hierarchy
Get entire chain of IDs in self-referencing table given any ID in hierachy
I have a table that contains the following data: +--开发者_JS百科--+----------+ ID | ParentID | +----+----------+[详细]
2023-03-12 20:34 分类:问答Object default to a function if no objects within are defined
Let\'s say I have the following objects: Fxy.commands={ group:{ add:function(msg){ So, of course, Fxy.commands.group.add(\'s开发者_如何学运维omething\') will do whatever that function does. But, wh[详细]
2023-03-12 09:28 分类:问答Pivoting Data in Multiple Rows to a Single Column
I have a database table with categories for different products in it.Each category has only one parent and each product can have multiple categories.I need to build a sort of breadcrumb navigation开发[详细]
2023-03-12 07:35 分类:问答Single class Composite Pattern mapping with Hibernate
I wonder how to map single class composite pattern with annotations in Hibernate? An human object can contains children, and each child can have his/her own children. Thank you.[详细]
2023-03-11 19:41 分类:问答Problem with EF STE and Self-Referencing tables
This is my first post here, so I hope everything is fine. Here is my problem: I have a table in my database called UserTypes. It has:[详细]
2023-03-11 17:40 分类:问答Display Hierarchy in a DropDown List
I have a data hierarchy that I currently display in a treeview. I was wondering what would be the easiest way to convert this hierarchy into a dropdown list as well. In a treeview I can find a specifi[详细]
2023-03-11 13:22 分类:问答A good design pattern for implementing different behaviors on a subject
What is the best design for this scenario? I have different Object types: User, Channel, MessageBox, UserGroup, etc.[详细]
2023-03-11 12:32 分类:问答Use Jquery to convert single UL LI list into a hierarchal nested list based on a class
I have an unordered list that needs to be spilit into a hierachal list, depending on the class that has been pre-assigned to each . Specifically, if the original list is like this:[详细]
2023-03-11 09:14 分类:问答normalize or not?
I have a DB in which there are 4 tables. A -> B -> C -> D Current the way I have it is, the Primary Key of A is a foreign key in B. And B would have it\'s own Primary Key, which is a foreign key in[详细]
2023-03-10 21:16 分类:问答Android Hierarchy and Structure
I开发者_高级运维 want to create an app that has multiple animations on the screen AT THE SAME TIME, to be specific:[详细]
2023-03-10 05:17 分类:问答