Given a collection of Active Record objects, you may use the collection_select helper method to produce a select form field. You need to pass in a number of arguments to the helper function. 1) object - your model object used in the collection 2) method ...

If you create a module in the lib/ directory of your Rails application you won't have access to those methods in your views. If you don't want to put those methods in a helper file, you need to add a method to your module that makes them available for you...

Here is my first data visualization. I used the Processing programming language and an SVG map of the United States. ...

wget http://redis.googlecode.com/files/redis-0.900_2.tar.gz tar xzvf redis-0.900_2.tar.gz cd redis-0.900 make mv redis-server /usr/bin/ mv redis-cli /usr/bin/

The -r flag is for recursive, meaning it will also look in sub directories. The -i flag is for case insensitivity, meaning WORD and word will both be found. grep -ir "search term" directory/path