This query and pattern will return urls in text all within a single SQL query. select substring(column_name from '.*://([^/]*)') as domain_name from table_name; And here it is in a larger query, say for retrieving page view counts for referrers. ...

I'm usually at the command line so I wrote a little a bash function so that i can type tweet this is really neat but kind of pointless and it will update my twitter status! some characters trip it up but in general it's useful for most of my tweets. The...

Git can track the file permissions on your source. This can be good, but for small projects on a webserver where permissions change from time to time, and permissions on development app don't match or matter anyway, it's often easier to just skip this che...

In the parent class place the following code has_many :posts, :dependent => :destroy This used to be accomplished with has_many :posts, :dependent=>true Check out the Rails docs for more information http://api.rubyonrails.org/classes/ActiveRecord/As...

It's a little convoluted. Seeing as it's a pretty common thing you use when programming computers one might think that there would be a quick and easy method for it. But from what I can tell there isn't. So here is a snippet that will give you a *nix Epoc...