Pablo Castellazzi questions

Pablo Castellazzi answers

• Run a shell command as another user or change Apache's user?
• Rails: checksum of uploaded files
• Why can't I create an array as a column in a table in Rails?
• Maximum length of command line argument that can be passed to SQL*Plus?
• Multiple models in the same form in Rails 3.1?
• (still) cannot properly install lxml 2.3 for python, but at least 2.2.8 works
• Ruby BitTorrent Library [closed]
• All possible model validation errors
• Remotely shutdown/reboot Linux boxes without SSH? [closed]
• What will give me something like ruby readline with a default value?