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Blog Archive for manning_pubs during February 2013

Multimethods in Clojure by Amit Rathore, author of Clojure in Action, Second Edition Clojure multimethods support not only multiple dispatch but much more. Indeed, once you look past multiple dispatch, a commonly asked question is whether a language can dispatch on things other than the types of values. With Clojure’s multimethods, methods can be made to dispatch based on any arbitrary rule....
Node in a Nutshell by Alex Young and Marc Harter, authors of Node.js in Practice We live in a world of highly connected multicore servers, where web applications are expected to scale from dozens of users to millions. New demands are being placed on developers by the real-time nature of the modern web. Developers are looking for fresh solutions to solve scalability issues—whether it’s to take...
Spatial reference system: What is it? by Regina O. Obe and Leo S. Hsu, authors of PostGIS in Action, Second Edition The topic of spatial reference systems (SRS) is one of the more abstruse in GIS to understand. This is mainly due to the loose way in which people use the term spatial reference system and secondly to its unglamorous nature compared to other areas of GIS. If GIS is Disneyland,...
Akka and Camel by Claus Ibsen and Jonathan Anstey, authors of Camel in Action Akka comes with a Camel integration module that allows Akka actors to interact with communication partners over a great variety of protocols and APIs. In this article, based on appendix E of Camel in Action, contributing author Martin Krasser presents selected Akka-Camel integration features by example. Akka aims to...
The Fundamentals of a JavaScript Test Suite by John Resig and Bear Bibeault, authors of Secrets of the JavaScript Ninja As important as a solid testing strategy is for all code, it can be crucial for situations where external factors have the potential to affect the operation of your code, which is exactly the case you're faced with in cross-browser JavaScript development. In this article...