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.
InfoQ: Functional Design Patterns – Aino Vonge Corry reviews a number of well known design patterns showing that their implementation is simpler in functional languages because such languages have pattern-based constructs.
Hadoop + HBase + Cygwin + Windows 7 x64 « alan said – In this post I will describe how to get a Hadoop environment with HBase running in Cygwin on Windows 7 x64. Having spent the better part of a week reading through blog posts and documentation, I found that none of them covered the process in full detail, at least not for the software versions I intended to use.
Play framework ? Home – Finally a Java framework made by Web developers. Discover a clean alternative to bloated enterprise Java stacks. Play focuses on developer productivity and targets RESTful architectures
Unixmen – Digg says yes to NoSQL, bye to MySQL | Unixmen – After twitter, now is Digg who decided to replace MySQL and most of their infrastructure components and move away from LAMP to another architecture called NoSQL that is based in Casandra, an opensource project that develops a highly scalable second-generation distributed database
FRONTLINE: inside the meltdown: watch the full program | PBS – On Thursday, Sept. 18, 2008, the astonished leadership of the U.S. Congress was told in a private session by the chairman of the Federal Reserve that the American economy was in grave danger of a complete meltdown within a matter of days. quot;There was literally a pause in that room where the oxygen left,quot; says Sen. Christopher Dodd (D-Conn.)
Asynchronous HTTP Comet architectures – JavaWorld – In this article, Gregor Roth takes a wider view of asynchronous HTTP, explaining its role in developing high-performance HTTP proxies and non-blocking HTTP clients, as well as the long-lived HTTP connections associated with Comet.
FrontPage – Dropbox Wiki – The Dropbox Wiki is your designated resource for the more advanced features (and creative uses) that Dropbox has to offer. Like all wikis, this will be constantly changing, and we welcome any contributions you make.
Management guru: Warren Buffett | Warren Buffett | The Economist – Buffett is known as “the Sage of Omaha”, after the town where he was born and where he has spent most of his life, and much is made of his small-town homespun values. He likes to play the ukulele and he plays bridge (with Bill Gates, among others) in his modest home in Omaha
JavaLobby’s Top 10 Articles of 2008 | Javalobby – As a way of looking back at how the year has been on JavaLobby, we've collected the top 10 most read articles. It paints a clear picture about what is important to you, and gives us some hints as to what we should be covering in 2009
Scrum in under 10 minutes video | Agile Software Development – Hamid Shojaee from Axosoft published an excellent and funny video on the basics of Scrum. In under 8 minutes of animation Hamid describes most of the basic concepts. I don’t agree with everything (in particular I I would like to see the release burndown chart described), but you can only explain so much in under 10 minutes and every Scrum installation is different anyway. Have a look and enjoy!
Database Normalisation :: BlackWasp Software Development – The sixteenth part of the SQL Server Programming Fundamentals tutorial discusses the concept of database normalisation. Normalisation is a database design technique that minimises duplication of information, reducing the risk of introducing data errors.
10 Steps to Learn a New Coding Language Fast – NETTUTS – Learning a new language can seem like a daunting task. However, as it is with all types of learning, there are certain techniques and practices that will help you learn the language faster and more efficiently. Here are 10 of the best practices that aspiring programmers can use to quickly start programming in a new language
Kill Your Database – Rather, save your database with Terracotta. Relational database are valuable for many things, but serving as the cost-effective scalability backbone of high-load web applications isn't one of them. Is your database suffering under the weight of your application?
YouTube – Collaborative Spreadsheet Art – people worked together simultaneously on a single Google Docs spreadsheet. Each cell in the 100 row x 186 col spreadsheet was filled using 18 different colors. The entire process was captured in time-lapse.
Roma Framework: The new way to conceive Web Applications – Roma allows you to develop enterprise level Java applications with low effort following a real Domain Driven Design approach. It's a new way to conceive the application: anything is a POJO, from the GUI forms to the persistent objects.
SpringSource Acquires G2One Inc. | SpringSource – SpringSource, the company behind Spring, the de facto standard in enterprise Java, today announced the acquisition of G2One Inc., the company behind the popular Groovy and Grails technologies. With the acquisition of G2One, SpringSource will now offer global enterprise support offerings for developers and IT operations that utilize Groovy and Grails applications.
‘The White Album’ 40 Years Later : NPR Music – When The White Album was released 40 years ago this month, fans were both baffled and awe struck by its sprawling world of sound. It was released as a double LP (almost unheard of at the time) and featured instant classics like "I Will," "While My Guitar Gently Weeps," and "Blackbird." But The White Album (its real name is simply The Beatles) was also filled with songs many found hard to digest, like the eight-minute, experimental sound collage "Revolution 9" or the inexplicably surreal "Honey Pie." On this edition of All Songs Considered host Bob Boilen talks with Bruce Spizer, author of The Beatles On Apple Records, about the groundbreaking White Album and how it came to be.
ExtPlayer – An MP3 Player developed with Adobe AIR and Ext JS – In partnership with Adobe, Ext is releasing several new enhancements to the Ext.air package today. These include improvements to existing classes responsible for Sounds, Windowing and Database as well as new classes responsible for Notification, Clipboard and File System Interaction.
TwitterFE – Twitter Front End – Twitter Front End is a new look at Twitter.com and the web interface powering the message service's social interactions today. This website was built by Niall Kennedy using web standards best practices and optimized code design. Twitter FE is currently a read-only clone of the Twitter.com website rewritten for external development and rapid iteration.
Op-Ed Columnist – We Found the W.M.D. – NYTimes.com – If I had my druthers right now we would convene a special session of Congress, amend the Constitution and move up the inauguration from Jan. 20 to Thanksgiving Day. Forget the inaugural balls; we can’t afford them. Forget the grandstands; we don’t need them. Just get me a Supreme Court justice and a Bible, and let’s swear in Barack Obama right now
Microsoft’s Turner Blocks Google at P&G as Competitors Circle – Bloomberg.com – "To the extent the world moves to Web-based software, that's very hard for Microsoft — it completely unlocks their grip on your desktop,'' said Sarah Friar, a Goldman, Sachs & Co. analyst in San Francisco. "Within Microsoft, people just pooh- pooh that idea. There's a huge complacency within the company.''
Mercedes-Benz SLR McLaren Roadster 722 S | Uncrate – Want. With 650 hp and a top speed of 220 mph, the Mercedes-Benz SLR McLaren Roadster 722 S ($TBA; Jan. 2009) may quite possibly be the fastest open-top production car ever built. Powered by a supercharged 5.5 liter V8 engine hand-built in the Mercedes-AMG engine shop in Affalterbach, the 722 S features a carbon fiber body, crystal antimony grey paint finish, and a soft top that can withstand sustained 200 mph+ top speeds
InfoQ: Extremely Short Iterations as a Catalyst for Effective Prioritization of Work – Mishkin Berteig presents a situation where he proposed to a software development team, which just started to experiment with Scrum, to accept 2-days iterations. The approach was trying to tackle their organizational lack of prioritization resulting in constant crisis. Their decision led to a bigger crisis which exposed the need for task prioritization.
Data Mining in the Cloud – Brian Knight – Microsoft is offering a new service to allow you to do the same type of data mining in the plugin online. Simply upload your Excel spreadsheet of data and you have all the same functionality online that you did in the plugin.
Using Java Persistence in a J2EE 1.4 Web Application – This document takes you through the basics of how to add Java™ Persistence functionality to a J2EE 1.4 web application. Though the Java Persistence API was introduced as part of the Java EE 5 platform, it is possible to use Java Persistence in a J2EE 1.4 application
FactCheck.org: FactChecking Debate No. 1 – McCain and Obama contradicted each other repeatedly during their first debate, and each volunteered some factual misstatements as well. Here’s how we sort them out:
Davenport WebDAV-SMB Gateway – Davenport is a servlet which provides a WebDAV gateway to SMB shared resources. Typical usage would be to provide web-based read and write access to Windows shared drives. WebDAV clients, such as Windows' "Web Folders" can copy files to and from the shares over HTTP. Non-WebDAV-capable web browsers can also access the network, downloading files from shared folders in a seamless fashion.
InfoQ: Joshua Bloch: Bumper-Sticker API Design – I distilled the essence of the talk down to a modest collection of pithy maxims, in the spirit of Jon Bentley's classic Bumper-Sticker Computer Science, Item 6 in his excellent book, More Programming Pearls: Confessions of a Coder (Addison-Wesley, 1988).
Bliki in a Jar 3.0.9 released – Bliki in a Jar is a small Wiki written in Java with focus on supporting the Wikipedia syntax. It is intended to run on an USB stick as a replacement for a paper notebook as a Personal Information Manager
Hey Rod, You Are Killing Your Company – Weiqi Gao’s Observations – After a new major version of Spring is released, community maintenance updates will be issued for three months to address initial stability issues. Subsequent maintenance releases will be available to SpringSource Enterprise customers. Bug fixes will be folded into the open source development trunk and will be made available in the next major community release of the software.
Who Will Tell the People? – New York Times – We need a president who is tough enough to tell the truth to the American people. Any one of the candidates can answer the Red Phone at 3 a.m. in the White House bedroom. I’m voting for the one who can talk straight to the American people on national TV
The All-White Elephant in the Room – New York Times – Mr. Hagee is not a fringe kook but the pastor of a Texas megachurch. On Feb. 27, he stood with John McCain and endorsed him over the religious conservatives’ favorite, Mike Huckabee, who was then still in the race.
Headius: The Power of the JVM – The future is definitely looking awesome for dynamic languages on the JVM. And languages like Groovy and JRuby are proving it.
Sleep deprivation is not a badge of honor – (37signals) – Forgoing sleep is like borrowing from a loan shark. Sure you get that extra hours right now to cover for your overly-optimistic estimation, but at what price? The shark will be back and if you can’t pay, he’ll break your creativity, morale, and good-m
Common Solutions for T-SQL Problems – Home – Some of the Moderators, Answerers, and MVPs have gotten together to create a new resource to supplement the Forums; it's called SQLExamples. We just started it a few weeks ago so it's still very much in its infancy
SaveTheDevelopers.org :: Making The Web A Better Place – Say no to IE 6! Our current campaign focuses on assisting users in upgrading their Internet Explorer 6 web browser. This campaign will result in former IE 6 users having a more enjoyable experience on the web while (hopefully) creating a less stressful an
Save the Developers! Stop Using Internet Explorer 6 – There is a scourge on the Web. It is called Internet Explorer 6. Even though IE7 has been around for more than two years, IE6 still represents 31% of all browsers out there (versus only 22 % for IE7 and 36.5 % for Firefox).
The ’80s Video That Pops Up, Online and Off – New York Times – For rickrolling, the duck was replaced with the 20-year-old Astley video, and in the last year it has become a hugely successful “meme,” the Internet’s word for an idea repeated across the Web. The video from yougotrickrolled.com has been viewed mor
ETL for Free-Form Data – SQL Server Central – Would you like to learn a handy little process for extracting, transforming and loading data fields from a free-form source like a web page or word processing document into something structured like a staging table?
Asynchronous HTTP and Comet architectures – Java World – In this article, Gregor Roth takes a wider view of asynchronous HTTP, explaining its role in developing high-performance HTTP proxies and non-blocking HTTP clients, as well as the long-lived HTTP connections associated with Comet.