Active Record find methods for selecting range from http://charlesmaxwood.com/notes-from-reading-activerecordbase/ Student.find(:all, :conditions => { :grade => 9..12 }) return a range Student.find(:all, :conditions => { :grade => [9,11,12] }) will retu...

I added the RSS Graffiti application to my Facebook account. It's a nifty app that lets you add any valid Rss/Atom feed to your profile (includes publishing to your wall) and to your pages.

If you want to get version information about a gem the easiest way to do it is with this command gem list For example gem list activemerchant will output the activemerchant versions I have installed. You can pass only part of the name like gem list ...

There is annoying line wrap issue present after installing iPython on OS X Mavericks for the first time. The issue has to do with readline being missing. To fix the problem uninstall iPython, install readline and then install iPython. pip uninstall ip...

egrep -or "(http(s)?://){1}[^'\"]+" path/to/directory You can further reduce to just return the images by piping again. grep -r src views/ | egrep -o "(mailto|ftp|http(s)?://){1}[^'\"]+" The -r flag is for a recursive directory scan....