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• How does EJIE, Basque Government's IT arm, uses Oracle WebLogic

  - by Ruma Sanyal

  Watch Mike Lehmann, Senior Director of Product Management from Oracle and Oscar Guadilla, Senior Architect from EJIE, Basque Government's IT Company, discuss EJIE's implementation of Oracle WebLogic Server. Hear EJIE's history with Oracle WebLogic Server, how and why they are using it for its web application platform, common services, file services, and intranet and the benefits they are gleaning. In addition, hear how EJIE is using WebLogic JMS for document management common service integration in its Eco-government project. While you are at it, since you are at our youtube channel (youtube.com/oracleweblogic) already, take a look at the various 'how to' videos Jeff West, Steve Button and others from our product management team have published here. Topics such as WebLogic Maven Plugin, TopLink Grid, How to Patch a WebLogic domain and much more are covered. Great way to spend some of your downtime during the holidays! :)   

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• After upgrading to 13.04 Unity interface is not showing

  - by ?????? ?????

  I've upgraded to Raring last night. The upgrade itself went okay, no errors. But when I rebooted the computer afterwards and logged in to my Unity session, all I could see was the Desktop background (together with Desktop icons), and no Unity interface. The Super button shortcut wasn't showing the Dash, there was no top panel etc. Please see the screenshot. As a hint, I'm suspecting it's got something to do with my switchable graphics. I'm running Ubuntu on Acer Aspire AS5830TG with nVidia GT540M and an Intel integrated card. In 12.10 I was using Bumblebee to manage the graphic card switching. During the upgrade I saw something related to nvidia had to be uninstalled, but didn't pay much attention to it. I can't be sure if it has anything to do with my problem though. What could possibly go wrong?

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• How can I change the wallpaper using a Python script?

  - by furtelwart

  I want to change my wallpaper in Ubuntu 11.10 (with Unity) in a small Python script. I found the possibility to change it via the gconf-editor in /desktop/gnome/background/picture_filename. With python-gconf, I'm able to change the necessary values. Apparently, the gconf string is not read out. If I change it (either via a script or via gconf-editor), the wallpaper remains and in the menu of "Change wallpaper", the old wallpaper is shown. How am I able to change the wallpaper for Unity via a Python script? The following code does work. Apparently, the gsettings are only applied, if some Gtk code is executed. #!/usr/bin/python # -*- coding: utf-8 -*- from gi.repository import Gtk, Gio class BackgroundChanger(): SCHEMA = 'org.gnome.desktop.background' KEY = 'picture-uri' def change_background(self, filename): gsettings = Gio.Settings.new(self.SCHEMA) print(gsettings.get_string(self.KEY)) print(gsettings.set_string(self.KEY, "file://" + filename)) Gtk.Window() print(gsettings.get_string(self.KEY)) if __name__ == "__main__": BackgroundChanger().change_background("/home/user/existing.jpg")

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• forked-daapd without avahi

  - by vixducis

  I'm trying to setup forked-daapd, but i'd prefer it if i could run it without avahi (or rather define my own avahi service instead of using the dbus api). The reason is that i want a netatalk share for my time machine backups and a samba share for the symbolic link support (netatalk doesn't support symlinks). Those two are defined as different services in avahi. To make that work, i have to disable avahi's dbus api, or else netatalk tends to take over all the services (osx prefers afp over smb). If I now try to start forked-daapd, it just doesn't. Forked-daapd requires avahi's dbus api to be enabled and running. Is there some sort of way around this limitation, so that i can manually define my own daap service in avahi. Maybe something like enabling but ignoring the dbus in avahi, or launching a duplicate avahi daemon with a different config file?

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• How to move to Java enterprise development after Python and Ruby?

  - by rdasxy

  I used to develop in Django/Python and Rails/Ruby (and before that C/C++ and C#), and I'm now at a job where we do enterprise Java development (Spring, Hibernate, RESTEasy, Maven, etc.) for web applications and web services. Coming from the Convention over Configuration world, what's the best way to get up to speed doing enterprise Java web services development? I know Java (the language) well, and I've written GUIs in Swing and basic JSP before, but nothing of the kind I'm doing now. Are there any recommended tutorials to get up to speed on popular Java enterprise development tutorials?

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• The Best Free RSS Readers for Keeping Up With Your Favorite Websites

  - by Lori Kaufman

  RSS stands for “Really Simple Syndication” or “Rich Site Summary.” It’s a document specification that allows you to easily collect and organize web-based news and information from websites. RSS reader applications allow you to follow your favorite websites without having to visit each one separately. For more information about RSS, see our article defining RSS and describing how you can benefit from using it. We’ve collected some links to good desktop and web-based, free RSS applications. 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• 50 Billion Served: Java Embedded on Devices

  - by Tori Wieldt

  It doesn't matter if it is 50 billion or 24 billion, just suffice it to stay that there will be MANY connected devices in the year 2020. With just 24 billion devices, they will outnumber humans six to one! So as a developer, you don't want to ignore this opportunity. What if you could use your Java skills and deploy an app to a fraction of these devices (don't be greedy, how about just, say, 118,000 of them)? Fareed Suliman, Java ME Product Manager had lots of good news for Java Developers in his presentation Modernizing the Explosion of Advanced Microcontrollers with Embedded Java at ARM TechCon in Santa Clara, CA last week. "A radical architecture shift is underway in this space, from proprietary to standards-based," he explained.  He pointed out several advantages to using Embedded Java for devices: Java is a proven and open standard. Java provides connectivity, encryption, location, and web services APIs. You don't have to focus on and keep reinventing the plumbing below the JVM. Abstracting the software from the hardware allows you to repeat your app across many devices. Abstracting the software from the hardware allows allows parallel development so you can get your app done more quickly. You already know Java (or you can hire lots of Java talent). Java is a full ecosystem, with Java Embedded plugins for IDEs like Eclipse and NetBeans. Java ME allows for in-field software upgrades. Suliman mentioned two ways developers can start using Java Embedded today:  Java ME Embedded Suite 7.0 Oracle Java Embedded Suite is a new packaged solution from Oracle (including Java DB, GlassFish for Embedded Suite, Jersey Web Services Framework, and Oracle Java SE Embedded 7 platform), created to provide value added services for collecting, managing, and transmitting data to embedded devices such as gateways and concentrators. Oracle Java ME Embedded 3.2 Oracle Java ME Embedded 3.2 is designed and optimized to meet the unique requirements of small embedded, low power devices such as micro-controllers and other resource-constrained hardware without screens or user interfaces. Think tiny. Really tiny. And think big.  Read more about Java Embedded at the Oracle Technology Network, and read The Java Source blog Java Embedded Releases from September.

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• Unity displays a black screen when connecting an external monitor

  - by Bragboy

  I upgraded my ubuntu from 10.10 to 11.04 and since that day I have been facing issues with Dual Monitor in Ubuntu. When I connect my second monitor during boot time, everything works fine. But when I use my laptop and try to connect a monitor when I am running Ubuntu, I face a weird black screen issue. To see what I mean, following is a screenshot of the same. Here are the problems that happen Desktop background goes away As you can see on the left hand side of the desktop, the right and top portions are black The usual buttons - power button, mail, volumne etc., on the top panel do not work as expected Plus it suddenly crashses at times. And a lot of n other issues associated with this. Is there any patch/release that has happened for these bugs or should I report it anywhere? Help needed.

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• Access Offline or Overloaded Webpages in Firefox

  - by Asian Angel

  What do you do when you really want to access a webpage only to find that it is either offline or overloaded from too much traffic? You can get access to the most recent cached version using the Resurrect Pages extension for Firefox. The Problem If you have ever encountered a website that has become overloaded and unavailable due to sudden popularity (i.e. Slashdot, Digg, etc.) then this is the result. No satisfaction to be had here… Resurrect Pages in Action Once you have installed the extension you can add the Toolbar Button if desired…it will give you the easiest access to Resurrect Pages. Or you can wait for a problem to occur when trying to access a particular website and have it appear as shown here. As you can see there is a very nice selection of cache services to choose from, therefore increasing your odds of accessing a copy of that webpage. If you would prefer to have the access attempt open in a new tab or window then you should definitely use the Toolbar Button. Clicking on the Toolbar Button will give you access to the popup window shown here…otherwise the access attempt will happen in the current tab. Here is the result for the website that we wanted to view using the Google Listing. Followed by the Google (text only) Listing. The results with the different services will depend on how recently the webpage was published/set up. View Older Versions of Currently Accessible Websites Just for fun we decided to try the extension out on the How-To Geek website to view an older version of the homepage. Using the Toolbar Button and clicking on The Internet Archive brought up the following page…we decided to try the Nov. 28, 2006 listing. As you can see things have really changed between 2006 and now…Resurrect Pages can be very useful for anyone who is interested in how websites across the web have grown and changed over the years. Conclusion If you encounter a webpage that is offline or overloaded by sudden popularity then the Resurrect Pages extension can help you get access to the information that you need using a cached version. Links Download the Resurrect Pages extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Remove Colors and Background Images in WebpagesGet Last Accessed File Time In Ubuntu LinuxCustomize the Reading Format for Webpages in FirefoxGet Access to 100+ URL Shortening Services in FirefoxAccess Cached Versions of Webpages When a Website is Down TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Enable or Disable the Task Manager Using TaskMgrED Explorer++ is a Worthy Windows Explorer Alternative Error Goblin Explains Windows Error Codes Twelve must-have Google Chrome plugins Cool Looking Skins for Windows Media Player 12 Move the Mouse Pointer With Your Face Movement Using eViacam

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• How do I avoid the "S to Skip" message on boot?

  - by Marty

  After upgrading my laptop from karmic to lucid, my fat32 partition won't mount automatically. I get the message: The disk drive for /osshare is not ready yet or not present Continue to wait; or Press S to skip mounting or M for manual recovery Funny thing is, if I skip, then /osshare/ is mounted once I log in. I've a similar setup on my desktop, and it works fine. Fstab on desktop: UUID=4663-6853 /osshare vfat utf8,umask=007,gid=46 0 1 /etc/fstab on laptop: UUID=1234-5678 /osshare vfat utf8,auto,rw,user 0 0

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• Problem with OpenGL or Unity, need Gnome fallback mode

  - by William Wind

  This question is in two parts, and I have been searching the web for days to find answers. With no luck I thought I'd drop by and ask for your help. Here goes: 1.) I'm running Ubuntu 13.04 and one day last week Unity suddenly wound't work. After the login screen, I was either faced with an all black and non-responsive screen, or sometimes it booted and I could see my desktop wallpaper (and add and remove icons/folders from the desktop). But there was no menu in the left hand side and no top bar :-( However I could still enter the terminal. I borrowed my dad's laptop and looked for a solution online. About two days later I gave up (I'm still kind of a n00b at Linux) and found a way to install Gnome Fallback, via the terminal. When I used it, I had the same problem. [clue #1] Missing menues. But if I rebooted into Gnome Fallback mode with no effects. It worked. Great! I have used that for some days now, while still trying to fix the original problem with either Unity or OpenGl or whatever went wrong in the first place. With no luck. After giving up on my search for a fix (I know that came out wrong) -- I decided to reinstall Ubuntu 13.04 from a CD. But! After that I was left where I began. When booting into my account, it only shows the desktop wallpaper and the icons. I can click and enter the folders, but not go into the menues. Last time I fixed it with Gnome Fallback mode, because I could enter the terminal and the PC was automatically online, via wireless network. But not this time, I can't get online. So: 1.) How do I via the LiveCD Ubuntu version (the one I'm using right now) install Gnome Fallback unto the harddrive based system? 2.) If impossible. How can I access the wireless Internet via the terminal, so I can install Gnome Fallback, from the "broken" Unity session. 3.) Is there any other things that I should try? Please help me, PS: My GFX-card is an ATI Radeon something and I have install and used the "Redwood" drive (I think its called) for many weeks prior to the shutdown.

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• Sync csv file using nodejs

  - by Amit Dugar

  There is a remote csv file that gets updated every second or so. I need to download it(on a Windows machine) ONCE and always sync local file with the remote one. Obviously, downloading the whole file every time is not an option. I need to download only the changes.(something like rsync, rdiff-backup) I searched quite a bit but could not find how I can do this. I am sort of new to nodejs and am using this app as an opportunity to expand my nodejs skills. Also, I am planning to use nodejs and to package it using node-webkit(https://github.com/rogerwang/node-webkit)

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• ORM Release History : Q1 2010 SP 1 (v2010.01.0527)

  Enhancements Full support for Visual Studio 2010 - the visual designer is now working in Visual Studio 2010 Ria Provider beta - supports all basic operations (query, insert, update, delete) New Enhancer - The enhancer has been replaced by a new implementation based on mono cecil. This fixes all known enhancer bugs and speeds up the enhancing process as well. Data Services Wizard integration - The Data Services Wizard is now integrated into the OpenAccess product. You can start it by using the...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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• My ubuntuone is broken, what is the problem?

  - by user6962

  I am on 10.10 and u1sdtool seems to be completely broken. I reinstalled it, no change. I can add my PC to the account, but it is added twice(!) every time I tried. So I have my netbook and two times my PC in the account. The netbook with 10.04 has no problems. Below is the error msg I get when attempting to startup Ubuntu One on the command line. desktop:~$ u1sdtool --status Oops, an error ocurred: Traceback (most recent call last): Failure: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. desktop:~$ Starting it from the Me Menu has the same effect, the HDD will get really busy for a minute and then nothing happens, the client will not start. Nothing in the syslog or anywhere.

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• How To Run Two Windows 8 Apps At the Same Time With the Snap Feature

  - by Chris Hoffman

  Windows 8’s Modern interface includes support for running two Windows 8 apps side-by-side. This feature, named “Snap,” isn’t explained in the tutorial – you’ll have to know it exists to make use of it. While the multitasking may be limited compared to Windows desktop multitasking, it’s more flexible than iPad and Android tablets, which can only have a single app on the screen at a time. Note: Snap only works on monitors that are at least 1366 pixels wide. 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8

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• how to make Chromium-browser start on vnc display?

  - by Oleksandr Dudchenko

  I have started Tightvncserver on Lubuntu 12.04 via the command $ tightvncserver -geometry 800x600 -depth 16 :2 VNC server successfully started and I got message like follows. New 'X' desktop is gateway:2 Starting applications specified in /home/dolv/.vnc/xstartup Log file is /home/dolv/.vnc/gateway:2.log Then I've successfully loged in from remote PC using realvncclient. Trying to start Chromium-browser from menu... no luck. There was one more attempt: I opened the LXTerminal from menu. Trying to start is from terminal with the command /usr/bim/chromium-browser & it returned the message like follows: Xlib: extention "RANDR" missing on desktop :2 I have also discovered that after my two attampts the chromium-browser has created 2 new windows on the host on which was session running on display :0 The Question: How to make the browser start on that display from which it was called (in my occasion from vnc session display)?

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• Viewfinity Aims to Ease Pain of PC Management

  Three new cloud-based services help small businesses handle computer management chores easily and affordably.

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• How would you design an application with many target platforms and devices?

  - by Pierre 303

  I'm in a very beginning of the design phase of an application that will have to run in the following platforms/devices: Desktop: Windows, Linux & Mac Mobile: Android, iPhone/iPad & Windows Phone 7 Web: Silverlight I will use C# on Mono and I want to maximize code re-usability. Except for the desktop (I'll use WinForms/GTK#), my concern is related to many different GUI that I will face. What would be your approach? Obviously, the views will be different, but what about the controllers, data access, utility classes, etc. Is it really acceptable to share everything but the views?

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• Why do we need REST service security if we have HTTPS

  - by Vangel

  I refer to this excellent article http://www.thebuzzmedia.com/designing-a-secure-rest-api-without-oauth-authentication/ which speaks of amazon like security for web service. However I was asked a question in the team of why do we need it if we already use HTTPS. I was unable to answer as it really seems to me they may be right although gut tells me otherwise. Also is there places when providing REST services where HTTPS may not work? Like 3rd party websites? If anyone has experience in securing Web Services over the public interwebs please shed some light with your experience. Thanks in advance. EDIT: To clarify I am not speaking of user authentication but more of client authentication. The user authentication can be assumed to be plain text over HTTPS+ REST. My worry is that this still allows anyone to use the web service without my client to access it since everything is plai text although over HTTPS the client end point can still use my web service without the client application.

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• how can i safely remove an external hard drive?

  - by Edmond Condillac

  Two of the three icons of the drive's partitions show on the desktop. One has disappeared and the contents are not accessible. Right clicking on the desktop icon of the partition gives the option to eject. Then the error message shows that the drive is busy and cannot be shut down. The drive is continually pinning. Kindly advise if possible how to safely remove the drive. Can the lost icon of the third drive and the datd contained in it be found, please? Kind regards

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• removing an ssrs instance from a scale-out deployment

  - by Alex Bransky

  If you're like me you had at one time connected one of your Reporting Services instances to a report server database that was already in use by another instance.  This allows the instance to show up in the Scale-out Deployment section of the Reporting Services Configuration Manager.  My problem was that the server that got joined to the original server was no longer available as it had been repurposed, and when I clicked Remove Server to remove it from my scale-out it would fail because it couldn't contact the server.  After searching for a solution for quite some time I decided to look around in the report server database tables, and voila!  All I had to do was remove the old server from the Keys table.  I can't guarantee there won't be any side effects to this method, but it worked like a charm for me.

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• netflix on ubuntu 12.04

  - by tsi25

  So I have got Ubuntu 12.04 on a system 76 lemur ultra laptop. I installed netflix via terminal with the following chain of commands: sudo apt-get update sudo apt-add-repository ppa:ehoover/compholio sudo apt-get update sudo apt-get install netflix-desktop when it was finished installing, I clicked the icon and something came up asking if you want to install some dependent software, but wouldn't let me interact with the window - so I hit tab and worked my way through that. But my computer shutdown before I could fully install GECKO. Now I have the netflix icon, but when i click it or right click it nothing happens. I had tried uninstalling it with the following commands, sudo apt-add --purge remove netflix-desktop and then reinstalling it but there's no change. does anyone know what I can do to get netflix to run from here? or what I can do to start troubleshooting? I searched around on AskUbuntu but couldn't find any answers to this specific problem.

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• Reading a ZFS USB drive with Mac OS X Mountain Lion

  - by Karim Berrah

  The problem: I'm using a MacBook, mainly with Solaris 11, but something with Mac OS X (ML). The only missing thing is that Mac OS X can't read my external ZFS based USB drive, where I store all my data. So, I decided to look for a solution. Possible solution: I decided to use VirtualBox with a Solaris 11 VM as a passthrough to my data. Here are the required steps: Installing a Solaris 11 VM Install VirtualBox on your Mac OS X, add the extension pack (needed for USB) Plug your ZFS based USB drive on your Mac, ignore it when asked to initialize it. Create a VM for Solaris (bridged network), and before installing it, create a USB filter (in the settings of your Vbox VM, go to Ports, then USB, then add a new USB filter from the attached device "grey usb-connector logo with green plus sign")  Install a Solaris 11 VM, boot it, and install the Guest addition check with "ifconfg -a" the IP address of your Solaris VM Creating a path to your ZFS USB drive In MacOS X, use the "Disk Utility" to unmount the USB attached drive, and unplug the USB device. Switch back to VirtualBox, select the top of the window where your Solaris 11 is running plug your ZFS USB drive, select "ignore" if Mac OS invite you to initialize the disk In the VirtualBox VM menu, go to "Devices" then "USB Devices" and select from the dropping menu your "USB device" Connection your Solaris VM to the USB drive Inside Solaris, you might now check that your device is accessible by using the "format" cli command If not, repeat previous steps Now, with root privilege, force a zpool import -f myusbdevicepoolname because this pool was created on another system check that you see your new pool with "zpool status" share your pool with NFS: share -F NFS /myusbdevicepoolname Accessing the USB ZFS drive from Mac OS X This is the easiest step: access an NFS share from mac OS Create a "ZFSdrive" folder on your MacOS desktop from a terminal under mac OS: mount -t nfs IPadressofMySoalrisVM:/myusbdevicepoolname  /Users/yourusername/Desktop/ZFSdrive et voila ! you might access your data, on a ZFS USB drive, directly from your Mountain Lion Desktop. You might play with the share rights in order to alter any read/write rights as needed. You might activate compression, encryption inside the Solaris 11 VM ...

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• How to take screenshot while a menu is open [closed]

  - by Anwar

  Possible Duplicate: How to take a screenshot of a whole desktop with app menu selection? I recently wanted to take a screen shot of a nautilus menu to provide an image to the answer of a nautilus related question. (I was looking for it). But when I opened up the menu and press the prtsrc key, nothing happened. I have also tried Shift+PrtSrc Key and Alt+PrtScr key. Result was the same. My question is : Is is not possible not take a screenshot while you have a menu open?. Is it bug or not? Note: To test this, just right-click on the desktop, and press prtsrc key.

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• What is .NET RIA Service

  Microsoft WCF RIA Services simplifies the traditional n-tier application pattern by bringing together the ASP.NET and Silverlight platforms.

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