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• AutoVue 20.0.x End of Oracle Premier Support

  - by GrahamOracle

  As per Oracle’s Lifetime Support policy, AutoVue version 20.0.x reached the end of Premier Support on March 1st 2012, and entered Sustaining Support. Customers are recommended to upgrade to the latest & greatest (AutoVue 20.2.0) at the earliest opportunity, to take advantage not only of a new 5-year Premier Support term, but also all of the fixes, new features, and new format support as compared to version 20.0.x.For more information on Oracle’s Lifetime Support policy, visit http://www.oracle.com/us/support/lifetime-support/lifetime-support-software-342730.html and click on the link titled “Lifetime Support Policy: Oracle Applications (PDF)”.

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• Is it a good idea to use a formula to balance a game's complexity, in order to keep players in constant flow?

  - by user1107412

  I read a lot about Flow theory and its applications to video games, and I got an idea sticking in my mind. If a number of weight values are applied to different parameters of a certain game level (i.e. the size of the level, the number of enemies, their overal strength, the variance in their behavior, etc), then it should be technically possible to find an overal score mechanism for each level in the game. If a constant ratio of complexity increase were empirically defined, for instance 1,3333, or say, the Golden Ratio, would it be a good idea to arrange the levels in such an order that the increase of overal complexity tends to increase that much? Has somebody tried it?

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• Problem installing LibreOffice; please help!

  - by EmmyS

  I followed the instructions for installing LibreOffice found here, which are basically the same instructions found all over askubuntu and the web in general. I followed the instructions (including removing OO first) for gnome; all that is in my Applications menu now is LibreOffice (OO used to have OpenOffice Spreadsheet, OpenOffice Presentation, etc.) When I open LibreOffice, I get the splash screen/menu, but all of the choices for creating new docs are greyed out. It also will not open any office/type files (no errors; they just don't open.) The terminal commands indicated that installation was successful, but obviously something is missing. I'm guessing I can just reinstall OO from the software center, but I'd really like to give LibreOffice a try, given the lack of ongoing development on OO. Can anyone help me out?

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• Should we consider code language upon design?

  - by Codex73

  Summary This question aims to conclude if an applications usage will be a consideration when deciding upon development language. What factors if any could be considered upon language writing could be taken into context. Application Type: Web Question Of the following popular languages, when should we use one or the other? What factors if any could be considered upon language writing could be taken into context. Languages PHP Ruby Python My initial thought is that language shouldn't be considered as much as framework. Things to consider on framework are scalability, usage, load, portability, modularity and many more. Things to consider on Code Writing maybe cost, framework stability, community, etc.

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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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• Laptop buttons not working on a Dell Latitude e6400

  - by Ido

  I have install Ubuntu 12.10 64 bit on my Dell Latitude E6400 laptop. I have the latest bios version for my laptop (A32) which I downloaded from the official Dell website by checking updates that matches the service tag on my laptop. I'm having serious problems with all the mouse buttons on my laptop. The right-click button doesn't work at all under any circumstance. The left click button only work when clicking on icons in the left side-bar and in the top menu (like clicking on the power icon in the top-right corner or clicking on the file menu). However none of the buttons work in any of the applications even simple one like the file browser (home folder). For example when I try to click on a folder inside nautilus it doesn't work or when I try to click on the "x" close icon to close the window it also doesn't work. Can you help me figure it out?

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• Game Patching Mac/PC

  - by Centurion Games

  Just wondering what types of solutions are available to handle patching of PC/Mac games that don't have any sort of auto updater built into them. In windows do you just spin off some sort of new install shield for the game that includes the updated files, hope you can read a valid registry key to point to the right directory, and overwrite files? If so how does that translate over to Mac where the game is normally just distributed as straight up .app file? Is there a better approach than the above for an already released product? (Assuming direct sells, and not through a marketplace that features auto-updating like Steam.) Are there any off the shelf auto-updater type libraries that could also be easily integrated with a C/C++ code base even after a game has been shipped to make this a lot simpler, and that are cross platform? Also how do auto-updaters work with new OS's that want applications and files digitally signed?

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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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• Using components with different permissive licenses in a commercial app. How to display copyright correctly?

  - by Ivaylo Slavov

  I am writing a commercial application that will make use of some open libraries licensed under different licenses. For example one library will be licensed under the Apache 2.0 license, another will use the LGPL license. Both licenses allow usage in commercial applications, but differ in the way the attributions of licensed work is given. It is my first commercial application that uses 3rd party libraries and I want to do the right thing so that the 3rd party licenses are satisfied. I am not only asking what I should do, but also what I must not do.

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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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• How essential is it to make a service layer?

  - by BornToCode

  I started building an app in 3 layers (DAL, BL, UI) [it mainly handles CRM, some sales reports and inventory]. A colleague told me that I must move to service layer pattern, that developers came to service pattern from their experience and it is the better approach to design most applications. He said it would be much easier to maintain the application in the future that way. Personally, I get the feeling that it's just making things more complex and I couldn't see much of a benefit from it that would justify that. This app does have an additional small partial ui that uses some (but only few) of the desktop application functions so I did find myself duplicating some code (but not much). Just because of some code duplication I wouldn't convert it to be service oriented, but he said I should use it anyway because in general it's a very good architecture, why programmers are so in love with services?? I tried to google on it but I'm still confused and can't decide what to do.

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• Tout savoir sur Office 365, la nouvelle offre Cloud professionnelle complète de Microsoft, avec la Directrice Marketing des Produits Office

  TechDays 2011 : Office 365, la nouvelle offre applicative professionnelle complète De Microsoft en mode Cloud, avec la Directrice Marketing des Produits Office Non, Office 365 n'est pas la version Cloud de Office 2010. C'est un peu plus que cela. Office 365 est le nouveau fer de lance de Microsoft sur le marché des applications professionnelles hébergées. Il s'agit d'une suite complète qui se compose de : SharePoint Online (et d'un espace en ligne), pour la création de portails, de sites web ou intranet, etc. Exchange Online, pour la gestion des courriels, agendas et contacts partagés. ...

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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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• Un nouvel Android Market Webstore est en ligne, il permet de télécharger une application sur son terminal directement depuis le Web

  Un nouvel Android Market Webstore est en ligne, il permet de télécharger une application sur son terminal directement depuis le Web Google vient de dévoiler son Android 3.0, Honeycomb. Mais ce n'est pas tout, une autre nouveauté de taille a été présentée : l'Android Market Webstore. Celui-ci permet de trouver et d'installer des applications, sans être obligé de passer par le Market de son téléphone, comme c'était le cas jusqu'à maintenant. Seul le navigateur est désormais nécessaire, "tout est connecté", pour une simplicité maximale. Ère du social oblige, une fonction permet d'envoyer par e-mail des liens vers les pages du Market de son choix, et aussi de partager des liens vers des apps via Twitter. ...

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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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• MIX10 Keynote Windows Phone 7 Series Development

  As New Zealand wakes up on Tuesday 16th March the MIX 2010 keynote is wrapping up in Las Vegas. Watch the full keynote below: As I walk out of the keynote room I cant help but feel pride for where Scott Guthrie has taken Windows Phone in one short year. This really was a reset of the platform and the unveiling of a very exciting new beginning! Today we announced that all the tools you need to get started building applications for Windows Phone 7 series are available for you to download...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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• Learning Library – Enterprise Manager Cloud Control 12c: Best Practices for Middleware Management

  - by JuergenKress

  This self-paced course teaches you best practices when using Oracle Enterprise Manager Cloud Control 12c for managing your WebLogic and SOA applications and infrastructure. It consists of interactive lectures, videos, review sessions, and optional demonstrations. This course covers Enterprise Manager Cloud Control 12c licensed with the WebLogic Server Management Pack Enterprise Edition and the SOA Management Pack Enterprise Edition. 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 Mix Forum Technorati Tags: EM12c,Enterpries manager training,education,training,SOA Community,Oracle SOA,Oracle BPM,BPM,Community,OPN,Jürgen Kress

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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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• 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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• 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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• 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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• it is a good approach to implement dependency injection in a desktop app?

  - by luis_laurent

  Well, the thing is that I am just about to create a Desktop App (with .NET windows forms) And now I just wonder if it would be really a wise choise to use any IoC (StructureMap,Ninject,Spring .Net), I have used them before for Asp.Net web applications but what makes me doubt now is the fact that working with windows forms my business entities will persist when I navigate through tabs and unlike than web forms or mvc apps where it would be necesary to inject my business entity for every new request that is performed, I mean this because of the Asp.Net page life cycle where is performed the initialization and controls instantiation. Maybe I am misunderstanding the point of using an IoC, so please tell me what do you think would be a better choise?

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• How do Expires headers and cache manifest rules work together?

  - by Robert K

  I find the W3C's official Offline Web Applications specification to be rather vague about how the cache manifest interacts with headers such as ETag, Expires, or Pragma on cached assets. I know that the manifest should be checked with each request so that the browser knows when to check the other assets for updates. But because the specification doesn't define how the cache manifest interacts with normal cache instructions, I can't predict precisely how the browser will react. Will assets with a future expiration date be refreshed (no matter the cache headers) when the cache manifest is updated? Or, will those assets obey the normal caching rules? Which caching mechanism, HTTP cache versus cache manifest, will take precedence, and when?

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• Silverlight XAP Signing Certificate promotion from Thawte

  And the offers keep coming in! Another one of our key partners for testing XAP signing for trusted applications was Thawte. Their group helped provide us with valid certificates to verify their process and signing worked as expected (and verified) for Silverlight 4. Today I just got an email from their marketing department that they would like to offer Silverlight developers a discount on Thawte code-signing certificates to $89 for a 1-yearabout 70% off their current rate. Thats pretty amazing of...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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