self-reference

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Different ways to reference yourself?

The handle to yourself is called different things in OOP languages. The few I\'ve come across so far:[详细]

2023-01-15 22:23 分类：问答
How do I implement a 'social' aspect with mongoid

I am attempting to create a friend network on a site I am making.I am using Mongoid.How do I instantiate friends?[详细]

2023-01-15 11:07 分类：问答
How to prevent deep recursive queries with entities consisting of entities of the same type? [Cool example inside]

No worries! It looks more complex than it actually is! Just get down to the drinks! TLDR-version: How to efficiently query and update entities having relationships to other entities?[详细]

2023-01-11 23:16 分类：问答
DLL unloading itself

Is it possible for a function that is inside a DLL to unload the DLL? I need to do this so I can make sure the DLL is not in use, then write to the DLL\'s开发者_如何学JAVA file.As I understand it, it[详细]

2023-01-10 01:39 分类：问答
I'm playing around with different design patterns in Javascript. This factory has got me confused

I\'m playing around with different JS design patterns, and im trying to modify some samples I\'ve seen out there.I saw an example of a xhr开发者_JAVA百科 factory, that had several nested try/catch sta[详细]

2023-01-09 08:49 分类：问答
Recursive calls to database in perl

I know there\'s an easy way of doing this, but my recursion abilities are out of practice.Given a database table that has three fields:[详细]

2023-01-04 15:09 分类：问答
Bidirectional self referential associations

Taking Ryan Bates\' asciicast as an example: http://asciic开发者_运维问答asts.com/episodes/163-self-referential-association[详细]

2023-01-01 12:03 分类：问答
class __init__ (not instance __init__)

Here\'s a very simple example of what I\'m trying to get around: class Test(object): some_dict 开发者_JAVA百科= {Test: True}[详细]

2022-12-28 14:53 分类：问答
Entity Framework Self Referencing Hierarchical Many To Many

OK this problem has it all. Conceptually I have a Resource entity which can have many Child Resources and many Parent Resources. The Resource table has two fields, ID and Name with ID being the prima[详细]

2022-12-22 04:22 分类：问答
Need index with sys_connect_by_path function? How to emulate it?

I have a self referencing table in Oracle 9i, and a view that gets data from it: CREATE OR REPLACE VIEW config AS[详细]

2022-12-22 04:10 分类：问答