We have: users, each of which has events, each of which has several properties (time, type etc.). Our basic use case is to fetch all events of a given user in a given time-span.
What are some strategies for updating volatile data in Solr? Imagine if you needed to model YouTube video data in a Solr index: how would you keep the \"views\" data fresh without swamping Solr in 开发
I am working on a shopping cart application, and I am pretty much stumped on how to model Items and Options according to the following requirements:
I have a system where I want 开发者_如何学Ca global identifier for objects in rails. The global identification is a number (or alpha-numeric) that is shared across a bunch of objects. When you save an
Clarification: I am not trying to calculate friendly times (e.g., \"8 seconds ago\") by using a timestamp and the current time.
Our application has an online shop among other features, and users are normally requested to register before completing a sale, creating a unique customer_ID in the process. When they return, they can
If I wanna provide a free guestbook service via php+mysql,I have two choices, store all message in one database
I have an ASP.NET data entry application that is used by multiple clients.The application consists of multiple data entry modules that are common to all clients.
My question regards how to design a database. I have one table, called posts, with columns: ID, subject, keywords, (and a few other columns)
Let us consider a class \'Human\' -->(1..*) \'Human\' , where Human is a supertype. Say it has subclasses like \'Male\', \'Female\', \'SociallyPathologicalMale\' etc. The basic association b/w 2 entit
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