display_prerequisites() Instance Public methods Display the tasks and prerequisites

mod.const_defined?(sym, inherit=true) â true or false Instance Public methods Says whether mod or its ancestors have a constant with the given name: Float.const_defined?(:EPSILON) #=> true, found in Float itself Float.const_defined?("String") #=> true, found in Object (ancestor) BasicObject.const_defined?(:Hash) #=> false If mod is a Module, additionally Object and its ancestors are checked: Math.const_defined?(:String) #=> true, found in Object In ea

option_groups_from_collection_for_select(collection, group_method, group_label_method, option_key_method, option_value_method, selected_key = nil) Instance Public methods Returns a string of <option> tags, like options_from_collection_for_select, but groups them by <optgroup> tags based on the object relationships of the arguments. Parameters: collection - An array of objects representing the <optgroup> tags. group_method - The name of a method which, when call

newest() Instance Public methods

meth.arity â fixnum Instance Public methods Returns an indication of the number of arguments accepted by a method. Returns a nonnegative integer for methods that take a fixed number of arguments. For Ruby methods that take a variable number of arguments, returns -n-1, where n is the number of required arguments. For methods written in C, returns -1 if the call takes a variable number of arguments. class C def one; end def two(a); end def three(*a); end def four(a, b

parse_to_rects(mapping) Class Public methods

column(j) Instance Public methods Returns column vector number j of the matrix as a Vector (starting at 0 like an array). When a block is given, the elements of that vector are iterated.

scalar(value, anchor, tag, plain, quoted, style) Instance Public methods Called when a scalar value is found. The scalar may have an anchor, a tag, be implicitly plain or implicitly quoted value is the string value of the scalar anchor is an associated anchor or nil tag is an associated tag or nil plain is a boolean value quoted is a boolean value style is an integer idicating the string style See the constants in Psych::Nodes::Scalar for the possible values of style Example Here

index(idx) Instance Public methods

candidate(key, icase = false, pat = nil) Instance Public methods