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• OTN Virtual Developer Day: WebLogic and Coherence

  - by Tori Wieldt

  Who: Java Developers What: This OTN Virtual Developer Day will guide you through tooling and best practices around developing applications with WebLogic and Coherence. You'll also explore ways to improve your your build, deploy, and ongoing management processes in your application's life cycle. When: Tuesday, November 5, 9am to 1pm PDT / 12pm to 4pm EDT / 1pm to 5pm BRT Where: Your Desk Why: Many Java developers utilize open source and/or free tooling to develop their projects, but ultimately deploy production applications to commercial, mission-critical application servers. There are sessions utilizing common developer tools such as Eclipse, Maven, Chef, and Puppet to create, deploy and manage applications with WebLogic Server and Coherence as target platforms. Don't miss the session Exploring ADF 12C and Java EE Development in Eclipse. Register now, it's free!  

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• How to poll a file in /sys

  - by Bjoern

  Hi, I am stuck reading a file in /sys/ which contains the light intensity in Lux of the ambient light sensor on my Nokia N900 phone. See thread on talk.maemo.org here I tried to use pyinotify to poll the file but this looks some kind of wrong to me since the file is alway "process_IN_OPEN", "process_IN_ACCESS" and "process_IN_CLOSE_NOWRITE" I basically want to get the changes ASAP and if something changed trigger an event, execute a class... Here's the code I tried, which works, but not as I expected (I was hoping for process_IN_MODIFY to be triggered): #!/usr/bin/env python # -*- coding: utf-8 -*- # import os, time, pyinotify import pyinotify ambient_sensor = '/sys/class/i2c-adapter/i2c-2/2-0029/lux' wm = pyinotify.WatchManager() # Watch Manager mask = pyinotify.ALL_EVENTS def action(self, the_event): value = open(the_event.pathname, 'r').read().strip() return value class EventHandler(pyinotify.ProcessEvent): def process_IN_ACCESS(self, event): print "ACCESS event:", action(self, event) def process_IN_ATTRIB(self, event): print "ATTRIB event:", action(self, event) def process_IN_CLOSE_NOWRITE(self, event): print "CLOSE_NOWRITE event:", action(self, event) def process_IN_CLOSE_WRITE(self, event): print "CLOSE_WRITE event:", action(self, event) def process_IN_CREATE(self, event): print "CREATE event:", action(self, event) def process_IN_DELETE(self, event): print "DELETE event:", action(self, event) def process_IN_MODIFY(self, event): print "MODIFY event:", action(self, event) def process_IN_OPEN(self, event): print "OPEN event:", action(self, event) #log.setLevel(10) notifier = pyinotify.ThreadedNotifier(wm, EventHandler()) notifier.start() wdd = wm.add_watch(ambient_sensor, mask) wdd time.sleep(5) notifier.stop() Thanks for any hints, suggestions and examples Kind regards Bjoern

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• Brand New Oracle WebLogic 12c Online Launch Event, December 1, 10am PT

  - by B Shashikumar

  The brand new WebLogic 12c will be launched on December 1st with a 2-hour global webcast highlighting salient capabilities and benefits and featuring Hasan Rizvi, SVP, Oracle Fusion Middleware and Java. For the more techie types, the 2nd hour will be a developer focused discussion including multiple demos and live Q&A. Please join us, with your fellow IT managers, architects, and developers, to hear how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder   

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• Annotation Processing Virtual Mini-Track at JavaOne 2012

  - by darcy

  Putting together the list of JavaOne talks I'm interested in attending, I noticed there is a virtual mini-track on annotation processing and related technology this year, with a combination of bofs, sessions, and a hands-on-lab: Monday Multidevice Content Display and a Smart Use of Annotation Processing, Dimitri BAELI and Gilles Di Guglielmo Tuesday Advanced Annotation Processing with JSR 269, Jaroslav Tulach Build Your Own Type System for Fun and Profit, Werner Dietl and Michael Ernst Wednesday Annotations and Annotation Processing: What’s New in JDK 8?, Joel Borggrén-Franck Thursday Hack into Your Compiler!, Jaroslav Tulach Writing Annotation Processors to Aid Your Development Process, Ian Robertson As the lead engineer on bot apt (rest in peace) in JDK 5 and JSR 269 in JDK 6, I'd be heartened to see greater adoption and use of annotation processing by Java developers.

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• Developer Day - Hands-on Oracle 11g Applications Developmen

  - by [email protected]

  Developer Day - Hands-on Oracle 11g Applications DevelopmentSpend a day with us learning the key tools, frameworks, techniques, and best practices for building database-backed applications. Gain hands-on experience developing database-backed applications with innovative and performance-enhancing methods. Meet, learn from, and network with Oracle database application development experts and your peers. Get a chance to win a Flip video camera and Oracle prizes, and enjoy post-event benefits such as advanced lab content downloads.Bring your own laptop (Windows, Linux, or Mac with minimum 2Gb RAM) and take away scripts, labs, and applications*.Space is limited. "Register Now"  for this FREE event. Don't miss your exclusive opportunity to meet with Oracle application development & database experts, win Oracle Trainings, and discuss today's most vital application development topics.Information how to register soon.

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• Access secondary hard disk from Virtual Machine

  - by Frank V

  I have a fairly specific question. I had Ubuntu on my Laptop (for years). For a variety of reasons, I've had to switch to Windows but the computer has two hard drives. The main drive was reformatted and I've installed windows. The second hard drive still has the Linux system disk format (not sure on type). Obviously, windows can't access it but can I access it from a Virtual machine (VirtualBox) or will I need to load up a Live-Session to access / move the contents? Edit: If this is possible, how would one proceed to mount the disk?

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• Weblogic Virtual Developer Day Reminder - Feb 1 @ 9:30am PT

  - by Cassandra Clark

  Don't forget to register and attend the next Oracle Technology Network Virtual Developer Day- Weblogic Server tomorrow starting at 9:30 am PST. Learn how Oracle WebLogic Server enables a whole new level of productivity for enterprise developers. Also hear the latest on Java EE 6 and the programming tenets that have made it a true platform breakthrough, with new programming paradigms, persistence strategies, and more: * Convention over configuration - minimal XML * Leaner and meaner API - and one that is an open standard * POJO model - managed beans for testable components * Annotation-based programming model - decorate and inject * Reduce or eliminate need for deployment descriptors * Traditional API for advanced users We will have three live events - N. America - Tuesday, Feb 1, 2011 09:30 a.m. - 1:30 p.m. US Pacific TIme Register Europe / Russia - February 10, 2011 9:30 a.m. UK Time / 10:30 a.m. CET Register India - February 17, 2011 9:30 a.m. India time Register

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• Cuda GeForce GT 555m (on Ubuntu 12.04 (Virtual Box))

  - by bobby

  I am running Ubuntu 12.04 in a Virtual Box as guest OS. Today I have tried to enable all functions of my graphic card under Ubuntu. But all my efforts were off the mark... because my experience with Linux is relatively small... I have tried the procedure which is described as in http://sn0v.wordpress.com/2012/05/11/installing-cuda-on-ubuntu-12-04/. Running the cuda-filepack always lead to an error like "installing driver canceled". Then I have tried to install the Bumblebee project. But I always get the error that the bumblebee daemon is not started. After some internet research I found a test-command lspci -nn | grep '[030[02]]' which results in 00:02.0 VGA compatible controller [0300]: InnoTek ... [80ee:beef] I've been trying to activate the card you for hours without success. Could you please give me some hints how to activate CUDA? Kind regards

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• Brand New Oracle WebLogic 12c Online Launch Event, December 1st, 18:00 GMT

  - by swalker

  The brand new WebLogic 12c will be released on December 1st 2011. Please join Hasan Rizvi on December 1, as he unveils the next generation of the industry’s #1 application server and cornerstone of Oracle’s cloud application foundation—Oracle WebLogic Server 12c. Hear, with your fellow IT managers, architects, and developers, how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Optimized to run your solutions for Java Platform, Enterprise Edition (Java EE); Oracle Fusion Middleware; and Oracle Fusion Applications Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder Don’t miss this online launch event on December 1st, 18:00 GMT. Register Now For regular information become a member of the WebLogic Partner Community please register at http://www.oracle.com/partners/goto/wls-emea

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• Prosit Neujahr, auf ein schönes und erfolgreiches Jahr 2011!

  - by A&C Redaktion

  Wir hoffen, Sie sind gut im neuen Jahr angekommen und wünschen Ihnen für 2011 alles Gute, Gesundheit und natürlich ein erfolgreiches Geschäftsjahr!Hinter Oracle Alliances & Channels liegt ein Jahr voller Herausforderungen und wir freuen uns darauf, 2011 an die gute und vertrauensvolle Zusammenarbeit mit unseren Partnern anzuknüpfen. Im Januar starten wir gleich mit einem großen Partner-Event ins neue Jahr, demOPN Day Virtual am 24. Januar 2011Von 14 bis 17 Uhr dreht sich dort alles um die Spezialisierung: Von den ersten Schritten, über den Nutzen bis hin zu Erfahrungsberichten einzelner Partner wird das OPN Specialized von allen Seiten beleuchtet. Zum Fragenstellen laden die Q&A-Sessions ein, beliebt ist außerdem die Networking Lounge, in der sich Partner und Interessierte individuell austauschen und vernetzen können.Was sonst noch passiert, im Jahr 2011, das steht laufend aktualisiert im Oracle Channel Event Calender.

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• Brand New Oracle WebLogic 12c Online Launch Event, December 1, 10am PT

  - by Ruma Sanyal

  The brand new WebLogic 12c will be launched on December 1st with a 2-hour global webcast highlighting salient capabilities and benefits and featuring Hasan Rizvi, SVP, Fusion Middleware and Java. For the more techie types, the 2nd hour will be a developer focused discussion including multiple demos and live Q&A. Please join us, with your fellow IT managers, architects, and developers, to hear how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder

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• Brand New Oracle WebLogic 12c Online Launch Event, December 1, 10am PT

  - by Ruma Sanyal

  The brand new WebLogic 12c will be launched on December 1st with a 2-hour global webcast highlighting salient capabilities and benefits and featuring Hasan Rizvi, SVP, Fusion Middleware and Java. For the more techie types, the 2nd hour will be a developer focused discussion including multiple demos and live Q&A. Please join us, with your fellow IT managers, architects, and developers, to hear how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder

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• What is wrong with the JavaScript event handling in this example? (Using click() and hover() jQuery

  - by Bungle

  I'm working on a sort of proof-of-concept for a project that approximates Firebug's inspector tool. For more details, please see this related question. Here is the example page. I've only tested it in Firefox: http://troy.onespot.com/static/highlight.html The idea is that, when you're mousing over any element that can contain text, it should "highlight" with a light gray background to indicate the boundaries of that element. When you then click on the element, it should alert() a CSS selector that matches it. This is somewhat working in the example linked above. However, there's one fundamental problem. When mousing over from the top of the page to the bottom, it will pick up the paragraphs, <h1> element, etc. But, it doesn't get the <div>s that encompass those paragraphs. However, for example, if you "sneak up" on the <div> that contains the two paragraphs "The area was settled..." and "Austin was selected..." from the left - tracing down the left edge of the page and entering the <div> just between the two paragraphs (see this screenshot) - then it is picked up. I assume this has something to do with the fact that I haven't attached an event handler to the <body> element (where you're entering the <div> from if you enter from the left), but I have attached handlers to the <p>s (where you're entering from if you come from the top or bottom). There are also other issues with mousing in and out elements - background colors that "stick" and the like - that I think are also related. As indicated in the related question posted above, I suspect there is something about event bubbling that I don't understand that is causing unexpected behavior. Can anyone spot what's wrong with my code? Thanks in advance for any help!

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• while upgrading a virtual machine do I need to install a bootloader

  - by Bond

  I have a virtualization server which is having a few virtual machines running at top of it. All this was done using Ubuntu server edition with KVM and using virt-manager on SSH connection. These VMs are Lucid 10.04 64 bit Vms. When I upgrade them via apt-get upgrade on an SSH connection in between the ncurses screen, it asks me if it should install a bootloader and to select Yes or No for it. I have no clue what should I select here and I cancel the upgrade.Since it is a production machine I can not specify any thing like this. So let me know what will be a correct.

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• Who are good suppliers of .NET 4 Hosted Virtual Private Servers ? (May 2010)

  - by Nick Haslam

  I'm looking for a supplier for hosting a Virtual server, running Windows Server 2008 (R2 ideally) and .NET 4 to run an internet facing ASP.NET web application. I'd also like to be able to remote desktop onto it, and install other apps as necessary, including other websites as and when. I'm based in the UK, so a UK based supplier would be great. I was looking at Fasthosts, but having researched them a bit more, they look like a bad idea.

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• How to correctly create a virtual file system?

  - by Paul

  A task in my homework assignment asks me to create a virtual file system, mount it, and perform some operations on it. I am supposed to create a file of 10 MB whose bits are all set to 0, format it as ext3 and mount it. This is how I've done that: dd if=/dev/zero of=~/filesyst bs=10485760 count=1 sudo mkfs.ext3 ~/filesyst sudo mount –o loop ~/filesyst /media/fuse Even though I've used /dev/sero, the file i still full of gibberish characters (mostly at-signs). The permissions on /media/fuse are drw-rw-rw- (which are alright), but the permissions on the files inside it are something like this: d????????? ? ? ? ? ? lost+found -????????? ? ? ? ? ? secret_bin Where have I gone wrong?

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• Possible to take a snapshot of a hard disc and use it in a Virtual Machine?

  - by roadadadl

  Hi, A bit of a silly question really - but I was wondering would it be possible to take a snapshot of a OS you are running on a computer, the convert it or so it can be run as a virtual machine in VMware or Vitual Box? Thanks!

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• OTN Virtual Developer Day: Oracle Fusion Development

  - by Robert Baumgartner

  Am 11. Dezember 2012 findet der nächste Virtual Developer Day: Oracle Fusion Development statt.Es finden 4 verschiedene Tracks (inkl. Hands-On-labs) zu den Themen Ist die Entwicklung mit Oracle ADF schnellerund einfacher als mit Forms, Apex oder .NET? Mobile Application Development mit ADF Mobile Oracle ADF Entwicklung mit Eclipse Oracle WebCenter Portal und ADF Development Building Process Centric Anwendungen mit ADF und BPM Oracle Business Intelligence und ADF Integration Live Q&A Chat mit Oracle Mitarbeitern statt. Die Hands-On-Sessions werden auf einem VirtualBox System durchgeführt. Nähers siehe Agenda und Registrierung.

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• Reminder: WebLogic Global, Virtual Developer Day November 5

  - by jeckels

  Just a quick reminder about the FREE virtual developer day focused on WebLogic (and Coherence) coming on November 5th. This day, with content tailored for developers, will guide you through tooling updates and best practices around creating applications with WebLogic and Coherence as target platforms. We'll also explore advances in how you can manage your build, deploy and ongoing management processes to streamline your application's life cycle. And of course, we'll conclude with some hands-on labs that ensure this isn't all a bunch of made-up stuff - get your hands dirty in the code!November 5, 20139am PT/12pm ETREGISTER NOW We're offering two tracks for your attendance, though of course you're free to attend any session you wish. The first will be for pure developers with sessions around developing for WebLogic with HTML5, processing live events with Coherence, and looking at development tooling. The second is for developers who are involved in the building and management processes as part of the application life cycle. These sessions focus on using Maven for builds, using Chef and Puppet for configuration and more.We look forward to seeing you there - don't forget to invite a friend!

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• Next Week - OTN Virtual Developer Day - Fusion Development Experience

  - by Shay Shmeltzer

  Don't miss your chance to get free training on Oracle's strategic development platform including Oracle ADF and the rest of Fusion Middleware. On July 10th, we are running a virtual developer conference that you can attend directly from your desktop. We have sessions covering everything from basic ADF topics such as the Controller and ADF Faces to sessions about the latest news in the ADF world including ADF development with Eclipse using OEPE and ADF Mobile for iPhone and Android development. A special track will expose you to ADF connection to the rest of FMW including BPM, WebCenter and BI. During the sessions you'll be able to chat with the presenters, and you can also do a hands-on lab. So sign up today and join us on Tuesday.

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• WebLogic Server 12c Launch Event - 1 December 2011

  - by Chuck Speaks

  Introducing Oracle WebLogic Server 12c, the #1 Application Server Across Conventional and Cloud Environments Please join Hasan Rizvi on December 1, as he unveils the next generation of the industry’s #1 application server and cornerstone of Oracle’s cloud application foundation—Oracle WebLogic Server 12c. Hear, with your fellow IT managers, architects, and developers, how the new release of Oracle WebLogic Server is: Designed to help you seamlessly move into the public or private cloud with an open, standards-based platform Built to drive higher value for your current infrastructure and significantly reduce development time and cost Optimized to run your solutions for Java Platform, Enterprise Edition (Java EE); Oracle Fusion Middleware; and Oracle Fusion Applications Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’s Active GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder Don't miss this online launch event. Register now.

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• Google Analytics goal funnel does not recognize virtual page views

  - by Webber Smith

  I have a setup wizard with 3 steps. Since I'm using AJAX each step uses a virtual pageview with an appropriate URL for each step (see below). The pageviews are being recorded in the Content section of Google Analytics but the Goal Funnel still shows zero for each step. I've tried advise on other forums such as... Make sure Goal URL is set to Exact match Make sure no steps or the Goal URL are a parent directory of any other steps. For example, don't track /wizard/ as a Goal/step and track /wizard/step2/. Not sure why this would be a problem since it is an exact match, but it shouldn't hurt so I tried it... Require (or don't require - tried both) the first step in the funnel ...but none of these seem to work. Thoughts? Goal Settings Exact match : "/wizard/setup-complete/" Funnel Step 1 : "/wizard/step1/" Step 2 : "/wizard/step2/" Step 3 : "/wizard/step3/"

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• REGISTER TODAY: Oracle Linux and Oracle VM Virtual SysAdmin Day- July 15

  - by Zeynep Koch

  Are you just starting on Oracle Linux or do you still feel you are missing some knowledge on how to configure, install or patch your Oracle Linux? If you answered yes, this event for you. This is our second virtual sysadmin day for Oracle Linux and it had been hugely popular in the past. This is a hands-on experience for all those Sysadmins that are looking for a great training without leaving their office or home. You will learn to: Install Oracle Linux using RPM and yum repositories; create storage volumes, prepare block devices, work with filesystems Create and mount Btrfs in Oracle Linux, work with block devices and snapshots Come and join us on July 15, 9am-12pm Pacific Time for an informative and interactive session. See more details and register 

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• Tracking a goal through a virtual pageview is not registering

  - by Will

  I am trying to track a goal in Google Analytics through a virtual pageview. As you can see in the code example, it is linking out from a picture instead of text with a link. I triple-checked to see if I had my Goals set up properly in the Admin panel, where the goal URL is set to "/click2", the goal type is URL destination and the match type is Head Match. I am unsure if the problem lies in the fact that it's linking out to an "https" link or if the link is attached to a picture that serves as a Call To Action. I would appreciate if any of you can help shed some light on this problem I'm having.

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• C++ compiler structures such as Virtual method Table etc

  - by Roger

  I am aware of the C++ Virtual Table which allows dynamic dispatch for doing things at runtime (although if I am honest I am not completely sure of the full list of things it achieves). I am wondering what other "low level" aspects of C++ are there, which one doesnt usually come across when learning the C++ language? Things like: -How is multithreading and locking on objects performed? -Overloading/overwriting functions -Generics Are there other "structures", similar to the vtable, which assist with these types of things on a lower level? (and if anyone can help with what the VTable actually does it would be most appreciated!)

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