datamapper

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Calculating rowspan in an HTML table of nested DataMapper resources

I have a legacy database that sits behind a really crappy PHP app. The web app is causing all sorts of problems with the database, and I just need a quick-and-dirty way of representing what is stored[详细]

2023-02-25 02:38 分类：问答
Flush DataMapper's identity map in Rails 3

I\'m doing some performance testing and DataMap开发者_开发问答per\'s identity map is getting in my way. How do I flush it?In DataMapper the Identity Map is only in effect within the scope of a reposit[详细]

2023-02-24 22:10 分类：问答
Why does active record pattern not work with rich domain models?

I\'m reading the architectura开发者_Go百科l patterns chapter of POEAA, and Fowler says that \"As the domain logic gets more complicated and you begin moving toward a rich Domain Model (116), the simpl[详细]

2023-02-24 00:59 分类：问答
Querying empty Datamapper has n relationships [duplicate]

This question already has answers here: 开发者_运维知识库 Get the inverse of a join? (3 answers)[详细]

2023-02-23 07:51 分类：问答
Problem with DataMapper, Integer property

I have the following class in my sinatra app (app.rb) class Project include DataMapper::Resource property :id, Serial[详细]

2023-02-21 22:51 分类：问答
Installing datamapper mysql dm-mysql-adapter on redhat

I\'m trying to move a small Sinatra app I have going on an Ubuntu box to a redhat box. While installing gems, I get a \"Can\'t build native extension\" error while trying to install the gem dm-mysql-[详细]

2023-02-21 20:29 分类：问答
Getting records using DataMapper

Just using DataMapper for the first time. I have set up a table in a MySQL database and am connecting to that. I have defined the following mapping:[详细]

2023-02-21 01:36 分类：问答
Referencing foreign keys with DataMapper

I\'ve been looking through this: http://datamapper.org/docs/find But haven\'t been able to gleam what I\'m looking for, though I know it\'s quite simple.[详细]

2023-02-20 21:43 分类：问答
Automated XML data mapping

Excuse me if my question might seem ignorant. My problem: I\'m developing an applicatio开发者_如何学Pythonn using a product API. I currently retrieve the Prices, etc dynamically, but I am now intere[详细]

2023-02-20 21:13 分类：问答
Is 'valid' a reserved name in DataMapper?

I have the following model in datamapper: class Student include DataMapper::Resource property :id,Serial[详细]

2023-02-20 12:48 分类：问答