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• Unable to start VMWare Workstation after upgrade to 13.04

  - by pst007x

  After upgrading to 13.04 I am unable to start VMWorkstation. I get the following message: Before you can run VMware, several modules must be compiled and loaded into the running kernel. Kernel Headers 3.8.0-19-generic Kernel headers for version 3.8.0-19-generic were not found. If you have installed them in a non-default path you can specify the path below. Does anyone have any idea what to do next? Ubuntu 13.04 64bit If I direct the path to: /usr/src/linux-headers-3.8.0-19-generic I get the following message: C header files matching your running kernel were not found. Thanks Additional: As suggested I run this in terminal: cd /lib/modules/$(uname -r)/build/include/linux sudo ln -s ../generated/utsrelease.h sudo ln -s ../generated/autoconf.h sudo ln -s ../generated/uapi/linux/version.h However, now I get the following: Before you can run VMware, several modules must be compiled and loaded into the kernel CANCEL / INSTALL I INSTALL, the window closes and nothing happens.... Any ideas? ADDITIONAL: I installed this: sudo apt-get install open-vm-tools open-vm-tools-dev open-vm-dkms open-vm-toolbox open-vm-tools-dev And it all launched... Many thanks for the suggestions and help... This is what I love about Ubuntu... it has a great helpful community... ! Note: Also found this which may help others too: HERE ADDITIONAL ERROR: Could not open /dev/vmmon: Is a directory. Please make sure that the kernel module `vmmon' is loaded. Failed to initialize monitor device. Monitor settings all greyed out RESOLUTION: Re-installation of Nvidia Drivers

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• ArchBeat Link-o-Rama for November 29, 2012

  - by Bob Rhubart

  Oracle Exalogic Elastic Cloud: Advanced I/O Virtualization Architecture for Consolidating High-Performance Workloads This new white paper by Adam Hawley (with contributions from Yoav Eilat) describes in great detail the incorporation into Oracle Exalogic of virtualized InfiniBand I/O interconnects using Single Root I/O Virtualization (SR-IOV) technology. Developing Spring Portlet for use inside Weblogic Portal / Webcenter Portal | Murali Veligeti A detailed technical post with supporting downloads from Murali Veligeti. Business SOA: When to shout, the art of constructive destruction Communication skills are essential for architects. Sometimes that means raising your voice. Steve Jones shares some tips for effective communication when the time comes to let it all out. Centralized Transaction Management for ADF Data Control | Andrejus Baranovskis Oracle ACE Director and prolific blogger Andrejus Baranovskis shares instructions and a sample application to illustrate how to implement centralized Commit/Rollback management in an ADF application. Collaborative Police across multiple stakeholders and jurisdictions | Joop Koster Capgemini Oracle Solution Architect Joop Koster raises some interesting IT issues regarding the challenges facing international law enforcement. Architected Systems: "If you don't develop an architecture, you will get one anyway…" "Can you build a system without taking care of architecture?" asks Manuel Ricca. "You certainly can. But inevitably the system will be unbalanced, neglecting the interests of key stakeholders, and problems will soon emerge." Thought for the Day "Good judgment comes from experience, and experience comes from bad judgment. " — Frederick P. Brooks Source: Quotes for Software Engineers

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• New Book - Oracle ADF Enterprise Application Development Made Simple

  - by Shay Shmeltzer

  It's nice to see another ADF book out there, this one from Sten Vesteli titled "Oracle ADF Enterprise Application Development Made Simple" comes from Packet Publishing Unlike other ADF books out there, this one doesn't aim to teach you Oracle ADF, but rather focuses on the right way to structure and manage a project that leverages ADF. This is a welcomed addition to the bookshelf for people who are looking into ADF based development. One thing I find is that some organization just start developing an ADF application without first doing much planning, something that is understandable given that it is very easy to start building a prototype with ADF and then just grow it into a full blown application. However, as the book points out, doing a bit of planning before you delve into the actual project development can save you a lot of time in the future. For example it is much better to have the right breakdown and structure of your project to allow you to do efficient team development right out of the gate, then to find out 1 year down the road that you are dealing with one monolithic size project which is hard to manage. The book touches on such topics as project organization (workspaces, projects, packages), planning your infrastructure (templates, framework classes), coding standards, team structure, etc. It also covers various aspects of application lifecycle management such as versioning, build, testing, deployment and managing requirements and tasks and how all of those are done when using JDeveloper and Oracle ADF. It's nice to see that the book covers working with Oracle Team Productivity Center - a solution that might not be getting the exposure it deserves. The book also has some chapters about security, internalization and customization of applications both with MDS and with ADF Faces skins (and it even covers the brand new skin editor). Overall I think this is definitely a book you should read if you are about to start your way on a new enterprise scale ADF application. Taking into account the topics that the book discusses before you start your work will save you time and effort down the road. By the way, don't forget that as an OTN member you can get discount on this and other books.

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• mount dev, proc, sys in a chroot environment?

  - by Patrick

  I'm trying to create a Linux image with custom picked packages. I followed the guide here http://www.olpcnews.com/forum/index.php?topic=4766.0 However, when I tried to install some packages, it failed to configure due to missing the proc, sys, dev directories. So, I learned from other places that I need to "mount" the host proc, ... directories to my chroot environment. Though, I saw two syntax and am not sure which one to use. In host machine: mount --bind /proc <chroot dir>/proc and another syntax (in chroot envrionment): mount -t proc none /proc Which one should I use, and what are the difference? Edit: What I'm trying to do is to hand craft the packages I'm going to use on an XO laptop, because compiling packages takes really long time on the real XO hardware, if I can build all the packages I need and just flash the image to the XO, I can save time and space.

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• StyleCop 4.7.34.0 has been released

  - by TATWORTH

  StyleCop 4.7.34.0 was released, today, 6/July at http://stylecop.codeplex.com/releases/view/79972Compatible with the Visual Studio 2012 RC (11.0.50522).Install order should be : VS2008VS2010VS2012 RCR#6.1.1 (for VS2010)R#7.0 (tested with daily build 7.0.83.281) (down load from http://confluence.jetbrains.net/display/ReSharper/ReSharper+7+EAP)StyleCop This version is now compatible with R# 5.1 (5.1.3000.12), R# 6.0 (6.0.2202.688), R# 6.1 (6.1.37.86), R# 6.1.1 (6.1.1000.82) and R# 7.0 (7.0.83.281).Here are the bug details for fixed in 4.7 and closed in 4.7 issues (over 100 issues fixed since 4.6)Here are the bug details for all issues since 4.3.3.0 that have been fixed and closed (over 450 fixes).Updated Release Notes are available hereOnline Rules documentation is available hereFixes for this release are:Update ReSharper 7.0 references to 7.0.83.281Fix for 7343. Inheritdoc was raising false positives for some partial classes. Added regression test data.Fix for 7351. Remove the correct blank lines for SA1512 on code cleanup.Fix for 7346. Insert documentation fully on cleanup and on bulb items.Ensure that the SuppressMessage bulbItem can calculate the correct element to insert at.Fix for 7352. Module level suppressmessages were not working.Spelling mistake.Add missing typenames to resource file.Spelling fixes.Remove obsolete files.

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• How exactly is an Abstract Syntax Tree created?

  - by Howcan

  I think I understand the goal of an AST, and I've build a couple of tree structures before, but never an AST. I'm mostly confused because the nodes are text and not number, so I can't think of a nice way to input a token/string as I'm parsing some code. For example, when I looked at diagrams of AST's, the variable and its value were leaf nodes to an equal sign. This makes perfect sense to me, but how would I go about implementing this? I guess I can do it case by case, so that when I stumble upon an "=" I use that as a node, and add the value parsed before the "=" as the leaf. It just seems wrong, because I'd probably have to make cases for tons and tons of things, depending on the syntax. And then I came upon another problem, how is the tree traversed? Do I go all the way down the height, and go back up a node when I hit the bottom, and do the same for it's neighbor? I've seen tons of diagrams on ASTs, but I couldn't find a fairly simple example of one in code, which would probably help.

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• Rant - Why is Windows Azure not available in Africa?

  - by Allan Rwakatungu

  Yesterday at the .NET user group meeting in Kampala Uganda  I gave a talk on cloud computing with Windows Azure  (details will be in my next blog post). The guys where excited. Without owning they own inftrastucture and at low cost they can build scalable , highly available applications. Not quite. Azure accounts are only available to people in particular countries - none from Africa. I attended PDC in 2008 when Microsoft unleashed Windows Azure. One of the case studies to show the benefits ofr cloud computing was a project in Africa for an education service in Ethiopia. The point they where making was that the cloud was perfect for scenarios where computing infrastructure is not sophiscated, like Ethiopia. Perfect , i thought. So i got my beta account from PDC and started playing around in the cloud. Then Azure goes live , my beta account does not work any more and I cant pay because am from Uganda. Microsoft , this sucks. I dont know the reasons for Microsoft doing this, but am sure we can work out something. We in Africa need the cloud more than anybody else in the world. Setting up data centers that are higly scalable and available for our startups is not an option we have. But we also cant pay for cloud computing with Microsoft. Microsoft, we know we are a tiny insigficant market for a company your size, but your excluding us only continues to widen the digital divide. Microsoft , how about you have a reseller model for cloud computing. Instead of trying to deal direclty with each client you have local partners who help you sell and bill your cloud services. I think that would lead to Windows Azure being available in Africa. I can help you resell in Uganda.

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• How to write a blog for SEO purpose

  - by Mathieu Imbert

  I have a photo sharing website, which provides very little textual content. Users can add tags to photos and a description, but it creates a lot of duplicate content, because most of the descriptions will be 'wow', 'lol', ... I don't think I should rely on users to build my SEO. I think it would be a great idea to write a blog, and use it to describe the best photos, start contests, explain themes, in short: create original content that search engines will love. Our website's main URL is like www.domain.com, and our new blog is hosted on blog.domain.com. From a SEO perspective, is it a good idea to keep the blog separate from the main site? This has the advantage to leave the original site unchanged, but will it add any page rank to the www.domain.com? If the blog ranks well it will obviously pass some page rank to the original through links. What do you think is the best option from a SEO perspective? Include the blog in www.domain.com? Or leave it in blog.domain.com?

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• SCCM deploy from VMware XP image

  - by HannesFostie

  We recently set up the latest version of SCCM and I managed to capture a .wim image from a virtual machine (build and capture task sequence). I want to use this .wim file to deploy winXP to different hardware, and therefor need to add device drivers to the task sequence. I created a driver package per laptop type, and deployed for the first time. However, I am getting a BSOD (0x00007B) which leads me to believe theres a problem with the storage drivers. After adjusting the task sequence to try and point to the mass storage drivers (which are applied at F6, I suppose) I do not get a list of compatible drivers (the list is empty). I looked around, and found some issues regarding hdc class drivers that are not recognized as mass storage drivers. The workaround suggested changing the INF file to make the driver a SCSIAdapter class driver, and importing these again, but to no avail. The list remains empty. Any help is much appreciated

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• Generalist Languages: Dying or Alive and Well?

  - by dsimcha

  Around here, it seems like there's somewhat of a consensus that generalist programming languages (that try to be good at everything, support multiple paradigms, support both very high- and very low-level programming), etc. are a bad idea, and that it's better to pick the right tool for the job and use lots of different languages. I see three major areas where this is flawed: Interfacing multiple languages is always at least a source of friction and is sometimes practically impossible. How severe a problem this is depends on how fine-grained the interfacing is. Near the boundary between the two languages, though, you're basically limited to the intersection of their features, and you have to care about things like binary interfaces that you usually wouldn't. Passing complex data structures (i.e. not just primitives and arrays of primitives) between languages is almost always a hassle. Furthermore, shifting between different syntaxes, different conventions, etc. can be confusing and annoying, though this is a fairly minor complaint. Requirements are never set in stone. I hate picking a language thinking it's the right tool for the job, then realizing that, when some new requirement surfaces, it's actually a terrible choice for that requirement. This has happened to me several times before, usually when working with languages that are very slow, very domain specific and/or has very poor concurrency/parallelism support. When you program in a language for a while, you start to build up a personal toolbox of small utility functions/classes/programs. The value of these goes drastically down if you're forced to use a different language than the one you've accumulated all this code in. What am I missing here? Why shouldn't more focus be placed on generalist languages? Are generalist languages as a category dying or alive and well?

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• Stakeholder Management in OUM

  - by user719921

  Where is Stakeholder Management in OUM?  Stakeholder Management typically falls into the purview of the Project Manager, which means much of the associated guidance is found in the OUM Manage Focus Area (a.k.a. Manage).  There is no process in Manage named Stakeholder Management, but this “touch point” can be found in a variety of other processes including Bid Transition (BT), Communication Management (CMM) and Organizational Change Management (OCHM). •         Stakeholder management starts in the Bid Transition process with Stakeholder Analysis •         This Stakeholder Analysis is used to build the Project Team Communication Plan in the Communication Management process. •         Stakeholder management should be executed during the Execution and Control phase.  For example, as issues are resolved, the project manager should take the action item to follow up with the affected stakeholders to ensure they are aware that the issue has been resolved. •       The broader topic of Stakeholder management is also addressed very thoroughly in the Organizational Change Management process in the Implement Focus Area, which is a touch point to the Organizational Change Management process in Manage. Check it out and let me know your thoughts!

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• How to set global PATH on OS X Server 10.6.6?

  - by Adam Lindberg

  I'm running Tomcat on OS X Server 10.6.6 under the normal Web component that comes with the OS. This has worked fine so far, but I need to add some entries to the $PATH environment variable for programs that I want access to from the web server (more specifically, I'm running Hudson under Tomcat which needs access to build tools that I have installed). Tomcat and the Web component seems to run under the user _appserver which has a different $PATH than the administrator account. What's the proper way to add a global entry to the $PATH in OS X Server for the Web component? Preferable it should be done only once so that both the _appserver and Administrator user can access the same $PATH. EDIT: Adding the path to /etc/paths or /etc/paths.d/somefile didn't work. Tomcat and Hudson does still not see those directories.

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• Designing web-based plugin systems correctly so they don't waste as many resources?

  - by Xeoncross

  Many CMS systems which rely on third parties for much of their code often build "plugin" or "hooks" systems to make it easy for developers to modify the codebase's actions without editing the core files. This usually means an Observer or Event design pattern. However, when you look at systems like wordpress you see that on every page they load some kind of bootstrap file from each of the plugin's folders to see if that plugin will need to run that request. Its this poor design that causes systems like wordpress to spend many extra MB's of memory loading and parsing unneeded items each page. Are there alternative ways to do this? I'm looking for ideas in building my own. For example, Is there a way to load all this once and then cache the results so that your system knows how to lazy-load plugins? In other words, the system loads a configuration file that specifies all the events that plugin wishes to tie into and then saves it for future requests? If that also performs poorly, then perhaps there is a special file-structure that could be used to make educated guesses about when certain plugins are unneeded to fullfil the request. Any ideas? If anyone wants an example of the "plugin" concept you can find one here.

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• FTP Sites vs Sites in IIS 7.0

  - by NealWalters

  We have one FTP site set up (and working) basically like the instructions here: http://www.iis.net/learn/publish/using-the-ftp-service/creating-a-new-ftp-site-in-iis-7 It shows up under "Sites" and then the name of our FTP Site. However, above "Sites" (in the left navigation tree view), we see a node called "FTP Sites". When we click on it, it says "FTP Management is provided by IIS 6.0". Can someone give me the big picture of why this node appears, and why IIS 6 is involved? Is is some backward compatible feature? I didn't build these machines, so don't know the reasoning of what was done before I arrived on the scene. Also, is the tree view icon for websites and FTP sites the same?

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• Is a Mission Oriented Architecture (MOA) a better way to describe things than SOA?

  - by Brian Langbecker

  I might sound like a troll, but I would like to seriously understand this deeper. The place I work at has started to use the term MOA, versus SOA as we believe it drives more clarity and want to compare it to the true goals of SOA. A Mission Oriented Architecture is an approach whereby an application is broken down into various business mission elements, with the database, file assets, batch and real time functionality all tightly coupled in terms of delivering that piece of the functionality. The mission allows the developers to focus on a specific piece of functionality to get it right, and to build it with the ability for that piece to scale as an independent entity within the overall application. By tightly coupling the data, file assets and business logic you achieve the goals of working on a very large problem in bite size pieces. Some definitions of SOA mix it up with what is essentially a method call on a web service versus a true "service". As an architect, I have always found it fun getting everyone on the same page regarding SOA. Is it better to call it a "mission" versus a "service"?

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• Tracking down random BSOD on windows 7

  - by pehrs

  I have gotten a computer running windows 7 handed to me that randomly, several times a day, bsods with a PAGE_FAULT_IN_NONPAGED_AREA (50) or WHEA_UNCORRECTABLE_ERROR (124). Crashes happens regardless of load. I am running out of ideas for how to track this down. Analyzing the minidumps shows the crash to be in ntkrnlmp.exe/WMIADAP.exe System has plenty of power (600w) Ram checks out fine using memtest86+ over a weekend. System is clean inside. No dust build up. Temperatures stay low. As far as I know (and reliability history shows) no new drivers were installed for several months before the problems started. All drivers are now up to date. sfc /scannow reports the system as clean. CHKDSK reports the disks as clean Removing the AV (Avast) has no effect. Any more things that should be tried on windows 7 before I start replacing the hardware?

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• Why do I always get this error when using 'apt-get' commands?

  - by Venki

  I am using Ubuntu 14.04(with Unity). Just today(as of the date of this post) I did a sudo apt-get update && sudo apt-get upgrade and at the end of the 'Upgrade' process I got the following error :- Setting up crossplatformui (1.0.38) ... * Stopping ACPI services... [ OK ] * Starting ACPI services... [ OK ] package libqtgui4 exist QT_VERSION = 4 make -C /lib/modules/3.13.0-27-generic/build M=/usr/local/bin/ztemtApp/zteusbserial/below2.6.27 modules make[1]: Entering directory `/usr/src/linux-headers-3.13.0-27-generic' CC [M] /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o /usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.c:34:28: fatal error: linux/smp_lock.h: No such file or directory #include <linux/smp_lock.h> ^ compilation terminated. make[2]: *** [/usr/local/bin/ztemtApp/zteusbserial/below2.6.27/usb-serial.o] Error 1 make[1]: *** [_module_/usr/local/bin/ztemtApp/zteusbserial/below2.6.27] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-3.13.0-27-generic' make: *** [modules] Error 2 dpkg: error processing package crossplatformui (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: crossplatformui E: Sub-process /usr/bin/dpkg returned an error code (1) From then on whatever apt-get command I use(so far as I know, except apt-get update) I keep getting the above error at the end of the process. But whichever apt-get command I use does what it has to without fail.(For example I tried installing blender with sudo apt-get install blender and it installed fine though it showed the above error.) After this I even got a kernel update(from 3.13.0-27 to 3.13.0-29 via the Software Updater), but even now the issue persists. How do I solve this issue?

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• Plesk 9 - Client panel access via client domain, not server host name

  - by Ben

  I've setup a Plesk 9 vps recently. The plesk admin is accessible at, say, http://superawesomedomain.com:8443. I'm setting up a couple of client domains on the server. I'd like clients to be able to access plesk via a similar url, but instead it would be something like http://inferiorclientdomain.com:8443. This works ok in a sense, but it always redirect the request for inferiorclientdomain.com:8443 to superawesomedomain.com:8443. I'd like the control panel access url to remain on inferiorclientdomain.com. Is that possible? EDIT: System Info. Plesk 9.5.2 on CentOS 5 (Build 95100504.12)

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• Which AMI should I use as a base for a Django application?

  - by Edan Maor

  I'm starting development of a Django application, on Amazon's Web Services. I'm looking to build an instance that will serve the Django. I don't have much experience with such things, having only used a shared host before (WebFaction). So I'm wondering, which AMI should I use as a base? I'm assuming I want an Ubuntu AMI, possibly with certain things like Apache pre-installed? One minor point: I'm planning to serve several different Django projects from the same instance. I use virtualenv on my dev machine right now to separate the different projects, I'm assuming I'll do the same on EC2. Thanks!

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• Making simple forms in web applications

  - by levalex

  How do you work with forms in your web applications? I am not talking about RESTful applications, I don't want to build heavy front-end using frameworks like Backbone. For example, I need to add "contact us" form. I need to check data which was filled by user and tell him that his data was sent. Requirements: I want to use AJAX. I want to validate form on back-end side and don't want to duplicate the same code on front-end side. I have my own solution, but it doesn't satisfy me. I make an AJAX request with serialized data on form submit and get response. The next is checking "Content-type" header. html - It means that errors with filling form are exists and response html is form with error labels. - I will replace my form with response html. json and response.error_code == 0 - It means that form was successfully submited. - I will show user notification about success. json and response.error_code != 0 - Something was broken on back-end (like connection with database). other - I display the following message : We have been notified and have started to work with that problem. Please, try it later. The problem of that way is that I can't use it with forms that upload file. What is your practise? What libraries and principles do you use?

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• Dirt Cheap Bi-Directional Antenna Wirelessly Extends Your LAN

  - by Jason Fitzpatrick

  If you’re looking for an effective way to link remote LANs without the hassle of laying cable, this DIY bi-directional antenna is a quick (and cheap) method for bringing internet access to outbuildings and other locations. Tinker Danilo Larizza needed to share internet access between apartments that are relatively close together but not hardwired–ruling out simply sharing the access via existing LAN infrastructure. His solution combines a simple scrap wire antenna array mounted inside a plastic food bin (seen here with the cover removed to show the antenna) and some coaxial cable to link the antenna to two routers. Our favorite part about his build is that he constructed the pair to establish if the antenna setup would even work in his location and intended to buy commercial antennas if it did; his Tupperware models worked so well, however, they’re now the permanent solution. Hit up the link below for more information about the project. 2.4 Ghz Directive Biquad Antenna [via Hack A Day] How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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• Issues with non-HP harddisk in HP ML 350 server?

  - by Torben Warberg Rohde

  I'm looking to buy some extra disk space for a HP ML 350 G5 server. It is for simple file-serving - not OS/system stuff. HP harddisks are insanely expensive, so I'm tempted to buy some other brand instead. I have heard that they sometime use special firmware on their disks, but I suspect that might just be HP spreading rumors to sell disks. Does anyone have experience using non-HP disks? Any features not working, or not being able to build the RAID at all? I'm looking at 2.5" SAS Seagate drives - Constellation 500 GB (7.2k) or Savvio 600 GB (10k).

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• HP Rapid Deployment - Change Data Store Path

  - by David Carreyette

  I am running HP Rapid Deployment (Altiris eXpress Deployment Server 6.9 - Build 164) on an inherited Windows Server 2003 SP2. I need to change the Data Store Path as the default is pointing to the C: drive and there is not enough space there. I would like to set it to the D: drive where there is plenty of space. Reading the documentation: Data store path: Specifies the path to stored packages and files and other DS functions (such as license verification). The default path is C:\Program files\Altiris\express\Deployment Server. Note: Do not use this setting to change the path to the Deployment Share. Modifying this setting does not automatically allow you to use another shared directory other than the express share. To change the Deployment Share shared directory, run a Custom install to establish another location for the Deployment Share. Is there any other way I can change the path as I do not have the install media?

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• Apt-Get "sources.list needs at least 1 source-URI" error when building dependecies for Xen

  - by Entity_Razer

  What i'm trying to do is install Xen in a test environment, now I am trying to run the: apt-get build-dep xen-3.3 command, but it keep throwing a error which literally translated from dutch (installed the debian OS in Dutch) say's: E: your sourcelist (/etc/apt/sources.list) has to contain at least 1 source-URI I've googled it but I can't seem to find a definitive solid answer on how to fix this. By default a source-URI (read man page of apt-get) states it needs to be something along the lines of deb ftp://ftp.debian.org/debian stable contrib Now I've got 2 HTTP sources (default Debian ones) up & running so far and they've been working flawlessly for the better part of a few days now. Only now its starting to act up. Anyone able to help me out ? Much obliged !

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• Introduction to Oracle ADF

  - by Arda Eralp

  The Oracle Application Development Framework (Oracle ADF) is an end-to-end application framework that builds on Java Platform, Enterprise Edition (Java EE) standards and open-source technologies. You can use Oracle ADF to implement enterprise solutions that search, display, create, modify, and validate data using web, wireless, desktop, or web services interfaces. Because of its declarative nature, Oracle ADF simplifies and accelerates development by allowing users to focus on the logic of application creation rather than coding details. Used in tandem, Oracle JDeveloper 11g and Oracle ADF give you an environment that covers the full development lifecycle from design to deployment, with drag-and-drop data binding, visual UI design, and team development features built in. In line with community best practices, applications you build using the Fusion web technology stack achieve a clean separation of business logic, page navigation, and user interface by adhering to a model-view-controller architecture. MVC architecture: The model layer represents the data values related to the current page The view layer contains the UI pages used to view or modify that data The controller layer processes user input and determines page navigation The business service layer handles data access and encapsulates business logic Each ADF module fits in the Fusion web application architecture. The core module in the framework is ADF Model, a data binding facility. The ADF Model layer enables a unified approach to bind any user interface to any business service, without the need to write code. The other modules that make up a Fusion web application technology stack are: ADF Business Components, which simplifies building business services. ADF Faces rich client, which offers a rich library of AJAX-enabled UI components for web applications built with JavaServer Faces (JSF). ADF Controller, which integrates JSF with ADF Model. The ADF Controller extends the standard JSF controller by providing additional functionality, such as reusable task flows that pass control not only between JSF pages, but also between other activities, for instance method calls or other task flows.

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