Some usefull Sublime Text 2 snippets

classname.sublime-snippet

<snippet>
    <content><![CDATA[${1:${TM_FILENAME/(?:\A|_)([A-Za-z0-9]+)(?:\.rb)?/(?2::\u$1)/g}}]]></content>
    <tabTrigger>cnm</tabTrigger>
    <scope>source.ruby</scope>
    <description>SampleClass</description>
</snippet>

def_initialize.sublime-snippet

<snippet>
  <content><![CDATA[
def initialize(${1})
  ${2}
end
]]></content>
  <tabTrigger>dinit</tabTrigger>
  <scope>source.ruby</scope>
</snippet>