If you want to time how long a piped bash command take, use the `time` command followed by your commands in parens like so.. time (ls -lha | wc -l)

Working with Ruby and in particular Rails, it's easy to take the beauty inherent in the language for granted. I mean look at this code. If you read it aloud to yourself, it reads like an english sentence that any non programmer can understand. Forum.cate...

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

It's short and sweet. $obj_from_array = (object)['key'=>'val']; echo $obj_from_array->key;

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...