My good friend and Octabox co-founder, Tal Zubalsky, is a graphic designer by trade. He is also an avid t-shirts fan and therefor a threadless fan (who isn’t? ).

He has recently decided to have a go at a t-shirt design himself, and came up with this brilliant concept which I think is pretty awesome. If you like t-shirts and have a threadless account, please take the time to have a look and vote for it (I’d really like to see it printed ).

Templating is a common technique for separation of concerns in applications - separating presentational logic from domain (or business) logic. This kind of separation promotes higher maintainability and a better chance to reuse presentational code (by encapsulating it in templates), the kind of traits we would all love to have in our code base.
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UI responsiveness is one of the basics of a good user experience. In the web environment, this often translates to the loading time of pages.

As it might be expected, there are several techniques to optimize the delivery of web pages. The Exceptional Performance guide by Yahoo is a great resource for a multitude of optimizations practices, including specifically two techniques which I will address in this article - script minifcation and concatenation.
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In my last post on database optimization, I focused on improving query performance by optimizing schema - exploring indexing strategies by reading the execution plan. In this post I’ll show how different query structures can also have a major impact on performance.
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