I\'m in the process of choosing database for my application. I have been using MySQL for the longest time but for my current application Performance and Scalability is important 开发者_如何学JAVAand I
Is it common to name an assembly one name, name a folder inside of the assembly another and then start to carry those names into the classes inside of those folders? For example:
How do you implement a \"similar items\" system for items described by a set of tags? In my database, I have three tables, Article, ArticleTag and Tag.开发者_开发技巧 Each
I have an object, I make some changes to it, but I don\'t want to save them, I want the \'old\' values.
Could someone please explain how to go about getting the values passed to a non-existant method that is being intercepted when using:
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I want to use Apache Mahout in my project on Ruby on Rails for implementing recommendations and collaborative filtering. In Particular my requirements are:
I\'m now using slope One for recommendation. How to exclude visited items from result? 开发者_如何学C
Amazon has \"Customers Who Bought This Item Also Bought\". I am wondering and want to add this to my shopping cart which I made.
I am curious what are the methods / approaches to overcome the \"cold star开发者_如何学Ct\" problem where when a new user or an item enters the system, due to lack of info about this new entity, makin
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