aggregation

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Aggregation relationships and instantiating objects from database storage (vb)

I have a small application which allows users to create accounts and then award \'points\' to each other. UserAccount is an object, and so is Point, and there is an aggregation relationship between th[详细]

2022-12-29 20:49 分类：问答
Generic Aggregation of C++ Objects by Attribute When Attribute Name is Unknown at Runtime

I\'m currently implementing a system with a number of class\'s representing objects such as client, business, product etc. Standard business logic. As one might expect each class has a number of stand[详细]

2022-12-29 12:32 分类：问答
How do I use accepts_nested_attributes_for?

Editing my question for conciseness and to update what I\'ve done: How do I model having multiple Addresses for a Company and assign a single Address to a Contact, and be able to assign them when cre[详细]

2022-12-29 10:44 分类：问答
How do I aggregate results from an Adjacency list using PHP's SPL

I\'ve tried using nested sets, and they become very difficult to maintain when dealing with multiple trees and lots of other complications.. I\'d like to give PHP\'s SPL library a stab at this (btw, w[详细]

2022-12-27 16:58 分类：问答
SMS aggregation service provider

Can someone please tell me what are the pre-requisites for establishing an SMS Aggregation service (as a business), I am after the technology and implementation, a rough overview of what is involved ([详细]

2022-12-24 18:51 分类：问答
SQL one table aggregation

For the last few days I have been attempting to find a method to pull a very important set of information from a table that contains what I call daily counts. I have a table that is setup as follows.[详细]

2022-12-24 05:31 分类：问答
Dependency injection and aggregation/association

In both association and aggregation, one class maintains a reference to another开发者_Go百科 class.[详细]

2022-12-23 06:52 分类：问答
How To Aggregate API Data?

I have a system that connects to 2 popular APIs. I need to ag开发者_开发技巧gregate the data from each into a unified result that can then be paginated. The scope of the project means that the system[详细]

2022-12-19 21:34 分类：问答
Don't understand why these two queries give different results

I have three tables (for sake of argument) individual, email and attribute. individual_Ref the foreign key that links individual to email and attribute.[详细]

2022-12-19 10:31 分类：问答
Aggregate and Query the RSS feeds, simply quickly and save the queries

Ok I know about YQL, Yahoo Pipes and all that. But I am wondering what is the \"shortcut\" for someone who knows jQuery and javascript and JSON pretty well ? What would be the architecture of the gene[详细]

2022-12-18 06:14 分类：问答