Dmytro Shteflyuk’s Home
thoughts about programming
This is a third part of the JavaScript optimization tutorial, and today I’m going to talk about events. Sorry for a long delay between posts, I hope remaining parts would not be delayed so much.
Scenario: you have some elements and you need to add some actions to them (for example, when user moves mouse cursor over element, or clicks on elements).
RSpec has great feature — mock objects (mocks). In a few words: mock object imitates behavior of the object, which used by the tested methods. And simple example immediately:
Rails is just an interface to the memcached?
Cache the Hell out Everything
90% API Requests — cache them
Read the Scaling Twitter.
Unfortunately, RSpec does not provide helpers for testing mailers like TestUnit. But it is easy to add them to your application, and here you could find code snippet for testing mailers.
When I worked on Best Tech Videos with Alexey Kovyrin, we faced a problem of filtering videos by category with selecting posts categories in the same query. It was easy to solve the problem, but there is one query optimization trick exists.
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