During the last few months we (I and Alexey Kovyrin) have been working on a major Best Tech Videos site platform update. If you have not seen it before — it is time to take a look at it because really soon everything will change. I don’t mean that site idea would change (you would be able to find there the best tech videos), but usability, information availability and many small but useful things will be changed for good.

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You definitely should watch it. Gregg Pollack and Jason Seifer from RailsEnvy present:

Part 1. Ruby on Rails vs Java

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If you are creating Ruby on Rails application like a blog, you most probably want to generate URLs using post titles. It’s good practice, because search engines like keywords in URL, and it looks more human-readable. Just compare: http://example.com/posts/10 and http://example.com/posts/generating-permalinks-from-string (yeah, it’s long, but self-descriptive). Anyways, this is small post about converting a title to a permalink.

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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:

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Rails is just an interface to the memcached?

Cache the Hell out Everything
90% API Requests — cache them

Read the Scaling Twitter.