Change database column names for form validations in Rails
When you use validations in Rails, db column names are used as 'keys' for error messages. This is usually the preferred way to go about it because this maps nicely to the form fields. However, if you use a virtual attribute this may not be the case. For e...
Written by Sean Behan on 06/17/2012
Email Regex
Regular Expression that Matches Email Addresses:
/\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b/
Written by Sean Behan on 06/17/2012
Installing and Using Rvm on Mac OS X, Creating Gemsets and Reverting to Original Environment
What is RVM and why should you use it? RVM is a Ruby interpreter, version management tool. In short, it enables you to switch between different versions and releases of Ruby (for instance, version 1.8.6, 1.8.7, jruby 1.9.2, ruby enterprise edition) on the...
Written by Sean Behan on 06/17/2012
Output Logger and SQL to the Rails Console in Development Mode
If you want to take a look at the SQL being generated by active record while your using the console, you can either type this into the console when it loads
ActiveRecord::Base.logger = Logger.new(STDOUT)
Or you can add it to your environment so that it'...
Written by Sean Behan on 06/17/2012
Protect a Directory with Apache, .htaccess and httpasswd
Apache comes with a command line utility called "htpasswd". This utility will generate a username and password that you can use to authenticate against using a .htaccess file. Just run the utility like so:
htpasswd -c /path/to/your/password/directory/a...
Written by Sean Behan on 06/17/2012
