How to build a simple GWT event bus using Generators | North Concepts – In his Google I/O session Best Practices For Architecting Your GWT App, Ray Ryan discusses the benefits of using an event bus in GWT (Google Web Toolkit) applications. Inspired by this talk, I decided to try my hand at building a simple GWT event bus modeled after our pure java event bus.
InfoQ: How to get the most out of Spring and Google App Engine – Chris Ramsdale will get you up and running building Spring apps on Google App Engine. He'll go step-by-step building a real Spring app and identify not only the basics of App Engine, but more advanced topics such as integrating with Google's SQL Service and using App Engine's "Always on" feature to ensure high performance.
Big data market survey: Hadoop solutions – O’Reilly Radar – Apache Hadoop is unquestionably the center of the latest iteration of big data solutions. At its heart, Hadoop is a system for distributing computation among commodity servers. It is often used with the Hadoop Hive project, which layers data warehouse technology on top of Hadoop, enabling ad-hoc analytical queries.
InfoQ: RESTful SOA in the Real World – Sastry Malladi presents different ways used by the industry to implement a RESTful SOA, detailing how eBay did it in order to achieve performance, and what lessons can be taken from that.
InfoQ: Service-Oriented Architecture Maturity – An SOA maturity model must incorporate both perspective and execution maturity. Progress must be made across a 3D space, with movement from an IT-driven perspective toward an enterprise-transformation outlook – embracing governance, metrics, drivers, and even terminology – likely trumping execution refinements within a particular perspective.
Why I choose CouchDB over MongoDB | Chris Allnutt – Use MongoDB only if you don’t care about the state of the data, but want to sling it out distributed as fast as possible. If you’re willing to wait an extra millisecond to ensure that that save and replication actually happens, and when it fails you just use the last valid version use CouchDB
What the end of Flash means for Adobe – SplatF – Adobes specific phrase in its release was: "Focusing Flash resources on delivering the most advanced PC web experiences, including gaming and premium video, as well as mobile apps." But the reality is that the mobile browser is the future of the web. So anyone who is using Flash today for anything should start working on a plan to eventually stop using it.
JPMorgan Chase makes a case for the big data platform (and career track) of the future. – Five of JP Morgan Chase's seven lines of business now use a Hadoop shared service. They use it for extract, transform, and load (ETL) processing; high-scale Basel III regulatory liquidity analyses and reporting; data mining; transaction analysis; fraud investigation; and social media sentiment analysis. It's also a low-cost storage option for all types of data, including structured financial records, semi-structured clickstreams and Web logs, and unstructured text and social comment feeds.
Will there be a Silverlight 6 (and does it matter)? – Several of my customer and partner contacts have told me they have heard from their own Microsoft sources over the past couple of weeks that Silverlight 5 is the last version of Silverlight that Microsoft will release
Why Flash didn’t work out on mobile devices – Apple leaving mobile Flash off their mobile devices for the last four years, has shown that the web has adapted, with more sites embracing HTML5 for websites, games and apps.
Redis: Zero to Master in 30 minutes – Part 1 – More than once, I've said that learning Redis is the most efficient way a programmer can spend 30 minutes. This is a testament to both how useful Redis is and how easy it is to learn. But, is it true, can you really learn, and even master, Redis in 30 minutes?
Google Web Toolkit and Web Services: The XML Way | Wazi – In this two-part series, we’ll build a project to show how to get and process XML and JSON data, and deal with sundry matters such as security restrictions and server-side proxies. What you’ll learn here should help you deal with all kinds of services and enhance your GWT applications.
Why The MongoDB Hate? – 10gen has built a novel datastore that offers high availability, sharding, and schema-free design at a very specific cost. Bugs will be pushed, mistakes will be made, and systems will go down. There is no silver bullet.10gen has built a novel datastore that offers high availability, sharding, and schema-free design at a very specific cost. Bugs will be pushed, mistakes will be made, and systems will go down. There is no silver bullet.
Ektorp – Java API for CouchDB – Ektorp is a persistence API that uses CouchDB as storage engine. The goal of Ektorp is to combine JPA like functionality with the simplicity and flexibility that CouchDB provides.
Democratizing the ESB Market — Application Development Trends – "Camel takes the concept and provides a vocabulary for application integration developers," Walsh told me, "so that they can take what are fairly complex implementations of integration and have a common language and set of templates that allow them to be more productive as they use tools and build out their integration solutions and projects. We've incorporated that into the Talend Integration Factory."
Software Rants & Other Miscellany: Foursquare, Facebook, Founders, and Passion – The most common way that people talk about the Passion Gap is when they advise you to “start a company that scratches your own itch”. I posit that the underlying logic in that advice is that the best startup you can create is one where you will be constantly engaged in thinking about improving the product, maximizing the user experience, and planning for the future -where you have real passion for making it work.
It is not the critic who counts … – The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming
SQLContainer 1.0 Released – Blog – vaadin.com – The SQLContainer is an add-on for Vaadin, that implements the Container interface for standard SQL database servers. SQLContainer allows you to easily bind data stored from an SQL database to Table and Select components, as well as edit the data using Form
Mysema Blog: Querying in SQL with Querydsl – Querydsl provides a typesafe querying layer on top of JPA, JDO, JDBC and other backends. This blog post presents a simple tutorial on how to get started with querying in SQL using Querydsl.
Seven Things: Home – Lift gives you the above Seven Things, plus your code is concise and maintainable, Lift's performance and scalability, and all the benefits of deploying your application on battle-tested J/EE infrastructure.
piriti – JSON and XML Mapper for GWT – Piriti (Maori for "bridge") is a JSON and XML mapper for GWT based on annotations and deferred binding. The following code snippets show the basic idea behind Piriti.
Java-Clojure Interop: Calling Clojure From Java | Javalobby – Clojure is quickly becoming one of the more popular JVM languages because of its high performance and excellent handling of concurrency. Rich Hickey's talk entitled "An Introduction For Java Programmers" is a great resource for Java programmers who are interested in learning Clojure.
Generate a self-signed SSL Certificate with OpenSSL | *.hosting – Occasionally it may be necessary to generate a self-signed SSL certificate. This could be for internal websites, or for other internal uses that may require secure encrypted network transmissions. We decided to post this guide for everyone to use, since using the guide as a reference may hopefully be useful to those of you out there
InfoQ: Re-thinking Lean Service – Taiichi Ohno discovered some counter-intuitive truths as he developed the Toyota System. Similar counter-intuitive truths wait to be discovered by leaders of service organisations. When they are understood and applied, service organisations' performance is transformed to levels that, to the current mind-set, would be considered unachievable.
sesawe.net – English – Sesawe is a global alliance dedicated to bringing the benefits of uncensored access to information to Internet users around the world
iPhone App Developers | PointAbout – PointAbout allows you to quickly mobilize the content you’re already publishing, like RSS & XML feeds, APIs and HTML content. Our AppMakr.com service builds native mobile applications in minutes instead of months, across multiple phone platforms without any ramp-up time and no need for proprietary programming expertise.
JD | Java Decompiler – The “Java Decompiler project” aims to develop tools in order to decompile and analyze Java 5 “byte code” and the later versions.
As the Nation’s Pulse Races, Obama Can’t Seem to Find His – If we can’t catch a Nigerian with a powerful explosive powder in his oddly feminine-looking underpants and a syringe full of acid, a man whose own father had alerted the U.S. Embassy in Nigeria, a traveler whose ticket was paid for in cash and who didn’t check bags, whose visa renewal had been denied by the British, who had studied Arabic in Al Qaeda sanctuary Yemen, whose name was on a counterterrorism watch list, who can we catch?
Grails – 1.2 Release Notes – SpringSource are pleased to announce the 1.2 release of the Grails web application development framework. Grails is a dynamic web application framework built on Java and Groovy, leveraging best of breed APIs from the Java EE sphere including Spring, Hibernate and SiteMesh
InfoQ: Whats New in Spring 3.0 – Arjen Poutsma reviews Spring Framework 2.5 and takes a look at Spring 3.0 – Java 5+, Spring Expression Language, REST support, Portlet 2.0, declarative model validation, early support for Java EE 6 – and the roadmap ahead.
Using Linux – Linux Administration Basics – Linode Library – This document presents a collection of common issues and useful tips for Linux system administration. Whether you're new to system administration or have been maintaining systems for some time, we hope these tips are helpful regardless of your background or choice in Linux distributions
JAX-WS 2.2/Metro 2.0/Java EE6/GlassFish V3 Released | Java.net – We are pleased to announce the release of JAX-WS 2.2 and JAX-WS 2.2 RI. RI is also included in Metro 2.0. As Metro 2.0 is bundled in GlassFish v3, you don't require any separate installation step. On the servlet containers like Tomcat, you follow the installation instructions in the bundle.