similar to: /usr/bin/ld: cannot find -lmysqlclient_r installing ruby gem mysql2.... in Fedora Linux + MySQL 5.5.15...

error information occurred when I execute "rails new demo1 -- database=mysql" MY environment below: Mac OS 10.4.11, Ruby 1.8.7 Rails 3.2.1, Gem 1.8.15 mysql5 Ver 14.14 Distrib 5.1.61, for apple-darwin8.11.1 (i386) using readline 6.2 mysql (2.8.1) Please help me, thx! more detail message as follows: Installing mysql2 (0.3.11) with native extensions

Hi, next step, # dmesg | grep pciback Bootdata ok (command line is root=/dev/sda2 ro console=tty0 pciback.hide=(0000:02:05.0)(0000:02:06.0)(0000:02:07.0)(0000:02:08.0)(0000:02:09.0) ) Kernel command line: root=/dev/sda2 ro console=tty0 pciback.hide=(0000:02:05.0)(0000:02:06.0)(0000:02:07.0)(0000:02:08.0)(0000:02:09.0) Unknown boot option

Hi all, I'm a summer University research student and I've been wroking on writing a package, Rsoam, to integrate R with Platform's symphony software to allow for distributed computing. When I "R CMD check" the package, I get the following error when trying to load the Rsoam.so after building Rsoam.cpp: * checking whether the package can be loaded ... ERROR Loading

Googling around, I found that apparently adding to the gem file will fix my problems, but where do i find the gem file? what is the name of the gem file? "group :test do # Pretty printed test output gem ''minitest'' ####### add this line ####### end" Here is what happens when i run rake test, please note that i have already installed minitest

Here''s the trace, NoMethodError: undefined method `accept'' for nil:NilClass from /Users/blaine/.rvm/gems/ruby-1.9.2-p290/gems/activerecord-3.2.3/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `to_sql'' from

I''m reading the rails tutorial book and in chapter 6 page 199 I have to make a rake db:migrate, but I get this error: rake aborted! undefined method `prerequisites'' for nil:NilClass (See full trace by running task with --trace) When I try with rake db:migrate --trace I get the following errors: rake aborted! undefined method `prerequisites'' for nil:NilClass

HI All, I have installed the Active Admin successfully, but facing the following error while restarting the server after generating an resource. *rails generate active_admin:resource item* /home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in `<top (required)>'': uninitialized constant Item (NameError) from

Hi all, I''m running an application on my localhost, but the command "rails server" behaves very inconsistently. About an hour ago it ran well on another app, but got errors now. According to the errors it seemed that the server began to run but the there is something missing in the library. But I''m very new to Rails so cannot figure out what do these lines mean:

Hey, I updated some Gems and now rspec seems to be broken. The weird thing is it fails because of Test::Unit which doesnt make much sense to me. /Users/username/.rvm/gems/ruby-1.9.2-p290@ror_project/gems/rack-1.3.4/lib/rack/backports/uri/common_192.rb:53: warning: already initialized constant WFKV_ /Users/username/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/test/unit/testcase.rb:9:in

Ideas? ruby-1.9.2-p290 :002 > require ''rspec'' => true ruby-1.9.2-p290 :003 > RSpec::Version::STRING => "2.8.0" ruby-1.9.2-p290 :004 > describe ''division by zero'' do ruby-1.9.2-p290 :005 > expect { 2/0 }.to raise_error ruby-1.9.2-p290 :006?> end NoMethodError: undefined method `expect'' for

Having issues getting Puppet running under Passenger. From httpd error_log: [ pid=24647 thr=268010020 file=utils.rb:176 time=2011-10-04 11:45:10.892 ]: *** Exception LoadError in PhusionPassenger::Rack::ApplicationSpawner (no such file to load -- puppet/application/master) (process 24647, thread #<Thread: 0x0000001ff30448>): from

I just installed 1.9.2 on my 2nd machine, but after I installed I checked the version with ruby -v and it sent me 1.8.7 Here''s the terminal output...anyone know what''s wrong (I have RVM installed): Francescas-MacBook-Air:~ fkrihely$ rvm install 1.9.2 Fetching yaml-0.1.4.tar.gz to /Users/fkrihely/.rvm/archives Extracting yaml-0.1.4.tar.gz to /Users/fkrihely/.rvm/src Configuring

after i searched, i got so many links related with the twitter integration , Then i do that with one following link http://cbpowell.wordpress.com/2011/03/17/twitter-oauth-and-ruby-on-rails-integrated-cookbook-style-in-the-console-updated-for-twitter-1-0/ after some steps with the rails console, *Then i got some errors after i gave the steps to send the tweet from the application * * client

Getting strange loading problem.. >> bundle exec rspec -p spec/models/* give error: .. .rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.1/lib/active_support/ dependencies.rb:240:in `require'': no such file to load -- rspec/rails (LoadError) from /home/slava/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.1/ lib/active_support/dependencies.rb:240:in `block in require'' from

developing a 3.1 app. trying to run spec on and get this error: bundle exec rake spec ***************************************************************** DEPRECATION WARNING: you are using a deprecated constant that will be removed from a future version of RSpec. /home/slava/.rvm/gems/ruby-1.9.2-p290/gems/bundler-1.0.18/lib/bundler/ runtime.rb:68:in `require'' * Rspec is deprecated. *

Hello, I''m new to Ruby and unix/linux development (although been building .net apps for years). I''ve almost completed my trek to install Rails ... looks like I have one final hurdle. After installing rails I try the ''rails -v'' command and it fails. Any help here would be deeply appreciated. Here''s the output from my bash session: bash-3.2$ ruby

I''m getting this and it isn''t applying my apache module. Is it because of these warnings? notice: Starting Puppet client version 2.7.5 /usr/local/rvm/gems/ruby-1.9.2-p290/gems/puppet-2.7.5/lib/puppet/ provider/service/freebsd.rb:8: warning: class variable access from toplevel /usr/local/rvm/gems/ruby-1.9.2-p290/gems/puppet-2.7.5/lib/puppet/ provider/service/freebsd.rb:9:

Some background info: I am an OS X user, and my MAC system is OS X 10.6.8(snow leopard). @1st problem (regarding Ruby on Rails installation): I have installed ruby "1.9.2" with RVM. When I typed "ruby -v" command in terminal after installation, it says that the ruby version I have is "1.8.7". Strange, isn''t it? So, I have tried "rvm use 1.9.2"

Hello rubyonrails-core, I’ve been looking into possible changes to ActiveRecord / Arel to make it easier to write Rails applications that are free of SQL injection vulnerabilities, and in particular do so in a way that makes it easy for a code reviewer to verify that the app is safe from such bugs. The concern: ----------------- With the ActiveRecord API as is, it’s relatively easy to write

Hi all, we''re just in the process of upgrading to the new asset pipeline, but I''m having an annoying issue with Sprockets. It turns out that I can''t enable both *debug* and *digest* in development mode. When I do, I get a Errno::ENAMETOOLONG because the digest becomes the *entire* *content* of the file instead of a hex. I get this with both sass and javascript.