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• Learn Lean Software Development and Kanban Systems

  - by Ben Griswold

  I did an in-house presentation on Lean Software Development (LSD) and Kanban Systems this week.  Beyond what I had previously learned from various podcasts, I knew little about either topic prior to compiling my slide deck.  In the process of building my presentation, I learned a ton.  I found the concepts weren’t very difficult to grok; however, I found little detailed information was available online. Hence this post which is merely a list of valuable resources. Principles of Lean Thinking, Mary Poppendieck Lean Software Development, May Poppendieck Lean Programming, Mary Poppendieck Lean Software Development, Wikipedia Implementing Lean Software Thinking: From Concept to Cash, Poppendieck Lean Software Development Overview, Darrell Norton Lean Thinking: Banish Waste and Create Wealth in Your Corporation The Goal: A Process of Ongoing Improvement The Toyota Way Extreme Toyota: Radical Contradictions That Drive Success at the World’s Best Manufacturer Elegant Code Cast 17 – David Laribee on Lean / Kanban Herding Code Episode 42: Scott Bellware on BDD and Lean Development Seven Principles of Lean Software Development, Przemys?aw Bielicki Kanban Boards for Agile Project Management with Zen Author Nate Kohari Herding Code 55: Nate Kohari brings Your Moment of Zen James Shore on Kanban Systems Agile Zen Product Site A Leaner Form of Agile, David Laribee Kanban as Alternative Agile Implementation, Mark Levison Lean Software Development, Dr. Christoph Steindl Glossary of Lean Manufacturing Terms Why Pull? Why Kanban?, Corey Ladas

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• Super Computer Built from Raspberry Pi Boards and LEGO Bricks

  - by Jason Fitzpatrick

  It was only a matter of time before someone chained together dozens of Raspberry Pi boards into a serviceable super computer; read on to see how a team of Southampton scientists built a 64-core machine using them. Image courtesy of Simon Cox and the University of Southampton. From the University of South Hampton press release: Professor Cox comments: “As soon as we were able to source sufficient Raspberry Pi computers we wanted to see if it was possible to link them together into a supercomputer. We installed and built all of the necessary software on the Pi starting from a standard Debian Wheezy system image and we have published a guide so you can build your own supercomputer.” The racking was built using Lego with a design developed by Simon and James, who has also been testing the Raspberry Pi by programming it using free computer programming software Python and Scratch over the summer. The machine, named “Iridis-Pi” after the University’s Iridis supercomputer, runs off a single 13 Amp mains socket and uses MPI (Message Passing Interface) to communicate between nodes using Ethernet. The whole system cost under £2,500 (excluding switches) and has a total of 64 processors and 1Tb of memory (16Gb SD cards for each Raspberry Pi). Professor Cox uses the free plug-in ‘Python Tools for Visual Studio’ to develop code for the Raspberry Pi. How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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• The Disloyalty Card

  - by David Dorf

  Let's take a break from technology for a second; please indulge me. (That's for you Erick.) A few months back, James Hoffmann reported that Gwilym Davies, the 2009 World Barista Champion, had implemented a rather unique idea for his cafe: the disloyalty card. His card lists eight nearby cafes in London that the cardholder must visit and try a coffee. After sampling all eight and collecting the required stamps, Gwilym provides a free coffee from his shop. His idea sends customers to his competitors. What does this say about Gwilym? First, it tells me he's confident in his abilities to make a mean cup of java. Second, it tells me he's truly passionate about his his trade. But was this a sound business endeavor? Obviously the risk is that one of his loyal customers might just find a better product at a competitor and not return. But the goal isn't really to strengthen his customer base -- its to strengthen the market, which will in turn provide more customers over the long run. This idea seems great for frequently purchased products like restaurants, bars, bakeries, music, and of course, cafes. Its probably not a good idea for high priced merchandise or infrequently purchased items like shoes, electronics, and housewares. Nevertheless, its a great example of thinking in reverse. Try this: Instead of telling your staff how you want customers treated, list out the ways you don't want customers treated. Why should you limit people's imagination and freedom to engage customers? Instead, give them guidelines to avoid the bad behavior, and leave them open to be creative with the positive behavior. Instead of asking the question, "how can we get more people in our stores?" try asking the inverse: "why aren't people visiting our stores?" Innovation doesn't only come from asking "why?" Often it comes from asking "why not?"

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• Java Spotlight Episode 97: Shaun Smith on JPA and EclipseLink

  - by Roger Brinkley

  Interview with Java Champion Shaun Smith on JPA and EclipseLink. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News Project Jigsaw: Late for the train: The Q&A JDK 8 Milestone schedule The Coming M2M Revolution: Critical Issues for End-to-End Software and Systems Development JSR 355 passed the JCP EC Final Approval Ballot on 13 August 2012 Vote for GlassFish t-shirt design GlassFish on Openshift JFokus 2012 Call for Papers is open Who do you want to hear in the 100 JavaSpotlight feature interview Events Sep 3-6, Herbstcampus, Nuremberg, Germany Sep 10-15, IMTS 2012 Conference,  Chicago Sep 12,  The Coming M2M Revolution: Critical Issues for End-to-End Software and Systems Development,  Webinar Sep 30-Oct 4, JavaONE, San Francisco Oct 3-4, Java Embedded @ JavaONE, San Francisco Oct 15-17, JAX London Oct 30-Nov 1, Arm TechCon, Santa Clara Oct 22-23, Freescale Technology Forum - Japan, Tokyo Nov 2-3, JMagreb, Morocco Nov 13-17, Devoxx, Belgium Feature InterviewShaun Smith is a Principal Product Manager for Oracle TopLink and an active member of the Eclipse community. He's Ecosystem Development Lead for the Eclipse Persistence Services Project (EclipseLink) and a committer on the Eclipse EMF Teneo and Dali Java Persistence Tools projects. He’s currently involved with the development of JPA persistence for OSGi and Oracle TopLink Grid, which integrates Oracle Coherence with Oracle TopLink to provide JPA on the grid. Mail Bag What’s Cool James Gosling and GlassFish (youtube video) Every time I see a piece of C code I need to port, my heart dies a little. Then I port it to 1/4 as much Java, and feel better. Tweet by Charles Nutter #JavaFX 2.2 is really looking like a great alternative to Flex. SceneBuilder + NetBeans 7.2 = Flash Builder replacement. Tweet by Danny Kopping

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• xvidcap: Error accessing sound input from /dev/dsp

  - by stivlo

  I'm running Ubuntu 11.10 and I'm trying xvidcap to record a screencast with audio from the microphone, however it can't record any sound: $ xvidcap --file appo.avi --cap_geometry 700x500-0+0 Error accessing sound input from /dev/dsp Sound disabled! Sure enough /dev/dsp doesn't even exist: $ sudo ls -lh /dev/dsp ls: cannot access /dev/dsp: No such file or directory I found a blog post about fixing xvidcap sound input, however if I try the suggestion I get: $ sudo modprobe snd-pcm-oss FATAL: Module snd_pcm_oss not found. So the question is, how can I create /dev/dsp? The problem behind the problem is: how can I record sound from the microphone with xvidcap? So workarounds are welcome too. UPDATE: I've followed the suggestion of James, and something has improved. The error accessing /dev/dsp is gone, however now I get: [oss @ 0x8e0c120] Estimating duration from bitrate, this may be inaccurate xtoffmpeg.c add_audio_stream(): Can't initialize fifo for audio recording Now when I record xvidcap appears in the recording tab of pavucontrol and I can choose Audio stream from Internal Audio Analog Stereo or Monitor of Internal Audio Analog Stereo, I tried both just in case, but the video is still mute. UPDATE 2: I found that "Monitor of" is the one to record application sounds, while for microphone, I should choose "Internal Audio Analog Stereo". To rule out other problems, such as with the microphone, I tried with gnome-sound-recorder and it works. Actually I jumped on my chair, since the volume was too high! :-)

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• Inside Sweden’s Nuclear Bunker Turned Data Center

  - by Jason Fitzpatrick

  A data center inside a decommissioned nuclear bunker is interesting enough, but one that looks as futuristic and awesome as the center under Stockholm begs to be seen. A hundred feet under the city of Stockholm is a decommissioned nuclear bunker that the government had previously leased out intermittently for various events, but it was never put to serious or extended use. Not until, that is,  Jon Karlung discovered the location and brought his vision of an ultra-modern, stylish, and secure data center to life. The passage from Wired’s write up of their photo tour that best encapsulates the feel of the bunker is: Most often data centers are built in boxy warehouses, so Bahnhof stands out as perhaps the world’s most stylish. In fact, it inspired Cisco IT Architect Douglas Alger to write a book on the world’s best-looking data centers. ”The idea that people were sitting in a design meeting and said, ‘what we need for our data center is waterfalls,’ that must have been a very fascinating discussion,” Alger says. Hit up the link below for the full photo tour. Deep Inside the James Bond Villain Lair That Actually Exists [Wired] Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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• Silverlight Cream for March 13, 2010 -- #813

  - by Dave Campbell

  In this Issue: András Velvárt, Bobby Diaz, John Papa/Laurent Bugnion, Jesse Liberty, Christopher Bennage, Tim Greenfield, and Cameron Albert. Shoutouts: Svetla Stoycheva of SilverlightShow has an Interview with SilverlightShow Eco Contest Grand Prize Winner Daniel James Svetla Stoycheva of SilverlightShow also has an Interview with SilverlightShow Eco Contest Community Vote Winner Cigdem Patlak File this under #DoesHeEverSleep, Nokola has an EasyPainter Source Pack 1 Refresh And another filing in the same category by Nokola: EasyPainter Source Pack 2: Flickr, ComboCheckBox and more! In my last pre-#MIX10 'Cream post: From SilverlightCream.com: A Designer-friendly Approach to MVVM András Velvárt has an MVVM tutorial up on SilverlightShow from the Designer perspective of wiring up the View and ViewModel... good stuff my friend! Generate Strongly Typed Observable Events for the Reactive Extensions for .NET (Rx) In an effort to get more familiar with Rx, Bobby Diaz built a WhiteBoard app... there's a demo page plus the source... thanks Bobby! Silverlight TV 13: MVVM Light Toolkit My friend Laurent Bugnion is probably in the air flying to MIX10 right now, but at the MVP Summit last month, he recorded with John Papa and they produced an episode of Silverlight TV for Laurent's MVVM Light ... good stuff guys... see you tomorrow :) WCF Ria Services For Real Jesse Liberty has a great tutorial up on what it takes to get real data into your app ... you know... the stuff you have to get after reading a blog post that uses local stuff :) 1 Simple Step for Commanding in Silverlight Christopher Bennage is discussing Commanding and of course is using Caliburn for the example :) Use Silverlight Reactive Extensions (Rx) to build responsive UIs Tim Greenfield is beginning a two-parter on using Rx. In this first he has a comparison of with and without Rx... cool idea. General Purpose Sprite Class On the heels of Bill Reiss' Sprite posts, Cameron Albert has a General Purpose Sprite class post up using Bill's SilverSprite. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    MIX10

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• Professional Windows Phone 7 Game Development: Creating Games using XNA Game Studio 4

  - by Chris Williams

  In 24 short days*, my (along with the awesome George W. Clingerman) first book will be released:   Professional Windows Phone 7 Game Development: Creating Games using XNA Game Studio 4 (or as we like to call it, that damned 550 page monstrosity that nearly killed us) Weighing in at 552 pages and featuring a foreward by the legendary James Silva (Ska Studios, creator of The Dishwasher: Dead Samurai, The Dishwasher: Vampire Smile, I MAED A GAME W1TH Z0MB1ES 1NIT!!!1, and more...) this book gives thorough coverage of XNA 4.0 as it relates to Windows Phone 7. The book is written in a light, conversational tone, which means (unlike some books) you won't be compelled to gouge your eyes out with a rusty spork after reading the first few pages. At least, that’s the intent. If you do feel compelled to engage in some feats of eye-gouging sporkage, we (the authors of this book) would like to point out that we are not responsible and that seeking the help of a mental health professional might be advised. (We’re not qualified to dispense medical advice either.) The book is structured to introduce relevant material first, with code snippets and samples of how to use various phone features and XNA concepts, with helpful side notes along the way. After you've been exposed to a few chapters worth of concepts, you get the chance to bring them together by building a game that leverages those features. This book contains THREE (3!) complete games, including: Drive & Dodge (a racing game), Poker Dice (roll dice to make poker hand combinations) and Picture Puzzle (take a photo and turn it into a jigsaw puzzle.) Writing this book has been an incredible experience, and we hope reading it will be equally informative for all of you. We’re also happy to announce there will be a Kindle edition available, along with various other electronic media. Get your copy from Wiley.com, Amazon.com, Barnes & Noble, and anywhere else awesome books are sold. *more or less… some sites list the publication date as early march, but the official street date is 2/21/2011

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• The Debut of Oracle Database Firewall at RSA 2011

  - by Troy Kitch

  We're very proud of the coverage and headlines Oracle Database Firewall made this past week during RSA Conference 2011 in San Francisco. In case you missed our previous post, we announced the availability of this latest addition to the Oracle Defense-in-Depth database security solutions. The announcement was picked up many publications including eWeek, CRN, InformationWeek and more. Here is just some of the press on this very important security solution: "It's rare to find a new product category these days, but I think a new product from Oracle fills the bill. In the crowded enterprise security field, that's saying something." Enterprise System Journal: A New Approach to Database Security By James E. Powell "Databases and the content they store are among the most valuable IT assets - and the most targeted by hackers. In an effort to help secure databases, Oracle today is launching the new Oracle Database Firewall as an approach to defend databases against SQL injection and other database attacks." Database Journal: Oracle Debuts Database Firewall (also appeared in InternetNews.com) By Sean Michael Kerner "Oracle Database Firewall understands SQL-statement formats, and can be configured to blacklist and whitelist traffic based on source. When it detects suspicious statements within SQL traffic -- ones that might indicate SQL injection attacks, for example -- it can replace them with neutral statements that will keep the session running without allowing potentially harmful traffic through." Network World: Oracle Database Firewall defuses SQL injection attacks By Tim Green "The firewall uses "SQL grammar analysis" to prevent SQL injection attacks and other attempts to grab information. The Oracle Database Firewall features white and black lists policies, exceptions and rules that mark the time of day, IP address, application and user." ZDNet: RSA Roundup: Oracle Database Firewall By Larry Dignan "The database giant announced Oracle Database Firewall on Feb. 14 at the RSA Conference in San Francisco. The firewall application establishes a "defensive perimeter" around databases by monitoring and enforcing normal application behavior in real-time, the company said." eWEEK: Oracle Database Firewall Delivers Vendor-Agnostic Security By Fahmida Y. Rashid

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• Podcast Show Notes: Toronto Architect Day Panel Discussion

  - by Bob Rhubart

  The latest Oracle Technology Network ArchBeat Podcast features a four-part series recorded live during the panel discussion at OTN Architect Day in Tornonto, April 21, 2011. More than 100 people attended the event, and the audience tossed a lot of great questions at a terrific panel. Listen for yourself... Listen to Part 1 Panel introduction and a discussion of the typical characteristics of Cloud early-adopters. Listen to Part 2 (June 22) The panelists respond to an audience question about what happens when data in the Cloud crosses international borders. Listen to Part 3 (June 29) The panel discusses public versus private cloud as the best strategy for small or start-up businesses. Listen to Part 4 (July 6) The panel responds to an audience question about how cloud computing changes performance testing paradigms. The Architect Day panel includes (listed alphabetically): Dr. James Baty: Vice President, Oracle Global Enterprise Architecture Program [LinkedIn] Dave Chappelle: Enterprise Architect, Oracle Global Enterprise Architecture Program [LinkedIn] Timothy Davis: Director, Enterprise Architecture, Oracle Enterprise Solutions Group [LinkedIn] Michael Glas: Director, Enterprise Architecture, Oracle [LinkedIn] Bob Hensle: Director, Oracle [LinkedIn] Floyd Marinescu: Co-founder & Chief Editor of InfoQ.com and the QCon conferences [LinkedIn | Twitter | Homepage] Cary Millsap: Oracle ACE Director; Founder, President, and CEO at Method R Corporation [LinkedIn | Blog | Twitter] Coming Soon IASA CEO Paul Preiss talks about architecture as a profession. Thomas Erl and Anne Thomas Manes discuss their new book SOA Governance: Governing Shared Services On-Premise & in the Cloud A discussion of women in architecture Stay tuned: RSS

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• ArchBeat Link-o-Rama for 2012-03-23

  - by Bob Rhubart

  Why is Java EE 6 better than Spring? | Arun Gupta blogs.oracle.com "While Spring was revolutionary in its time and is still very popular and quite main stream in the same way Struts was circa 2003, it really is last generation's framework," says Arun Gupta. "Some people are even calling it legacy." OWSM vs. OEG - When to use which component - 11g | Prakash Yamuna blogs.oracle.com Prakash Yamuna shares a brief but informative summary. Webcast Q&A: Demystifying External Authorization blogs.oracle.com The slide deck, a transcript of the audience Q&A, and a link to replay of the recent Oracle Entitlements Server webcast featuring Tanya Baccam from SANS Institute. Anil Gaur on Cloud Computing Support in Java EE 7 www.infoq.com InfoQ's Srini Penchikala talks with Anil Gaur, Vice President of Software Development at Oracle, about cloud computing support in Java EE 7, project road map and timeline, cloud API in Java EE 7, and cloud development and deployment tools. Want to Patch your Red Hat Linux Kernel Without Rebooting? | Lenz Grimmer blogs.oracle.com Lenz Grimmer shares info an resources for those interested in learning more about KSplice. Oracle Linux Newsletter, March Edition www.oracle.com Get a spring dose of Linux goodness. Oracle Enterprise Gateway: Integration with Oracle Service Bus and Oracle Web Services Manager www.oracle.com Oracle Enterprise Gateway and Oracle Web Services Manager are central points of a SOA initiative when security is paramount. In this article, William Markito Oliveira and Fabio Mazanatti describe how to integrate these products with Oracle Service Bus. Thought for the Day "We always strain at the limits of our ability to comprehend the artifacts we construct — and that's true for software and for skyscrapers." — James Gosling

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• Sign of a Good Game

  - by Matt Christian

  (Warning: This post contains spoilers about SILENT HILL 2.  If you haven't played this game, you are dumb) What is one sign of a great game? One of the signs I realized recently is when a game continues to stun and surprise you years and years after you've played and beaten it.  As a major Silent Hill fan, I recently was reminded of Silent Hill 2 and even though see it as one of my favorite Silent Hill games, there are still things I'm learning about it that are neat little additions that add to the atmosphere (atmosphere also makes a great game!). For instance, when you start the game you are given a letter by your wife who has been deceased for years and years.  You are directed to Silent Hill and start treking through hell all by your lonesome (with the exception of a few psychos).  As you continue through the game, pieces of the letter begin to fade and disappear until eventually it is completely non-existent, thus implying the letter was never real and the letter was a delusion you created. Another example is the game's use of imagery the player knows about but might not notice at first.  For me, the most apparent of these was the dress you find near the start when you find the flashlight, which is the same dress you see Mary (your wife) wearing in the flashback sequences.  However, one thing I didn't know was that several deceased bodies you encounter laying around Silent Hill are actually the body of the main character (James) which invokes an idea you've seen that body before but can't pinpoint where... It's amazing to see a game go to such unique lengths to provide a psychological horror game.  Sure, all the dead bodies could be randomly modelled and the dress could be any ol' dress, but just the idea of your brain knowing something deep down but you can't pinpoint it is a really unique idea.  In my opinion, it ties less into subconscious and more into natural tendencies, it taps into the fear hidden inside us all.

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• Leaving Microsoft

  - by Stephen Walther

  After two and a half years working with the ASP.NET team, I’ve decided that this is the right time to leave Microsoft and, with the help of some friends, re-launch my ASP.NET training and consulting company. The company has the modest name Superexpert. While working on my Ph.D. at MIT, I was surrounded by professors and students who were passionate about knowledge. During the Internet boom, I was lucky enough to work side-by-side with some very smart and hard-working people to create several successful startups. However, the people I worked with at Microsoft were among the smartest and hardest working. Microsoft hires a small number of people and gives them huge responsibilities. It continues to amaze me that so few people work on the ASP.NET team when you consider how much the team produces. I had the opportunity to work with a number of inspiring people at Microsoft. I’ll miss working with Scott Hunter, Dave Reed, Boris Moore, Eilon Lipton, Scott Guthrie, James Senior, Jim Wang, Phil Haack, Damian Edwards, Vishal Joshi, Mike Pope, Jon Young, Dmitry Robsman, Simon Calvert, Stefan Schackow, and many others. I’m proud of what we accomplished while I was working at Microsoft. We reached out to the jQuery team and changed direction from Microsoft Ajax to jQuery. We successfully contributed several important new features to the open-source jQuery project including jQuery Templates, jQuery Data-Linking, jQuery Globalization, and (as John Resig announced at the last jQuery conference) jQuery Require. I’m looking forward to returning to training and consulting. We want to focus on providing consulting on the “right way” of building ASP.NET websites, which we call Modern ASP.NET applications. By Modern ASP.NET applications, I mean applications built with ASP.NET MVC, jQuery, HTML5, and Visual Studio ALM. Additionally, we want to help companies that have existing ASP.NET Web Forms applications migrate to ASP.NET MVC. If you are interested in having us provide training for your company or you need help building a custom ASP.NET application then please contact us at [email protected] or visit our website at Superexpert.com.

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• Building Web Applications with ACT and jQuery

  - by dwahlin

  My second talk at TechEd is focused on integrating ASP.NET AJAX and jQuery features into websites (if you’re interested in Silverlight you can download code/slides for that talk here). The content starts out by discussing ScriptManager features available in ASP.NET 3.5 and ASP.NET 4 and provides details on why you should consider using a Content Delivery Network (CDN).  If you’re running an external facing site then checking out the CDN features offered by Microsoft or Google is definitely recommended. The talk also goes into the process of contributing to the Ajax Control Toolkit as well as the new Ajax Minifier tool that’s available to crunch JavaScript and CSS files. The extra fun starts in the next part of the talk which details some of the work Microsoft is doing with the jQuery team to donate template, globalization and data linking code to the project. I go into jQuery templates, data linking and a new globalization option that are all being worked on. I want to thank Stephen Walther, Dave Reed and James Senior for their thoughts and contributions since some of the topics covered are pretty bleeding edge right now.The slides and sample code for the talk can be downloaded below.     Download Slides and Samples

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• Object oriented design importance

  - by user5507

  I started studying Object Oriented Design and Modelling using the this book by James Rumbaugh. It uses a tool called Object Modeling Technique (OMT). I have certain newbie questions. I searched the net, but couldn't get answers The book is pretty old. Don't know why the school told me to learn this. I know OMT is a predecessor of the Unified Modeling Language (UML). So its a waste? Whether the concepts change very much when we move from OMT to UML? I know OMT has Object, Dynamic and Functional Model. Wikipedia says UML is compatible with OMT and UML is a model too. As per wikipedia the UML models are Static and Dynamic and they are represented by different diagrams like class, object, activity, sequence..... I couldn't find the equivalence of this in OMT. I read that there are many object oriented development methods like OMT, Booch,.... Which one is used by Industry ? Where could I get a comparison of different Object oriented development methods?

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• links for 2010-04-29

  - by Bob Rhubart

  AS11 Oracle B2B Sync Support - Series 1 (Oracle Fusion Middleware - B2B Team Blog) Sinkarbabu Kirubanithi with part 1 of a planned 3-part series on synchronous message support in Oracle B2B 11g. (tags: oracle otn fusionmiddleware b2b) Java 2 Go!: How to write a simple yet “bullet-proof” object cache "So, while we were thinking hard to come up with the most efficient, generic and elegant way of finally implementing our weak and soft caches, Mr. Eric Chan, who is one of the main architects in Oracle Beehive team, had a very interesting breakthrough. In short terms, he thought of a very nice way of combining both WeakReference and SoftReference in our weak and soft caches so that they would provide exactly the same functionality without having to deal with those reference queues at all. Basically, instead of using a plain HashMap as our backing storage, we used a java.util.WeakHashMap in both our cache implementations. The hat trick was what and how to store things in it." - Eduardo Rodrigues (tags: oracle java sun) @jamet123: First Look – Oracle Data Mining "[Oracle Data Mining] is a nice product for Oracle database customers and well worth looking into. The new UI will only make it more so." James Taylor (tags: oracle otn datamining database) Live Webcast: Social BPM: Integrating Enterprise 2.0 with Business Applications #oracle Peggy Chen and Dan Tortorici show you how to take your business to the next level with a unified solution that fosters process-based collaboration between employees, partners, and customers. Wednesday, May 12, 2010 at 11:00am PT / 2:00pm ET (tags: oracle otn enterprise2.0 webcast)

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• Java Spotlight Episode 149: Geertjan Wielenga on NetBeans 7.4 @netbeans @geertjanw

  - by Roger Brinkley

  Interview with Geertjan Wielenga on the NetBeans 7.4 release Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link: Java Spotlight Podcast in iTunes. Show Notes News Everything in JavaFX is open sourced - Media is now opensource openjdk email Java SE 7 Update 45 Released 7u45 Caller-Allowable-Codebase and Trusted-Library Updated Security Baseline (7u45) impacts Java 7u40 and before with High Security settings What to do if your applet is blocked or warns of “mixed code”? LiveConnect changes in 7u45 JDK 8 end-game details and proposal for making a few exceptions Events Oct 28-30, JAX London, London Nov 4-8, Oredev, Malmö, Sweden Nov 6, JFall, Amsterdam, Netherlands Nov 11-15, Devoxx, Belgium Feature Interview Geertjan Wielenga is a principal product manager in Oracle for NetBeans and has been a member of the NetBeans Team for the past 7 years. NetBeans twitter: https://twitter.com/netbeans Geertjan’s twitter: https://twitter.com/geertjanw The Top Ten Coolest Features in NetBeans IDE 7.4 What’s Cool Nighthacking with James Gosling Arun Gupta waves goodbye and says hello JavaOne 2013 Roundup: Java 8 is Revolutionary, Java is back Survey on Java erasure/reification

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• Worldwide Web Camps

  - by ScottGu

  Over the next few weeks Microsoft is sponsoring a number of free Web Camp events around the world.  These provide a great way to learn about ASP.NET 4, ASP.NET MVC 2, and Visual Studio 2010. The Web Camps are two day events.  The camps aren’t conferences where you sit quietly for hours and people talk at you – they are intended to be interactive.  The first day is focused on learning through presentations that are heavy on coding demos.  The second day is focused on you building real applications using what you’ve learned.  The second day includes hands-on labs, and you’ll join small development teams with other attendees and work on a project together. We’ve got some great speakers lined up for the events – including Scott Hanselman, James Senior, Jon Galloway, Rachel Appel, Dan Wahlin, Christian Wenz and more.  I’ll also be presenting at one of the camps. Below is the schedule of the remaining events (the sold-out Toronto camp was a few days ago): Moscow May 19-19 Beijing May 21-22 Shanghai May 24-25 Mountain View May 27-28 Sydney May 28-29 Singapore June 04-05 London June 04-05 Munich June 07-08 Chicago June 11-12 Redmond, WA June 18-19 New York June 25-26 Many locations are sold out already but we still have some seats left in a few of them.  Registration and attendance to all of the events is completely free.  You can register to attend at www.webcamps.ms. Hope this helps, Scott

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• Top 10 OTN Tech Articles for 2012

  - by Bob Rhubart

  It takes a special kind of IT pro to risk additional carpal tunnel damage to pound out a technical article after spending the day wrestling with a keyboard in dealing with other duties. That kind of dedication is noteworthy, even more so if people actually take the time to read the resulting article. So if you know any of the authors listed below, skip the handshake and give them a congratulatory slap on the back for all that time spent torturing their tendons. Their hard work has earned a place on this list of  the Top 10 most popular OTN articles published in 2012.  Getting Started with Java SE Embedded on the Raspberry Pi by Bill Courington and Gary Collins How Dell Migrated from SUSE Linux to Oracle Linux by Jon Senger, Aik Zu Shyong, and Suzanne Zorn Exploring Oracle SQL Developer by Przemyslaw Piotrowski Getting Started with Oracle Unbreakable Enterprise Kernel Release 2 by Lenz Grimmer How to Get Started (FAST!) with JavaFX 2 and Scene Builder by Mark Heckler How to Use Oracle VM VirtualBox Templates by Yuli Vasiliev How to Update Oracle Solaris 11 Systems From Oracle Support Repositories by Glynn Foster Tips for Hardening an Oracle Linux Server by Lenz Grimmer and James Morris How To Configure Browser-based SSO with Kerberos/SPNEGO and Oracle WebLogic Server by Abhijit Patil How to Create a Local Yum Repository for Oracle Linux by Jared Greenwald Of course, OTN has a great many articles covering a broad range of topics of interest to Java developers, DBAs, sysadmins, solution architects, and everybody else who works keeping the IT world running. You'll find them here. If you have suggestions for topics or technologies you'd like to see covered, please let us know. And if you have insight and expertise to share, why not write your own article? Click here to learn how to get published on OTN.

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• Get to Know a Candidate (18 of 25): Jack Fellure&ndash;Prohibition Party

  - by Brian Lanham

  DISCLAIMER: This is not a post about “Romney” or “Obama”. This is not a post for whom I am voting.  Information sourced for Wikipedia.  NOTE:  I apologize for getting this entry out of order. Fellure (born October 3, 1931) is an American perennial political candidate and retired engineer.  Fellure has formally campaigned for President of the United States in every presidential election since 1988 as a member of the Republican Party. He asserts on his campaign website that his platform based on the 1611 Authorized King James Bible has never changed. As a candidate, he calls for the elimination of the liquor industry, abortion and pornography, and advocates the teaching of the Bible in public schools and criminalization of homosexuality. He has blamed the ills of society on those he has characterized as "atheists, Marxists, liberals, queers, liars, draft dodgers, flag burners, dope addicts, sex perverts and anti-Christians." After another run in 2008, Fellure initially ran for the Republican Party's 2012 presidential nomination. He then decided to seek the nomination of the Prohibition Party at the party's national convention in Cullman, Alabama The Prohibition Party (PRO) is a political party in the United States best known for its historic opposition to the sale or consumption of alcoholic beverages. It is the oldest existing third party in the US. The party was an integral part of the temperance movement. While never one of the leading parties in the United States, it was once an important force in the politics of the United States during the late 19th century and the early years of the 20th century. It has declined dramatically since the repeal of Prohibition in 1933. The party earned only 643 votes in the 2008 presidential election. The Prohibition Party advocates a variety of socially conservative causes, including "stronger and more vigorous enforcement of laws against the sale of alcoholic beverages and tobacco products, against gambling, illegal drugs, pornography, and commercialized vice." Fellure has Ballot Access in: LA Learn more about Jack Fellure and Prohibition Party on Wikipedia.

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• MySQL Connect in 4 Days - Sessions From Users and Customers

  - by Bertrand Matthelié

  72 1024x768 Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Cambria","serif";} Let’s review today the conference sessions where users and customers will describe their use of MySQL as well as best practices. Remember you can plan your schedule with Schedule Builder. Saturday, 11.30 am, Room Golden Gate 7: MySQL and Hadoop—Chris Schneider, Ning.com Saturday, 1.00 pm, Room Golden Gate 7: Thriving in a MySQL Replicated World—Ed Presz and Andrew Yee, Ticketmaster Saturday, 1.00 pm, Room Golden Gate 8: Rick’s RoTs (Rules of Thumb)—Rick James, Yahoo! Saturday, 2.30 pm, Room Golden Gate 3: Scaling Pinterest—Yashwanth Nelapati and Evrhet Milam, Pinterest Saturday, 4.00 pm, Room Golden Gate 3: MySQL Pool Scanner: An Automated Service for Host Management—Levi Junkert, Facebook Sunday, 10.15 am, Room Golden Gate 3: Big Data Is a Big Scam (Most of the Time)—Daniel Austin, PayPal Sunday, 11.45 am, Room Golden Gate 3: MySQL at Twitter: Development and Deployment—Jeremy Cole and Davi Arnaut, Twitter Sunday, 1.15 pm, Room Golden Gate 3: CERN’s MySQL-as-a-Service Deployment with Oracle VM: Empowering Users—Dawid Wojcik and Eric Grancher, DBA, CERN Sunday, 2.45 pm, Room Golden Gate 3: Database Scaling at Mozilla—Sheeri Cabral, Mozilla Sunday, 5.45 pm, Room Golden Gate 4: MySQL Cluster Carrier Grade Edition @ El Chavo, Latin America’s #1 Facebook Game—Carlos Morales, Playful Play You can check out the full program here as well as in the September edition of the MySQL newsletter. Not registered yet? You can still save US$ 300 over the on-site fee – Register Now!

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• First Look - Oracle Data Mining

  - by kimberly.billings

  In his blog, JT on EDM, James Taylor shares his analysis of Oracle Data Mining, including its new GUI and Exadata integration. While Oracle Data Mining has been available for a while, it is now easier to access and try via the Amazon Cloud. Using the Oracle 11gR2 Data Mining Amazon Machine Image (AMI), you can launch an Oracle Data Mining-enabled instance directly through Amazon Web Services (AWS) and connect to it using the Oracle Data Miner graphical user interface. The new Oracle Data Mining GUI, which will be available to beta customers soon, provides more graphics, the ability to define, save and share analytical "work flows" to solve business problems, and provides more automation and simplicity. Taylor comments that, "the UI looks to have a nice look and feel including graphical model development flows, easy access to the data, nice little micro graphs when browsing data records and more." On using Oracle Data Mining with Exadata, Taylor writes, "Oracle says that the use of the ODM routines in the Exadata kernel is faster than running a native ODM model in the database by a factor of 2 and that this increases as more joins are used. This could mean that ODM outperforms even third party in-database analytics." Taylor concludes his blog with a positive overall review, stating that "ODM is a nice product for Oracle database customers and well worth looking into. The new UI will only make it more so." Read the blog. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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• ArchBeat Link-o-Rama for November 30, 2012

  - by Bob Rhubart

  Oracle SOA Database Adapter Polling in a Cluster: A Handy Logical Delete Pattern | Carlo Arteaga "Using the SOA database adapter usually becomes easier when the adapter is simply viewed and treated as a gateway between the Oracle SOA composite world and the database world," says Carlo Arteaga. "When viewing the adapter in this light one should come to understand that the adapter is not the ultimate all-in-one solution for database access and database logic needs." OIM 11g : Multi-thread approach for writing custom scheduled job | Saravanan V S Saravanan shares insight and expertise relevant to "designing and developing an OIM schedule job that uses multi threaded approach for updating data in OIM using APIs." When Premature Optimization Isn't | Dustin Marx "Perhaps the most common situations in which I have seen developers make bad decisions under the pretense of 'avoiding premature optimization' is making bad architecture or design choices," says Dustin Marx. Protecting Intranet and Extranet Applications with a Single OAM 11g Deployment | Brian Eidelman Oracle Fusion Middleware A-Team member Brian Eideleman's post, part of the Oracle Access Manager Academy series, explores issues and soluions around setting up a single OAM deployment to protect both intranet and extranet apps. Thought for the Day "Never make a technical decision based upon the politics of the situation, and never make a political decision based upon technical issues." — Geoffrey James Source: SoftwareQuotes.com

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• backing up a virtual machine

  - by ErocM

  I inquired with the support of justcloud.com telling them that I have a vmware vm that I was wondering if it could be backed up while in use. I can back up the vm once it is shut down but I was wondering if their "shadow copy" would back it up while running. This was their response: Thank you for your email. I am really very sorry but virtual machines can't be backed up for a simple reason that they are virtual, they have virtual memory, not physical memory. Please let me know if there is anything else I can help with. Kind Regards, Barry James User Experience Team www.justcloud.com These are physical files so I wasn't sure I even understood the response. Am I wrong in thinking that a vm can be backed up while in use? Does this response even make sense? I need a cheap alternative to backing up the vm off the server in case it goes down. Any suggestions?

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• The road to become a programmer [closed]

  - by user68991

  I'm looking for a 'career' change, I don't actually have a career at the moment since I haven't been able to find a job since I graduated with a degree in Materials Engineering. One of my loves has always been computers and programming, though I have never studied it seriously. When I was 11 I wrote a very basic graphical 'game' using notepad and HTML, where I drew each possible position of the main character on the different 'maze' level in MSPaint, using pictures of arrows as links to a new page with the character in a new position, and various other buttons would pop up 'search box', 'press button' etc. At the time I thought this was an amazing achievement of my programming skills. I've used a little bit of FORTRAN 90 whilst I was at university, which rekindled my interest in programming. When I was a kid I mainly used C and HTML, but only very basically as my 'game' suggests. I want to learn a new programming language, I'm not entirely sure where I want to go with it, but the number one contender at the moment is android apps. I'm looking at learning Java, but I've read that it's a difficult place to begin with; so I've also looked at learning Visual Basic, which I believe is also object oriented(?) but a little easier to understand? (not that I know what an object is anyway). Any information people could give me regarding which language to learn, and if there are any good online tutorial for that language I'd really appreciate it. Some of the tutorials I've used so far are full or jargon I can't understand. Also, I'm not afraid of maths having got an engineering degree. Thanks in advance for any help/advice. James

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