A Tutorial on Flash Remoting Using Perl

remoting Flash remoting is a big improvement over forms/cgi for communication between flash and server.  There’s a great little project called amfphp for using php with flash remoting.  There’s a whole lot less great (but appreciated!) version called amf::perl for perl and python. There is little documentation, so I thought I’d post an example. 

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Tips for Making Perl Programs Run Faster

In my daily work I tend to manipulate fairly large datasets, such as Wikipedia, U.S. Patents, Netflix Ratings, and Imdb.  Here’s a few tricks I’ve come across so that you don’t lose time waiting for your programs to finish. 

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Flash vs. Processing

Over the past year and a half I’ve been hooked on the language Processing. I’ve even contributed a early version library for visualizing social network data

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10 Google Tech Talks

All Google Tech Talks are here (Google EngEDU is the actual name of the talk series). Thought I’d compile a top ten list…

  1. Python and Python 3000. Two talks about the Python language given by its inventor Guido van Rossum. The first is about the language’s origins and the second is about its future.
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Wikipedia Page Similarities

I’m working on a visualization/map of Wikipedia pages. The map will layout pages close to one another if they are similar. So, in order to create such a map I need to compute the similarity of any two Wikipedia pages.

For my first attempt at this, I decided to go with a cocitation measure of similarity. So, two Wikipedia pages will be said to be similar if other Wikipedia pages that link to one usually link to the other.

However, the naive way to compute this, looking at every pair of pages, is far too inefficient given that there are 650,000 pages in the English Wikipedia, and 14.5 million pagelinks. So I’ve worked up a much more efficient algorithm. Here’s the psuedocode…I hope someone, somewhere out in cyberspace will find this useful. (It can, in fact, be used to compute co-citation similarities for any data represented as nodes and links)

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Visualization Google Tech Talks

15 Views of a Node Link Graph: An Information Visualization Portfolio by Tamara Munzner

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35 Visualizations

Geographical & Historical

WorldProcessor. Globes overlaid with information. Beautiful…must see!
Wikisky Google maps for the stars.
Flight Patterns Visualizations of FAA data.
TextArc: History of Science Beautiful.
2007 Calender. Brad Paley design.
31 days in Iraq. Visualization of deaths in Iraq. Depressing.
Tracing the Visitor’s Eye Flickr tags on a geospatial basemap.
Schreiner International Cables Map. Old world map of cables.
Napolean’s March. Made famous by Edward Tufte.

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