Inherited from Encoding Overridden to support optimized en/decoding
Finds and returns the first node that matches the supplied xpath.
The context element
The xpath to search for. If not supplied or nil, returns the first node matching ‘*’.
If supplied, a Hash which defines a namespace mapping.
If supplied, a Hash which maps $variables in the query to values. This can be used to avoid XPath injection attacks or to automatically handle escaping string values.
XPath.first( node )
XPath.first( doc, "//b"} )
XPath.first( node, "a/x:b", { "x"=>"http://doofus" } )
XPath.first( node, '/book/publisher/text()=$publisher', {}, {"publisher"=>"O'Reilly"})
Performs a depth-first (document order) XPath search, and returns the first match. This is the fastest, lightest way to return a single result.
FIXME: This method is incomplete!
Whether this specification is stubbed - i.e. we have information about the gem from a stub line, without having to evaluate the entire gemspec file.
True if long begins with the characters from short.
Override to display a longer description of what this command does.
true if this gem has no requirements.
Creates server sockets based on the addresses option. If no addresses were given a server socket for all interfaces is created.
Returns the first source in the list.