I go into a detailed explanation of using ActiveRecord scopes in Rails 3 over on EdgeRails.info. I won’t be cross-posting for too much long, so update your feed to the new EdgeRails feed to keep abreast of the latest and greatest!
Proxies are a powerful tool in software development, allowing you to transparently provide extra functionality or a slight abstraction to an underlying object. One of the more visible uses of proxies is in ActiveRecord which uses a proxy to represent its many associations. For instance, in the following article definition: when you call article.comments what you get back is actually a proxy object
This feature is scheduled for: Rails v2.3/3.0 In what is clearly a move to make me irrelevant within the Rails community, news has broken about the new Rails metal feature before I had the time to do a proper write-up. (And for the second time in as many weeks, no less). I need to get on my horse here, many apologies. So Rails Metal is a way to cut out the fat of the MVC request processing stack (
This feature is scheduled for: Rails v2.3/3.0 Those of you using Chris Wanstrath’s slick little try trick will now have access to that functionality in Rails with this ActiveSupport update. Basically, try lets you attempt to invoke a method on an object without worrying about a NoMethodError being raised. If the method doesn’t exist, or if the target object nil, then nil will be returned without e
Conditional-gets are a facility of the HTTP spec that provide a way for web servers to tell browsers that the response to a GET request hasn’t changed since the last request and can be safely pulled from the browser cache. They work by using the HTTP_IF_NONE_MATCH and HTTP_IF_MODIFIED_SINCE headers to pass back and forth both a unique content identifier and the timestamp of when the content was la
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