If I have th开发者_如何转开发e following rows set up in a SQL Server 2008 table: RowHierarchy 11/
What is the best way to visit all the nodes of a linked tree (all nodes have references to parent and all children, root nodes have null as parent), so that no node is visited before any of its ancest
That\'s all, i want to see what are the clases that inherits a fixed class. There is a method for this in Ruby?
I have a class that represents the \"state of the world\". The class has many collections of many other objects which in turn have references to more objects and collections of objects, sometimes even
I have a single-table with the following (relative) structure: foo_id, parent_foo_id, foo_name I would like to build an (effectively) infinite-depth recursive array with these entities, and consequ
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