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• Java : Oracle publie d'urgence des correctifs contre le bogue des nombres à virgule flottante

  Java : Oracle publie d'urgence des correctifs contre le bogue des nombres à virgule flottante Mise à jour du 10/02/11, par Hinault Romaric Oracle vient de publier en urgence des correctifs pour le bogue des nombres à virgule flottante dans Java. Ce bogue entraine le blocage du Runtine Java lorsque celui-ci convertit le nombre 2.2250738585072012e-308 en binaire à virgule flottante. Un bogue qui peut-être exploité à distance sans authentification. L'exploitation de cette faille peut entrainer le blocage ou le crash du Runtine Java et permettre les attaques par Déni de Service. Les applications et s...

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• 5 Reasons to Upgrade to WebLogic Server 11g

  - by ruma.sanyal

  Do you want to optimize your middleware performance and manageability? Are you looking to modernize your IT infrastructure and lower your total cost of ownership? Don't miss this upcoming Webcast to learn five reasons why you should switch to Oracle WebLogic Server 11g. Mike Lehmann, Senior Director of Product Management for Oracle WebLogic Server, will share best practices and helpful tips for a fast, low-risk upgrade. You will also learn how your company can leverage the optimal support, rich capabilities, and extensive options in Oracle WebLogic Server 11g to: Diagnose and fix performance issues Improve data center utilization and density Shorten application release cycles Run applications in a shared services infrastructure Manage heterogeneous infrastructures Register for this complimentary Webcast.

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• Sending files via HTTP to web service

  - by Serguei Fedorov

  I am bit frustrated at the lack of information about this online. Here is the issue: I am in charge of creating a iOS application which sends sound data back and forth between the server and the app. The Audio is in small files and thus does not need to be streamed over, but rather it can be sent. Right now, I am using a TCP server I wrote to handle applications like this. However, I want to keep the system as simple as possible and writing your own server and client sockets can get a bit complex and leaves room for crashes. Overall it slows down development because I need to account for packet structure and other things. My question is, can I write an ASPX or PHP web service that lets me pass the files back and forth through GET or POST?

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• New Pluralsight app for Android will bring variable speed

  Usually, it is very interesting to compare the 'same' software applications and apps between various platforms, and the Pluralsight offline players are an outstanding example to have a closer look at. The original Silverlight desktop offline player, the iOS app of Pluralsight and the new HTML5 online player all have variable playback speed. Just the Android app doesn't. But not for long. A couple of days Pluralsight finally announced that their development department found a reliable solution to provide flexible speeds. For the brave ones among us, please have a look at the public beta they are offering on their blog article.  Please be aware of, that using any Pluralsight offline player requires to have a Plus subscription. Otherwise, you cannot use the application after all.

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• Good application for taking notes on 12.04?

  - by Ankit

  Is there a good note taking application in ubuntu like Evernote exists for windows and Mac users. Requirements for good applications:- A thumbnail/list preview for all the created notes. An integration with the email address so that we can view the notes anywhere anytime. Any easy way to input text, video, pdf, images etc. I have tried tomboy, basket notes. They aren't that good. Edit: Trying to install nevernote from an external source. But it has not satisfiable Further trying to install libssl gives the following error The following information may help to resolve the situation: The following packages have unmet dependencies: libssreflect-coq : Depends: coq-8.3pl3+3.12.1 but it is not installable libssreflect-ocaml : Depends: libcoq-ocaml-4zyg6 but it is not installable libssreflect-ocaml-dev : Depends: libcoq-ocaml-dev-4zyg6 but it is not installable E: Unable to correct problems, you have held broken packages. Anything that I might be doing wrong?

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• How can I backup my PPAs?

  - by Scaine

  Related to this question. But my concern is that over the past year, most of my more interesting (or used) applications are from PPAs, and just backing up my sources list won't add the associated launchpad keys the way that add-apt-repository does. So I'm looking for a way to list all the PPA urls (like ppa:chromium-daily/stable) so that I can easily script a series of add-apt-repository commands to add them into a new installation gracefully. Short of dumping my bash history of course. Which might be feasible, depending on how far back that file goes back?

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• Root access issues - how do others manage this?

  - by Ciaran Archer

  Hi there I use my Ubuntu 10.04 LTS instance (via Virtual Box on Windows 7) with a non-root user. I am trying out developing Rails applications and I notice that I need to run some rails commands with sudo. The problem this gives me is some files are created by the root user then, and I cannot edit them via a GNOME window with my logged in user. What is the correct thing to do here? Should I somehow always login as root? If so how? Is there some way for me to give all files under my home directory (where I do all my Rails work) the correct permissions for all users, so I can edit them with my logged in user via a window? At the moment I have to resort to opening a file via the command line like this sudo gedit myFile.rb - this is not very sustainable! Thanks in advance!

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• WP7 Developers at Washington University

  - by Scott Spradlin

  This is Easter weekend, and the end of the school year is looming closer! Our developer sessions at WashU end today. Students will turn their spare time focus to finals and getting home for the summer. Over this short course of time, we’ve had a bit over 50 students show some level of interest in developing apps for Windows Phone. Currently the total apps submitted by students is approaching about 20. Several students have received new phones as part of their agreement to submit applications.

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• MEF to the rescue in Task-it

  One of the frameworks that I chose to leverage in the development of my Silverlight 4 Task-It application is MEF, the Managed Extensibility Framework. Actually, that decision came while I was at a Silverlight Deep Dive session on the Microsoft campus in Redmond, WA, and came at the recommendation of John Papa (Microsoft Silverlight Evangelist) and Glenn Block (the MEF Maniac). If you are not familiar with MEF, its primary function is to provide a framework for extensibility in Silverlight applications, however, what I found is that MEF's capabilities go beyond just this. As a matter of fact, Microsoft announced at MIX this week that its new Silverlight Analytics Framework would use MEF for composition. You can read about Telerik's support for this new framework here: Telerik is First to Announce Support for Microsoft Silverlight Analytics Framework MEF used to be just one of many frameworks out there that could ...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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• Audio playback: part of song is skipped

  - by Homulvas

  I am experiencing some problems with music playback after upgrading to Ubuntu 12.10. Basically some of the songs stop playing after some time as if the song has ended. It's always the same songs and the same time. The weird thing that it happens with Clementine and Totem but VLC doesn't have this problem and it also plays as it should on Windows. I'm guessing there might be a problem with some library that's shared with by the first two applications. I don't know if it's relevant but the file format of the audio files is flac(don't know if the problem affects mp3, because I don't have many of them).

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• How do you forcibly unmount a disk when you press the eject button on an optical drive?

  - by Michael Curran

  When upgrading my hardware, I also upgraded to Ubuntu 10.10. On my previous system (with 10.04 and earlier) when I ejected a disk from the optical drive, the subfolder in the /media directory was automatically removed. In my new 10.10 system, if I don't eject the disk using the "eject" command within the system, the disk remains mounted, even after a new disk is installed. The new drive is a Blu Ray drive, but I haven't noticed any other problems from it. Normally, this isn't a problem, but it makes installing applications that are spread over multiple CDs more difficult in many cases (i.e. Wine). Any advice?

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• Is Silverlight only for eye-candy, or does it have a use in business?

  - by Cyberherbalist

  Granted that Silverlight may make eye-popping websites of great beauty, is there any justification for using it to make practical web applications that have serious business purposes? I'd like to use it (to learn it) for a new assignment I have, which is to build a web-based application that keeps track of the data interfaces used in our organization, but I'm not sure how to justify it, even to myself. Any thoughts on this? If I can't justify it then I will have to build the app using the same old tired straight ASP.NET approach I've used (it seems) a hundred times already.

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• Unified Communications Suite Ships New Version

  - by joesciallo

  We shipped the latest version (7.0.5.0.0) of Unified Communications Suite. The following information should get you started: Get the Software New Features Release Notes Some Changes for 7.0.5.0.0 Convergence: Version 3.0.0.0.0 enables you to use the add-on framework to add third-party services to the Convergence UI. These services include: Advertising Click-to-call service Multinetwork IM SMS (both one-way and two-way) Social media applications (Facebook, Twitter, and Flickr) Video and voice calling capability For more information, see Overview of Add-on Services in Convergence. Calendar Server: Version 7.0.4.14.0 provides a number of security enhancements, including supporting the SSL protocol for all front-end and back-end communications, and the ability to list hosts that are allowed to send iSchedule POST requests. For more information, see Securing Communications to Calendar Server Back Ends. New Platform Support: Oracle GlassFish Server 3, Oracle Solaris 11, and Oracle Enterprise Linux 6.x are supported in this release of Communications Suite.

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• Upgrading 8.10 server to LTS

  - by user3215

  I'm in a plan to upgrade ubuntu 8.10 vbox vm servers to LTS(obviously 10.04) as 8.10 has no support. As far as I know I'll be executing the following to upgrade: apt-get install update-manager-core do-release-upgrade anybody could tell me how could I upgrade a ubuntu server from alternate iso image(Is the alternate iso image used for desktop editons the same used for servers?)? I heard it's possible to upgrade an LTS directly to another LTS and how could I do this after upgrading 8.10 to 9.04 then directly to 10.04 skipping 9.10? 8.10 servers are hosting many services/applications/databases like apache2, tomcat6, ldap, mysql, cvs... and I'm not sure that all of them work as ever after the upgrade. If there is any precautions that I've to following before upgrading, please anyone let me know(ofcourse backup and I'm not going to take backup as I will be trying this on a copy of vdi/vmdk vms) Thanks!

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• Friday Spotlight: Oracle Secure Global Desktop and amitego VISULOX

  - by Chris Kawalek

  Happy Friday! Our spotlight this week is a screencast about a fantastic solution that takes the security model of Oracle Secure Global Desktop and adds even more features. If you work in environments where you need to have a video record of users' interactions with applications, or need to ensure that two users can remotely work on the same session (a worker entering data in a form from one workstation and a manager typing an authorization code from another, for example), amitego VISULOX can do this and a lot more. It's built on top of Oracle Secure Global Desktop, so you get all of the great features there, plus additional unique security related features provided by VISULOX. Click the thumbnail below to watch the screencast. We'll see you next week! -Chris 

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• Management Software in Java for Networked Bus Systems

  - by Geertjan

  Telemotive AG develops complex networked bus systems such as Ethernet, MOST, CAN, FlexRay, LIN and Bluetooth as well as in-house product developments in infotainment, entertainment, and telematics related to driver assistance, connectivity, diagnosis, and e-mobility. Devices such as those developed by Telemotive typically come with management software, so that the device can be configured. (Just like an internet router comes with management software too.) The blue AdmiraL is a development and analysis device for the APIX (Automotive Pixel Link) technology. Here is its management tool: The blue PiraT is an optimised multi-data logger, developed by Telemotive specifically for the automotive industry. With the blue PiraT the communication of bus systems and control units are monitored and relevant data can be recorded very precisely. And here is how the tool is managed: Both applications are created in Java and, as clearly indicated in many ways in the screenshots above, are based on the NetBeans Platform. More details can be found on the Telemotive site.

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• Changing the default program for an application

  - by mohamad

  I have installed MonoDevelop and after that Wine, but when I want to open an EXE file and then double click on it, it always runs with the Mono runtime, and if I want to run it with Wine, I should right click on it and choose Wine. Well, in properties and in Open With there isn't Wine that choose it for the default application... I have this problem for all types of applications and files. When the software you want to run is in the right click application (Open With), I can't choose it in properties for the default. In fact, I can't find it in properties, because it is in open with option in right click... What should I do to fix this problem? I'm running Ubuntu 12.10 (Quantal Quetzal), 32 bit.

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• SkyDrive : Microsoft publie des SDK pour le Framework .NET et Windows Phone 8

  SkyDrive : Microsoft publie des SDK pour le Framework .NET et Windows Phone 8 Microsoft vient de publier de nouveaux SDK pour SkyDrive. Les kits de développement (SDK) pour SkyDrive vont permettre aux développeurs de créer des applications riches qui consomment ou enregistrent des données sur la plateforme d'hébergement Cloud de Microsoft. [IMG]http://rdonfack.developpez.com/images/logoskydrive.png[/IMG] Les SDK pour SkyDrive sont disponibles en deux versions. Une version pour le Framework .NET et une version pour Windows Phone 8. La version pour le Framework .NET est disponible en deux déclinaisons : Serveur...

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• I upgraded my ubuntu server from 13.04 to 13.10 Bugs I faced

  - by kirankumar kotari

  On upgrade from 13.04 to 13.10 my system is hanged. So after waiting for 30 min. I tried to restart. Some file are corrupted. I inserted my 13.04 disk and started in rescue mode. Finally My system started Then, I upgraded some apps again. Now my system upgraded to 13.10. Finally Done. But, Now the bugs raised. On my start key I got only my online services. No other applications, recently used, music, video icons are not showing. I am facing huge problem. I am unable to see my application what i installed. I checked in unity tweak tool all are fine. So, I ask any one to solve this issue.

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• Integrated ads in phone apps - how to avoid wasting battery?

  - by Jarede

  Considering the PCWorld review that came out in March: Free Android Apps Packed with Ads are Major Battery Drains ...Researchers from Purdue University in collaboration with Microsoft claim that third-party advertising in free smartphone apps can be responsible for as much as 65 percent to 75 percent of an app's energy consumption... Is there a best practice for integrating advert support into mobile applications, so as to not drain user battery too much? ...When you fire up Angry Birds on your Android phone, the researchers found that the core gaming component only consumes about 18 percent of total app energy. The biggest battery suck comes from the software powering third-party ads and analytics accounting for 45 percent of total app energy, according to the study... Has anyone invoked better ways of keeping away from the "3G Tail", as the report puts it? Is it better/possible to download a large set of adverts that are cached for a few hours, and using them to populate your ad space, to avoid constant use of the Wi-Fi/3G radios? Are there any best practices for the inclusion of adverts in mobile apps?

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• Intel mise sur le HTML5 pour le développement multiplateforme et annonce des outils de développement pour le langage

  « Notre plus grosse erreur a été de trop miser sur le HTML5 », pour le PDG de Facebook le standard n'est-il pas encore mature pour le mobile ? HTML5, le futur standard émergeant du Web tant vanté et mis en avant par les éditeurs de navigateurs aurait au final de grosses faiblesses. Des faiblesses qui ont poussé Facebook à avoir des regrets après son adoption. Si la norme a fait ses preuves sur les navigateurs de bureaux et dans le domaine des jeux, il reste encore un secteur ou celle-ci a du mal à s'exprimer : le mobile. Un secteur pour lequel le réseau social Facebook a essentiellement parié sur le HTML5 pour ses applications mobiles afin de profiter d'un standard ouvert...

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• Build in better usability with UX Direct

  - by JuergenKress

  The Oracle Applications User Experience team has created a program called Oracle UX Direct to provide customers, partners, and consultants in the enterprise industry with design best-practices and tools that they can leverage to make their enterprise implementations more successful. Read the Voice of User Experience, or VoX, blog to learn more about why the program was created, and visit the UX Direct web site to find out how to introduce design thinking during the implementation stage. Create a solution that best fits the needs of users from the beginning. Read more about UX Direct on VoX. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: UX,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Lenovo Thinkpad R500 having problems resuming

  - by Nicolas Raoul

  Yesterday I installed Ubuntu 11.04 from scratch on my Thinkpad R500, leaving the default power management settings. Yesterday I closed the lid, and this morning when I opened it the laptop resumed correctly. Today during lunch the laptop went to sleep without me closing the lid, and there was no way to wake it up by typing ESC or moving the mouse or TrackPoint. No disk activity at all. When I briefly pushed the POWER button, the laptop rebooted completely, losing my opened applications. Is it a known problem with Natty/Lenovo Thinkpad R500/ATI? Any idea what could fix the problem?

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• All Access Pass to Oracle Support

  - by Leslie-Oracle

  Untitled Document Looking for tips, recommendations and resources to help you keep your Oracle applications and systems running at peak performance? Want to find out how to get more out of your Oracle Premier Support coverage? More than 500 experts from across Services and Support will be on hand at Oracle OpenWorld to answer your questions and share best practices for adopting and optimizing Oracle technology. Find out what Oracle experts know about the best tools, tips and resources for supporting and upgrading Oracle technology. Attend one of our “Best Practices” sessions. Stop by the Oracle Support Stars Bar to talk with support experts. Open daily @ Moscone West, Exhibition hall 3161. See Oracle support tools in action at one of our demos. View the schedule of all of our Oracle Premier Support activities at Oracle OpenWorld for more information. See you there!

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• BeanInfo Editor in NetBeans Rocks

  - by Geertjan

  Impressed by a cool feature I didn't know about. If you have some JavaBean, like my Event class below, you can right-click it and choose "BeanInfo Editor": Now, as you can see above, I don't have a BeanInfo class. So I am now asked whether the IDE should create one for me. So I say OK and then I have a new BeanInfo class, generated from my Event class, as well as a multiview editor for visually editing the BeanInfo class: Thanks Eric and Nicklas from Artificial Solutions in Stockholm for pointing this out to me today. It comes in very handy in NetBeans Platform applications when you're working with a BeanNode and want to customize the display of your properties.

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