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Posts Tagged ‘ruby’

Protected: Ruby on Rails 3.1.x application Deployment on Heroku

Posted by firstruby on September 1, 2011

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Mysql::Error: query: not connected while rake db:migrate

Posted by firstruby on August 25, 2011

With Ruby 1.9.2 and Rails 3.0.10,
If you are facing following problem while doing “rake db:migrate”,

Mysql::Error: query: not connected: SHOW TABLES

then you may need to download ‘libmySQL’ from http://instantrails.rubyforge.org/svn/trunk/InstantRails-win/InstantRails/mysql/bin/libmySQL.dll and paste that in C:\Ruby192\bin folder.

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HTTP authentication for Ruby on Rails application

Posted by firstruby on June 23, 2011

You may want to add HTTP authentication to your Ruby on Rails site, add following to your application controller file,


before_filter :authenticate

protected

def authenticate
authenticate_or_request_with_http_basic do |username, password|
username == "test" && password == "test"
end
end

After adding these lines, application will ask for username and password.

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Protected: Ruby on Rails 3.0.x application Deployment on Heroku

Posted by firstruby on March 17, 2011

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select with :onchange in Ruby on Rails

Posted by firstruby on November 2, 2008

In Ruby on Rails, We can use ‘select’ with :onchange as following code block,

= f.select :my_attribute, @my_values.collect{|a| [a.name, a.id]}, {}, { :onChange => 'remote_function(blabla....)' }

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