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.
Why I switched from iPhone to Android | TechHive – And so, by the end of the year, the idea of continuing to use an iPhone exclusively, or even as my primary phone, was no longer appealing. That's why I willingly parted with my unlimited data plan.
Google is using GWT – and you? – People sometimes ask me why Google itself doesn't use GWT, but many people don't realize that many of Google's newer services are written using it. Some Google products that use Google Web Toolkit that you may not know about:
Anyone can build a Messenger client—with open standards access via XMPP – Today we’re taking another step, with the public availability of access to the Messenger network via XMPP, an open standard. This means that anyone can build innovative messaging clients—either stand-alone or built into their devices—that include access to Messenger’s 300 million active users.
Spring Framework 3.1 goes GA – It is my pleasure to announce that Spring Framework 3.1 becomes generally available today! This release delivers several key features that make Spring ready for the challenges of 2012 and beyond:
Martin Fowler on Software Patents – At a time when our future affluence depends so heavily on innovation, we have drifted toward a patent regime that not only fails to fulfil its justifying function, to incentivise innovation, but actively impedes innovation
Nick Farina – An iOS Developer Takes on Android – Recently, we released the Android version of Meridian, our platform for building location-based apps. We didn't use one of these "Cross Platform!" tools like Titanium. We wrote it, from scratch, in Java, like you do in Android.
Idiomatic Layouts with Sencha Touch | Learn | Sencha – In this two-part series, we show how, with a single code-base, we can create an app which responds to these conventions, and which, through the use of the Sencha Touch 'application profiles' mechanism, delivers familiar user interfaces to both phone and tablet users.
What’s Up, JavaDoc? (Jonathan Gibbons) – The Java documentation tool, javadoc, has been somewhat neglected in recent releases, but in JDK 7, it's been getting some amount of long-overdue TLC, albeit mostly under the covers.
Announcing GitHub for Mac – GitHub – Pull requests, merge button, fork queue, issues, pages, wiki –– all awesome features that make sharing easier. But those things are only great after you've pushed your code to GitHub. Today we're happy to announce GitHub for Mac.
InfoQ: Where Did My Architecture Go? – Eoin Woods advices on writing code that preserves the initial architectural design using conventions, dependency analysis, module systems, augmenting the code & checking rules, and language extensions.
CWE – Common Weakness Enumeration: A Community-developed dictionary of software weakness types – International in scope and free for public use, CWE™ provides a unified, measurable set of software weaknesses that is enabling more effective discussion, description, selection, and use of software security tools and services that can find these weaknesses in source code and operational systems as well as better understanding and management of software weaknesses related to architecture and design.
My “NoSQL for Java Devs” slides are now online « Glen Smith – In the talk we looked at four different types of NoSQL options for Java guys: Simple Key/Value in-memory stores (Memcached), sophisticated distributed key/value stores (Voldemort), Document Databases (CouchDB), and Graph Databases (Neo4j).
An introduction to MongoDB – In this short demo, long-time developerWorks contributor Andrew Glover introduces MongoDB, provides a quick tour of its use, and helps you understand where it's most applicable
An introduction to Amazon SimpleDB – an introduction to SimpleDB, a massively scalable, highly available key/value datastore. Part of the Amazon Web Services suite, SimpleDB provides a simple web services interface to create and store multiple data sets, query the data, and return the results. Get started with SimpleDB in this short introduction.
InfoQ: New Books on Software Architecture – Software Architecture is one of the important topics for software engineers, because many failures of software development projects are caused by inadequate design. Thus, it is essential to learn more about architectural issues in theory and practice. Interesting new books that have been published recently or in the near future could be very helpful:
iPhone notes app comparison – All this – I have four note taking apps for the iPhone: Simplenote, Elements, PlainText, and Nebulous Notes. I’ve written about each of them before,1 but I thought it might be useful to compare them all in a single post.
What if this is as good as it gets? – What if, after years of increasing evangelism and fever-pitch hype and demos and speeches and books and talks and blogs and tweets and logos, Microsoft shifts direction once again, destaffs the IE team, and “deprioritizes” any notion of an IE 10?
GWT 2.1 Editors – tbroyer’s posterous – GWT 2.1 is advertized as providing "a framework for business apps", and one of the included features is the Editor framework, which provides data binding between bean-like objects and UI fields
Blog of Dmitry Buzdin: Is Java Reflection Really Slow? – The conclusion is that on modern server infrastructure with proper JVM settings we should not be worried about Refelction performance too much. Another conclusion is that going in the direction of direct bytecode manipulation such as CGLib FastMethod will not bring a tremendous difference in performance, but will add dependencies and complexity to your project
InfoQ: What’s New in Spring Integration 2.0? – Mark Fisher and Oleg Zhurakousky present what’s new in Spring Integration 2: Sprint 3 features used, enterprise integration patterns, channel adapters, tooling support, and what lies beyond 2.0.
Home – Browserscope – Browserscope is a community-driven project for profiling web browsers. The goals are to foster innovation by tracking browser functionality and to be a resource for web developers
InfoQ: Deriving Agility from SOA and BPM – Ten Things that Separate the Winners from the Losers – In this presentation from SOA Symposium 2010, Manas Deb and Clemens Utschig-Utschig discuss how to derive business agility from SOA and BPM, motivations for agility, developing and nurturing agility, influencers and dependencies, how SOA and BPM enable agility, pitfalls and recommendations for organizational culture, and pitfalls and recommendations for business and technical architectures.
InfoQ: Introduction to Spring Roo – In this presentation from SpringOne/2GX 2010, Rod Johnson and Stefan Schmidt introduce Spring Roo, how to build a sample application with Spring Roo and SpringSource Tool Suite
InfoQ: Mobile HTML 5.0 – In this presentation from Strange Loop 2010, Michael Galpin discusses developing mobile web applications, HTML 5, WebKit, ACID 3, PhoneGap and Appcelerator, Viewports, geolocation, DOM storage, Web Workers, Web Sockets and server-side data pushing, Canvas, CSS 3.0, application cache, the Device API, touch events, video/audio, meta tags, and support for each of these on assorted mobile platforms.
aria2 – The next generation download utilty – aria2 is a lightweight multi-protocol & multi-source download utility operated in command-line. It supports HTTP/HTTPS, FTP, BitTorrent and Metalink. aria2 has built-in XML-RPC interface. You can manipulate aria2 via XML-RPC interface.
The Best of JIRA 2010 – Similar to the GreenHopper and Confluence teams, 2010 was a very exciting year for the JIRA team. We doubled the size of the dev team – forcing us to move into a new building across the street – adding a new skillsets and evolving new roles
W3C Releases Best Practices for Mobile Web Apps – International Web standards body, The World Wide Web Consortium (W3C) has released a new standard for developers of mobile Web applications. The document, published as a W3C Recommendation, is titled "The Mobile Web Application Best Practices"
InfoQ: Using REST for SOA – Stefan Tilkov makes a case for using REST in an enterprise SOA solution showing how to implement tricky features like encapsulation, transactions, stateful communication, reliable messaging, notifications, and security
SOA Makes Its Home in Financial Services Arena CIO.com – The death of SOA has been much exaggerated according to a new report. Forrester analyst Jost Hoppermann said that in financial services companies, SOA is very much alive and is being increasingly deployed within the industry
TIOBE Software: Tiobe Index – The TIOBE Programming Community index is an indicator of the popularity of programming languages. The index is updated once a month. The ratings are based on the number of skilled engineers world-wide, courses and third party vendors
ScrumBan? « Tales from a Trading Desk – Lean Software Engineering offer a good overview of how ScrumBan differs from Scrum – essentially improving the speed of time-to-market. Agile Management offers a posting on how to start down the road of Kanban.
InfoQ: Neo4j: Java-based NoSQL Graph Database – After several years of development, the developers from NeoTechnology have released version 1.0 of Neo4j, a Java-based graph database which follows the property graph datamodel. InfoQ spoke with NeoTechnology COO Peter Neubauer to learn more about the current Neo4j release and what it offers to developers
Clustering Tomcat | Javalobby – In this article, I will show you how to use Apache/Tomcat in order to set up a load balancer. I know this has been done a zillion time before, but I will use this setup in my next article (teaser, teaser) so at least I will have it documented somewhere.
The Apache Cassandra Project – The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
Open Source NoSQL Databases | Javalobby – For almost a year now, the idea of "NoSQL" has been spreading due to the demand for relational database alternatives. Maybe the biggest motivation behind NoSQL is scalability……… Here are some of the better known open source data stores/models labeled as "NoSQL"