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• sudo apt-get update problem

  - by Jeon

  I have a problem with sudo apt-get update that I can't seem to fix and It's causing problems with alot of installations I want to do. I run Ubuntu 12.04. Ign http://ftp.availo.se precise InRelease Ign http://ftp.availo.se precise-updates InRelease Ign http://ftp.availo.se precise-backports InRelease Ign http://ftp.availo.se precise-security InRelease Get:1 http://repository.spotify.com stable InRelease [2,979 B] Ign http://ppa.launchpad.net precise InRelease Ign http://extras.ubuntu.com precise InRelease Ign http://archive.canonical.com precise InRelease Ign http://ppa.launchpad.net precise InRelease Ign http://ppa.launchpad.net precise InRelease Ign http://repository.spotify.com stable InRelease Ign http://ftp.availo.se precise Release.gpg Ign http://ftp.availo.se precise-updates Release.gpg Ign http://ftp.availo.se precise-backports Release.gpg Ign http://repository.spotify.com stable/non-free amd64 Packages/DiffIndex Hit http://ppa.launchpad.net precise Release.gpg Hit http://ppa.launchpad.net precise Release.gpg Hit http://archive.canonical.com precise Release.gpg Hit http://extras.ubuntu.com precise Release.gpg Ign http://ftp.availo.se precise-security Release.gpg Ign http://repository.spotify.com stable/non-free i386 Packages/DiffIndex Ign http://repository.spotify.com stable/non-free TranslationIndex Hit http://ppa.launchpad.net precise Release.gpg Hit http://archive.canonical.com precise Release Hit http://extras.ubuntu.com precise Release Ign http://ftp.availo.se precise Release Ign http://ftp.availo.se precise-updates Release Hit http://ppa.launchpad.net precise Release Hit http://archive.canonical.com precise/partner amd64 Packages Hit http://extras.ubuntu.com precise/main Sources Ign http://ftp.availo.se precise-backports Release Ign http://ftp.availo.se precise-security Release Hit http://ppa.launchpad.net precise Release Hit http://archive.canonical.com precise/partner i386 Packages Ign http://archive.canonical.com precise/partner TranslationIndex Hit http://ppa.launchpad.net precise Release Hit http://extras.ubuntu.com precise/main amd64 Packages Hit http://extras.ubuntu.com precise/main i386 Packages Ign http://ftp.availo.se precise/main TranslationIndex Ign http://ftp.availo.se precise/multiverse TranslationIndex Ign http://ftp.availo.se precise/restricted TranslationIndex Hit http://ppa.launchpad.net precise/main Sources Hit http://ppa.launchpad.net precise/main amd64 Packages Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Ign http://extras.ubuntu.com precise/main TranslationIndex Ign http://ftp.availo.se precise/universe TranslationIndex Hit http://ppa.launchpad.net precise/main Sources Hit http://ppa.launchpad.net precise/main amd64 Packages Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Hit http://ppa.launchpad.net precise/main Sources Hit http://ppa.launchpad.net precise/main amd64 Packages Hit http://ppa.launchpad.net precise/main i386 Packages Ign http://ppa.launchpad.net precise/main TranslationIndex Ign http://ftp.availo.se precise-updates/main TranslationIndex Ign http://ftp.availo.se precise-updates/multiverse TranslationIndex Ign http://ftp.availo.se precise-updates/restricted TranslationIndex Ign http://ftp.availo.se precise-updates/universe TranslationIndex Hit http://repository.spotify.com stable/non-free amd64 Packages Ign http://ftp.availo.se precise-backports/main TranslationIndex Ign http://ftp.availo.se precise-backports/multiverse TranslationIndex Ign http://ftp.availo.se precise-backports/restricted TranslationIndex Ign http://ftp.availo.se precise-backports/universe TranslationIndex Hit http://repository.spotify.com stable/non-free i386 Packages Ign http://archive.canonical.com precise/partner Translation-en_US Ign http://ftp.availo.se precise-security/main TranslationIndex Ign http://ftp.availo.se precise-security/multiverse TranslationIndex Ign http://ftp.availo.se precise-security/restricted TranslationIndex Ign http://ftp.availo.se precise-security/universe TranslationIndex Ign http://repository.spotify.com stable/non-free Translation-en_US Ign http://archive.canonical.com precise/partner Translation-en Ign http://repository.spotify.com stable/non-free Translation-en Ign http://extras.ubuntu.com precise/main Translation-en_US Ign http://extras.ubuntu.com precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Ign http://ppa.launchpad.net precise/main Translation-en_US Ign http://ppa.launchpad.net precise/main Translation-en Err http://ftp.availo.se precise/main Sources 404 Not Found Err http://ftp.availo.se precise/restricted Sources 404 Not Found Err http://ftp.availo.se precise/universe Sources 404 Not Found Err http://ftp.availo.se precise/multiverse Sources 404 Not Found Err http://ftp.availo.se precise/main amd64 Packages 404 Not Found Err http://ftp.availo.se precise/restricted amd64 Packages 404 Not Found Err http://ftp.availo.se precise/universe amd64 Packages 404 Not Found Err http://ftp.availo.se precise/multiverse amd64 Packages 404 Not Found Err http://ftp.availo.se precise/main i386 Packages 404 Not Found Err http://ftp.availo.se precise/restricted i386 Packages 404 Not Found Err http://ftp.availo.se precise/universe i386 Packages 404 Not Found Err http://ftp.availo.se precise/multiverse i386 Packages 404 Not Found Err http://ftp.availo.se precise-updates/main Sources 404 Not Found Err http://ftp.availo.se precise-updates/restricted Sources 404 Not Found Err http://ftp.availo.se precise-updates/universe Sources 404 Not Found Err http://ftp.availo.se precise-updates/multiverse Sources 404 Not Found Err http://ftp.availo.se precise-updates/main amd64 Packages 404 Not Found Err http://ftp.availo.se precise-updates/restricted amd64 Packages 404 Not Found Err http://ftp.availo.se precise-updates/universe amd64 Packages 404 Not Found Err http://ftp.availo.se precise-updates/multiverse amd64 Packages 404 Not Found Err http://ftp.availo.se precise-updates/main i386 Packages 404 Not Found Err http://ftp.availo.se precise-updates/restricted i386 Packages 404 Not Found Err http://ftp.availo.se precise-updates/universe i386 Packages 404 Not Found Err http://ftp.availo.se precise-updates/multiverse i386 Packages 404 Not Found Err http://ftp.availo.se precise-backports/main Sources 404 Not Found Err http://ftp.availo.se precise-backports/restricted Sources 404 Not Found Err http://ftp.availo.se precise-backports/universe Sources 404 Not Found Err http://ftp.availo.se precise-backports/multiverse Sources 404 Not Found Err http://ftp.availo.se precise-backports/main amd64 Packages 404 Not Found Err http://ftp.availo.se precise-backports/restricted amd64 Packages 404 Not Found Err http://ftp.availo.se precise-backports/universe amd64 Packages 404 Not Found Err http://ftp.availo.se precise-backports/multiverse amd64 Packages 404 Not Found Err http://ftp.availo.se precise-backports/main i386 Packages 404 Not Found Err http://ftp.availo.se precise-backports/restricted i386 Packages 404 Not Found Err http://ftp.availo.se precise-backports/universe i386 Packages 404 Not Found Err http://ftp.availo.se precise-backports/multiverse i386 Packages 404 Not Found Err http://ftp.availo.se precise-security/main Sources 404 Not Found Err http://ftp.availo.se precise-security/restricted Sources 404 Not Found Err http://ftp.availo.se precise-security/universe Sources 404 Not Found Err http://ftp.availo.se precise-security/multiverse Sources 404 Not Found Err http://ftp.availo.se precise-security/main amd64 Packages 404 Not Found Err http://ftp.availo.se precise-security/restricted amd64 Packages 404 Not Found Err http://ftp.availo.se precise-security/universe amd64 Packages 404 Not Found Err http://ftp.availo.se precise-security/multiverse amd64 Packages 404 Not Found Err http://ftp.availo.se precise-security/main i386 Packages 404 Not Found Err http://ftp.availo.se precise-security/restricted i386 Packages 404 Not Found Err http://ftp.availo.se precise-security/universe i386 Packages 404 Not Found Err http://ftp.availo.se precise-security/multiverse i386 Packages 404 Not Found Ign http://ftp.availo.se precise/main Translation-en_US Ign http://ftp.availo.se precise/main Translation-en Ign http://ftp.availo.se precise/multiverse Translation-en_US Ign http://ftp.availo.se precise/multiverse Translation-en Ign http://ftp.availo.se precise/restricted Translation-en_US Ign http://ftp.availo.se precise/restricted Translation-en Ign http://ftp.availo.se precise/universe Translation-en_US Ign http://ftp.availo.se precise/universe Translation-en Ign http://ftp.availo.se precise-updates/main Translation-en_US Ign http://ftp.availo.se precise-updates/main Translation-en Ign http://ftp.availo.se precise-updates/multiverse Translation-en_US Ign http://ftp.availo.se precise-updates/multiverse Translation-en Ign http://ftp.availo.se precise-updates/restricted Translation-en_US Ign http://ftp.availo.se precise-updates/restricted Translation-en Ign http://ftp.availo.se precise-updates/universe Translation-en_US Ign http://ftp.availo.se precise-updates/universe Translation-en Ign http://ftp.availo.se precise-backports/main Translation-en_US Ign http://ftp.availo.se precise-backports/main Translation-en Ign http://ftp.availo.se precise-backports/multiverse Translation-en_US Ign http://ftp.availo.se precise-backports/multiverse Translation-en Ign http://ftp.availo.se precise-backports/restricted Translation-en_US Ign http://ftp.availo.se precise-backports/restricted Translation-en Ign http://ftp.availo.se precise-backports/universe Translation-en_US Ign http://ftp.availo.se precise-backports/universe Translation-en Ign http://ftp.availo.se precise-security/main Translation-en_US Ign http://ftp.availo.se precise-security/main Translation-en Ign http://ftp.availo.se precise-security/multiverse Translation-en_US Ign http://ftp.availo.se precise-security/multiverse Translation-en Ign http://ftp.availo.se precise-security/restricted Translation-en_US Ign http://ftp.availo.se precise-security/restricted Translation-en Ign http://ftp.availo.se precise-security/universe Translation-en_US Ign http://ftp.availo.se precise-security/universe Translation-en Fetched 2,979 B in 9s (328 B/s) W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 082CCEDF94558F59 W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/main/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/restricted/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/universe/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/multiverse/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/restricted/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/universe/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/multiverse/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/restricted/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/universe/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise/multiverse/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/main/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/restricted/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/universe/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/multiverse/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/restricted/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/universe/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/multiverse/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/main/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/restricted/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/universe/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-updates/multiverse/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/main/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/restricted/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/universe/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/multiverse/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/restricted/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/universe/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/multiverse/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/main/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/restricted/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/universe/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-backports/multiverse/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/main/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/restricted/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/universe/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/multiverse/source/Sources 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/main/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/restricted/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/universe/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/multiverse/binary-amd64/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/main/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/restricted/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/universe/binary-i386/Packages 404 Not Found W: Failed to fetch http://ftp.availo.se/ubuntu/dists/precise-security/multiverse/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. I would appreciate a fix to this. Thank you for the help.

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• ???MFP?Java SE???

  - by sasa

  ??????????????????????????????(MFP)??Java SE?????????????2003???Java ME????????????2011???Java SE???????????????????Java?????????Java ME??SE??????????????????? ????????????MFP??????????????????????????????????????????????????????????Java SE ??????????????????????&??????????????MFP?????????????????????????Java Platform, Standard Edition(Java SE)???????????????????????????????????????????????????????????????????????????????

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• End of Public Updates for Java SE 6

  - by Tori Wieldt

  It's important for developers and systems administrators to either make the transition over to Java SE 7 or to work with Oracle to get updates via the Java SE Support program. Have you updated to Java SE 7? Along with great features (Fork/Join, NIO, Project Coin), Java SE 7 is being updated and patched regularly. Java SE 7 has been out for over a year and is ready to download.  The last publicly available release of Oracle JDK 6 is to be released in February, 2013. This means that after 19 February 2013, all new security updates, patches and fixes for Java SE 6 and Java SE 5 will only be available through My Oracle Support and will thus require a commercial license with Oracle.    In the event you are not ready to migrate to Java SE 7, Oracle offers: Java SE Support for continued access to critical bug fixes and security fixes as well as general maintenance for JDK 6. Additionally, Java SE Advanced and Suite offers superior diagnostics and manageability tools that minimize the costs of deployment, monitoring and maintenance of Java-based IT environments. The Java SE Support Roadmap reflects an updated timeline for the End of Public Updates for JDK 6. The End of Public Updates date has been extended from November 2012 to February 2013, to allow some more time for the transition to JDK 7. Older releases of Java SE 6 will still be available on the Java SE archive, but will require a commercial license with Oracle for any new security updates, patches and fixes.  Th End of Public Updates for Java SE 6 will not impact the usage, availability, patching of Java SE 6 used for Fusion Middleware 11g and 12c. The support schedule for Java SE used for and in Fusion Middleware is not impacted by this announcement. For More Information Visit the Java SE page on Oracle.com.

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• NoSQL with MongoDB, NoRM and ASP.NET MVC

  - by shiju

   In this post, I will give an introduction to how to work on NoSQL and document database with MongoDB , NoRM and ASP.Net MVC 2. NoSQL and Document Database The NoSQL movement is getting big attention in this year and people are widely talking about document databases and NoSQL along with web application scalability. According to Wikipedia, "NoSQL is a movement promoting a loosely defined class of non-relational data stores that break with a long history of relational databases. These data stores may not require fixed table schemas, usually avoid join operations and typically scale horizontally. Academics and papers typically refer to these databases as structured storage". Document databases are schema free so that you can focus on the problem domain and don't have to worry about updating the schema when your domain is evolving. This enables truly a domain driven development. One key pain point of relational database is the synchronization of database schema with your domain entities when your domain is evolving.There are lots of NoSQL implementations are available and both CouchDB and MongoDB got my attention. While evaluating both CouchDB and MongoDB, I found that CouchDB can’t perform dynamic queries and later I picked MongoDB over CouchDB. There are many .Net drivers available for MongoDB document database. MongoDB MongoDB is an open source, scalable, high-performance, schema-free, document-oriented database written in the C++ programming language. It has been developed since October 2007 by 10gen. MongoDB stores your data as binary JSON (BSON) format . MongoDB has been getting a lot of attention and you can see the some of the list of production deployments from here - http://www.mongodb.org/display/DOCS/Production+Deployments NoRM – C# driver for MongoDB NoRM is a C# driver for MongoDB with LINQ support. NoRM project is available on Github at http://github.com/atheken/NoRM. Demo with ASP.NET MVC I will show a simple demo with MongoDB, NoRM and ASP.NET MVC. To work with MongoDB and  NoRM, do the following steps Download the MongoDB databse For Windows 32 bit, download from http://downloads.mongodb.org/win32/mongodb-win32-i386-1.4.1.zip  and for Windows 64 bit, download  from http://downloads.mongodb.org/win32/mongodb-win32-x86_64-1.4.1.zip . The zip contains the mongod.exe for run the server and mongo.exe for the client Download the NorM driver for MongoDB at http://github.com/atheken/NoRM Create a directory call C:\data\db. This is the default location of MongoDB database. You can override the behavior. Run C:\Mongo\bin\mongod.exe. This will start the MongoDb server Now I am going to demonstrate how to program with MongoDb and NoRM in an ASP.NET MVC application.Let’s write a domain class public class Category {            [MongoIdentifier]public ObjectId Id { get; set; } [Required(ErrorMessage = "Name Required")][StringLength(25, ErrorMessage = "Must be less than 25 characters")]public string Name { get; set;}public string Description { get; set; }}  ObjectId is a NoRM type that represents a MongoDB ObjectId. NoRM will automatically update the Id becasue it is decorated by the MongoIdentifier attribute. The next step is to create a mongosession class. This will do the all interactions to the MongoDB. internal class MongoSession<TEntity> : IDisposable{    private readonly MongoQueryProvider provider;     public MongoSession()    {        this.provider = new MongoQueryProvider("Expense");    }     public IQueryable<TEntity> Queryable    {        get { return new MongoQuery<TEntity>(this.provider); }    }     public MongoQueryProvider Provider    {        get { return this.provider; }    }     public void Add<T>(T item) where T : class, new()    {        this.provider.DB.GetCollection<T>().Insert(item);    }     public void Dispose()    {        this.provider.Server.Dispose();     }    public void Delete<T>(T item) where T : class, new()    {        this.provider.DB.GetCollection<T>().Delete(item);    }     public void Drop<T>()    {        this.provider.DB.DropCollection(typeof(T).Name);    }     public void Save<T>(T item) where T : class,new()    {        this.provider.DB.GetCollection<T>().Save(item);                }  }    The MongoSession constrcutor will create an instance of MongoQueryProvider that supports the LINQ expression and also create a database with name "Expense". If database is exists, it will use existing database, otherwise it will create a new databse with name  "Expense". The Save method can be used for both Insert and Update operations. If the object is new one, it will create a new record and otherwise it will update the document with given ObjectId.  Let’s create ASP.NET MVC controller actions for CRUD operations for the domain class Category public class CategoryController : Controller{ //Index - Get the category listpublic ActionResult Index(){    using (var session = new MongoSession<Category>())    {        var categories = session.Queryable.AsEnumerable<Category>();        return View(categories);    }} //edit a single category[HttpGet]public ActionResult Edit(ObjectId id) {     using (var session = new MongoSession<Category>())    {        var category = session.Queryable              .Where(c => c.Id == id)              .FirstOrDefault();         return View("Save",category);    } }// GET: /Category/Create[HttpGet]public ActionResult Create(){    var category = new Category();    return View("Save", category);}//insert or update a category[HttpPost]public ActionResult Save(Category category){    if (!ModelState.IsValid)    {        return View("Save", category);    }    using (var session = new MongoSession<Category>())    {        session.Save(category);        return RedirectToAction("Index");    } }//Delete category[HttpPost]public ActionResult Delete(ObjectId Id){    using (var session = new MongoSession<Category>())    {        var category = session.Queryable              .Where(c => c.Id == Id)              .FirstOrDefault();        session.Delete(category);        var categories = session.Queryable.AsEnumerable<Category>();        return PartialView("CategoryList", categories);    } }        }  You can easily work on MongoDB with NoRM and can use with ASP.NET MVC applications. I have created a repository on CodePlex at http://mongomvc.codeplex.com and you can download the source code of the ASP.NET MVC application from here

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• Java Mission Control for SE Embedded 8

  - by kshimizu-Oracle

  ????????????Java???·????????????Java Mission Control????Java SE 8 Embedded???????????Java????????????????Java Mission Control?????????JVM?Java????????? CPU?????????? ???????? ?????????? ???????UI???????????????? ????????????????????????????????????????????????????????????(Java Mission Control????????????????????????????????) 1. Java Mission Control??????? Java?????????????? JMX?????(MBean????) ? Java SE Embedded 8?Compact 3?Full JRE?????(???Minimal?VM??????) ????·???? ? Java SE Embedded 8?Full JRE??????(???Minimal?VM??????) ? ???????Java ME 8??????????????? 2. ???????JVM?????     2.1. JMX?????(MBeans???)????? >java -Dcom.sun.management.jmxremote=true               -Dcom.sun.management.jmxremote.port=7091                # ????????              -Dcom.sun.management.jmxremote.authenticate=false   # ????              -Dcom.sun.management.jmxremote.ssl=false                  # SSL??              -jar appliation.jar ? ??????????????????????JVM??????????????????? "-Djava.rmi.server.hostname=192.168.0.20"                     # ?????????IP????/???? ???????????(http://docs.oracle.com/javase/7/docs/technotes/guides/management/faq.html)?5???????????????????????     2.2. ????·????????? JVM????????????????????? "-XX:+UnlockCommercialFeatures -XX:+FlightRecorder" 3. Java Mission Control?????? JDK????????jmc??????????? >"JDK_HOME"/bin/jmc 4. Java Mission Control??JVM??????  Java Mission Control?????????????????????????????????????? - ????????????IP????·??????????????????JVM????????????????????? - ??????????(????·?????)?????????? - ??????????OK??? ????????????????????????????????????????????????????????????Java?????Java Mission Control???????? ??URL) http://www.oracle.com/technetwork/jp/java/javaseproducts/mission-control/index.html http://www.oracle.com/technetwork/jp/java/javaseproducts-old/mission-control/java-mission-control-wp-2008279-ja.pdf http://www.oracle.com/technetwork/java/embedded/resources/tech/java-flight-rec-on-java-se-emb-8-2158734.html

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• Java SE 7?????????????????????????????????!

  - by OTN-J Master

  Java(Java Platform, Standard Edition:Java SE)????????Java SE 7??????????????????????????????????Java???????????????Java 6??????????Java 7??????????????? ?Windows ?????Java??????????? 1)http://java.com ???????2)”???Java???????”?????????”Java????????”?????3)”Java?????????”???????? ?Java 7??????????????????????Java 7????????????????????????????????????(Mac·Linux·Solaris)?????????? Java SE 7??Fork/Join?NIO?Project Coin????????????????????????????????????????????????????????1????????????????????????????Java??????????????????????Java SE 7?????????????????????????????????????? >> Java Magazine ??? ???[Vol.1] (PDF??)????????!Java 7???~?????Mark Reinhold????Java SE 7??????~ ?????Java Magazine??????????Java 7????????????????????????????????????????????????? >> Java Magazine??????????????????JDK 6?????????????·??????2013?2???????????2013?2?19???????Java SE 6?????????????????·?????????????????????????????????????????????????????????????(My Oracle Support(?·??)?????????????)2013?2???????????????Java SE 6????Oracle Technology Network?Java Archive?????????????????????????????????????????????????????????????????????????????>>Java SE?????·?????????????????????? ??????????????7??????????????????···?????????????????????????? Oracle Java SE ???????????? ?????·??????????????????????????????Oracle Java SE????(Oracle Java SE Advanced?Oracle Java SE Suite)???????????? Oracle Java SE??????????????????????????????EOL(End Of Life)????????????????????????????????????????5???????Oracle Premier Support???????????? ???????Oracle Extended Support??????????????????????????????????????????????????????????????? ???????????????????>> Oracle Java SE Advanced???? (PDF??) OTN??????????????Java???????????Java Developer Newsletter????????? ?????????”???????”?Java Magazine??????????????????????????Java?????????????????????Java??????????????Java??????????????????????????????????????????Java???????Java???????????????????????????????????????????????????????????????????????????????????????(???????!) ???2012?12?31??????????????1000????Java & Duke???????????????????????!>> ???????·????·???????

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• Oracle releases Java SE 7 Update 7, and Java SE 6 Update 35

  - by Henrik Stahl

  This morning, Oracle released updates to JDK 6 and 7. For more information on these releases see: Security Alert for CVE-2012-4681 Released Release notes Oracle recommends that users apply these updates as soon as possible. Users of Oracle JRE 6 and 7 for Windows (32-bit) and the recently released JRE 7 for Mac OSX (64-bit) will be updated automatically. For more information see, this blog entry.

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• Java SE Updates

  - by Tori Wieldt

  Duke's helpers from around the world have been busy making Java just right for all good developers. Here are the updates:  Java SE 7 Update 10This releases provides key security features and bug fixes. Oracle strongly recommends that all Java SE 7 users upgrade to this release. JavaFX 2.2.4 is now bundled with the JDK on Windows, Mac and Linux x86/x64.Learn more Download Java SE 6 Update 38  This release provides security features and bug fixes. Oracle strongly recommends that all Java SE 6 users upgrade to this release (or to Java SE 7 update 10). Learn more Download Java SE Embedded 7 Update 10 This releases provides the security features and bug fixes from Java SE 7 Update 10. Learn more Download Java SE Embedded 6 Update 38  This releases provides the security features and bug fixes from Java SE 6 Update 38. Learn more Download NOTE: The end of public updates for Java SE 6 will occur in February 2013. See "The End of Public Updates for Java SE 6" and the Java SE Support Roadmap for more information.

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• ??????????? - Java SE Embedded 8

  - by kshimizu-Oracle

  Java?OS??????1?????????????????????????????????3?????????????? HEAP: Java????????????????????????????????? NON-HEAP: NON-HEAP????JVM???????????????????Code Cache?Metaspace???2????????????? Code Cache: ????JIT??????????????????????????? Metaspace: HEAP??????????????????????????   JavaVM??????????: VM?????????????????? ??????????????? ????????????????????????????????????????????????????????????????????????? HEAP?Java Mission Control???????????????????? (????)? ????Java SE?????????????API????????????????????????????????????? Mission Control?????API?????????????????????????????????API??????????????? HEAP???????????? VM????????"-Xmx"???????????????? java.lang.Runtime.maxMemory(); ?????HEAP????????? ?????VM????????"-Xms"? ????????????? "-Xms"???????"-Xmx"?????????? java.lang.Runtime.totalMemory(); ???????????HEAP????????????? java.lang.Runtime.freeMemory(); ??NON-HEAP???????????? API??????????? Java Mission Control?????????? ????????????Java Mission Control??????????????????????? ????"NON_HEAP"?????????NON-HEAP?????? ???? HEAP????NON-HEAP?????????????? Java VM???????????????????????????????????????? ?????????????????????????????????? ????HEAP/NON-HEAP?????????????????????????? OS?????????????? Linux???????procfs?Java??????????????????? (VmHWM or VmRSS) ????? ????HEAP/NON-HEAP??????????????????????????? ?????????????????? ??????JVM?????????????????? ?????????????????JVM???????????????????? ???JVM?????? ????????????? Embedded??JVM?????????? ??Embedded???Oracle JVM??????CPU????????????????????????????????????????? ??????CPU??????????????????????????????????????? Minimal/Client/Server??JVM???????????????? ????JVM??????????????????? ??????Compact????????????????? ? 2 - 3?????? Concept Guide (http://docs.oracle.com/javase/8/embedded/embedded-concepts/basic-concepts.htm) ???????? ??JVM??????????? ????????????????????? -Xms: ??????????? ?????????? ?????????????????????????????????????????????????? -Xmx: ??????????? -XX:ReservedCodeCacheSize: Code Cache??????? ?) JIT??????????????Code Cache????????????0???????? -Xint: JIT??????????? ????????????? JIT?????????????????????? ????????????????? -Xss: ???????????????????? ????????????????????????? ????????????????????????????? -XX:CompileThreshold: JIT?????????????????????????????????? ?????????????????????? ????????? ?????????????????? Code Cache?????????? ?????????? ????????????????????? ????????????????????????? ??????????????????????? ?????????????????????

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• Java SE (6, 7, Embedded )????????????

  - by OTN-J Master

  Java??????????????? ???Java SE 7???????????????????????????????????????????????????? Java SE 7?????10???????????????Java????????????????????????????? ?????????????????????FIX?????????????????????????????????????”??”????????????????????????????????????????????????(????????????????Fix????????????????????????????????) Java SE 7 Update 10 ??????? Java SE 6 Update 38 ??????? Java SE Embedded 7 Update 10 ??????? Java SE Embedded 6 Update 38 ??????? >>???Java???????????  ???????????Java SE 6??2????????????????????????????Java SE 7??????????????Java SE?????????????????? >> ??????? ????Java Developer Newsletter???(??!)???????????!

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• Serious about Embedded: Java Embedded @ JavaOne 2012

  - by terrencebarr

  It bears repeating: More than ever, the Java platform is the best technology for many embedded use cases. Java’s platform independence, high level of functionality, security, and developer productivity address the key pain points in building embedded solutions. Transitioning from 16 to 32 bit or even 64 bit? Need to support multiple architectures and operating systems with a single code base? Want to scale on multi-core systems? Require a proven security model? Dynamically deploy and manage software on your devices? Cut time to market by leveraging code, expertise, and tools from a large developer ecosystem? Looking for back-end services, integration, and management? The Java platform has got you covered. Java already powers around 10 billion devices worldwide, with traditional desktops and servers being only a small portion of that. And the ‘Internet of Things‘ is just really starting to explode … it is estimated that within five years, intelligent and connected embedded devices will outnumber desktops and mobile phones combined, and will generate the majority of the traffic on the Internet. Is your platform and services strategy ready for the coming disruptions and opportunities? It should come as no surprise that Oracle is keenly focused on Java for Embedded. At JavaOne 2012 San Francisco the dedicated track for Java ME, Java Card, and Embedded keeps growing, with 52 sessions, tutorials, Hands-on-Labs, and BOFs scheduled for this track alone, plus keynotes, demos, booths, and a variety of other embedded content. To further prove Oracle’s commitment, in 2012 for the first time there will be a dedicated sub-conference focused on the business aspects of embedded Java: Java Embedded @ JavaOne. This conference will run for two days in parallel to JavaOne in San Francisco, will have its own business-oriented track and content, and targets C-level executives, architects, business leaders, and decision makers. Registration and Call For Papers for Java Embedded @ JavaOne are now live. We expect a lot of interest in this new event and space is limited, so be sure to submit your paper and register soon. Hope to see you there! Cheers, – Terrence Filed under: Mobile & Embedded Tagged: ARM, Call for Papers, Embedded Java, Java Embedded, Java Embedded @ JavaOne, Java ME, Java SE Embedded, Java SE for Embedded, JavaOne San Francisco, PowerPC

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• Java version indicates SE 6, Java Control Panel SE 8

  - by Mariogs

  So I'm trying to get the Java 7 as the default version on my machine, running Mac OS X 10.9.3. When I run: java -version I get: java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) When I run: javac -version I get: javac 1.6.0_65 When I go into System Preferences -- Java -- Update, I see: Your system has the recommended vesion of Java. Java 8 Update 05. I guess I have a few questions: 1) Why does my Java Control Panel claim I have Java 8, but my work in the terminal (when checking my Java version) says otherwise? 2) I just downloaded the .dmg file for Java SE 7 from Oracle's site and installed, though it's nowhere to be seen... Thanks for the help, Mariogs

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• October 2012 Critical Patch Update and Critical Patch Update for Java SE Released

  - by Eric P. Maurice

  Hi, this is Eric Maurice. Oracle has just released the October 2012 Critical Patch Update and the October 2012 Critical Patch Update for Java SE.  As a reminder, the release of security patches for Java SE continues to be on a different schedule than for other Oracle products due to commitments made to customers prior to the Oracle acquisition of Sun Microsystems.  We do however expect to ultimately bring Java SE in line with the regular Critical Patch Update schedule, thus increasing the frequency of scheduled security releases for Java SE to 4 times a year (as opposed to the current 3 yearly releases).  The schedules for the “normal” Critical Patch Update and the Critical Patch Update for Java SE are posted online on the Critical Patch Updates and Security Alerts page. The October 2012 Critical Patch Update provides a total of 109 new security fixes across a number of product families including: Oracle Database Server, Oracle Fusion Middleware, Oracle E-Business Suite, Supply Chain Products Suite, Oracle PeopleSoft Enterprise, Oracle Customer Relationship Management (CRM), Oracle Industry Applications, Oracle FLEXCUBE, Oracle Sun products suite, Oracle Linux and Virtualization, and Oracle MySQL. Out of these 109 new vulnerabilities, 5 affect Oracle Database Server.  The most severe of these Database vulnerabilities has received a CVSS Base Score of 10.0 on Windows platforms and 7.5 on Linux and Unix platforms.  This vulnerability (CVE-2012-3137) is related to the “Cryptographic flaws in Oracle Database authentication protocol” disclosed at the Ekoparty Conference.  Because of timing considerations (proximity to the release date of the October 2012 Critical Patch Update) and the need to extensively test the fixes for this vulnerability to ensure compatibility across the products stack, the fixes for this vulnerability were not released through a Security Alert, but instead mitigation instructions were provided prior to the release of the fixes in this Critical Patch Update in My Oracle Support Note 1492721.1.  Because of the severity of these vulnerabilities, Oracle recommends that this Critical Patch Update be installed as soon as possible. Another 26 vulnerabilities fixed in this Critical Patch Update affect Oracle Fusion Middleware.  The most severe of these Fusion Middleware vulnerabilities has received a CVSS Base Score of 10.0; it affects Oracle JRockit and is related to Java vulnerabilities fixed in the Critical Patch Update for Java SE.  The Oracle Sun products suite gets 18 new security fixes with this Critical Patch Update.  Note also that Oracle MySQL has received 14 new security fixes; the most severe of these MySQL vulnerabilities has received a CVSS Base Score of 9.0. Today’s Critical Patch Update for Java SE provides 30 new security fixes.  The most severe CVSS Base Score for these Java SE vulnerabilities is 10.0 and this score affects 10 vulnerabilities.  As usual, Oracle reports the most severe CVSS Base Score, and these CVSS 10.0s assume that the user running a Java Applet or Java Web Start application has administrator privileges (as is typical on Windows XP). However, when the user does not run with administrator privileges (as is typical on Solaris and Linux), the corresponding CVSS impact scores for Confidentiality, Integrity, and Availability are "Partial" instead of "Complete", typically lowering the CVSS Base Score to 7.5 denoting that the compromise does not extend to the underlying Operating System.  Also, as is typical in the Critical Patch Update for Java SE, most of the vulnerabilities affect Java and Java FX client deployments only.  Only 2 of the Java SE vulnerabilities fixed in this Critical Patch Update affect client and server deployments of Java SE, and only one affects server deployments of JSSE.  This reflects the fact that Java running on servers operate in a more secure and controlled environment.  As discussed during a number of sessions at JavaOne, Oracle is considering security enhancements for Java in desktop and browser environments.  Finally, note that the Critical Patch Update for Java SE is cumulative, in other words it includes all previously released security fixes, including the fix provided through Security Alert CVE-2012-4681, which was released on August 30, 2012. For More Information: The October 2012 Critical Patch Update advisory is located at http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html The October 2012 Critical Patch Update for Java SE advisory is located at http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html.  An online video about the importance of keeping up with Java releases and the use of the Java auto update is located at http://medianetwork.oracle.com/video/player/1218969104001 More information about Oracle Software Security Assurance is located at http://www.oracle.com/us/support/assurance/index.html  

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• New Management Console in Java SE Advanced 8u20

  - by Erik Costlow-Oracle

  Java SE 8 update 20 is a new feature release designed to provide desktop administrators with better control of their managed systems. The release notes for 8u20 are available from the public JDK release notes page. This release is not a Critical Patch Update (CPU). I would like to call attention to two noteworthy features of Oracle Java SE Advanced, the commercially supported version of Java SE for enterprises that require both support and specialized tools. The new Advanced Management Console provides a way to monitor and understand client systems at scale. It allows organizations to track usage and more easily create and manage client configuration like Deployment Rule Sets (DRS). DRS can control execution of tracked applications as well as specify compatibility of which application should use which Java SE installation. The new MSI Installer integrates into various desktop management tools, making it easier to customize and roll out different Java SE versions. Advanced Management Console The Advanced Management Console is part of Java SE Advanced designed for desktop administrators, whose users need to run many different Java applications. It provides usage tracking for those Applet & Web Start applications to help identify them for guided DRS creation. DRS can then be verified against the tracked data, to ensure that end-users can run their application against the appropriate Java version with no prompts. Usage tracking also has a different definition for Java SE than it does for most software applications. Unlike most applications where usage can be determined by a simple run-count, Java is a platform used for launching other applications. This means that usage tracking must answer both "how often is this Java SE version used" and "what applications are launched by it." Usage Tracking One piece of Java SE Advanced is a centralized usage tracker. Simply placing a properties file on the client informs systems to report information to this usage tracker, so that the desktop administrator can better understand usage. Information is sent via UDP to prevent any delay on the client. The usage tracking server resides at a central location on the intranet to collect information from those clients. The information is stored in a normalized database for performance, meaning that a single usage tracker can handle a large number of clients. Guided Deployment Rule Sets Deployment Rule Sets were introduced in Java 7 update 40 (September 2013) in order to help administrators control security prompts and guide compatibility. A previous post, Deployment Rule Sets by Example, explains how to configure a rule set so that most applications run against the most secure version but a specific applet may run against the Java version that was current several years ago. There are a different set of questions that can be asked by a desktop administrator in a large or distributed firm: Where are the Java RIAs that our users need? Which RIA needs which Java version? Which users need which Java versions? How do I verify these answers once I have them? The guided deployment rule set creation uses usage tracker data to identify applications both by certificate hash and location. After creating the rules, a comparison tool exists to verify them against the tracked data: If you intend to run an RIA, is it green? If something specific should be blocked, is it red? This makes user-testing easier. MSI Installer The Windows Installer format (MSI) provides a number of benefits for desktop administrators that customize or manage software at scale. Unlike the basic installer that most users obtain from Java.com or OTN, this installer is built around customization and integration with various desktop management products like SCCM. Desktop administrators using the MSI installer can use every feature provided by the format, such as silent installs/upgrades, low-privileged installations, or self-repair capabilities Customers looking for Java SE Advanced can download the MSI installer through their My Oracle Support (MOS) account. Java SE Advanced The new features in Java SE Advanced make it easier for desktop administrators to identify and control client installations at scale. Administrators at organizations that want either the tools or associated commercial support should consider Java SE Advanced.

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• Beta Soon Closing: Java SE 7 Programmer I (OCA) Exam

  - by Harold Green

  Just a reminder that you still have the next several weeks to take the beta exam for the new "Oracle Certified Associate, Java SE 7 Programmer" certification. From now through December 16th, you can take the "Java SE 7 Programmer I" exam (1Z1-803) for only $50 USD. Not only that, but because this only a single-exam certification - passing it puts you among the very first certified on the new Java SE 7 platform! You'll be happy to note that we worked hard to raise the bar for OCA as we built the Java SE 7 certification. The content that we considered to be more ‘conceptual knowledge-based' has been eliminated in the OCA level and has been replaced with far more practical content - what we often call "practitioner-level" concepts and questions. In fact, some of the topics that we previously covered at the Oracle Certified Professional (OCP) level is now covered at the OCA level. Doing this not only increases the value of the Java SE 7 OCA certification, but also has provided the opportunity for us to broaden the topics, concepts, questions covered at the OCP certification level. All of this adds up to more value and credibility to those who get certified on Java SE 7. The OCA exam doesn’t have prerequisites. But it is very important that you carefully review the test objectives on the exam page and assess your current skills and knowledge against that list to be sure that you're ready. From the exam page you can register to take the exam at a Pearson VUE testing center near you.Below are some helpful details on the certification track and exam. Again, register now - just a few weeks left at the special low beta price! QUICK LINKS: Certification Track: Oracle Certified Associate (OCA), Java SE 7 Programmer Certification Exam: Java SE 7 Programmer I (1Z1-803) Video: Coming Soon - Java SE 7 Certification Info: About Beta Exams Exam Registration: Instructions | Register Here

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• NoSQL with MongoDB, NoRM and ASP.NET MVC - Part 2

  - by shiju

   In my last post, I have given an introduction to MongoDB and NoRM using an ASP.NET MVC demo app. I have updated the demo ASP.NET MVC app and a created a new drop at codeplex. You can download the demo at http://mongomvc.codeplex.com/In my last post, we have discussed to doing basic CRUD operations against a simple domain entity. In this post, let’s discuss on domain entity with deep object graph.The below is our domain entities  public class Category {       [MongoIdentifier]     public ObjectId Id { get; set; }       [Required(ErrorMessage = "Name Required")]     [StringLength(25, ErrorMessage = "Must be less than 25 characters")]     public string Name { get; set;}     public string Description { get; set; }     public List<Expense> Expenses { get; set; }       public Category()     {         Expenses = new List<Expense>();     } }    public class Expense {     [MongoIdentifier]     public ObjectId Id { get; set; }     public Category Category { get; set; }     public string  Transaction { get; set; }     public DateTime Date { get; set; }     public double Amount { get; set; }   }   We have two domain entities - Category and Expense. A single category contains a list of expense transactions and every expense transaction should have a Category.The MongoSession class  internal class MongoSession : IDisposable {     private readonly MongoQueryProvider provider;       public MongoSession()     {         this.provider = new MongoQueryProvider("Expense");     }       public IQueryable<Category> Categories     {         get { return new MongoQuery<Category>(this.provider); }     }     public IQueryable<Expense> Expenses     {         get { return new MongoQuery<Expense>(this.provider); }     }     public MongoQueryProvider Provider     {         get { return this.provider; }     }       public void Add<T>(T item) where T : class, new()     {         this.provider.DB.GetCollection<T>().Insert(item);     }       public void Dispose()     {         this.provider.Server.Dispose();     }     public void Delete<T>(T item) where T : class, new()     {         this.provider.DB.GetCollection<T>().Delete(item);     }       public void Drop<T>()     {         this.provider.DB.DropCollection(typeof(T).Name);     }       public void Save<T>(T item) where T : class,new()     {         this.provider.DB.GetCollection<T>().Save(item);                }     }     ASP.NET MVC view model  for Expense transaction  public class ExpenseViewModel {     public ObjectId Id { get; set; }       public ObjectId CategoryId { get; set; }       [Required(ErrorMessage = "Transaction Required")]            public string Transaction { get; set; }       [Required(ErrorMessage = "Date Required")]            public DateTime Date { get; set; }       [Required(ErrorMessage = "Amount Required")]        public double Amount { get; set; }       public IEnumerable<SelectListItem> Category { get; set; } }  Let's create action method for Insert and Update a expense transaction   [HttpPost] public ActionResult Save(ExpenseViewModel expenseViewModel) {     try     {         if (!ModelState.IsValid)         {             using (var session = new MongoSession())             {                 var categories = session.Categories.AsEnumerable<Category>();                 expenseViewModel.Category = categories.ToSelectListItems(expenseViewModel.CategoryId);                }             return View("Save", expenseViewModel);         }           var expense=new Expense();         ModelCopier.CopyModel(expenseViewModel, expense);           using (var session = new MongoSession())         {             ObjectId Id = expenseViewModel.CategoryId;             var category = session.Categories                 .Where(c => c.Id ==Id  )                 .FirstOrDefault();             expense.Category = category;             session.Save(expense);         }         return RedirectToAction("Index");     }     catch     {         return View();     } } Query with Expenses  using (var session = new MongoSession()) {     var expenses = session.Expenses.         Where(exp => exp.Date >= StartDate && exp.Date <= EndDate)         .AsEnumerable<Expense>(); }  We are doing a LINQ query expression with a Date filter. We can easily work with MongoDB using NoRM driver and can managing object graph of domain entities are pretty cool. Download the Source - You can download the source code form http://mongomvc.codeplex.com

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• Java SE 7u10: Enhanced Security Features and Support for New Platforms

  - by Tori Wieldt

  On December 11, 2012 Oracle released Java SE 7 Update 10 (Java SE 7u10). This release includes enhanced security features and support for new platforms. Enhanced Security Features The JDK 7u10 release includes the following security enhancements: The ability to disable any Java application from running in the browser. This mode can be set in the Java Control Panel or (on Microsoft Windows platform only) using a command-line install argument. The ability to select the desired level of security for unsigned applets, Java Web Start applications, and embedded JavaFX applications that run in a browser. Four levels of security are supported. This feature can be set in the Java Control Panel or (on Microsoft Windows platform only) using a command-line install argument. New dialogs to warn you when the JRE is insecure (either expired or below the security baseline) and needs to be updated. For more information, read Henrik Stahl's blog Oracle JDK 7u10 Released with New Security and the documentation Setting the Level of Security for the Java Client. New Supported Platforms Java SE 7 Update 10 (Java SE 7u10) supports Windows 8 Desktop Mode1 with IE 10, and Mac OS 10.8.? For more information, refer to the Oracle Certified System Configurations page.  Download and Release Notes Java SE 7u10 is available on OTN Download Page. To learn more about the release, please see the Java SE 7u10 Release Notes. For information about the other Java releases last week, read the Java Source blog "Java SE Updates." 

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• Ceský Oracle se stehuje

  - by david.krch

  Pro prípad, že se k nám chystáte na nejaký seminár, nebo schuzku, bude se vám hodit informace, že jsme se na konci minulého týdne rozloucili s naší budovou kousek od Václavského námestí a ode dneška nás najdete u metra Chodov na adrese: V Parku 2308/8 148 00 Praha 11 Mapa Pokud vám tato adresa prijde povedomá, hádáte správne - pristehovali jsme se k našim novým kolegum puvodne pracujícím pod hlavickou Sun Microsystems.

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• Is "as long as it works" the norm?

  - by q303

  Hi, My last shop did not have a process. Agile essentially meant they did not have a plan at all about how to develop or manage their projects. It meant "hey, here's a ton of work. Go do it in two weeks. We're fast paced and agile." They released stuff that they knew had problems. They didn't care how things were written. There were no code reviews--despite there being several developers. They released software they knew to be buggy. At my previous job, people had the attitude as long as it works, it's fine. When I asked for a rewrite of some code I had written while we were essentially exploring the spec, they denied it. I wanted to rewrite the code because code was repeated in multiple places, there was no encapsulation and it took people a long time to make changes to it. So essentially, my impression is this: programming boils down to the following: Reading some book about the latest tool/technology Throwing code together based on this, avoiding writing any individual code because the company doesn't want to "maintain custom code" Showing it and moving on to the next thing, "as long as it works." I've always told myself that next job I'm going to get a better shop. It never happens. If this is it, then I feel stuck. The technologies always change; if the only professional development here is reading the latest MS Press technology book, then what have you built in 10 years but a superficial knowledge of various technologies? I'm concerned about: Best way to have professional standards How to develop meaningful knowledge and experience in this situation

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• OpenJDK In The News: Oracle Outlines Roadmap for Java SE and JavaFX at JavaOne 2012

  - by $utils.escapeXML($entry.author)

  The OpenJDK Community continues to host the development of the reference implementation of Java SE 8. Weekly developer preview builds of JDK 8 continue to be available from jdk8.java.net.OpenJDK continues to thrive with contributions from Oracle, as well as other companies, researchers and individuals.The OpenJDK Web Site Terms of Use was recently updated to allow work on Java Specification Requests (JSRs) for Java SE to take place in the OpenJDK Community, alongside their corresponding reference implementations, so that specification leads can satisfy the new transparency requirements of the Java Community Process (JCP 2.8).“The recent decision by the Java SE 8 Expert Group to defer modularity to Java SE 9 will allow us to focus on the highly-anticipated Project Lambda, the Nashorn JavaScript engine, the new Date/Time API, and Type Annotations, along with numerous other performance, simplification, and usability enhancements,” said Georges Saab, vice president, Software Development, Java Platform Group at Oracle. “We are continuing to increase our communication and transparency by developing the reference implementation and the Oracle-led JSRs in the OpenJDK community.”Quotes taken from the 14th press release from Oracle mentioning OpenJDK, titled "Oracle Outlines Roadmap for Java SE and JavaFX at JavaOne 2012".

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• Developer Preview of Java SE 8 for ARM Now Available

  - by Tori Wieldt

  A Developer Preview of Java SE 8 including JavaFX (JDK 8) on Linux for ARM processors is now available for immediate download from Java.net. As Java Evangelist Stephen Chin says, "This is a great platform for doing small embedded projects, a low cost computing system for teaching, and great fun for hobbyists." This Developer Preview is provided to the community so that you can provide us with valuable feedback on the ongoing progress of the project. We wanted to get this release out to you as quickly as we can so you can start using this build of Java SE 8 on an ARM device, such as the Raspberry Pi (http://raspberrypi.org/). Download JDK 8 for ARM Read the documentation for this early access release Let Us Know What You Think!Use the Forums to share your stories, comments and questions. Java SE Snapshots: Project Feedback Forum  JavaFX Forum We are interested in both problems and success stories. If something does not work or behaves differently than what you expect, please check the list of known issues and if yours is not listed there, then report a bug at JIRA Bug Tracking System. More ResourcesJavaFX on Raspberry Pi – 3 Easy Steps by Stephen Chin OTN Tech Article: Getting Started with Java SE Embedded on the Raspberry Pi by Bill Courington and Gary Collins Java Magazine Article: Getting Started with Java SE for Embedded Devices on Raspberry Pi (Free subscription required) Video: Quickie Guide Getting Java Embedded Running on Raspberry Pi by Hinkmond Wong 

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• ARM TechCON 2013 presentation: Java SE 8 Compact Profiles

  - by hinkmond

  I'll be giving a technical session presentation at ARM TechCON 2013 this Wed. 10/30 @ 11:30am. So if you are in Santa Clara, Calif. come over to the conference and hear me present on this fun-filled topic! See: Java SE 8 Compact Profiles Here's a quote: Java SE 8 has a new Compact Profiles feature that allows for three new specification–compliant subsets of Java SE 8 APIs. Compact Profiles will enable the creation of Java SE 8 runtimes that support configurations that previously were possible only with the CDC version of J2ME... It's an important topic in today's mad, mad world of Embedded Development. You never want to develop in Java for small devices with your Compact Profiles. It's just not what you'd want! Hinkmond

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• Windows 7 se rapproche des 100 millions de copies vendues, l'OS à le vent en poupe

  Windows 7 se rapproche des 100 millions de copies vendues, l'OS à le vent en poupe

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• June 2012 Critical Patch Update for Java SE Released

  - by Eric P. Maurice

  Hi, this is Eric Maurice. Oracle just released the June 2012 Critical Patch Update for Java SE.  This Critical Patch Update provides 14 new security fixes across Java SE products.  As discussed in previous blog entries, Critical Patch Updates for Java SE will, for the foreseeable future, continue to be released on a separate schedule than that of other Oracle products due to previous commitments made to Java customers.  12 of the 14 Java SE vulnerabilities fixed in this Critical Patch Update may be remotely exploitable without authentication.  6 of these vulnerabilities have a CVSS Base Score of 10.0.  In accordance with Oracle’s policies, these CVSS 10 scores represent instances where a user running a Java applet or Java Web Start application has administrator privileges (as is typical on Windows XP).  When the user does not run with administrator privileges (typical on the Solaris and Linux operating systems), the corresponding CVSS impact scores for Confidentiality, Integrity, and Availability for these vulnerabilities would be "Partial" instead of "Complete", thus lowering these CVSS Base Scores to 7.5. Due to the high severity of these vulnerabilities, Oracle recommends that customers obtain and apply these security fixes as soon as possible: Developers should download the latest release at http://www.oracle.com/technetwork/java/javase/downloads/index.html    Java users should download the latest release of JRE at http://java.com, and of course  Windows users can take advantage of the Java Automatic Update to get the latest release. In addition, Oracle recommends removing old an unused versions  of Java as the latest version is always the recommended version as it contains the most recent enhancements, and bug and security fixes.  For more information: •Instructions on removing older (and less secure) versions of Java can be found at http://java.com/en/download/faq/remove_olderversions.xml  •Users can verify that they’re running the most recent version of Java by visiting: http://java.com/en/download/installed.jsp   •The Advisory for the June 2012 Critical Patch Update for Java SE is located at http://www.oracle.com/technetwork/topics/security/javacpujun2012-1515912.html

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• No se que hay que hacer :$ URGENTE!

  - by Meri

  Pues yo llevo muy poco tiempo con ununtu y nose que hay que hacer no se me inicia .. es decir me sale el menu grub ese y le doy al primero iniciar con linux pero me sale una rayita blanca parpadeando y asi horas y no se enciende y tengo que apagarle forzandolo de golpe y lo vuelvo a encender y le doy modo recuperacion y sale muchas cosas y al final not avaliable algo asi y se queda asi rato necesito ayuda.Intente muchas cosas de internet pero ninguna funciono si os sirve de informacion tengo un Acer Aspire 5630 tiene intel.

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