How can I save the workbook without this prompt. In addi…

---

## [Multiples bases de datos con un fichero database.yml](https://www.ruby-forum.com/t/multiples-bases-de-datos-con-un-fichero-database-yml/71350)

<div class="topic-metadata">

**Author:** [@alarkspur](https://www.ruby-forum.com/u/alarkspur)\
**Replies:** 6\
**Last updated:** [October 9, 2006, 9:18pm UTC](https://www.ruby-forum.com/t/multiples-bases-de-datos-con-un-fichero-database-yml/71350 "2006-10-09T21:18:40Z")

</div>

Hola Esto es mas una curiosidad que me asalto ayer mientras estaba trasteando con el fichero database.yml. Mi pregunta es si desde una misma aplicación y dependiendo del usuario que se conectase a ella, ver si se pod…

---

## [A interesting obervation about object\_id method](https://www.ruby-forum.com/t/a-interesting-obervation-about-object-id-method/50814)

<div class="topic-metadata">

**Author:** [@Hank\_G](https://www.ruby-forum.com/u/Hank_G)\
**Replies:** 6\
**Last updated:** [December 21, 2005, 1:18pm UTC](https://www.ruby-forum.com/t/a-interesting-obervation-about-object-id-method/50814 "2005-12-21T13:18:23Z")

</div>

\#integer puts “For number” a=1 b=a puts a.object\_id puts b.object\_id b=2 puts b.object\_id b=1 puts b.object\_id For number 3 3 5 3 #You can see that: 1) for the same integer, the object\_id is the same 2…

---

## [How to remove (and resuse) all existing constraints from ActiveRecord::Relation](https://www.ruby-forum.com/t/how-to-remove-and-resuse-all-existing-constraints-from-activerecord-relation/233606)

<div class="topic-metadata">

**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Replies:** 4\
**Last updated:** [December 29, 2014, 10:05pm UTC](https://www.ruby-forum.com/t/how-to-remove-and-resuse-all-existing-constraints-from-activerecord-relation/233606 "2014-12-29T22:05:32Z")

</div>

I’d like to remove all existing constraints from an ActiveRecord::Relation and leave the rest in-tact. I am not looking for #unscoped since I would like to keep any joins/order clauses around. Additionally, I would…

---

## [Watir-webdriver blocklist message](https://www.ruby-forum.com/t/watir-webdriver-blocklist-message/224727)

<div class="topic-metadata">

**Author:** [@aris](https://www.ruby-forum.com/u/aris)\
**Replies:** 4\
**Last updated:** [November 24, 2012, 11:19pm UTC](https://www.ruby-forum.com/t/watir-webdriver-blocklist-message/224727 "2012-11-24T23:19:39Z")

</div>

When I load watir-webdriver I’m getting a message I’ve never seen before: “Blocklist::\_loadBlocklistFromFile: blocklist is disabled” Apart from that message it appears to be loading normally. I believe that this is r…

---

## [Jruby can't see iso8601 method](https://www.ruby-forum.com/t/jruby-cant-see-iso8601-method/214952)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [December 16, 2011, 5:19pm UTC](https://www.ruby-forum.com/t/jruby-cant-see-iso8601-method/214952 "2011-12-16T17:19:40Z")

</div>

I’m getting really strange behaviour in my JRuby process where methods just go missing. Here’s a pastebin showing an invocation of iso8601 throwing a NoMethodError. Does anyone have any idea what’s going on here? v…

---

## [E100 frustrated newbie questions](https://www.ruby-forum.com/t/e100-frustrated-newbie-questions/203111)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 4\
**Last updated:** [February 16, 2011, 10:19am UTC](https://www.ruby-forum.com/t/e100-frustrated-newbie-questions/203111 "2011-02-16T10:19:44Z")

</div>

Hi All, I’ve now had the E100 with WBX for about a week and I feel like I am going around in circles! I’ve run the UHD examples and the non-USRP examples because of course the python examples have not caught up with …

---

## [Using Warbler for Multiple deploys?](https://www.ruby-forum.com/t/using-warbler-for-multiple-deploys/176578)

<div class="topic-metadata">

**Author:** [@homerlex](https://www.ruby-forum.com/u/homerlex)\
**Replies:** 4\
**Last updated:** [October 2, 2009, 7:19pm UTC](https://www.ruby-forum.com/t/using-warbler-for-multiple-deploys/176578 "2009-10-02T19:19:41Z")

</div>

I am using Warbler to create my Rails app war from within Netbeans. I currently have a static web.xml in my config that gets included in the war. I’d like to be able to have different web.xml files for different envi…

---

## [Evitar que usuario postee un comentario en blanco](https://www.ruby-forum.com/t/evitar-que-usuario-postee-un-comentario-en-blanco/170385)

<div class="topic-metadata">

**Author:** [@frankaiser](https://www.ruby-forum.com/u/frankaiser)\
**Replies:** 4\
**Last updated:** [June 18, 2009, 9:51am UTC](https://www.ruby-forum.com/t/evitar-que-usuario-postee-un-comentario-en-blanco/170385 "2009-06-18T09:51:34Z")

</div>

Saludos foreros Raileros… aun estoy aprendiendo Rails, pero he descubierto una herramienta grandiosa… tengo una duda que espero alguien me ayude a resolver: tengo una vista en la que se despliegan contenidos individua…

---

## [\[ANN\] DiacriticsFu 1.0.1 released](https://www.ruby-forum.com/t/ann-diacriticsfu-1-0-1-released/154995)

<div class="topic-metadata">

**Author:** [@thbar](https://www.ruby-forum.com/u/thbar)\
**Replies:** 4\
**Last updated:** [December 10, 2008, 12:07pm UTC](https://www.ruby-forum.com/t/ann-diacriticsfu-1-0-1-released/154995 "2008-12-10T12:07:33Z")

</div>

Hi, DiacriticsFu is a gem that relies on ActiveSupport to remove accents and other diacritics from a string. I use it when I need to generate urls on non-english-speaking CMS or blogs. Release 1.0.1 brings support fo…

---

## [Need help to install "linguistics" gem](https://www.ruby-forum.com/t/need-help-to-install-linguistics-gem/151123)

<div class="topic-metadata">

**Author:** [@Hunt\_J](https://www.ruby-forum.com/u/Hunt_J)\
**Replies:** 4\
**Last updated:** [October 17, 2008, 8:02am UTC](https://www.ruby-forum.com/t/need-help-to-install-linguistics-gem/151123 "2008-10-17T08:02:11Z")

</div>

Hi, I have a problem with installing gem: linguistics. sudo gem install linguistics Gave me “not found” error. So I googled and found the source here. The gem seems to be located at http://www.deveiate.org/code/Lin…

---

## [%F2 in URLs after upgrade](https://www.ruby-forum.com/t/f2-in-urls-after-upgrade/145889)

<div class="topic-metadata">

**Author:** [@tom](https://www.ruby-forum.com/u/tom)\
**Replies:** 4\
**Last updated:** [August 14, 2008, 8:28pm UTC](https://www.ruby-forum.com/t/f2-in-urls-after-upgrade/145889 "2008-08-14T20:28:54Z")

</div>

Hi All, I recently upgraded a rails app to 2.0.2 and I’m having an issue when I build URLs to edit specific items. It seems I’m getting %2F instead of the slash and this causes the controller to not recognize the act…

---

## [How to I set Typo's Blog URL to be relative?](https://www.ruby-forum.com/t/how-to-i-set-typos-blog-url-to-be-relative/104941)

<div class="topic-metadata">

**Author:** [@thebytefactory](https://www.ruby-forum.com/u/thebytefactory)\
**Replies:** 4\
**Last updated:** [May 24, 2007, 5:11pm UTC](https://www.ruby-forum.com/t/how-to-i-set-typos-blog-url-to-be-relative/104941 "2007-05-24T17:11:29Z")

</div>

Hi all, I’m running Typo 4.1.1 on my own server, but because of my modem (Actiontec is really bad), I have to access my blog using the private IP address of the server if I’m behind the modem, and my public IP addres…

---

## [Indexed Search Engine & Boolean Search](https://www.ruby-forum.com/t/indexed-search-engine-boolean-search/54626)

<div class="topic-metadata">

**Author:** [@piers](https://www.ruby-forum.com/u/piers)\
**Replies:** 4\
**Last updated:** [March 13, 2006, 1:20pm UTC](https://www.ruby-forum.com/t/indexed-search-engine-boolean-search/54626 "2006-03-13T13:20:52Z")

</div>

Hi I’ve got the Indexed Search engine up and running, but it currently returns results for all items matching any of the terms in the search field. I was wondering if anyone knew whether there’s a switch I’m missing …

---

## [How to pass the selected value to controller through 'link\_to'?](https://www.ruby-forum.com/t/how-to-pass-the-selected-value-to-controller-through-link-to/219365)

<div class="topic-metadata">

**Author:** [@Gurdipe\_D](https://www.ruby-forum.com/u/Gurdipe_D)\
**Replies:** 2\
**Last updated:** [April 30, 2012, 10:55pm UTC](https://www.ruby-forum.com/t/how-to-pass-the-selected-value-to-controller-through-link-to/219365 "2012-04-30T22:55:36Z")

</div>

Hello, guys. I’m searching for days, but I’m not finding a way to do this. How can I pass like an argument by ‘link\_to’ the selected value of a selected\_tag? Like this: \<%= select\_tag ‘cities’, options\_from\_collectio…

---

## [setInterval for an action](https://www.ruby-forum.com/t/setinterval-for-an-action/209558)

<div class="topic-metadata">

**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Replies:** 2\
**Last updated:** [July 18, 2011, 9:42am UTC](https://www.ruby-forum.com/t/setinterval-for-an-action/209558 "2011-07-18T09:42:18Z")

</div>

Hi, I went to http://snippets.dzone.com/posts/show/3807 and wanted to set an interval for an action Can someone tell how to use it?

---

## [Trouble installing acts\_as\_taggable\_on\_steroids](https://www.ruby-forum.com/t/trouble-installing-acts-as-taggable-on-steroids/179334)

<div class="topic-metadata">

**Author:** [@ahead](https://www.ruby-forum.com/u/ahead)\
**Replies:** 2\
**Last updated:** [November 27, 2009, 12:49pm UTC](https://www.ruby-forum.com/t/trouble-installing-acts-as-taggable-on-steroids/179334 "2009-11-27T12:49:53Z")

</div>

Hi, I get this error when trying to install the plugin. Can anybody help? $ ruby -d script/plugin install git://github.com/jviney/acts\_as\_taggable\_on\_steroids.git Exception LoadError' at /Library/Ruby/Site/1.8/rubyge…

---

## [Ruby gives some warning](https://www.ruby-forum.com/t/ruby-gives-some-warning/156473)

<div class="topic-metadata">

**Author:** [@alby](https://www.ruby-forum.com/u/alby)\
**Replies:** 2\
**Last updated:** [December 29, 2008, 10:55am UTC](https://www.ruby-forum.com/t/ruby-gives-some-warning/156473 "2008-12-29T10:55:39Z")

</div>

(I’m using Ruby 1.8.6.) The following expression… rand(rand 3) …makes ruby emit a warning: “warning: parenthesize argument(s) for future version” It seems that I have to write is as “rand(rand(3))”. Why? What potent…

---

## [\[ANN\]Freies deutschsprachiges Buch zu Ruby on Rails 2.0](https://www.ruby-forum.com/t/ann-freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/123695)

<div class="topic-metadata">

**Author:** [@Kaan\_KSRUG](https://www.ruby-forum.com/u/Kaan_KSRUG)\
**Replies:** 2\
**Last updated:** [December 20, 2007, 6:01pm UTC](https://www.ruby-forum.com/t/ann-freies-deutschsprachiges-buch-zu-ruby-on-rails-2-0/123695 "2007-12-20T18:01:20Z")

</div>

Hallo, wir haben ein freies deutschsprachiges Buch Ã¼ber Ruby on Rails verÃ¶ffentlicht. Es soll eine Art Weihnachtsgeschenk fÃ¼r die Community sein :slight\_smile: Details findet ihr unter: http://www.rubyonrails.de/…

---

## [Multiple index instances and ferret/acts\_as\_ferret](https://www.ruby-forum.com/t/multiple-index-instances-and-ferret-acts-as-ferret/116888)

<div class="topic-metadata">

**Author:** [@Patrick\_Wright](https://www.ruby-forum.com/u/Patrick_Wright)\
**Replies:** 2\
**Last updated:** [October 16, 2007, 11:20am UTC](https://www.ruby-forum.com/t/multiple-index-instances-and-ferret-acts-as-ferret/116888 "2007-10-16T11:20:46Z")

</div>

We’re running Ferret and acts\_as\_ferret in our production environment. We have multiple mongrels talking to a single index on a separate (virtual) server over DRb. This is working ok for now, as our index updates are …

---

## [Test::Unit assert\_throws](https://www.ruby-forum.com/t/test-unit-assert-throws/51493)

<div class="topic-metadata">

**Author:** [@asplake](https://www.ruby-forum.com/u/asplake)\
**Replies:** 2\
**Last updated:** [January 2, 2006, 8:35am UTC](https://www.ruby-forum.com/t/test-unit-assert-throws/51493 "2006-01-02T08:35:43Z")

</div>

Hi, Any good examples out there (I couldn’t find any) of assert\_throws? I would love to know also why its first argument is a symbol… Thanks Mike

---

## [Read files on a remote server](https://www.ruby-forum.com/t/read-files-on-a-remote-server/244074)

<div class="topic-metadata">

**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Replies:** 0\
**Last updated:** [February 16, 2016, 12:34am UTC](https://www.ruby-forum.com/t/read-files-on-a-remote-server/244074 "2016-02-16T00:34:56Z")

</div>

Hi all, I’m pretty much new to Ruby world and trying to write a program to read files on a remote server and parse them locally. I don’t see examples online running Methods or Modules using SSH. Can anyone please pro…

---

## [Use a return code for ngx\_http\_close\_request()](https://www.ruby-forum.com/t/use-a-return-code-for-ngx-http-close-request/230642)

<div class="topic-metadata">

**Author:** [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Replies:** 3\
**Last updated:** [June 28, 2014, 12:54pm UTC](https://www.ruby-forum.com/t/use-a-return-code-for-ngx-http-close-request/230642 "2014-06-28T12:54:28Z")

</div>

Hello, here is another path still on ngx\_http\_request.c. In function ngx\_http\_close\_request(), the second parameter is an error code. This error code is used in ngx\_http\_free\_request() to set the HTTP status code i…

---

## [RubyZip zip file creation works on localhost but not heroku](https://www.ruby-forum.com/t/rubyzip-zip-file-creation-works-on-localhost-but-not-heroku/238563)

<div class="topic-metadata">

**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Replies:** 3\
**Last updated:** [January 17, 2014, 3:29pm UTC](https://www.ruby-forum.com/t/rubyzip-zip-file-creation-works-on-localhost-but-not-heroku/238563 "2014-01-17T15:29:11Z")

</div>

I have rubyzip 0.9.9 and am creating a zip file like so: Zip::ZipFile.open(zip\_path, Zip::ZipFile::CREATE) do |zipfile| #code goes here end When I give it a zip path like this: zip\_path = File.join(Rails.root, “/tm…

---

## [Username mapping for imap/pop](https://www.ruby-forum.com/t/username-mapping-for-imap-pop/238472)

<div class="topic-metadata">

**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\
**Replies:** 3\
**Last updated:** [January 14, 2014, 10:56pm UTC](https://www.ruby-forum.com/t/username-mapping-for-imap-pop/238472 "2014-01-14T22:56:04Z")

</div>

I need to map from username to login name where I wish to map from just username to removed\_email\_address@domain.invalid for gmail and windomain\\username for an exchange server. Is there a way for me to build in hooks…

---

## [New to Ruby, need install advice](https://www.ruby-forum.com/t/new-to-ruby-need-install-advice/219223)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [May 12, 2012, 10:51pm UTC](https://www.ruby-forum.com/t/new-to-ruby-need-install-advice/219223 "2012-05-12T22:51:38Z")

</div>

I’m hoping I can get some advice on Ruby installs, as I sit a bit confused at this point. I’ve decided to learn Ruby to increased my job potential/value, and because I’ve heard Ruby/Python (both of which I intend to l…

---

## [Blog creation](https://www.ruby-forum.com/t/blog-creation/210870)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [November 27, 2011, 8:45am UTC](https://www.ruby-forum.com/t/blog-creation/210870 "2011-11-27T08:45:57Z")

</div>

hi all, i am tryin to develop a blog in rails3…that should have all the basic functionalities of blog like \*creating a article \*,posting ,\*comments \*can anybody help me with this to start from the scratch… is there an…

---

## [Status of GNU Radio on Mac OS X](https://www.ruby-forum.com/t/status-of-gnu-radio-on-mac-os-x/212158)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [September 26, 2011, 12:43am UTC](https://www.ruby-forum.com/t/status-of-gnu-radio-on-mac-os-x/212158 "2011-09-26T00:43:57Z")

</div>

If you use MacPorts under Mac OS X 10.5, .6, or .7, “sudo port install gnuradio” should work as of this morning for installing all of the background dependencies (and, version GR 3.3.0 from the tarball if that’s good …

---

## [Ruby output formater](https://www.ruby-forum.com/t/ruby-output-formater/209592)

<div class="topic-metadata">

**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Replies:** 8\
**Last updated:** [July 18, 2011, 3:19pm UTC](https://www.ruby-forum.com/t/ruby-output-formater/209592 "2011-07-18T15:19:20Z")

</div>

Hello, I need to display number in 3 digit instead by defaul digit. e.g. val = 5 puts “#{val}” will give me answer as 5 but need to display output in 3 digit only like 005. Can anyone suggest me solution for this. …

---

## [Flux RSS Ã  suivre](https://www.ruby-forum.com/t/flux-rss-a-suivre/185139)

<div class="topic-metadata">

**Author:** [@camilleroux](https://www.ruby-forum.com/u/camilleroux)\
**Replies:** 3\
**Last updated:** [March 15, 2010, 1:59pm UTC](https://www.ruby-forum.com/t/flux-rss-a-suivre/185139 "2010-03-15T13:59:01Z")

</div>

Salut Ã tous, Je viens de faire un article proposant une liste de sites que j’utilise pour faire ma veille sur Ruby : Avez-vous d’autres sites Ã me proposer? Merci! Camille R.

---

## [File.exists? performance](https://www.ruby-forum.com/t/file-exists-performance/175910)

<div class="topic-metadata">

**Author:** [@arvias](https://www.ruby-forum.com/u/arvias)\
**Replies:** 3\
**Last updated:** [September 23, 2009, 3:20am UTC](https://www.ruby-forum.com/t/file-exists-performance/175910 "2009-09-23T03:20:22Z")

</div>

Hi. How CPU intensive is File.exists? ? I am thinking of adding theme support in my rails project. I want it to check if theme image exists and if it doesn’t display a default one. This would mean a File.exists? for …

---

## [ActionMailer and url\_for in helper methods](https://www.ruby-forum.com/t/actionmailer-and-url-for-in-helper-methods/158058)

<div class="topic-metadata">

**Author:** [@chuboy](https://www.ruby-forum.com/u/chuboy)\
**Replies:** 3\
**Last updated:** [January 19, 2009, 11:36pm UTC](https://www.ruby-forum.com/t/actionmailer-and-url-for-in-helper-methods/158058 "2009-01-19T23:36:54Z")

</div>

Hi, I was wondering how to get url\_for to work inside ActionMailer. I did research on the web but I can’t seem to find something that fits what I need. In my application, each user can specify their custom domain to…

---

## [Prawn: New PDF-Kid on the block](https://www.ruby-forum.com/t/prawn-new-pdf-kid-on-the-block/145169)

<div class="topic-metadata">

**Author:** [@mrkohrea](https://www.ruby-forum.com/u/mrkohrea)\
**Replies:** 3\
**Last updated:** [August 7, 2008, 12:45am UTC](https://www.ruby-forum.com/t/prawn-new-pdf-kid-on-the-block/145169 "2008-08-07T00:45:18Z")

</div>

Hallo, ich nehme mal an, daÃŸ ich nicht der einzige bin, der ab und zu mit der Aufgabe zu tun hat, PDFs zu erzeugen. Ich bin gerade Ã¼ber diesen Blogeintrag http://www.rubyinside.com/prawn-ruby-pdf-library-987.html Ã…

---

## [Beagleboard](https://www.ruby-forum.com/t/beagleboard/144744)

<div class="topic-metadata">

**Author:** [@ericrchr](https://www.ruby-forum.com/u/ericrchr)\
**Replies:** 8\
**Last updated:** [August 5, 2008, 4:02pm UTC](https://www.ruby-forum.com/t/beagleboard/144744 "2008-08-05T16:02:32Z")

</div>

Hello, There was some interest on this list earlier about the Beagleboard, a small OMAP3 based board. I just got one from Digi-key and it is small! Besides the GNURadio aspects this may be a good board for ham radio …

---

## [ActionMailer e undefined method \`delete'](https://www.ruby-forum.com/t/actionmailer-e-undefined-method-delete/118820)

<div class="topic-metadata">

**Author:** [@cruentatio](https://www.ruby-forum.com/u/cruentatio)\
**Replies:** 8\
**Last updated:** [April 2, 2008, 2:57pm UTC](https://www.ruby-forum.com/t/actionmailer-e-undefined-method-delete/118820 "2008-04-02T14:57:10Z")

</div>

Ciao a tutti, stavo provando ad usare ActionMailer, ma anche dopo aver configurato tutto correttamente, eseguo un controller di test semplice: class TestController \< ApplicationController def ship\_order order = Order…

---

## [Ordering column "name" in the List view](https://www.ruby-forum.com/t/ordering-column-name-in-the-list-view/85252)

<div class="topic-metadata">

**Author:** [@ebrad](https://www.ruby-forum.com/u/ebrad)\
**Replies:** 8\
**Last updated:** [March 21, 2007, 6:30pm UTC](https://www.ruby-forum.com/t/ordering-column-name-in-the-list-view/85252 "2007-03-21T18:30:03Z")

</div>

Hello, I am very new to RoR and am learning at a fairly good pace, but a seemingly simple task is leaving me stuck. I have a DB table called ‘workers’ and fields for ‘first\_name’ and ‘last\_name’ need to be combined i…

---

## ["Materialized Paths" Hierarchies and Rails](https://www.ruby-forum.com/t/materialized-paths-hierarchies-and-rails/79566)

<div class="topic-metadata">

**Author:** [@dcarneiro](https://www.ruby-forum.com/u/dcarneiro)\
**Replies:** 3\
**Last updated:** [December 19, 2006, 4:32am UTC](https://www.ruby-forum.com/t/materialized-paths-hierarchies-and-rails/79566 "2006-12-19T04:32:58Z")

</div>

Folks, I’ve done some cursory googling and seen nothing promising. . . I’m interested in implementing an “acts\_as\_materialized\_path” plugin, which offers a way to model hierarchies in a way that can have significant …

---

## [Streaming Spreadsheet in Ruby](https://www.ruby-forum.com/t/streaming-spreadsheet-in-ruby/76949)

<div class="topic-metadata">

**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\
**Replies:** 8\
**Last updated:** [November 24, 2006, 3:58am UTC](https://www.ruby-forum.com/t/streaming-spreadsheet-in-ruby/76949 "2006-11-24T03:58:10Z")

</div>

(This posting can be ignored unless you live-or-die by a \*nix command line.) http://rubyforge.org/projects/sss/ On the other hand, have you ever wanted to do some quick math on a CSV without waiting to launch Exc…

---

## [AJAX/RJS issue: observe\_form not passing in form params](https://www.ruby-forum.com/t/ajax-rjs-issue-observe-form-not-passing-in-form-params/68969)

<div class="topic-metadata">

**Author:** [@yardboy](https://www.ruby-forum.com/u/yardboy)\
**Replies:** 3\
**Last updated:** [October 24, 2006, 1:04pm UTC](https://www.ruby-forum.com/t/ajax-rjs-issue-observe-form-not-passing-in-form-params/68969 "2006-10-24T13:04:45Z")

</div>

I’m having a problem with an AJAX form. I currently have a working version as follows: In my \_picker.rhtml partial I have: \<%= observe\_form “picker\_form”, :update =\> “frame\_picker” , :loading\_text =\> “Retrieving pric…

---

## [GetText: Works with en\_GB and en\_US, but doesn't with de\_DE!](https://www.ruby-forum.com/t/gettext-works-with-en-gb-and-en-us-but-doesnt-with-de-de/52148)

<div class="topic-metadata">

**Author:** [@josh](https://www.ruby-forum.com/u/josh)\
**Replies:** 8\
**Last updated:** [February 9, 2006, 3:42pm UTC](https://www.ruby-forum.com/t/gettext-works-with-en-gb-and-en-us-but-doesnt-with-de-de/52148 "2006-02-09T15:42:41Z")

</div>

Hi all I’m trying to get GetText to work. I have the following folder structure: |-myapp.pot |-de\_DE/: | -myapp.po |-en\_GB/: |-myapp.po |-en\_US/: -myapp.po I run rake updatepo, and then rake makemo. Now I set…

---

## [Exposing id'd](https://www.ruby-forum.com/t/exposing-idd/94664)

<div class="topic-metadata">

**Author:** [@reevesg](https://www.ruby-forum.com/u/reevesg)\
**Replies:** 8\
**Last updated:** [January 8, 2006, 7:11am UTC](https://www.ruby-forum.com/t/exposing-idd/94664 "2006-01-08T07:11:05Z")

</div>

I have been working on a small app that started with some scaffolding. Some of my actions still have the structure where the id’s of things are passed on the url for gets. Whats the best way to avoid the security prob…

[Previous page](https://www.ruby-forum.com/top.md?page=751&per_page=50)

[Next page](https://www.ruby-forum.com/top.md?page=753&per_page=50)
