In the view there is a regular Rails form and a javascript function that will be triggered when the country select field is changed. The javascript function will make an ajax request to the country_select url with the country code passed as the id variabl...

You can download it here http://github.com/suitmymind/acts-as-taggable-on-steroids as well as read usage info (which is for the most part reprinted here). ./script/plugin install http://svn.viney.net.nz/things/rails/plugins/acts_as_taggable_on_steroids ....

I can't find a strftime() format that will output the hour without the leading zero. For instance 6:20 will be instead 06:20. This just looks a little sloppy. I created a datetime.rb intializer which will contain custom datetime formats for my applicatio...

Extending forms in Rails is simple and will greatly reduce the amount of code in your views. This example is taken right from the Agile Web Development book on Rails(2.1.*) with one minor tweak. I want to pass a label argument along with the field name so...

%e # rather than %d Time.now.strftime("%e")

Here is how to install a Rails application out of a subdirectory (rather than as a subdomain) with the Apache web server(Apache2). In this example I'm going to use my own blog which is a Wordpress installation and serve a Rails application from the subdir...

Pass a fourth parameter to the mail() function with the header information. <?php $to = "jane@example.com"; $subject = "Hello World!"; $body = "This will be sent from email-addr@example.com"; $headers = "From: email-addr@example.com\r\nX-Mailer: php";...

Output .sql file for MySQL but without the drop table syntax before table name use the --skip-add-drop-table flag mysqldump -u root -p database_name --skip-add-drop-table --skip-lock-tables > database_name.sql

If you want to insert a datetime that matches the default mysql datetime type format use this date('Y-m-d H:i:s');

Simple script for posting a valid response back to Paypal service after a sale is completed using the Paypal Instant Checkout payment method. <?php // read the post from PayPal system and add 'cmd' $req = 'cmd=_notify-validate'; foreach ($_POST as $k...