JRuby Cookbook – Short Review

First a disclaimer, I'm not a heavy Ruby or Java guy. Most of my coding for the last couple of years has been perl and shell - because I write little things that I need right now and those two languages excel at that (CPAN is still THE decision clincher).

I recently became involved in a side project that is written in Ruby and Java though and in an excellent timing coincidence a friend returned my previously unread copy of the JRuby Cookbook. The book isn't an introduction to either Java or Ruby (there are already excellent online and dead tree resources for that) but it shows where the two can meet and how to get started at those points. It's not really a book to read back to front but it is a good approach for a cookbook.

If you're curious as to how dynamic languages on static language VMs can complement each other this is a good book to flick through. Score - 6/10 - it's not the book for me right now but it does show a lot of entry points I'll probably come back to later.

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Dynamic Motion on Google Earth

It's very easy to become quite blase or even cynical about new technologies but sometimes a project grabs your attention and coaxes out a "that's very cool", the real time augmented Google Earth had that effect on me.

How long will it be before you can roll back an overlay by X weeks and see what happened in that game last Thursday or check the traffic on your new route at 7am on every Friday for a couple of weeks?

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