# Top **URL:** https://www.ruby-forum.com/top.md?page=1615 [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:** 1616 --- ## [Re: Thanks Ruby Quiz!](https://www.ruby-forum.com/t/re-thanks-ruby-quiz/60180)
**Author:** [@DebaunS\_Steve\_SSemi](https://www.ruby-forum.com/u/DebaunS_Steve_SSemi)\ **Replies:** 4\ **Last updated:** [May 11, 2006, 1:31am UTC](https://www.ruby-forum.com/t/re-thanks-ruby-quiz/60180 "2006-05-11T01:31:39Z")
123.to\_slang == “a franklin, a jackson, three washingtons, and some jingle” --- ## [Short hand %w](https://www.ruby-forum.com/t/short-hand-w/94655)
**Author:** [@corey](https://www.ruby-forum.com/u/corey)\ **Replies:** 4\ **Last updated:** [May 10, 2006, 6:33am UTC](https://www.ruby-forum.com/t/short-hand-w/94655 "2006-05-10T06:33:42Z")
how come when i do this m = %w\[cat \[dog dog\] mouse\] and then request m\[1\] instead of giving me \[“dog”, “dog”\] it gives me “\[dog” do i have to use the shorthand %w for the inner array too? --- ## [Laszlo on Rails underway](https://www.ruby-forum.com/t/laszlo-on-rails-underway/57574)
**Author:** [@mperham](https://www.ruby-forum.com/u/mperham)\ **Replies:** 4\ **Last updated:** [April 13, 2006, 2:12am UTC](https://www.ruby-forum.com/t/laszlo-on-rails-underway/57574 "2006-04-13T02:12:06Z")
If you have an interest in providing rich web interfaces for your applications beyond the abilities of DHTML, including audio and video, you may want to join me and 225 other developers on the Laszlo on Rails project. … --- ## [Has\_one](https://www.ruby-forum.com/t/has-one/81595)
**Author:** [@pezdude](https://www.ruby-forum.com/u/pezdude)\ **Replies:** 4\ **Last updated:** [March 14, 2006, 4:27pm UTC](https://www.ruby-forum.com/t/has-one/81595 "2006-03-14T16:27:17Z")
I’ve got an order model that stores order data. One piece of data is a credit card type, which is a digit 1,2 or 3. I have a cardType model that has an id, shortName and LongName for the credit card merchant (visa, ma… --- ## [Pthreads on HPUX](https://www.ruby-forum.com/t/pthreads-on-hpux/75231)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 4\ **Last updated:** [March 6, 2006, 11:55pm UTC](https://www.ruby-forum.com/t/pthreads-on-hpux/75231 "2006-03-06T23:55:13Z")
There are some historical references to a problem with compiling Ruby with pthread support for HPUX: http://www.codecomments.com/archive327-2005-4-470857.html Although there is also a report here that it works: http:… --- ## [Install into $HOME fails](https://www.ruby-forum.com/t/install-into-home-fails/54043)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 4\ **Last updated:** [February 22, 2006, 6:50pm UTC](https://www.ruby-forum.com/t/install-into-home-fails/54043 "2006-02-22T18:50:15Z")
I don’t know how to install Ruby into my home directory. Looking at the Makefile, I thought that make prefix=$HOME install should do the job, but make still tries to install into /usr/local (which fails because I don… --- ## [File.new error](https://www.ruby-forum.com/t/file-new-error/89378)
**Author:** [@cow6oy](https://www.ruby-forum.com/u/cow6oy)\ **Replies:** 4\ **Last updated:** [February 5, 2006, 4:47pm UTC](https://www.ruby-forum.com/t/file-new-error/89378 "2006-02-05T16:47:25Z")
Hi Forum, I’m trying to create a file but I’m getting an error and can’t find the problem: aFile = File.new(“rubytestfile”) puts "hello" aFile.close I get this error. I’m working on Mac OS X: Errno::ENOENT: No suc… --- ## [Re: Oniguruma and 1.8.x](https://www.ruby-forum.com/t/re-oniguruma-and-1-8-x/53143)
**Author:** [@K.Kosako](https://www.ruby-forum.com/u/K.Kosako)\ **Replies:** 4\ **Last updated:** [January 26, 2006, 4:02pm UTC](https://www.ruby-forum.com/t/re-oniguruma-and-1-8-x/53143 "2006-01-26T16:02:43Z")
I have started playing with Oniguruma a little. My first two questions deal with building it with 1.8. One of the five patches failed and I had to apply it manually. Can we get this fixed in some way that will work… --- ## [Using RoR pluralization rules](https://www.ruby-forum.com/t/using-ror-pluralization-rules/63080)
**Author:** [@vivek](https://www.ruby-forum.com/u/vivek)\ **Replies:** 4\ **Last updated:** [January 20, 2006, 3:16am UTC](https://www.ruby-forum.com/t/using-ror-pluralization-rules/63080 "2006-01-20T03:16:06Z")
Hello, RoR seems to be aware of plurals like category=\>categories etc…I Want to be able to use this in my application to relate some keywords.Is it possible ?or does RoR itself use some ruby library? Thanks Vivek --- ## [Re: Bruce Eckel and Ruby](https://www.ruby-forum.com/t/re-bruce-eckel-and-ruby/50903)
**Author:** [@MolitorS\_Stephen\_L](https://www.ruby-forum.com/u/MolitorS_Stephen_L)\ **Replies:** 4\ **Last updated:** [December 25, 2005, 1:04am UTC](https://www.ruby-forum.com/t/re-bruce-eckel-and-ruby/50903 "2005-12-25T01:04:39Z")
Sorry, but I hate it when people attack the arguer instead of the argument. I love Bruce Eckel’s books and highly respect his opinion. Although I disagree with his characterization of Ruby. Attack his opinion all yo… --- ## [Glimmer DSL for LibUI Basic Child Window](https://www.ruby-forum.com/t/glimmer-dsl-for-libui-basic-child-window/263101)
**Author:** [@AndyMaleh](https://www.ruby-forum.com/u/AndyMaleh)\ **Replies:** 0\ **Last updated:** [July 26, 2022, 1:51pm UTC](https://www.ruby-forum.com/t/glimmer-dsl-for-libui-basic-child-window/263101 "2022-07-26T13:51:21Z")
Glimmer DSL for LibUI (Fukuoka Ruby 2022 Award Winning Desktop GUI Library) v0.5.14 has been released with a new sample, Basic Child Window, which demonstrates how to spawn a child window from the main window of a deskto… --- ## [Show method error](https://www.ruby-forum.com/t/show-method-error/260092)
**Author:** [@Callum](https://www.ruby-forum.com/u/Callum)\ **Replies:** 0\ **Last updated:** [August 3, 2020, 12:24pm UTC](https://www.ruby-forum.com/t/show-method-error/260092 "2020-08-03T12:24:55Z")
hi all iam actually new to rails dev and iam trying to learn rails on my own , i was trying a simple input app. \*index.html \* Enter the Text below \<%= form\_with model: @contact do |form| %\>\* \<%= form.text\_field :titl… --- ## [Ruby gem for interactive manual](https://www.ruby-forum.com/t/ruby-gem-for-interactive-manual/245278)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 0\ **Last updated:** [March 7, 2017, 5:59am UTC](https://www.ruby-forum.com/t/ruby-gem-for-interactive-manual/245278 "2017-03-07T05:59:54Z")
Good day, Is there any gem which gives some ‘frame’ for creating interactive course/manual? f.e. smth like this: Complete Web Developer Bootcamp with Rails | Coder Manual? --- ## [RubyDay 2015 sera prima](https://www.ruby-forum.com/t/rubyday-2015-sera-prima/243472)
**Author:** [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\ **Replies:** 0\ **Last updated:** [November 11, 2015, 5:59pm UTC](https://www.ruby-forum.com/t/rubyday-2015-sera-prima/243472 "2015-11-11T17:59:33Z")
Ciao a tutti c’è qualcuno a Torino giovedì sera? Noi saremmo in 3 e arriviamo per cena, c’è qualcuno già li che ha voglia di mangiare un boccone in compagnia. Ciao Michele PS: Noi alloggiamo all’hotel tomato.to.it --- ## [Double stack traces with rewrite.java.trace enabled](https://www.ruby-forum.com/t/double-stack-traces-with-rewrite-java-trace-enabled/241144)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [May 14, 2014, 9:05pm UTC](https://www.ruby-forum.com/t/double-stack-traces-with-rewrite-java-trace-enabled/241144 "2014-05-14T21:05:47Z")
I was looking at an example for the rewrite.java.trace: The example command is: jruby -Xrewrite.java.trace=true -X-C run\_blah.rb This works great. However if I do not disable compilation (using the -X-C option) the… --- ## [Spain to London for RoR?](https://www.ruby-forum.com/t/spain-to-london-for-ror/221802)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 0\ **Last updated:** [July 31, 2012, 3:45pm UTC](https://www.ruby-forum.com/t/spain-to-london-for-ror/221802 "2012-07-31T15:45:38Z")
Hi Spain! Have you ever considered working in London, the Ruby-on-Rails capital of Europe? If you’ve ever looked for a job in England before you may have heard of me I’m the #1 RoR recruiter in the UK. Salaries are g… --- ## [Proxy\_pass\_header precedence over proxy\_hide\_header](https://www.ruby-forum.com/t/proxy-pass-header-precedence-over-proxy-hide-header/204875)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 0\ **Last updated:** [March 23, 2011, 8:02pm UTC](https://www.ruby-forum.com/t/proxy-pass-header-precedence-over-proxy-hide-header/204875 "2011-03-23T20:02:00Z")
Hi Everyone, I just spent a lot of time fighting with a misterious problem with the cache in one of our nginx servers. Problem was found and thought it would be nice to share what happened with everyone else so no on… --- ## [Rake cucumber gives "database configuration does not specify adapter" error](https://www.ruby-forum.com/t/rake-cucumber-gives-database-configuration-does-not-specify-adapter-error/199067)
**Author:** [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Replies:** 0\ **Last updated:** [November 13, 2010, 9:36pm UTC](https://www.ruby-forum.com/t/rake-cucumber-gives-database-configuration-does-not-specify-adapter-error/199067 "2010-11-13T21:36:52Z")
I’m still working on getting the basic Rails 2 configuration for RSpec and Cucumber from the RSpec book up and running. I’ve installed the various gems as follows: $ \[sudo\] gem install rspec-rails --version 1.3.3 $ \[… --- ## [Rails Save/Update not working - Oracle](https://www.ruby-forum.com/t/rails-save-update-not-working-oracle/128452)
**Author:** [@miken700](https://www.ruby-forum.com/u/miken700)\ **Replies:** 0\ **Last updated:** [February 7, 2008, 8:24pm UTC](https://www.ruby-forum.com/t/rails-save-update-not-working-oracle/128452 "2008-02-07T20:24:07Z")
I have a legacy schema (that I cannot change) that I am working with, building a quick maintenance front end using Rails. The problem is that when I process the Update nothing happens on the Oracle system. All the tra… --- ## [Docs / Help for upgrading to Rails 2.0 / Engines 2.0](https://www.ruby-forum.com/t/docs-help-for-upgrading-to-rails-2-0-engines-2-0/124529)
**Author:** [@nshb](https://www.ruby-forum.com/u/nshb)\ **Replies:** 0\ **Last updated:** [December 29, 2007, 9:34pm UTC](https://www.ruby-forum.com/t/docs-help-for-upgrading-to-rails-2-0-engines-2-0/124529 "2007-12-29T21:34:02Z")
Just posted my gotchas for upgrading a couple projects to Rails 2.0… http://nshb.net/engines-2-0-and-rails-2-0-upgrade-gotchas --- ## [Problem Installing Rails 3](https://www.ruby-forum.com/t/problem-installing-rails-3/189101)
**Author:** [@robert](https://www.ruby-forum.com/u/robert)\ **Replies:** 6\ **Last updated:** [May 24, 2010, 9:23pm UTC](https://www.ruby-forum.com/t/problem-installing-rails-3/189101 "2010-05-24T21:23:45Z")
I’m trying to install Rails 3 on a brand new MacBook Pro running OS X 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I’m wondering if I’ve hosed myself. So far, I’ve run these commands: $ gem update --system $ gem install … --- ## [Help solving problem in ruby](https://www.ruby-forum.com/t/help-solving-problem-in-ruby/180038)
**Author:** [@kgovinda](https://www.ruby-forum.com/u/kgovinda)\ **Replies:** 6\ **Last updated:** [December 10, 2009, 8:07am UTC](https://www.ruby-forum.com/t/help-solving-problem-in-ruby/180038 "2009-12-10T08:07:55Z")
i am a beginner and having problem in linux with this code: class Song def to\_s “Song: #@name–#@artist (#@duration)” end end song = Song.new(“Bicylops”, “Fleck”, “2.60”) song.to\_s =\> the output looks like this: … --- ## [Location based application](https://www.ruby-forum.com/t/location-based-application/165993)
**Author:** [@wouter](https://www.ruby-forum.com/u/wouter)\ **Replies:** 6\ **Last updated:** [April 22, 2009, 11:49pm UTC](https://www.ruby-forum.com/t/location-based-application/165993 "2009-04-22T23:49:53Z")
Hey, I am developing a location based application and i have already a small social network site with users and friends! I want : user to check in at a current place (and share location) see the friends on a map geo… --- ## [How to get the readers of 2 specific articles?](https://www.ruby-forum.com/t/how-to-get-the-readers-of-2-specific-articles/130268)
**Author:** [@harryspier](https://www.ruby-forum.com/u/harryspier)\ **Replies:** 6\ **Last updated:** [March 6, 2008, 10:36pm UTC](https://www.ruby-forum.com/t/how-to-get-the-readers-of-2-specific-articles/130268 "2008-03-06T22:36:05Z")
Hi, I have 2 articles and I want to get the readers of both articles. How do I do that ? Here is the pattern (from AWDWR): class Article \< ActiveRecord::Base has\_many :readings has\_many :readers, :through =\> :readi… --- ## [Should I Test My Fixtures?](https://www.ruby-forum.com/t/should-i-test-my-fixtures/128740)
**Author:** [@dean](https://www.ruby-forum.com/u/dean)\ **Replies:** 6\ **Last updated:** [February 12, 2008, 2:26am UTC](https://www.ruby-forum.com/t/should-i-test-my-fixtures/128740 "2008-02-12T02:26:52Z")
I have a number of fixtures in my test suite. For example, with acts\_as\_authenticated and acts\_as\_state\_machine, I created a number of users in different account states for use in functional testing. (Suspended users… --- ## [Rpdf2txt](https://www.ruby-forum.com/t/rpdf2txt/122725)
**Author:** [@qwerty73](https://www.ruby-forum.com/u/qwerty73)\ **Replies:** 6\ **Last updated:** [December 13, 2007, 10:22am UTC](https://www.ruby-forum.com/t/rpdf2txt/122725 "2007-12-13T10:22:47Z")
Hi to all, i’m trying to make a pdf parser. This is my code and the script seems to work… require ‘rpdf2txt/parser’ require ‘rpdf2txt/default\_handler’ parser = Rpdf2txt::Parser.new(File.read(‘filename.pdf’)) output… --- ## [(no subject)](https://www.ruby-forum.com/t/no-subject/119175)
**Author:** [@terry\_p](https://www.ruby-forum.com/u/terry_p)\ **Replies:** 6\ **Last updated:** [November 4, 2007, 6:14pm UTC](https://www.ruby-forum.com/t/no-subject/119175 "2007-11-04T18:14:49Z")
This is my first thread on this mailing list, so bare with me. I’ve this and it does download TARGET from the FTP server successfully – I also have accessed it via lukeftp, i.e. the ftp client that comes with my Fre… --- ## [What ruby/rails componet do I need?](https://www.ruby-forum.com/t/what-ruby-rails-componet-do-i-need/111548)
**Author:** [@byrnejb](https://www.ruby-forum.com/u/byrnejb)\ **Replies:** 6\ **Last updated:** [August 8, 2007, 10:15pm UTC](https://www.ruby-forum.com/t/what-ruby-rails-componet-do-i-need/111548 "2007-08-08T22:15:18Z")
I stole a script from the archives which shows how to launch an https version of webrick. However I am getting an error that indicates that my ruby/rails isntallation is missing a component to support ssl as called f… --- ## [Basic has\_many question](https://www.ruby-forum.com/t/basic-has-many-question/78474)
**Author:** [@daveamos](https://www.ruby-forum.com/u/daveamos)\ **Replies:** 6\ **Last updated:** [December 7, 2006, 7:51am UTC](https://www.ruby-forum.com/t/basic-has-many-question/78474 "2006-12-07T07:51:11Z")
Hi there, I’m still new at this, but I’m creating a quick little foosball stats app for my office(!) and I have a question about relationships. I have a table called games and a table called players. I’d like it so … --- ## [Subversion on RubyForge](https://www.ruby-forum.com/t/subversion-on-rubyforge/50669)
**Author:** [@tbcox23](https://www.ruby-forum.com/u/tbcox23)\ **Replies:** 6\ **Last updated:** [December 19, 2005, 11:46pm UTC](https://www.ruby-forum.com/t/subversion-on-rubyforge/50669 "2005-12-19T23:46:27Z")
Thought folks might be interested in this analysis of Subversion usage on RubyForge so far: http://tomcopeland.blogs.com/juniordeveloper/2005/12/subversion\_wall.htm l Yours, Tom --- ## [Mysql connection problems](https://www.ruby-forum.com/t/mysql-connection-problems/50260)
**Author:** [@alexamat](https://www.ruby-forum.com/u/alexamat)\ **Replies:** 6\ **Last updated:** [December 14, 2005, 8:06pm UTC](https://www.ruby-forum.com/t/mysql-connection-problems/50260 "2005-12-14T20:06:02Z")
Hi hi i have a problem trying to connect to the mysql database when I do a rake it says: Access denied for user: ‘@localhost’ to database ‘’ My database.yml file is fine Any ideas why this is happening --- ## [Contributing to rails](https://www.ruby-forum.com/t/contributing-to-rails/242229)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [June 19, 2015, 9:06pm UTC](https://www.ruby-forum.com/t/contributing-to-rails/242229 "2015-06-19T21:06:22Z")
Hello all! after diving into rails for the past two weeks, more specifically the lynda.com RoR essential training, I am beginning to truly love this web application framework. I recently read an article http://blog.s… --- ## [Hash is treated as string in Rails 4.1](https://www.ruby-forum.com/t/hash-is-treated-as-string-in-rails-4-1/241721)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [April 26, 2015, 10:56pm UTC](https://www.ruby-forum.com/t/hash-is-treated-as-string-in-rails-4-1/241721 "2015-04-26T22:56:27Z")
I have defined an instance variable as Hash in controller. When the instance variable is retrieved in View, its type is String, and the value is string too. Something wrong? --- ## [Moving from an apt-get (Ubunto) install to Pybombs](https://www.ruby-forum.com/t/moving-from-an-apt-get-ubunto-install-to-pybombs/241492)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [April 9, 2015, 9:43pm UTC](https://www.ruby-forum.com/t/moving-from-an-apt-get-ubunto-install-to-pybombs/241492 "2015-04-09T21:43:58Z")
Greetings, Long time lurker–daily user, but now faced with a decision. I have noticed the fine work with Pybombs and picked up a more hardware and thought to myself:“Hey, now is time to bite the bullet is start using … --- ## [Setting sessions in controller testing](https://www.ruby-forum.com/t/setting-sessions-in-controller-testing/233323)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [December 4, 2014, 11:32am UTC](https://www.ruby-forum.com/t/setting-sessions-in-controller-testing/233323 "2014-12-04T11:32:31Z")
Hi Guys, I’m writing some controller tests in rspec and one of them needs a session to be set. Does anyone know how to set a session in rails tests? --- ## [Why no standard graphical libraries?](https://www.ruby-forum.com/t/why-no-standard-graphical-libraries/233079)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [November 16, 2014, 4:03pm UTC](https://www.ruby-forum.com/t/why-no-standard-graphical-libraries/233079 "2014-11-16T16:03:44Z")
I’ve been using Ruby for a while, and so far, I love it. Coding is quick, easy, and less prone to bugs in my experience. A breath of fresh air for a Java / C programmer. Plus, it doesn’t take 15 minutes to load. (Ehem… --- ## [Trouble posting data to database](https://www.ruby-forum.com/t/trouble-posting-data-to-database/231343)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 4, 2014, 9:58pm UTC](https://www.ruby-forum.com/t/trouble-posting-data-to-database/231343 "2014-08-04T21:58:59Z")
Hi guys, Am trying to submit data through a text\_area loaded by a partial form unsuccessfully thus far. Please find my code here https://gist.github.com/Brayoni/1e3476ee672479dc971c. Any leads highly appreciated. T… --- ## [Number of taps in pfb filter?](https://www.ruby-forum.com/t/number-of-taps-in-pfb-filter/231045)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 18, 2014, 4:52pm UTC](https://www.ruby-forum.com/t/number-of-taps-in-pfb-filter/231045 "2014-07-18T16:52:18Z")
hello list, when I am trying to channelize a baseband with following specs: sample rate: 2MHz bandwidth for low pass filter: 145kHz transition bandwidth: 10 kHz number of channels: 10 pfb decimation: 4 When I see … --- ## [ActiveRecord::Base](https://www.ruby-forum.com/t/activerecord-base/230960)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 15, 2014, 10:12am UTC](https://www.ruby-forum.com/t/activerecord-base/230960 "2014-07-15T10:12:15Z")
Hello all, What is significance of :: in ActiveRecord::Base. What is difference between ::String.new and String.new Thank you, Praveen --- ## [How to translate these codes into GUI](https://www.ruby-forum.com/t/how-to-translate-these-codes-into-gui/230699)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [July 7, 2014, 1:44pm UTC](https://www.ruby-forum.com/t/how-to-translate-these-codes-into-gui/230699 "2014-07-07T13:44:24Z")
Hi all, I have a data structure like as follow: myarray=\[ \[{“A”=\>1}\], \[{“B”=\>2},{“C”=\>3,“D”=\>4}\], \[{“E”=\>5,“F”=\>6},{“G”=\>7},{“X”=\>10,“Y”=\>20,“Z”=\>30}\] \] And I can control the output of each key and value using the… --- ## [Question for Rghost](https://www.ruby-forum.com/t/question-for-rghost/236348)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 29, 2013, 5:39am UTC](https://www.ruby-forum.com/t/question-for-rghost/236348 "2013-08-29T05:39:44Z")
I am trying to create a pdf file using Rghost. It’s creating with extention of “pdf.rgin”,what would be the solution to get the pdf? --- ## [Pg gem: LoadError](https://www.ruby-forum.com/t/pg-gem-loaderror/236328)
**Author:** [@addis\_a](https://www.ruby-forum.com/u/addis_a)\ **Replies:** 2\ **Last updated:** [August 28, 2013, 10:52pm UTC](https://www.ruby-forum.com/t/pg-gem-loaderror/236328 "2013-08-28T22:52:31Z")
Hello, I spent a good deal of time trying to get the “pg” installed on my Mac OSX 10.6.8. I finally got it successfully installed and using require ‘pg’ in irb returns true: require ‘pg’ =\> true However, when I… --- ## [Can i use single devise for multiple models](https://www.ruby-forum.com/t/can-i-use-single-devise-for-multiple-models/245767)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 2\ **Last updated:** [July 9, 2013, 10:26pm UTC](https://www.ruby-forum.com/t/can-i-use-single-devise-for-multiple-models/245767 "2013-07-09T22:26:30Z")
Hi, i need to use authentication for the 4 models,is it possible to use single devise for all models,if yes plz let me know them clearly. if not what is the solution. Thankyou --- ## [Gr-ctrlport and multiple applications](https://www.ruby-forum.com/t/gr-ctrlport-and-multiple-applications/228994)
**Author:** [@copot](https://www.ruby-forum.com/u/copot)\ **Replies:** 2\ **Last updated:** [May 16, 2013, 10:48pm UTC](https://www.ruby-forum.com/t/gr-ctrlport-and-multiple-applications/228994 "2013-05-16T22:48:47Z")
Greetings, Today, we can configure gr-ctrlport to use a specific port. Doing so leads to a problem when trying to execute more than one gnuradio application even if they are not explicitly using controlport. The firs… --- ## [Signal power w.r.t the amplitude of sample sent to USRP?](https://www.ruby-forum.com/t/signal-power-w-r-t-the-amplitude-of-sample-sent-to-usrp/210126)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [August 2, 2011, 3:46am UTC](https://www.ruby-forum.com/t/signal-power-w-r-t-the-amplitude-of-sample-sent-to-usrp/210126 "2011-08-02T03:46:44Z")
Hi, How can we determine the transmitted signal power with respect to the amplitude value of the sample sent to the USRP and also how can we measure the power of the received signal at the USRP? Thanks --- ## [No column information caching?](https://www.ruby-forum.com/t/no-column-information-caching/210175)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [August 1, 2011, 10:59pm UTC](https://www.ruby-forum.com/t/no-column-information-caching/210175 "2011-08-01T22:59:04Z")
I have recently been investigating using PosgreSQL (server version 8.3.12), with the ‘pg’ gem ‘0.11.0’, with our Rails 3.0.7 app. I’ve noticed in the development.log that column information queries are made after eac… --- ## [Upload immagini lentissimo](https://www.ruby-forum.com/t/upload-immagini-lentissimo/209876)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [July 26, 2011, 12:00pm UTC](https://www.ruby-forum.com/t/upload-immagini-lentissimo/209876 "2011-07-26T12:00:31Z")
Qualche giorno fa sono passato dall’ hosting di unbit a un vps di seflow. Ho riscontrato un problema con l’upload delle immagini. Infatti quando faccio la submit di una form con un campo file, per completare l’operaz… --- ## [\[cannot set default ruby version using RVM\]](https://www.ruby-forum.com/t/cannot-set-default-ruby-version-using-rvm/208341)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 2\ **Last updated:** [June 15, 2011, 6:22pm UTC](https://www.ruby-forum.com/t/cannot-set-default-ruby-version-using-rvm/208341 "2011-06-15T18:22:33Z")
i installed RVM . and also iinstalled ruby 1.9.2 , but i cannot keep default as 1.9.2. It was showing that it was changed , But I it was using same version(1.8.7) sathia@sathia27 ~ $ ruby -v ruby 1.8.7 (2010-06-23 … --- ## [Problem with $\_SERVER;](https://www.ruby-forum.com/t/problem-with-server/207898)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [June 6, 2011, 12:45am UTC](https://www.ruby-forum.com/t/problem-with-server/207898 "2011-06-06T00:45:31Z")
In my nginx server, $\_SERVER\[‘REQUEST\_URI’\]; does not work, and returns nothing. When using getenv(“REQUEST\_URI”); it will returns the url of the current page instead of the reffering url. And in this case, it will re… --- ## [Not working without aio](https://www.ruby-forum.com/t/not-working-without-aio/206542)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 2\ **Last updated:** [May 5, 2011, 5:00am UTC](https://www.ruby-forum.com/t/not-working-without-aio/206542 "2011-05-05T05:00:58Z")
If you install nginx compiled with aio support on non-aio enabled kernel, it doesn’t work: 2011/04/15 11:46:25 \[emerg\] 18942#0: io\_setup() failed (1: Operation not permitted) 2011/04/15 11:46:25 \[alert\] 18938#0: work… [Previous page](https://www.ruby-forum.com/top.md?page=1614&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=1616&per_page=50)