A Scala Tutorial for Java Programmers – Scala Documentation – This document gives a quick introduction to the Scala language and compiler. It is intended for people who already have some programming experience and want an overview of what they can do with Scala. A basic knowledge of object-oriented programming, especially in Java, is assumed.
Non-blocking IO in Servlet 3.1 By Example | Java.net – Servlet 3.1 (JSR 340) is almost ready for the release. One of the new features is the support for non-blocking IO. ReadListener and WriteListener are introduced to allow non-blocking processing in Servlet.
Red Hat pushes open source cloud with OpenStack distro | ZDNet – Linux software giant Red Hat has launched a community-led distribution of the OpenStack open source cloud platform. RDO — announced at the OpenStack Summit in Portland, USA, on Monday — is a free community-supported distro of OpenStack that will run on Red Hat Enterprise Linux (RHEL), Fedora and their derivatives.
A Little Graph Theory for the Busy Developer – Jim Webber explores graph data analytic techniques using social graph properties inspired by anthropology and sociology, extracting online business intelligence from graph matching.