Data-Centres

Here are data-centres maps I track:

IBM

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Microsoft

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Google

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Add to Google Reader bookmarklet

Wow!  Google Chrome is out and of course I couldn't wait to try it out... that was until I discovered that automatic RSS/ATOM feed detection wasn't part of the deal.  I wrote a quick bookmarklet for addressing this situation: just drag-and-drop the following bookmarklet to your bookmarks (works on Chrome, Firefox and IE): 

The code is hosted on Google AppEngine so performance shouldn't be an issue. Have fun!

Cloud Computing Classification

The term Cloud Computing appeared to me too vague and thus I set out to investigate a bit further the question. As always, I resorted to my penchant for diagramming:

Design Pattern in PHP: Object Pool Pattern

Still working on my AOP framework for PHP, I stumble upon an interesting problem: when there are many files that require weaving, at some point memory usage was spiking very high (north of 256M) . For environments where memory is a scarce resource, I needed object recycling.

Here is what I came up with:

Design Pattern in PHP: Iterator Pattern

Whilst working on my AOP framework for PHP, I needed a versatile iterator. Here is what I came up with: