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  • General Session: Building and Managing a Private Oracle Java and Middleware Cloud

    - by Ruma Sanyal
    If you are developing, managing, or planning enterprise Java and business application deployments on Oracle WebLogic Server with Oracle Coherence or Oracle GlassFish Server applications or continue to have deployments of Oracle Application Server, this session will give you the roadmap of how Oracle is evolving this infrastructure to be the next-generation application foundation for its customers to build on in a private cloud setting. In the session, Ajay Patel, VP of Product Management, and the product management team shares Oracle's vision, product plans, and roadmap for this server infrastructure and how it will be used in the rapidly maturing cloud infrastructure space. The presentation will help you make key decisions about running your enterprise applications on Oracle's enterprise Java server foundation. For more information about this and other Cloud Application Foundation sessions, review the Cloud Application Foundation Focus On document. Details: Monday, 10/1; 4.45-5.45pm; Moscone West Room 3014

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  • Looking for new language and new technology [closed]

    - by Basim
    back when Microsoft relased .Net in 2002 or whatever, when I look at that time I say to myself what I if I picked one of Microsoft language in that time and still work on it, of course I will be professional by now. I am looking for a new language that is going up and will be big thing in the next 5-10 years, so in that time i can see the big picture and I know that I'm one of the few people who started from the beginning with X programming language or technology. My interest is web development.

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  • Improving the performance of JDeveloper11g (part 2) and JVMs in general

    - by asantaga
    Just received an email from one of our JVM developers who read my blog entry on Performance tuning JDeveloper11g and he's confirmed that all of the above parameters are totally supported :-) He's also provided a description of the parameters so we can learn what magic is actually being applied. - -XX:+AggressiveOpts -- this enables the latest and greatest JVM optimizations. It will likely help most Java applications. It's fully supported. The downside of it is that because it has the latest and greatest optimizations, there is some small probability that it may not offer as good of an experience. As those features enabled with this command line option have "matured", they are made the default in a future JDK release. So, you can think of this command line option as the place where the newest optimizations get introduced. Some time later they are moved out from under AggressiveOpts to become default behavior. -XX:+OptimizeStringConcat -- only works with the -server JVM. It may be enabled by the default in a future JDK 7 update release. This option delays the construction of a StringBuilder/StringBuffer and attempts to avoid re-sizing the underlying char[] by attempting to detect the size of the char[] to allocate based on what's being appended to the StringBuilder/StringBuffer. -XX:+UseStringCache -- I would not suggest using this unless you knew that JDeveloper allocated the same string over and over again. And, the string that's allocated over and over again is one of the first 100,000 allocated strings. In short, I'd recommend against using it. And, in fact, in Java 7 (currently) does not include this feature. -XX:+UseCompressedOops -- applicable to 64-bit JVMs. And, if you're using a 64-bit JVM, I'd suggest you use it. It's auto enabled in JDK 7 64-bit JVMs and later JDK 6 64-bit JVMs enable it by default too. -XX:+UseGCOverheadLimit -- by default this option is already enabled. One other command line option to consider is -XX:+TieredCompilation for a JDK 6 Update 25 or later, or JDK 7. This gives you the startup of a -client JVM and the peak performance of a -server JVM. Awesome-ness!  Finally, Charlies also pointed out to me a "new" book he's just published where he goes into the details of JVM tuning, a must for all Fusion Middleware tuning exercises..  (click the book)  Thanks Charlie!

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  • Commnunity Technology Update (CTU) 2011

    - by Aman Garg
    Spoke at the session on Webforms in CTU 2011 (Community Technology Update) in Singapore. Had a good interaction with the Developer community here in Singapore. I covered the following topics during the session:   *Dynamic Data *Routing *Web Form Additions         *Predictable Client IDs          *Programmable Meta Data           *Better control over ViewState           *Persist selected rows *Web Deployment   The Slide Deck used can be accessed using the following URL: http://www.slideshare.net/amangarg516/web-forms-im-still-alive

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  • Lifecycle Technology Delivers AutoVue Visualization Integration for SAP

    Lifecycle Technology is an Oracle development partner and has built a Connector for Oracle's AutoVue visualization solution and SAP. Their area of expertise lies in integrating AutoVue visualization and printing solutions with SAP business processes within Asset Lifecycle Management,Product Lifecycle Management,and Document Management Systems. Lifecycle visually enables a variety of SAP workflows and processes in manufacturing,plant maintenance,and production. Their solutions allow SAP enterprise customers to view technical or engineering documents in the appropriate business context and/or print them as required in their workflows, improving productivity and decision making.

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  • General solution to solve different sports results in different languages

    - by sq2
    I currently have some code that checks if squash and tennis scores are valid, both in javascript and PHP. This results in 4 blocks of code existing, 2 languages * 2 sports, which does not scale well should any extra sports come around, or extra languages... How can one describe the valid scores of games via a settings/text file, so that each language can parse them and apply these rules. I'm stumped with the strange tie break situations in tennis should it reach 6-6 in a set, and also infinite play off in the final set should it reach 2 sets all. ie: tennis = { "format": [ { "name": "sets" "min": 3, "max": 5, "winby": 1 }, { "name": "games" "min": 6, "max": 7, "winby": 2 } ] } squash = { "format": [ { "name": "games" "min": 3, "max": 5, "winby": 1 }, { "name": "points" "min": 15, "max": 0, "winby": 2 } ] }

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  • Outlook of XBAP technology [closed]

    - by Dan
    My company is debating releasing an application using XBAP deployment. Does anyone know the feasibility of this technology? It seems like it only exists in IE and there's been no new development talk from MS about it. It seems like most people are going Silverlight (though even that's being cut from what I can tell in favor of HTML5). What are your thoughts? I can't even seem to find anything about MS supporting it in IE10.

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  • General List of Common Programming Errors

    - by javamonkey79
    As one journey's from apprentice to journeyman to master I've noticed that one accumulates a list of best practices for things they've been bitten by. Personally, I write most of my stuff in java & SQL so my list tends to be slated towards them. I've accumulated the following: When doing list removal, always reverse iterate Avoid adding items to a list you are currently iterating on Watch out for NullPointerExceptions Now, I know there are language specific "common errors" links out there like this one. And I'm also aware of the pragmatic programmer tips, Martin Fowler's "code smells". Does anyone know of any good lists out there of things like I've listed above (re: list removal, adding items, etc). My guess is that there are some good QA folks out there that can probably throw me a bone here. I'm not looking for things the compiler can catch - I'm looking for common things that cause bugs. In the event that there isn't a list out there already then I welcome posting your own findings here. Thanks in advance!

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  • We are Cool Oraclites : Selfie Contest Part 1 by PSG College of Technology

    - by Nadiya
    Excitement,Happiness,Fun and frolic all around.We students from PSG College of Technology Coimbatore are all set to enter a new phase in life.Crossover from Campus to Corporate,Crossover from naughtiness to professionalism.Anxiety all around,but yes we are sure our journey to awesomeness is about to begin.We are going to be a part of an Organization we dreamt off..Our dreams are taking colors and we are all set to fly.Here we come with millions of hopes and dreams all the way from PSG to Oracle .

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  • Advice on how to understand in general and in practice IT Infrastructure

    - by Luca
    My IT knowledge resides mainly in SW development. I have just some basic know how about networks. On the net I tried to get information and read books in order to better understand the overall IT infrastrcuture, but all the sources I found are too generic or, mainly, too detailed in just one aspect, making me lost. Could anyone suggest some books or web resources as good compromise in details? My goal would be able to understand the network issues and security threats when, for example, two remote system have to be setup and put in connection each other. Considering this scenario there are several aspects to consider: firewalls, intranet/internet interconnections, certificates for httpS, etc. The argument is quite wide, therefore I was looking for something that might help to start to understand this subject without going too deep in details (Computer Networks from A.Tanenbaum is a wonderful milestone, but way too specific for my scope). Thanks

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  • Map, Set use cases in a general web app

    - by user2541902
    I am currently working on my own Java web app (to be shown in interview to get a Java job). So I've not worked on Java in professional environment, so no guidance. I have database, entity classes, JPA relationships. Use cases are like, user has albums, album has pics, user has locations, location has co-ordinates etc. I used List (ArrayList) everywhere. I can do anything with List and DB, get some entry, find etc. For example, I will keep the list of users in List, then use queries to get some entry (why would I keep them in Map with id/email as key?). I know very well the working and features, implementing classes of Map, Set. I can use them for solving some algorithm, processing some data etc. In interviews, I get asked have you worked with these, where have you used them etc. So, Please tell me cases where they should be used (DB or any popular real use case).

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  • Stairway to SQLCLR Level 3: Security (General and SAFE Assemblies)

    In the third level of our Stairway to SQLCLR, we look at the various mechanisms in place to help us control Security. In this Level we will focus on SAFE mode and see how secure SQLCLR is by default. Free eBook - Performance Tuning with DMVsThis free eBook provides you with the core techniques and scripts to monitor your query execution, index usage, session and transaction activity, disk IO, and more. Download the free eBook.

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  • Help with google pages; using them in general

    - by Sugarcube
    Is there any way someone could help me with building a website using google pages? I cannot for the life of me figure out how to do much more than create a new page, and I have been up all night. I thought I knew computers and websites but apparently I need a refresher course. Please, if you can help, I would be most appreciative. -Sugarcube Edit: Seems this is too vague. But honestly, I don't even know where to begin with the way Google has it set up. I tried to set one up with a template and a layout, but the layout has pages that I did not create and that I don't know how to edit to make them suitable to my website. I guess if I had to start somewhere it would be on how to make it do what I want it to do.

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  • VB6 general search form

    - by SilentRage47
    I'm working on an old vb6/access2003 app which is used to handle orders, bills of materials and that sort of things. I'm thinking about creating a form that I call every time the users needs to search for something. This should work like these: Click on the field to complete, let's say name of a buyer Open new form, search for the client and click on it Return the name of the buyer to the previous form (probably the header of the order) So, I would need to pass to the new form something that identify the type of search I have to do (so what access table to open) and return some values. Is my idea correct or there something better? I would like to use only one form for all the searches, now the app works with a lot of msflexgrid for every form.

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  • General programming techniques to speed up coding time

    - by mcwise
    I am preparing for a programming contest in C++ where it is all about producing working code in a short time. An example would be to use a macro to get the minimum of two ints(but I was told that you shouldn't use macros as they are not type-safe) or using memsets to initialize arrays (but I was told that you shouldn't use memsets in C++). This leads to the question, what kind of coding techniques exist to use at a real job?

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