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• Exadata a kiskereskedelem (retail) számára

  - by Fekete Zoltán

  Egyik kedvenc blogomban a Rittman Mead honlapján hasznos eloadásra jelent meg infó és letöltési lehetoség. (Lásd a jobb oldali Top Tags dobozban a "blog" kulcsszót, és a legalsó bejegyzést.) Az eloadás címe: Exadata in the Retail Sector, azaz Exadata a felhasználása a kiskereskedelemben. Ezt az eloadást Jon Mead tartotta 2010. március 23-án Londonban az Exadata V2, Oracle Extreme Performance Data Warehousing Seminar rendezvényen. Mint láthatjuk, szinte minden gyümölcsrol beszéltek az Oracle adattárház és üzleti intelligencia virágzó gyümölcsökertjébol az Oracle BI, 11gR2 adattárház tulajdonságai és más témákban. Az eloadások a következo területekrol szóltak: - Exadata techikai ismertetés - ügyfél sztorik: LGR, Allegro, és nagy-britannia egyik legnagyobb online elektronikai kiskereskedelmi cége - Oracle BI - GoldenGate (adatreplikáció) - advanced compression (tranzakciós adatok tömörítése) - particionálás - OLAP - adatbányászat, Oracle Data Mining

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• Google I/O 2012 - Security and Privacy in Android Apps

  Google I/O 2012 - Security and Privacy in Android Apps Jon Larimer, Kenny Root Android provides features and APIs that allow development of secure applications, and you should be using them. This session will start with an overview of Android platform security features, then dig into the ways that you can leverage them to protect your users and avoid introducing vulnerabilities. You'll also learn the best practices for protecting user privacy in your apps. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 162 8 ratings Time: 01:01:03 More in Science & Technology

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• Cleaning up a folder structure from Visual Studio artifacts from the shell

  A few years ago I wrote a post that showed how to write a NAnt script to clean a folder structure from the artifacts folders used by Visual Studio. Today what I wanted to show you is a way that doesnt require NAnt installed on your computer, but that uses just a very simple command for Windows shell. Actually, its just a very tiny variation of the same command that Jon Galloway wrote to clean a folder structure from SVN files. But without further ado, here it is: Windows Registry Editor...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Quick and Dirty way to search for characters in a string

  - by mbcrump

  I saw this today on StackOverflow, all credit goes to Jon Skeet. I have always used RegEx or loops to check for special chars. This is a more human-friendly way of doing it.   Code Snippet using System;   class Program {     //field     private static readonly char[] SpecialChars = "!@#$%^&*()".ToCharArray();       static void Main(string[] args)     {         //text to search for         string text = "michael";         int indexOf = text.IndexOfAny(SpecialChars);               if (indexOf == -1)             {                 Console.WriteLine("no special char");             }               Console.ReadLine();     } }

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• Going Direct to Consumer in Consumer Goods – Live Webcast April 12

  - by Michael Seback

  Going Direct to Consumer is top of mind with executives in the Consumer Goods (CG) industry today.   Join our live webcast on Thursday, April 12 to learn what CG companies worldwide are thinking as they deploy their direct-to-consumer strategies in an effort to better engage with today’s empowered consumer. Hear Jon Copestake, Chief Consumer Goods Analyst of the Economist Intelligence Unit and Oracle to discuss the findings and industry trends. Some key findings include: Pushing traditional media through new media channels is not enough to reach today’s more plugged in, product-savvy consumer CG companies are experimenting with new ways to establish and enhance direct, two-way relationships with their target consumers across multiple channels Survey respondents and other CG executives see their nascent e-commerce efforts as complimentary to, not competing with, existing retail channels. Register to attend on April 12, 8:00 a.m. PT / 11:00 p.m. ET  

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• Can a programmer get too smart for their own good?

  - by P.Brian.Mackey

  The more I learn about programming, the more things I see that could be improved by a great deal. Often, a companies process management is total SWAG or they have Frames based websites written recently, .NET 1.1 based code, no separation of concerns, poor quality control...I could go on and on and on... Projects can succeed, but there tends to be so much waste I am amazed at how much time and money a company can throw away. I've seen it happen at several companies. So is it that ignorance truly is bliss? UPDATE Question "How is it that top developers (I don't mean like Jon Skeet level, I mean guys who are dedicated enough to hit a forum and try for self-improvement) even want to code anymore after they see the often insurmountable sociological and technical problems they are told to fix, but then scolded for doing so? "

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• Funny statements, quotes, phrases, errors found on technical Books [closed]

  - by Felipe Fiali

  I found some funny or redundant statements on technical books I've read, I'd like to share. And I mean good, serious, technical books. Ok so starting it all: The .NET framework doesn't support teleportation From MCTS 70-536 Training kit book - .NET Framework 2.0 Application Development Foundation Teleportation in science fiction is a good example of serialization (though teleportation is not currently supported byt the .NET Framework). C# 3 is sexy From Jon Skeet's C# in Depth second Edition You may be itching to get on to the sexy stuff from C# 3 by this point, and I don’t blame you. Instantiating a class From Introduction to development II in Microsoft Dynamics AX 2009 To instantiate a class, is to create a new instance of it. Continue or break From Introduction to development II in Microsoft Dynamics AX 2009 Continue and break commands are used within all three loops to tell the execution to break or continue. These are just a few. I'll post some more later. Share some that you might have found too.

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• Google I/O 2012 - It's a Startup World

  Google I/O 2012 - It's a Startup World Erik Hersman, Eden Shochat, Jon Bradford, Jeffery Paine, Jehan Ara Tech innovators and entrepreneurs across the world are building technologies that delight users, solve problems, and result in scaled local and global businesses. The web is a global platform, and as a developer or entrepreneur your audience is tool. Hear the unique perspectives from a panel of entrepreneurs and VCs around the world who have succeeded in creating, launching, and scaling unique endeavors from Israel, the UK, Kenya, Singapore to Pakistan. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 54 2 ratings Time: 59:54 More in Science & Technology

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• Microsoft Async CTP for DDD9 UK Developer Conference - slides and source code now available

  - by Liam Westley

  Thanks to all the nice comments from people who attended my presentation at DDD9, and extra thanks to Jon Skeet, Mark Rendle and Mike Hadlow for coming on stage for the last ten minutes to help debate whether the Async CTP is the correct way to go to enhance C# 5.0. The presentation is available at Prezi.com http://prezi.com/gysz5nohltye, which I can recommend as a refreshing change to the more standard PowerPoint slidedecks. I've also uploaded all the code samples into a single ZIP file. You will need to install the Async CTP to be able to run them, and I would remind everyone that the current Async CTP is not compatible with either ASP.NET MVC 3 RTM or Visual Studio 2010 Service Pack 1 so you may need to use a test system of virtual machine to play with it! Source code - http://www.tigernews.co.uk/blog-twickers/ddd9/AsyncSrc.zip Again, thanks for all the positive feedback and the whole of the DDD team for putting on a fantastic conference for all the presenters and delegates.

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• Programming languages specifications ebooks

  - by Oxinabox

  In this talk Jon Skeet talks about the advantages of reading programming language specifications. I have an Ebook Reader (a Sony, one of the better ones for PDF's, though EPub is still much better). Does anyone know any sources for specifications, optimised for ebook readersm that can be downloaded? I expect someone would have gone through the effort of optimising the websites for ebook reader reading, ideally: EPUB Format (though pdf will do) Annotated (eg XML) Most specifications I find don't have obvious download links. I'm having trouble googling because everytime I seach for say: "F# Spec EPUB" or "Python Spec PDF" most of the results are for the EPUB or PDF specifications.

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• Why use string.Empty over "" when assigning to a string object

  - by dreza

  I've been running StyleCop over my code and one of the recommendations SA1122 is to use string.Empty rather than "" when assigning an empty string to a value. My question is why is this considered best practice. Or, is this considered best practice? I assume there is no compiler difference between the two statements so I can only think that it's a readability thing? UPDATE: Thanks for the answers but it's been kindly pointed out this question has been asked many times already on SO, which in hind-sight I should have considered and searched first before asking here. Some of these especially forward links makes for interesting reading. SO question and answer Jon Skeet answer to question

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• Active - like-minded Java mailing lists

  - by Lewis Robbins

  I need to find an active Java mailing list, I have looked onto the GNU Java mailing list, to my surprise there had been not too much activity this month, it also focused on any GNU related Java - I'd really help me progress my Java ability, if I had an active, likeminded Java mailing list. Questions' that are not suited to Stackoverflow, or provide little benefit to any user that see's the question: discussing a new API change; best practices; open source discussion; trivia type questions on Java ArrayList boxining-unboxing; Community atmosphere. I also read Jon Skeets blog post about his previous Java/C# mailing lists examples - I did not catch any names, though I did they would be of benefit to me, if I had access to any of them.

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• Trying to Integrate Five9 and Apptivio [on hold]

  - by David Mitchell

  Five9 is a calling system application and Apptivio will be used to store client information for purchased products. Specifically what I need is an example code that will allow me to access Five9's CRM system using the access key and transfer a persons first and last name, for example, to Apptivio. The issue is I have never dealt with this type of system and I cannot find any information for it other than the Web2Campaign that was sent to me by Five9. Lets say this is the code from Five9 F9key=first_name&F9key=last_name&first_name=jon&last_name=smith Once this information is placed into Five9 I must update Apptivio with this information. I am lost as to how to send this information to Apptivio.

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• OWB és heterogén adatforrások, Oracle Magazine, 2010. május-június

  - by Fekete Zoltán

  Megjelent az Oracle Magazine aktuális száma (naná, az aktuális számnak ez a dolga. Oracle Magazine, 2010. május-június. Ebben a számban sok érdekes cikk közül válogathatunk: cloud computing, Java, .Net, új generációs backup, párhuzamosság és PL/SQL, OWB,... Ajánlom a Business Intelligence - Oracle Warehouse Builder 11g Release 2 and Heterogeneous Databases cikket, melyben megtudhatjuk, hogyan használhatunk heterogén adatforrásokat az Oracle Warehouse Builder ETL-ELT eszközzel, hogyan tudunk például SQL Serverhez csatlakozni, és nagy teljesítménnyel adatokat kinyerni. Az Oracle adatintegrációs weblapja. Ez a gazdag heterogenitás az OWB az Oracle Data Integrator testvér termékbol jön. Az adatintegrációs SOD azt mondja, hogy ez a két Java alapú termék, az OWB és az ODI egy termékben fognak egyesülni.

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• Why does everyone dislike PHP? [closed]

  - by SomeKittens

  I'm primarily a Java/Python programmer, but I just picked up an entry-level job doing web development. I had to learn PHP, and several of my CS friends told me that it would stunt my coding ability/be terrible to program in/murder me in the middle of the night. So far, there have been annoying moments with the language (one particular thing that bugs me is the syntax for calling functions...), but nothing living up to the statements of my friends. I still haven't learned very much about the language. Is their hate justified? Why or why not? A few quotes I've seen about PHP: Haskell is faster than C++, more concise than Perl, more regular than Python, more flexible than Ruby, more typeful than C#, more robust than Java, and has absolutely nothing in common with PHP. Audrey Tang "PHP is a minor evil perpetrated and created by incompetent amateurs, whereas Perl is a great and insidious evil, perpetrated by skilled but perverted professionals." Jon Ribbens. Programmer.

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• Interview question ranking FizzBuzz (1), implementing malloc (10)

  - by blrs

  I'd like to have your opinion on the difficulty of the following interview question: Find the subarray with maximum sum in an array of integers in O(n) time. This trivial sounding problem was made famous by Jon Bentley in his Programming Pearls where he uses it to demonstrate algorithm design techniques. On a scale of 1-10, 1 being the FizzBuzz (or HoppityHop) test and 10 being implement the C stdlib function malloc(), how would you rank the above problem? I think the people who can best answer this question are those who have read Programming Pearls and have tried to solve this problem on their own. To motivate those who haven't, 'Programming Pearls' gets featured many times in the 'Top 10 programming books' list.

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• Un chercheur informe Google d'une faille dans l'Android Market et le regrette, il aurait pu gagner le concours de hacking Pwn2Own

  Un chercheur informe Google d'une faille dans l'Android Market Et le regrette, il aurait pu gagner le concours de hacking Pwn2Own Un chercheur en sécurité a signalé à Google une vulnérabilité pouvant toucher son OS mobile Android. Une faille qu'il aurait pu utiliser lors du concours de hacking Pwn2Own qui se déroule actuellement et auquel il participe. Jon Oberheide, a découvert une vulnérabilité critique touchant l'Android Market ui pouvait être exploitée par un pirate pour installer à distance des applications malveillantes sur les terminaux Android en incitant les utilisateurs à cliquer sur un lien malveillant. Pensant que l'utilisation de cette vulnérabilité lors de la compéti...

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• Dynamic Fields/Columns

  - by DanMark

  What is the best way to allow for dynamic fields/database columns? For example, let's say we have a payroll system that allows a user to create unique salary structures for each employee. How could/should one handle this scenario? I thought of using a "salary" table that hold the salary component fields and joining these columns to a "salary_values" table that hold the actual values. Does this make sense? Example Salary Structures: Notice how the components of the salary can be shared or unique. -- Jon's Salary -- Basic 100 Annual Bonus 25 Tel. Allowances 15 -- Jane's Salary -- Basic 100 Travel Allowances 10 Bi-annual Bonus 30

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• Restricted Flow Of Power

  - by user13827

  I'm sure all is fine, but i need some reassurance. Last month my company launched consolidated two of their websites into one new website. www.fdmgroup.com and www.fdmacademy.com into a newly designed www.fdmgroup.com. Because the FDM Academy grew as it's own brand we decided not to just forward the domain to the fdmgroup website, but instead just mirror the new FDM Group website and use a canonical tags to the FDM Group domain (so the link juice will pass to the FDM Group domain pages) The website has be live for nearly a month and i don't believe any power has passed down through the FDM Group website to it's deeper pages even though 301 redirects from the legacy group and academy domains in place. I am also seeing the same problem on the FDM Academy domain, but i expect to see this as every page has a canonical to the same page on the Is there anything which is restricting the flow of power through the site, or am i just being impatient. Thanks in advance Jon

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• As a minor, how can I make programming profitable? [closed]

  - by lesderid

  Possible Duplicate: Can I be “too young” to get a programming job? I’m 15 and I want to Freelance I've always loved programming. I started when I was about 8 with making some silly WinForms applications in VB.Net that basically did nothing. Now, I'm 15 and I would say I'm quite good C# and I'm reading through Jon Skeet's C# In Depth. I also have some experience with VB, C++ and Assembler (mostly reverse engineering). I really love coding, which got me wondering about college, what I can study to get into the software business. However, I would like to earn some money now, so I can spend it on better hardware, on development tools or on other hobbies. This is hard because I don't have any work experience nor have I done any programming-related studies. It's also not legal for me to do any freelancing jobs as I'm under the age of 18. How can I use my current experience at my age to earn some money?

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• Coherence Special Interest Group: First Meeting in Toronto and Upcoming Events in New York and Calif

  - by [email protected]

  The first meeting of the Toronto Coherence Special Interest Group (TOCSIG). Date: Friday, April 23, 2010 Time: 8:30am-12:00pm Where: Oracle Mississauga Office, Customer Visitation Center, 110 Matheson Blvd. West, Suite 100, Mississauga, ON L5R3P4 Cameron Purdy, Vice President of Development (Oracle), Patrick Peralta, Senior Software Engineer (Oracle), and Noah Arliss, Software Development Manager (Oracle) will be presenting. Further information about this event can be seen here   The New York Coherence SIG is hosting its seventh meeting. Date: Thursday, Apr 15, 2010 Time: 5:30pm-5:45pm ET social and 5:45pm-8:00pm ET presentations Where: Oracle Office, Room 30076, 520 Madison Avenue, 30th Floor, Patrick Peralta, Dr. Gene Gleyzer, and Craig Blitz from Oracle, will be presenting. Further information about this event can be seen here   The Bay Area Coherence SIG is hosting its fifth meeting. Date: Thursday, Apr 29, 2009 Time: 5:30pm-5:45pm PT social and 5:45pm-8:00pm PT presentations Where: Oracle Conference Center, 350 Oracle Parkway, Room 203, Redwood Shores, CA Tom Lubinski from SL Corp., Randy Stafford from the Oracle A-team, and Taylor Gautier from Grid Dynamics will be presenting Further information about this event can be seen here   Great news, aren't they? 

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• Podcast Show Notes: Architect Day Panel Highlights

  - by Bob Rhubart

  The 2010 series of Oracle Technology Network Architect Day events kicked off in May with events in Dallas, Texas, Redwood Shores, California, and Anaheim, California. The centerpiece of each Architect Day event is a panel discussion that brings together the day's various presenters along with experts drawn from the local Oracle community. This week’s ArchBeat program presents highlights from the panel discussion from the event held in Anaheim. Listen The voices you’ll hear in these highlights belong to (listed in order of appearance): Ralf Dossmann: Director of SOA and Middleware in Oracle’s Enterprise Solutions Group LinkedIn | Oracle Mix Floyd Teter: Innowave Technology, Oracle ACE Director Blog | Twitter | LinkedIn | Oracle Mix | Oracle ACE Profile Basheer Khan: Innowave Technology, Oracle ACE Director Blog | Twitter | LinkedIn | Oracle Mix | Oracle ACE Profile Jeff Savit:  Oracle virtualization expert, former Sun Microsystems principal engineer Blog | LinkedIn | Oracle Mix Geri Born: Oracle security analyst LinkedIn | A 10-minute podcast can't really do justice to the hour-long panel discussion at each Architect Day event, let alone the discussion that is characteristic of each session throughout each Architect Day. But at least you’ll get a taste of what you’ll find at the live events. You’ll find slide decks and more from this first series of 2010 events in the Architect Day Artifacts post on this blog. More dates/cities will be added soon to the Architect Day schedule.  Coming Soon Next week’s ArchBeat program kicks off a three-part series featuring Cameron Purdy,  Oracle ACE Director Aleksander Seovic, and Oracle ACE John Stouffer in a conversation about data grid technology and Oracle Coherence. Stay tuned: RSS Technorati Tags: oracle,oracle technology network,archbeat,arch2arch,podcast,architect day del.icio.us Tags: oracle,oracle technology network,archbeat,arch2arch,podcast,architect day

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• Technical Questions for Java Experts

  - by Tori Wieldt

  The "Oracle Technology Network" (meaning me) will be at Devoxx next week doing interviews with Java experts. Do you have technical questions about Project Jigsaw, JavaFX or Java on MacOS? Take a look at the list below of experts and topics. Leave your questions as a comment on this blog and I'll do my best to include them. Most of the interviews happen Tuesday, so get you questions in quickly. Thanks! Interviewee InterviewTopic Arun Gupta and Alexis Moussine-Pouchkine Java EE Mark Reinhold OpenJDK Mark Reinhold Project Jigsaw Jasper Potts JavaFX Scott Kovatch Java on Mac OS Brian Goetz & Mark Reinhold JDK 8 Brian Goetz Project Lambda Steven Chin JavaFX Marek Potociar JAX-RS Claude Falguiere Dev for Tablets Alan Bateman NIO2 Regina ten Bruggencate JDuchess Martijn Verburg Adopt a JSR Note: This is different than the call for questions for the Fireside chat on Tuesday afternoon, Devoxx conference keynote speakers (Henrik Ståhl, senior director of product management for the Java platform at Oracle, and Cameron Purdy, VP of development for the Java EE platform) and the technical discussion panel on Friday morning. Leave (and vote on) those questions here. 

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• JavaOne 2012 Conference Preview

  - by Janice J. Heiss

  A new article, by noted freelancer Steve Meloan, now up on otn/java, titled “JavaOne 2012 Conference Preview,” looks ahead to the fast approaching JavaOne 2012 Conference, scheduled for September 30-October 4 in San Francisco. The Conference will celebrate and highlight one of the world’s leading technologies. As Meloan states, “With 9 million Java developers worldwide, 5 billion Java cards in use, 3 billion mobile phones running Java, 1 billion Java downloads each year, and 100 percent of Blu-ray disk players and 97 percent of enterprise desktops running Java, Java is a technology that literally permeates our world.”The 2012 JavaOne is organized under seven technical tracks:* Core Java Platform* Development Tools and Techniques* Emerging Languages on the JVM* Enterprise Service Architectures and the Cloud* Java EE Web Profile and Platform Technologies* Java ME, Java Card, Embedded, and Devices* JavaFX and Rich User ExperiencesConference keynotes will lay out the Java roadmap. For the Sunday keynote, such Oracle luminaries as Cameron Purdy, Vice President of Development; Nandini Ramani, Vice President of Engineering, Java Client and Mobile Platforms; Richard Bair, Chief Architect, Client Java Platform; and Mark Reinhold, Chief Architect, Java Platform will be presenting.For the Thursday IBM keynote, Jason McGee, Distinguished Engineer and Chief Architect for IBM PureApplication System, and John Duimovich, Java CTO and IBM Distinguished Engineer, will explore Java and IBM's cloud-based initiatives.All in all, the JavaOne 2012 Conference should be as exciting as ever.Link to the article here. Originally published on blogs.oracle.com/javaone.

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• JavaOne 2012 Conference Preview

  - by Janice J. Heiss

  A new article, by noted freelancer Steve Meloan, now up on otn/java, titled “JavaOne 2012 Conference Preview,” looks ahead to the fast approaching JavaOne 2012 Conference, scheduled for September 30-October 4 in San Francisco. The Conference will celebrate and highlight one of the world’s leading technologies. As Meloan states, “With 9 million Java developers worldwide, 5 billion Java cards in use, 3 billion mobile phones running Java, 1 billion Java downloads each year, and 100 percent of Blu-ray disk players and 97 percent of enterprise desktops running Java, Java is a technology that literally permeates our world.” The 2012 JavaOne is organized under seven technical tracks: * Core Java Platform* Development Tools and Techniques* Emerging Languages on the JVM* Enterprise Service Architectures and the Cloud* Java EE Web Profile and Platform Technologies* Java ME, Java Card, Embedded, and Devices* JavaFX and Rich User Experiences Conference keynotes will lay out the Java roadmap. For the Sunday keynote, such Oracle luminaries as Cameron Purdy, Vice President of Development; Nandini Ramani, Vice President of Engineering, Java Client and Mobile Platforms; Richard Bair, Chief Architect, Client Java Platform; and Mark Reinhold, Chief Architect, Java Platform will be presenting. For the Thursday IBM keynote, Jason McGee, Distinguished Engineer and Chief Architect for IBM PureApplication System, and John Duimovich, Java CTO and IBM Distinguished Engineer, will explore Java and IBM's cloud-based initiatives.All in all, the JavaOne 2012 Conference should be as exciting as ever. Link to the article here.

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