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  • Windows 7 Service Pack 1 is Released: But Should You Install It?

    - by The Geek
    Microsoft has just released the final version of Service Pack 1 for Windows 7, but should you drop everything and go through the process of installing it? Where can you get it? We’ve got the answers for you. If you’ve never installed a service pack before, it’s just a big collection of fixes and changes for your operating system, bundled into a big fat download to make it more convenient if you reinstall—if you’ve kept Windows updated, it should have most of the fixes already installed through Windows Update Latest Features How-To Geek ETC How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Never Call Me at Work [Humorous Star Wars Video] Add an Image Properties Listing to the Context Menu in Chrome and Iron Add an Easy to View Notification Badge to Tabs in Firefox SpellBook Parks Bookmarklets in Chrome’s Context Menu Drag2Up Brings Multi-Source Drag and Drop Uploading to Firefox Enchanted Swing in the Forest Wallpaper

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  • How do I implement Unreal-like object serialization?

    - by MrWiggels
    Recently, I've been working on the core of my engine, and as I'm moving forward I find myself developing throwaway code to read files and simple data into the engine. This got me thinking about how I should implement a file management system. After a bit of googleing I came across the Unreal Package format, and boy does it look like the perfect one. I think it's good because the way how it allows you to separate different assets into different packages and allow something like a level to reference the different packages. I was just wondering, is this possible with C#? Because the built-in serialization API in .NET does not seem to support any form of this, only reading and writing to a single file.

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  • Is slower performance, of programming languages, really, a bad thing?

    - by Emanuil
    Here's how I see it. There's machine code and it's all that computers needs in order to run something. Computers don't care about programming languages. It doesn't matter to them whether the machine code comes from Perl, Python or PHP. Programming languages don't serve computers. They serve programmers. Some programming languages run slower than others but that's not necessarily because there is something wrong with them. In many cases, it's because they do more things that programmers would otherwise have to do (i.e. memory management) and by doing these things, they are better in what they are supposed to do - serve programmers. So, is slower performance, of programming languages, really, a bad thing?

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  • Is there an open source alternative to "Adobe Digital Editions"?

    - by soulsource
    For the moment I run Adobe Digital Editions under Wine to download ebooks burdened with ditigal restriction management. I only use it to open .acsm files supplied by ebook-shops, which contain authentication information required to download the actual DRM'ed ebook files, which I then transfer to my reader-device with calibre. My question is, if there exist open source alternatives to Adobe Digital Editions. They don't need much functionality. I just want to put the .acsm-file in and get the .epub out (no, I don't want to remove the drm, that'd be illegal afaik).

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  • What is the need of Odata when I have JSON ?

    - by punkouter
    I am trying to understand the point of Odata and when it would make sense. Right now how I work is I use ASP.NET and MVC/WebApi controller to serialize/deserialize objects into JSON and have javascript do something with it. From what I can tell the benefit of OData is being able to query directly from the URL ... But since I am writing the client and server code there is no need for that. Would anyone ever parse the results of a ODaya query in javascript?? Maybe OData is more about providing a generic endpoint for ALL clients to get detailed information from a query that JSON does not provide ? So if I was a provider of data then I suppose that is what odata is for ? Help me understand the purpose and use of REST/JSON/ODATA.

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  • vector collision on polygon in 3d space detection/testing?

    - by LRFLEW
    In the 3d fps in java I'm working on, I need a bullet to be fired and to tell if it hit someone. All visual objects in the game are defined through OpenGL, so the object it can be colliding with can be any drawable polygon (although they will most likely be triangles and rectangles anyways). The bullet is not an object, but will be treated as a vector that instantaneously moves all the way across the map (like the snipper riffle in Halo). What's the best way to detect/test collisions with the polygon and the vector. I have access to OpenCL, however I have absolutely no experience with it. I am very early in the developmental stage, so if you think there's a better way of going about this, feel free to tell me (I barley have a player model to collide with anyways, so I'm flexible with it). Thanks

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  • Q&amp;A: Will my favourite ORM Foo work with SQL Azure?

    - by Eric Nelson
    short answer: Quite probably, as SQL Azure is very similar to SQL Server longer answer: Object Relational Mappers (ORMs) that work with SQL Server are likely but not guaranteed to work with SQL Azure. The differences between the RDBMS versions are small – but may cause problems, for example in tools used to create the mapping between objects and tables or in generated SQL from the ORM which expects “certain things” :-) More specifically: ADO.NET Entity Framework / LINQ to Entities can be used with SQL Azure, but the Visual Studio designer does not currently work. You will need to point the designer at a version of your database running of SQL Server to create the mapping, then change the connection details to run against SQL Azure. LINQ to SQL has similar issues to ADO.NET Entity Framework above NHibernate can be used against SQL Azure DevExpress XPO supports SQL Azure from version 9.3 DataObjects.Net supports SQL Azure Open Access from Telerik works “seamlessly”  - their words not mine :-) The list above is by no means comprehensive – please leave a comment with details of other ORMs that work (or do not work) with SQL Azure. Related Links: General guidelines and limitations of SQL Azure SQL Azure vs SQL Server

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  • Gilbane Conference San Francisco 2010

    I attended the Gilbane Conference San Francisco 2010 today and did a short presentation on: Open Source Tools That are Changing the Content Technology Landscape Open Source tools are dramatically changing our perceptions of software and how we invest in tools for content creation, management and delivery. Open source tools are created more cheaply by a broad team of developers, but also may require strong support organizations to make them work, so they are never free. This session will examine...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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  • Bitbucket and a small development house

    - by Marlon
    I am in the process of finally rolling Mercurial as our version control system at work. This is a huge deal for everyone as, shockingly, they have never used a VCS. After months of putting the bug in management's ears, they finally saw the light and now realise how much better it is than working with a network of shared folders! In the process of rolling this out, I am thinking of different strategies to manage our stuff and I am leaning towards using Bitbucket as our "central" repository. The projects in Bitbucket will solely be private projects and everyone will push and pull from there. I am open to different suggestions, but has anyone got a similar setup? If so, what caveats have you encountered?

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  • What do you do when your naming convention clashes with your language?

    - by Jon Purdy
    Okay, this is one of those little things that always bugged me. I typically don't abbreviate identifiers, and the only time I use a short identifier (e.g., i) is for a tight loop. So it irritates me when I'm working in C++ and I have a variable that needs to be named operator or class and I have to work around it or use an abbreviation, because it ends up sticking out. Caveat: this may happen to me disproportionately often because I work a lot in programming language design, where domain objects may mirror concepts in the host language and inadvertently cause clashes. How would you deal with this? Abbreviate? (op) Misspell? (klass) Something else? (operator_)

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  • How are components properly instantiated and used in XNA 4.0?

    - by Christopher Horenstein
    I am creating a simple input component to hold on to actions and key states, and a short history of the last ten or so states. The idea is that everything that is interested in input will ask this component for the latest input, and I am wondering where I should create it. I am also wondering how I should create components that are specific to my game objects - I envision them as variables, but then how do their Update/Draw methods get called? What I'm trying to ask is, what are the best practices for adding components to the proper collections? Right now I've added my input component in the main Game class that XNA creates when everything is first initialized, saying something along the lines of this.Components.Add(new InputComponent(this)), which looks a little odd to me, and I'd still want to hang onto that reference so I can ask it things. An answer to my input component's dilemma is great, but also I'm guessing there is a right way to do this in general in XNA.

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  • Breaking up a large PHP object used to abstract the database. Best practices?

    - by John Kershaw
    Two years ago it was thought a single object with functions such as $database->get_user_from_id($ID) would be a good idea. The functions return objects (not arrays), and the front-end code never worries about the database. This was great, until we started growing the database. There's now 30+ tables, and around 150 functions in the database object. It's getting impractical and unmanageable and I'm going to be breaking it up. What is a good solution to this problem? The project is large, so there's a limit to the extent I can change things. My current plan is to extend the current object for each table, then have the database object contain these. So, the above example would turn into (assume "user" is a table) $database->user->get_user_from_id($ID). Instead of one large file, we would have a file for every table.

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  • Changing DisplayMode seems not to update Input&Graphic Dimension

    - by coding.mof
    I'm writing a small game using Slick and Nifty-GUI. At the program startup I set the DisplayMode using the following lines: AppGameContainer app = new ... app.setDisplayMode( 800, 600, false ); app.start(); I wrote a Nifty-ScreenController for my settings dialog in which the user can select the desired DisplayMode. When I try to set the new DisplayMode within this controller class the game window gets resized correctly but the Graphics and Input objects aren't updated accordingly. Therefore my rendering code just uses a part of the new window. I tried to set different DisplayModes in the main method to test if it's generally possible to invoke this method multiple times. It seems that changing the DisplayMode only works before I call app.start(). Furthermore I tried to update the Graphics & Input object manually but the init and setDimensions methods are package private. :( Does someone know what I'm doing wrong and how to change the DisplayMode correctly?

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  • Impressions and Reactions from Alliance 2012

    - by user739873
    Alliance 2012 has come to a conclusion.  What strikes me about every Alliance conference is the amazing amount of collaboration and cooperation I see across higher education in the sharing of best practices around the entire Oracle PeopleSoft software suite, not just the student information system (Oracle’s PeopleSoft Campus Solutions).  In addition to the vibrant U.S. organization, it's gratifying to see the growth in the international attendance again this year, with an EMEA HEUG organizing to complement the existing groups in the Netherlands, South Africa, and the U.K.  Their first meeting is planned for London in October, and I suspect they'll be surprised at the amount of interest and attendance. In my discussions with higher education IT and functional leadership at Alliance there were a number of instances where concern was expressed about Oracle's commitment to higher education as an industry, primarily because of a lack of perceived innovation in the applications that Oracle develops for this market. Here I think perception and reality are far apart, and I'd like to explain why I believe this to be true. First let me start with what I think drives this perception. Predominately it's in two areas. The first area is the user interface, both for students and faculty that interact with the system as "customers", and for those employees of the institution (faculty, staff, and sometimes students as well) that use the system in some kind of administrative role. Because the UI hasn't changed all that much from the PeopleSoft days, individuals perceive this as a dead product with little innovation and therefore Oracle isn't investing. The second area is around the integration of the higher education suite of applications (PeopleSoft Campus Solutions) and the rest of the Oracle software assets. Whether grown organically or acquired, there is an impressive array of middleware and other software products that could be leveraged much more significantly by the higher education applications than is currently the case today. This is also perceived as lack of investment. Let me address these two points.  First the UI.  More is being done here than ever before, and the PAG and other groups where this was discussed at Alliance 2012 were more numerous than I've seen in any past meeting. Whether it's Oracle development leveraging web services or some extremely early but very promising work leveraging the recent Endeca acquisition (see some cool examples here) there are a lot of resources aimed at this issue.  There are also some amazing prototypes being developed by our UX (user experience team) that will eventually make their way into the higher education applications realm - they had an impressive setup at Alliance.  Hopefully many of you that attended found this group. If not, the senior leader for that team Jeremy Ashley will be a significant contributor of content to our summer Industry Strategy Council meeting in Washington in June. In the area of integration with other elements of the Oracle stack, this is also an area of focus for the company and my team.  We're making this a priority especially in the areas of identity management and security, leveraging WebCenter more effectively for content, imaging, and mobility, and driving towards the ultimate objective of WebLogic Suite as our platform for SOA, links to learning management systems (SAIP), and content. There is also much work around business intelligence centering on OBI applications. But at the end of the day we get enormous value from the HEUG (higher education user group) and the various subgroups formed as a part of this community that help us align and prioritize our investments, whether it's around better integration with other Oracle products or integration with partner offerings.  It's one of the healthiest, mutually beneficial relationships between customers and an Education IT concern that exists on the globe. And I can't avoid mentioning that this kind of relationship between higher education and the corporate IT community that can truly address the problems of efficiency and effectiveness, institutional excellence (which starts with IT) and student success.  It's not (in my opinion) going to be solved through community source - cost and complexity only increase in that model and in the end higher education doesn't ultimately focus on core competencies: educating, developing, and researching.  While I agree with some of what Michael A. McRobbie wrote in his EDUCAUSE Review article (Information Technology: A View from Both Sides of the President’s Desk), I take strong issue with his assertion that the "the IT marketplace is just the opposite of long-term stability...."  Sure there has been healthy, creative destruction in the past 2-3 decades, but this has had the effect of, in the aggregate, benefiting education with greater efficiency, more innovation and increased stability as larger, more financially secure firms acquire and develop integrated solutions. Cole

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  • Web Host for Small Rails-based CMS site [closed]

    - by clem
    Possible Duplicate: How to find web hosting that meets my requirements? I am building a site for someone that uses a Rails-based content management system that I built myself. All of the Rails deployment experience I have so far has been over small intranets. I'm looking at web hosts like rackspace, because it seems like they're well-suited for Rails deployment. However, for a site that's not going to have more than a couple of hundred hits a month (if even that), I'm not sure it's necessary. I've also used Dreamhost's Phusion Passenger deployment for small projects before, but it seems barely functional and not well-supported, and I've also used Heroku for deployment, but I think a regular web host may do a little bit better, as they'll need things like Google Apps for Gmail set up. If anyone could provide some guidance on this, I'd greatly appreciate it. I get confused when I see things on rackspace like "1.5c/hour", because I'm not sure how that gets computed.

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  • Access Control Service v2

    - by Your DisplayName here!
    A Resource-STS (others call it RP-STS or federation gateway) is a necessity for non-trivial federated identity scenarios. ADFS v2 does an excellent job in fulfilling that role – but (as of now) you have to run ADFS on-premise. The Azure Access Control Service is a Resource-STS in the cloud (with all the usual scalability/availability) promises. Unfortunately a lot of (the more interesting) features in ACS v1 had to be cut due to constrained time/resources. The good news is that ACS v2 is now in CTP and brings back a lot of the missing features (like WS* support) and adds some really sweet new ones (out of the box federation with Google, Facebook, LiveID – and OpenId in general). You can read about the details here. On a related note – ACS v2 works out of the box with StarterSTS – simply choose the ADFS v2 option and point the management portal to the StarterSTS WS-Federation metadata endpoint. Have fun ;)

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  • quick prototyping in project design & development

    - by lurscher
    i'm currently working on a project in my spare time (mostly 3-4 hours from monday to friday, and up to 6 hours on sundays) and i've found redmine very useful to hold a record of development tasks. However, there are some stuff, specially when you are trying to prototype or brainstorm a redesign of a set of related classes, that the best tool that i've found for this still is a sheet of paper and a pen. I want to understand if maybe i'm just short of getting to work properly with existing tools. Do you find the use of a notebook or a journal an unavoidable part of software design? are there better alternatives? how do you organize pen-and-paper work and other software management tools like redmine?

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  • How to distribute a unique database already in production?

    - by JVerstry
    Let's assume a successful web spring application running on a MySql or PostGre kind of database. The traffic is becoming so high and the amount of data is becoming so big that a distributed dataase solution needs to be implemented. It is a scalability issue. Let's assume this application is using Hibernate and the data access layer is cleanly separated with DAO objects. What would be the best strategy to scale this database? Does anyone have hands on experience to share? Is it possible to minimize sharding code (Shard) in the application? Ideally, one should be able to add or remove databases easily. A failback solution is welcome too. I am not looking for you could go for sharding or you could go no sql kind of answers. I am looking for deeper answers from people with experience.

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  • Checking for DBNull

    - by Jim Lahman
    Using a table adapter to a SQL Server database table that returns a NULL record.  We determine the fields are NULL by comparing against System.DBNull Looking the NULL records in SQL Management studio   Using a table adapter to retrieve a record   1: try 2: { 3: this.vTrackingTableAdapter.FillByTrkZone(this.dsL1Write.vTracking, iTrkZone); 4: } 5: catch (Exception ex) 6: { 7: sLogMessage = String 8: .Format("Error getting coil number from tracking table at {0} - {1}", 9: sTrkName, 10: ex.Message); 11: throw new CannotReadTrackingTableException(sLogMessage); 12: }   Looking at the record as it returned from the table adapter:   ItemArrayObject Column [0] ChargeCoilNumber [1] HeadWeldZone [2] TailWeldZone [3] ZoneLen [4] ZoneCoilLen [5] Confirmed [6] Validated [7] EntryWidth [8] EntryThickness   Since each item in the ItemArray is an object, we can test for null   1: if (dsL1Write.vTracking.Rows[0].ItemArray[0] == System.DBNull.Value) 2: { 3: throw new NoCoilAtPORException("NULL coil found at tracking zone " + sTrkName); 4: }   If no records were returned by the table adapter 1: if (dsL1Write.vTracking.Rows.Count == 0) 2: { 3: throw new NoCoilAtPORException("No coils found at tracking zone " + sTrkName); 4: }

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  • Top 10 Transact-SQL Statements a SQL Server DBA Should Know

    Microsoft SQL Server is a feature rich database management system product, with an enormous number of T-SQL commands. With each feature supporting its own list of commands, it can be difficult to remember them all. MAK shares his top 10 T-SQL statements that a DBA should know. Join SQL Backup’s 35,000+ customers to compress and strengthen your backups "SQL Backup will be a REAL boost to any DBA lucky enough to use it." Jonathan Allen. Download a free trial now.

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  • How to remove Ubunto from boot screen?

    - by Alaa M.
    I tried to install Ubuntu 14.04 on my Windows 8, and in the installation wizard I chose "Help me boot from CD". Now I have something like this when I restart the computer: http://i.stack.imgur.com/HxDQr.png If I click Ubuntu I get an error about a missing file (wubildr.mbr). I found a solution here. But that's not my concern now. I don't know if that means I have Ubuntu installed on my computer now or not, but I wanna delete it from the boot screen. I figured that I need to delete its partition, so I went to Disk Management and found the following: http://i.stack.imgur.com/W0oP4.png My question is: which one should I delete?

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  • Neue Spezialisierung, neues Glück!

    - by A&C Redaktion
    Spektakuläre News aus der Welt der Spezialisierungen: Das Oracle PartnerNetwork (OPN) bietet künftig eine Spezialisierung für Oracle Spatial. Bekannt gegeben wurde dies kürzlich auf der Location Intelligence and Oracle Spatial User Conference 2012 in Washington. Bei Oracle Spacial handelt es sich um eine besondere Option für die Oracle Database 11g Enterprise Edition. Sie bietet neuartige Möglichkeiten zur Unterstützung von räumlichen Applikationen, location-based Services und raumbezogenen Informationssystemen in Unternehmen. Konkret dient die Anwendung z. B. dazu, geographische Daten innerhalb der Datenbank zu managen. Die Möglichkeiten reichen vom automatisierten Erstellen von Karten über Facilities-Management bis hin zum Geopraphic Information System (GIS). Die Kriterien für diese besondere Spezialisierung finden sie auf der Webseite Oracle Spatial 11g Specialization Criteria. Oracle Spacial ist nur eine unter vielen möglichen Spezialisierungen, mit denen Partner offiziell zu anerkannten und ausgezeichneten Experten werden können. Einen Überblick über die Vorteile der Spezialisierung und die Wege dorthin finden Sie hier.Und dies ist der Link auf unsere deutsche Broschüre.

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  • Neue Spezialisierung, neues Glück!

    - by A&C Redaktion
    Spektakuläre News aus der Welt der Spezialisierungen: Das Oracle PartnerNetwork (OPN) bietet künftig eine Spezialisierung für Oracle Spatial. Bekannt gegeben wurde dies kürzlich auf der Location Intelligence and Oracle Spatial User Conference 2012 in Washington. Bei Oracle Spacial handelt es sich um eine besondere Option für die Oracle Database 11g Enterprise Edition. Sie bietet neuartige Möglichkeiten zur Unterstützung von räumlichen Applikationen, location-based Services und raumbezogenen Informationssystemen in Unternehmen. Konkret dient die Anwendung z. B. dazu, geographische Daten innerhalb der Datenbank zu managen. Die Möglichkeiten reichen vom automatisierten Erstellen von Karten über Facilities-Management bis hin zum Geopraphic Information System (GIS). Die Kriterien für diese besondere Spezialisierung finden sie auf der Webseite Oracle Spatial 11g Specialization Criteria. Oracle Spacial ist nur eine unter vielen möglichen Spezialisierungen, mit denen Partner offiziell zu anerkannten und ausgezeichneten Experten werden können. Einen Überblick über die Vorteile der Spezialisierung und die Wege dorthin finden Sie hier.Und dies ist der Link auf unsere deutsche Broschüre.

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  • What are the most common stumbling blocks when it comes to learning programming, in order of difficulty?

    - by blueberryfields
    I seem to remember that linked lists, recursion, pointers, and memory management are all good examples of stumbling blocks - places where the aspiring programmer typically ends up spending significant time trying to understand a concept before moving on and improving, and many end up giving up and not improving. I'm looking for a complete/comprehensive list of these types of stumbling blocks, in rough estimated order of difficulty to learn, with the goal of making sure that an educational program for programmers is structured to properly guide students through them Is this information available somewhere? Ideally, the difficulty to learn will be measured in some sort of objective manner (ie, % of students which consistently fail to learn the concept) What sources are most appropriate for obtaining this information?

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  • Oracle University Nuovi corsi (Week 42)

    - by rituchhibber
    Oracle University ha recentemente rilasciato i seguenti nuovi corsi in inglese: Database Oracle Enterprise Manager Cloud Control 12c: Install & Upgrade (Training On Demand) MySQL Performance Tuning (Training On Demand) Fusion Middleware Oracle GoldenGate 11g Fundamentals for Oracle (4 days) Oracle WebCenter Content 11g: Site Studio Essentials (5 days) Oracle WebCenter Portal 11g: Build Portals with Spaces (3 days) Business Intelligence Oracle BI 11g R1: Create Analyses and Dashboards (4 days) SOA & BPM SOA Adoption and Architecture Fundamentals (3 Days) eBusiness Suite R12 Oracle Using and Maintaining Approvals Management - Self-Study Course R12 Oracle HRMS Advanced Benefits Fundamentals - Self-Study Course WebLogic Oracle WebLogic Server 11g: Monitor and Tune Performance (Training On Demand) Financial Oracle Project Financial Planning 11.1.2: Create Projects ( 3 days) Tuxedo Oracle Tuxedo 12c: Application Administration (5 days) Java Java SE 7: The Platform Evolves - Self-Study Course Primevera Primavera Client/Server Partner Trainer Course - Self-Study Course Primavera Progress Reporter 8.2 - Self-Study Course Per ulteriori informazioni e per conoscere le date dei corsi, contattate il vostro Oracle University team locale.

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