How to make class_attribute behave like class_inheritable_attribte which no longer exists in Rails.

When requests arrive at the application servers simultaneously, weird things can happen. Sometimes, this can also happen if a user...

Install libreadline: sudo apt-get install libreadline-dev Reinstall the ruby and tell rvm where to find readline

If you get this: Installing typhoeus (0.3.3) with native extensions /usr/local/lib/site_ruby/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem...

Oniguruma is an advanced regular expression engine for Ruby. Install Oniguruma with binary dependencies like this: sudo apt-get install...

Install Ruby from the Ubuntu repository: sudo apt-get install ruby ruby-dev \ ruby is the meta package. If you...

sudo apt-get install sqlite3 libsqlite3-dev sudo gem install sqlite3-ruby

apt-get install libcurl3-dev

Reading a URL via GET: curl http://example.com/ Defining any HTTP method (like POST or PUT): curl http://example.com/users/1...

When installing RMagick you may get an error messages like this: Version 2.13.1: checking for Ruby version >= 1.8.5... yes

Note that you cannot currently use Ruby 1.9.2 with Rails 2 applications that use RSpec, so don't upgrade if...

If you're on Ubuntu: sudo apt-get install ruby-dev On other platforms: Look for a package containing ruby...

You need to install the following packages before you can build the Nokogiri gem: sudo apt-get install libxml2-dev...

When you get this while installing the raspell gem: ERROR: Error installing raspell: ERROR: Failed to build gem native extension...

Create a branch: svn copy https://dev.makandra.de/svn/filepanic/trunk https://dev.makandra.de/svn/filepanic/branches/$ticketnumber_shortdesc Don't just copy the folder into your working...