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  • How can a large, Fortran-based number crunching codebase be modernized?

    - by Dave Mateer
    A friend in academia asked me for advice (I'm a C# business application developer). He has a legacy codebase which he wrote in Fortran in the medical imaging field. It does a huge amount of number crunching using vectors. He uses a cluster (30ish cores) and has now gone towards a single workstation with 500ish GPUS in it. However where to go next with the codebase so: Other people can maintain it over next 10 year cycle Get faster at tweaking the software Can run on different infrastructures without recompiles After some research from me (this is a super interesting area) some options are: Use Python and CUDA from Nvidia Rewrite in a functional language. For example, F# or Haskell Go cloud based and use something like Hadoop and Java Learn C What has been your experience with this? What should my friend be looking at to modernize his codebase? UPDATE: Thanks @Mark and everyone who has answered. The reasons my friend is asking this question is that it's a perfect time in the projects lifecycle to do a review. Bringing research assistants up to speed in Fortran takes time (I like C#, and especially the tooling and can't imagine going back to older languages!!) I liked the suggestion of keeping the pure number crunching in Fortran, but wrapping it in something newer. Perhaps Python as that seems to be getting a stronghold in academia as a general-purpose programming language that is fairly easy to pick up. See Medical Imaging and a guy who has written a Fortran wrapper for CUDA, Can I legally publish my Fortran 90 wrappers to Nvidias' CUFFT library (from the CUDA SDK)?.

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  • How safe is locking the screen?

    - by D Connors
    So, both windows and linux have a pretty useful feature that allows you to leave everything running on the PC while also keeping invaders away by locking the screen. My question is: Say I leave my laptop with the screen locked while I go get a donnut, and then it gets stolen. Assuming the thief has access to whatever software he needs, how easy/hard would it be for him to access my (currently logged-in) account? Now let me be clear. I'm not asking if he can access the data on the harddrive. I know he can, and that issue would go under data encryption, which is not my question here. I'm focusing on how hard would it be to get around the "Insert Password" screen, and have full access to my account. I'm looking for answers regarding both OS's; but, if needed, assume Ubuntu. Thank you.

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  • How to connect to internet using huawei E303C datacard

    - by Rahul Choudhary
    It is very difficult to use ubuntu. After six hours of research on various websites and ubuntu blogs I was unable to connect to internet using my Huawei DataCard E303C. I wonder that if it takes so much long time to figure out how to connect to internet using a 3g datacard (Huawei E303C) to connect to internet, then how would I do my daily computing tasks using ubuntu. Is there anyone who can help me with that. My personal practical experiences says that using ubuntu instead of windows is not different but tough. Yes it is very tough to use ubuntu. Why it cannot be like we double click and software gets installed as it happens in windows and why we always have to use terminal to install everything. Why everything in ubuntu is very difficult and tough to accomplish. I am drifting away from ubuntu. Can any developer at ubuntu help keep my interest in ubuntu? Is there anyone who can lure me to use ubuntu again?

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  • How to fix sound in wolfenstein Enemy Territory

    - by GrizzLy
    I installed wolf:et, and i cant get sound to work. Everything that i have installed is in default paths, i had 10.4 and then upgraded to 10.10 via software update gui. I had sound working in 10.04 with method under 2. I have tried following killall esd; et; esd with that i get ------- sound initialization ------- /dev/adsp: No such file or directory Could not open /dev/adsp ------------------------------------ sudo -i echo "et.x86 0 0 direct" /proc/asound/card0/pcm0p/oss echo "et.x86 0 0 disable" /proc/asound/card0/pcm0c/oss exit with that i get bash: /proc/asound/card0/pcm0p/oss: No such file or directory and indeed i do not have that, i have only sub0 and sub1 in pcm0p I have tried running et with et-sdl-sound script, but with that i get this output in console http://pastebin.com/J7gRU1uh I have probably messed up sdl libraries, could not get sound to work, so downloaded new from debian package site and installed them. Tried setting SDL_AUDIODRIVER="pulse" in et-sdl-sound, looks like i am getting same error as in method 3. pasuspender -- et +set s_alsa_pcm plughw:0 gives me ------- sound initialization ------- /dev/adsp: No such file or directory Could not open /dev/adsp _------------------------------------ Misc: @Oli: i do not know if i am running pulse or esd, how can i check that?

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  • Cannot delete .Trash-503 directory, returns a $RECYCLE.BIN.trashinfo: Input/output error

    - by Parto
    I cannot delete .Trash-503 folder via GUI or terminal, it returns a $RECYCLE.BIN.trashinfo: Input/output error Not even sudo rm -r or even a simple ls works in that trash directory. Check terminal output below: subroot@subroot:~$ cd /media/xxxxx/ subroot@subroot:/media/xxxxx$ rm .Trash-503/ rm: cannot remove `.Trash-503/': Is a directory subroot@subroot:/media/xxxxx$ rm -r .Trash-503/ rm: cannot remove `.Trash-503/info/$RECYCLE.BIN.trashinfo': Input/output error rm: cannot remove `.Trash-503/info/found.000.trashinfo': Input/output error rm: cannot remove `.Trash-503/info': Directory not empty subroot@subroot:/media/xxxxx$ sudo rm -r .Trash-503/ [sudo] password for subroot: rm: cannot remove `.Trash-503/info/$RECYCLE.BIN.trashinfo': Input/output error rm: cannot remove `.Trash-503/info/found.000.trashinfo': Input/output error subroot@subroot:/media/xxxxx$ cd .Trash-503/ subroot@subroot:/media/xxxxx/.Trash-503$ ls info subroot@subroot:/media/xxxxx/.Trash-503$ cd info/ subroot@subroot:/media/xxxxx/.Trash-503/info$ ls ls: cannot access $RECYCLE.BIN.trashinfo: Input/output error ls: cannot access found.000.trashinfo: Input/output error found.000.trashinfo $RECYCLE.BIN.trashinfo subroot@subroot:/media/xxxxx/.Trash-503/info$ What's going on here and how can I delete this folder? EDIT I tried checking and repairing the partition using gparted only to get this error message: ERROR: Filesystem check failed! ERROR: 264 clusters are referenced multiple times. NTFS is inconsistent. Run chkdsk /f on Windows then reboot it TWICE! The usage of the /f parameter is very IMPORTANT! No modification was and will be made to NTFS by this software until it gets repaired. I don't have windows installed, how can I run chkdsk /f from ubuntu?

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  • Windows Vista stuck on crcdisk.sys

    - by hristo
    Hello everyone, I'm here with some Vista-trouble. After a cigarette-break I returned to my desk to find my PC with a black screen, and after failing to wake it up did a forced restart. I haven't been installing any hardware or software for quite a while. Ever since, Vista gets stuck on the animated 'Microsoft Corporation' progress bar with the animation still running and no hard disk activity. With an F8 and safe-mode + prompt I saw that the boot gets stuck at crcdisk.sys. I'm running Vista64 SP1. What could the problem be? Any advice?

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  • Tool to check if XML is valid in my VS2012 comments

    - by davidjr
    I am writing the documentation for our companies software developed with vs2012. I need to add xml examples to the summary of each class, due to xml instantiation of objects. We are using sandcastle to create the documentation (company choice), and I want to be able to review my xml comments without building the help file every time. Is there an application that anyone would recommend where I can view how the xml renders before I build the help file? Here is my example: /// <summary> /// Performs DFT on a data array, writes output in a CSV file. /// </summary> /// <example> /// <para>XML declaration</para> /// <code lang="xml" xml:space="preserve"> /// %lt;DataProvider name="DftDP" description="Computes DFT" etc... I want to check the XML to make sure it is valid, maybe by copy and pasting it into a tool of some sort?

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  • CodePlex Daily Summary for Thursday, June 06, 2013

    CodePlex Daily Summary for Thursday, June 06, 2013Popular ReleasesReliability Modeling and Prediction: Reliability Prediction v2.0.1: Including the reliability modeling schema and the reliability prediction tool. Including case studies (Reporting service and WebScan system). Check Readme.txt for a quick tutorial.Virtual Sport for Sport Team: Virtual Sport Website: This is the website to manage a sports team. Through this website you can manage the members of the team, from players to staff, schedules, and more. and for supporter, be able more easily get to know team through the this websiteChristoc's DotNetNuke Module Development Template: DotNetNuke 7 Project Templates V2.3 for VS2012: V2.3 - Release Date 6/5/2013 Items addressed in this 2.3 release Fixed bad namespace for BusinessController in one of the C# templates. Updated documentation in all templates. Setting up your DotNetNuke Module Development Environment Installing Christoc's DotNetNuke Module Development Templates Customizing the latest DotNetNuke Module Development Project TemplatesPulse: Pulse 0.6.7.0: A number of small bug fixes to stabilize the previous Beta. Sorry about the never ending "New Version" bug!ZXMAK2: Version 2.7.5.3: - debugger: add LPC indicator (last executed opcode pc) - add host joystick support (written by Eltaron) - change file extension for CMOS PENTEVO to "cmos" - add hardware value monitor (see Memory Map for PENTEVO/ATM/PROFI)QlikView Extension - Animated Scatter Chart: Animated Scatter Chart - v1.0: Version 1.0 including Source Code qar File Example QlikView application Tested With: Browser Firefox 20 (x64) Google Chrome 27 (x64) Internet Explorer 9 QlikView QlikView Desktop 11 - SR2 (x64) QlikView Desktop 11.2 - SR1 (x64) QlikView Ajax Client 11.2 - SR2 (based on x64)BarbaTunnel: BarbaTunnel 7.2: Warning: HTTP Tunnel is not compatible with version 6.x and prior, HTTP packet format has been changed. Check Version History for more information about this release.Harvester - Debug Viewer for Trace, NLog & Log4Net: v2.0.1 (.NET 4.0): Minor Updates Fixed incorrect process naming being displayed if process ID reassigned before cache invalidated. Fixed incorrect event type/source for TraceListener.TraceData methods. Updated NLog package references. Official Documentation Moved to GitHub http://cbaxter.github.com/Harvester Official Source Moved to GitHub https://github.com/cbaxter/HarvesterSuperWebSocket, a .NET WebSocket Server: SuperWebSocket 0.8: This release includes these changes below: Upgrade SuperSocket to 1.5.3 which is much more stable Added handshake request validating api (WebSocketServer.ValidateHandshake(TWebSocketSession session, string origin)) Fixed a bug that the m_Filters in the SubCommandBase can be null if the command's method LoadSubCommandFilters(IEnumerable<SubCommandFilterAttribute> globalFilters) is not invoked Fixed the compatibility issue on Origin getting in the different version protocols Marked ISub...BlackJumboDog: Ver5.9.0: 2013.06.04 Ver5.9.0 (1) ?????????????????????????????????($Remote.ini Tmp.ini) (2) ThreadBaseTest?? (3) ????POP3??????SMTP???????????????? (4) Web???????、?????????URL??????????????? (5) Ftp???????、LIST?????????????? (6) ?????????????????????Media Companion: Media Companion MC3.569b: New* Movies - Autoscrape/Batch Rescrape extra fanart and or extra thumbs. * Movies - Alternative editor can add manually actors. * TV - Batch Rescraper, AutoScrape extrafanart, if option enabled. Fixed* Movies - Slow performance switching to movie tab by adding option 'Disable "Not Matching Rename Pattern"' to Movie Preferences - General. * Movies - Fixed only actors with images were scraped and added to nfo * Movies - Fixed filter reset if selected tab was above Home Movies. * Updated Medi...Nearforums - ASP.NET MVC forum engine: Nearforums v9.0: Version 9.0 of Nearforums with great new features for users and developers: SQL Azure support Admin UI for Forum Categories Avoid html validation for certain roles Improve profile picture moderation and support Warn, suspend, and ban users Web administration of site settings Extensions support Visit the Roadmap for more details. Webdeploy package sha1 checksum: 9.0.0.0: e687ee0438cd2b1df1d3e95ecb9d66e7c538293b Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.93: Added -esc:BOOL switch (CodeSettings.AlwaysEscapeNonAscii property) to always force non-ASCII character (ch > 0x7f) to be escaped as the JavaScript \uXXXX sequence. This switch should be used if creating a Symbol Map and outputting the result to the a text encoding other than UTF-8 or UTF-16 (ASCII, for instance). Fixed a bug where a complex comma operation is the operand of a return statement, and it was looking at the wrong variable for possible optimization of = to just .Document.Editor: 2013.22: What's new for Document.Editor 2013.22: Improved Bullet List support Improved Number List support Minor Bug Fix's, improvements and speed upsPHPExcel: PHPExcel 1.7.9: See Change Log for details of the new features and bugfixes included in this release, and methods that are now deprecated.Droid Explorer: Droid Explorer 0.8.8.10 Beta: Fixed issue with some people having a folder called "android-4.2.2" in their build-tools path. - 16223 Magick.NET: Magick.NET 6.8.5.402: Magick.NET compiled against ImageMagick 6.8.5.4. These zip files are also available as a NuGet package: https://nuget.org/profiles/dlemstra/patterns & practices: Data Access Guidance: Data Access Guidance Drop3 2013.05.31: Drop 3DotNet.Highcharts: DotNet.Highcharts 2.0 with Examples: DotNet.Highcharts 2.0 Tested and adapted to the latest version of Highcharts 3.0.1 Added new chart types: Arearange, Areasplinerange, Columnrange, Gauge, Boxplot, Waterfall, Funnel and Bubble Added new type PercentageOrPixel which represents value of number or number with percentage. Used for sizes, width, height, length, etc. Removed inheritances in YAxis option classes. Closed issues: 682: Missing property - XAxisPlotLinesLabel.Text 688: backgroundColor and plotBackgroundColor are...DirectX Tool Kit: May 2013: May 30, 2013 Added more GeometricPrimitives: Cone, Tetrahedron, Octahedron, Dodecahedron, Icosahedron Updated to support loading new metadata from DDS files (if present) Fixed bug with loading of WIC 32bpp RGBE format images Fixed bug when skipping mipmaps in a 1D or 2D array texture DDS fileNew Projectsabang: ????????Alex Develop Kit: ????????C#?????????。AnaLog - Analyse Logique: Software for logical equations analyse. App Excess: App Platform for Windows.Associativy Frontend Engines Administration: Frontend Engines Administration module for the Associativy (http://associativy.com) Orchard graph platform.ATDD Applied (Example): Sample code for Nordic Testing Days 2013 workshop - Acceptance Test Driven Development Applied: An Intro to ATDD using Jasmine and SpecFlowAzCAD: AzCAD is a free CAD program.BVVD Project: SOURCE CODECrzy Engine: C# and XNA ORPG Game Development engine.Custom Pong: Custom PongEDID Puller: Simple C# application showing how to get the EDIDs of the connected monitors to a PC, in particular the manufacturer and model of the display device.GooMUI: A desktop player for the Google Play Music service that runs on Windows.Had: HadIIS Express GUI: The GUI for IISExpress (version 7.5 and 8.0) jean0605jabbrchangbranch: ddjQueryBuddy Port to .Net 4.0+: Upgrading the project to current dot net will make using this app easier for some folks!Kinopoly: Dieses Projekt ist eine Arbeit der Berufschule Bern, GIBB. Das Ziel ist es das berühmte Spiel Monopoly im Film Theme als eine Clientapplikation zu realisieren.Magic Engine - 2D and 3D engine developed by school students: Magic Engine - 2D and 3D engine developed by school studentsMetrics calculation: Calculates metrics with the use of Driven Metrics.Metro WPF: Metro WPF provides a set of controls and styles for you to build your metro style WPF applications.mysitie: this is unknown error site Native API Test Command-Line Utility: A command-line utility that allows the user to call native API function interactively and experiment with how they function.prakark06052013Hg01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [another wiki page] [url:http://www.example.prakark06052013Tfs01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [another wiki page] [url:http://www.example.prakarkGit06052013Git01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [url:http://www.example.com] {"Do QlikView Extension - Animated Scatter Chart: Animated scatter chart for QlikView, inspired by D3js.orgREADPDB(Program Database Reader): This tool uses the Microsoft Debug Interface Access Software Development Kit (DIA SDK) to parser PDB file SelfProject: Just For TestSlWfDesign: 11212SSZZ: SSZZ is a tool for Data Analysistest project codeplex: This is a testtesttom06052013git01: dfdstesttom06052013hg01: *bold* _italics_ +underline+ ! Heading 1 !! Heading 2 * Bullet List ** Bullet List 2 # Number List ## Number List 2 [another wiki page] [url:http://www.example.testtom06052013tfs01: gfdgfdthree: It's a personal project.Validation Rules Framework for C++: C++ framework for rule creation, validation and management.

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  • WebLogic Server Provisioning and Patching with Enterprise Manager Cloud Control 12c Now Available

    - by JuergenKress
    For access to the Oracle demo systems please visit OPN and talk to your Partner Expert. SOA Suite and BPM Suite runs on WebLogic! We are pleased to announce the availability of a WebLogic Server Management demo that showcases some of the key provisioning and patching capabilities of WebLogic Server Management Pack Enterprise Edition (EE). To learn more about these features - as well as other features of the pack - please visit the pack's saleskit page. Demo Highlights The demo showcases the following capabilities: Patching Oracle WebLogic Servers Standardizing WebLogic Server Patch Rollouts Creating a WebLogic Domain Provisioning Profile Cloning a WebLogic Domain from a Provisioning Profile Deploying a Java EE Application Scaling Out an Oracle WebLogic Cluster Demo Instructions Go to the DSS website for Oracle Partners. On the Standard Demo Launchpad page, under the “Software Lifecycle Automation” section, click on the link “EM Cloud Control 12c WLS Provisioning and Patching” (tagged as “NEW”). Specific demo launchpad page contains a link to the detailed demo script with instructions on how to show the demo. 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: WebLogic,Enterprise Manager,EM12c,SOA Community,Oracle SOA,Oracle BPM,BPM Community,OPN,Jürgen Kress

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  • Data Recovery needed with a Sector Zero problem on a HDD

    - by Jay Robins
    Left my computer (running XP) copying files to an external drive. Came back a few hours later, and the laptop was pretty hot and had frozen (Ironic aint it). Forced a reboot, and the laptop HDD hasnt worked since. Set it up in an external enclosure, but XP cant mount the HDD to a drive letter, but is able to recognize the manufacturer and drive size (Hitachi-320GB). No noise or rattling when the drive is spinning, but I cant get anything off of it, since i cant mount it, or see much of anything. Computer repair shop ran some software tests and says it came back with a "Zero Sector bad" message, and need to send it to a professional data recovery service. Any other options or ideas, before I have to spend thousands of dollars to recover my data? Any help would be GREATLY appreciated!!! I'm desperate and a poor student! Thanks in Advance, -Jay

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  • How do you add a certificate for WLAN in Linux, at the command-line?

    - by Neil
    I'm using Maemo on a Nokia n810 Internet tablet, and when given a list of installed certificates to choose from when connecting to a PEAP wireless network, it's always blank. I've already installed a couple of certificates through the gui on the device, and only the certificate authorities show up. I've confirmed that Maemo's connection software that handles certificates is buggy, in such a way that certificates are never added, or properly added certificates cannot be found. Is there a way to add WLAN certificates at the command-line, and connect to a wireless network at the command-line as well? I used to use iwconfig to connect, but I never used it with PEAP. Note: I have nothing in /etc/ssl/certs

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  • What are the pros and cons about developing under MAC OS? [closed]

    - by user827992
    Sometimes i get the chance to program under MAC OS, i knew about this OS since Apple shipped its computers with a PowerPC by Motorola ( since Panther, more or less ), these days they are all X86 and i see no particular advantages about adopting this platform, also i see only downsides for the main part, i do not want to cause flames, please reply if you have a good answer or you can contribute in some constructive way. I'm trying to write a list of the natively supported languages, or the languages that comes only under MAC OS with some particular technology, my list is this: Objective C with Cocoa/Carbon I'm not considering personal preferences here, if a person X likes to code under Xcode it's probably ok to have a MAC, if a person Y likes to code under Visual Studio it's probably ok to not having a MAC, my purpose is to clarify what MAC OS is good for. I also do not get why people glorify the MAC for historical reasons, I mean a language like Java just comes for MAC only in the 7th edition of its JDK, things like GCC are just a porting and many technologies are out of the question like C# ( I'm sorry, i do not consider MonoDevelop like a serious alternative ) , .Net, ASP, DirectX, and many others are just, again, porting or free software, like PHP, MySQL, Javascript, XML, CSS, OpenGL, etc etc. My question is: what is so special about being a programmer under MAC OS? There is something that I have not seen? I also noticed that a significant portion of MAC users end up using their MAC like a normal Windows PC with Parallels or something like that. I can afford to buy a MAC, show me why this machine is so unique.

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  • Why is Latex so big?

    - by putmatrix
    On windows, MikTex comes in a DVD. It's several times bigger than a typical Linux distribution. This makes it impossible to carry Latex on a memory stick like I do with many other useful software. Why is it so big? I thought it was just a language or system, but I've never seen any programming language with gigabytes of libraries. It's just that there's a bad feeling when your Latex distribution takes up four gigabytes of space when you expect it to be more of, say, 200mb.

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  • Archbeat Link-O-Rama Top 10 Facebook Faves - June 16-22, 2013

    - by Bob Rhubart
    2,819 people now follow OTN ArchBeat on Facebook. These are the Top 10 most popular items shared there for the week of June 16-22, 2013. Getting started with Java EE 7: Hands-on in 10 minutes | Lucas Jellema Oracle ACE Director and prolific blogger Lucas Jellema offers his take on the Java EE7 release and shares tips and resources to help you on your way. Not ‘how’ but ‘why’ should you upgrade to JDeveloper & ADF 11.1.1.7.0 | Chris Muir Oracle ACE Director Tim Hall and Oracle ADF Product Manager Chris Muir collaborated on this dialog that just might help you in your decision. OTN Architect Day: Cloud Computing - July 9, Redwood Shores, CA You won't need 3D glasses to see the technical sessions at OTN Architect Day: Cloud Computing, July 9, 2013. Redwood Shores, CA. It's free! It's live! Register now! Video: Frédéric Desbiens: Bringing Java to On-Device iOS and Android Apps (QCon NYC 2013) Oracle Application Development Tools product manager Frédéric Desbiens recaps his QCon New York presentation about how Java developers can leverage existing skills to develop enterprise mobile applications. OEPE 12.1.1.2.2 with GlassFish Tools released | Peter Benedikovic Peter Benedikovic's brief post offers an overview of some of the features in the new version of Oracle Enterprise Pack for Eclipse, released in conjunction with the release of Java EE 7. Oracle Enterprise Manager 12c Configuration Best Practices (Part 2 of 3) | Bethany Lapaglia Part 2 of Beth Lapaglia's 3-part series on the most commonly implemented configuration changes to improve performance and operation of a large Enterprise Manager 12c environment focuses on recommended WebLogic Server changes. Video: Doug Clarke: Polyglot Persistence: From NoSQL to HTML5 (QCon NYC 2013) Doug Clarke, EclipseLink Project Lead and Oracle Director of Product Management gives a very condensed version of his QCon New York presentation on "Polyglot Persistence: From NoSQL to HTML5." Podcast Show Notes: DevOps, Cloud, and Role Creep - Part 2 Automation and innovation had a huge impact on the manufacturing jobs of years gone by. Is something similar happening to some IT jobs? Oracle ACE Directors Ron Batra, Basheer Khan, and Cary Millsap discuss what's happening in part 2 of this 3-part podcast. Video: Reza Rahman: Building Java HTML5/WebSocket Applications with JSR 356 (QCon NYC 2013) Java EE/GlassFish evangelist Reza Rahman talks about how WebSocket provides "the basis for a new generation of interactive and live Web applications" for mobile developers. Lessons from Fusion HCM Implementations | Tim Warner Oracle ACE Tim Warner shares summaries of the Fusion HCM implementation experiences of several companies, as detailed in presentations at the 2013 Oracle HCM Users Group Conference. Thought for the Day "If the mind really is the finest computer, then there are a lot of people out there who need to be rebooted." — Tim Bryce Source: softwarequotes.com

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  • How to copy directories using debugfs?

    - by STM
    The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I seem to receive a syntax error, and no copy is initiated? These are the commands I run: cd /path/to/transfer/destination debugfs /dev/sda1 -R rdump . . My task is to copy the entire contents of a clean yet unmountable USB storage device to its host machine's HD. The host machine does not support the inode size used by the USB device's filesystem (256) and its software is not upgradeable, so my intention was to use debugfs to transfer the files. If anyone has any other suggestions for this task I'd be grateful.

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  • Notebook Dell Inspiron N5110 Overheating after Installing Ubuntu 12.04

    - by Gilberto Albino
    there! I am scared here! I am a Windows 7 User and decided to install Ubuntu 12.04 on my Notebook Dell Inspiron N5110 and when the Grub loads with the menu list the fan starts speeding up. If I choose windows the fan is noiseless but if I choose Ubuntu... Gosh!!! It continues speeding up and overheating... I'm very sad about that! Every time I try to use Linux... I get a diferent hardware issue related to incompatibility or bugs! When it's not graphic driver it is bug elsewhere unimaginable!!! If there is a solution for this... I wonder if someone could spend some time helping me out because... I have JUST bought this notebook because it is in the list of Certified Hardware: http://www.ubuntu.com/certification/hardware/201012-6931/ So this is sad and somehow disgusting! Linux is going for the wrong way! It's never gonna be popular while doesn't have so wide hardware support like WIndows! That's a pitty! It's very likely I won't get answered meanwhile I will switch back for windows! I prefer paying my Windows License and having a fully working system than having a free open source software that is about to explode my notebook or toast my hands before! So you linux wonderful guys help! I need somebody help (beattles so I won't cry)

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  • How to solve 'Connection refused' errors in SSH connection?

    - by frbry
    I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error like this: Network error: Connection refused. Then, I dont't change anything, try to login a few times more, wait a while and try again. Sometimes I can log in, sometimes I cannot. It seems pretty random to me. What can I do to solve this? Edit: And Sometimes, Putty gives Network error: Software caused connection abort error after displaying login as: text. Here is the ping -t output: Pinging 192.168.2.254 with 32 bytes of data: Reply from 192.168.2.254: bytes=32 time=6ms TTL=64 Reply from 192.168.2.254: bytes=32 time=65ms TTL=6 Reply from 192.168.2.254: bytes=32 time=88ms TTL=6 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=3ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64

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  • can anyone help me through the preparation of Eclipse IDE for android developer in ubuntu 12.04?

    - by csbl
    I'm new to to Linux, in this particular case, to Ubuntu. I have a small android project I have to finnish until this Friday and I'm still stuck with the install and preparing of the development envrironment. The only thing I did was install the Eclipse IDE. I'm still missing the SDK, JAVA and anything else that might be needed. Can someone help me through this? It's only because I'm running out of time to develop, or else I would embarc on a deeper investigation of this OS. I tried the step to install android platforms, through Eclispe-Help-Install New Software, and I got the follwoing error messages, at the end of the process: [2012-06-06 17:35:56 - adb] /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory [2012-06-06 17:35:56 - adb] 'adb version' failed! /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory [2012-06-06 17:35:56 - adb] Failed to parse the output of 'adb version': Standard Output was: Error Output was: /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory [2012-06-06 17:35:56 - adb] /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory [2012-06-06 17:35:56 - adb] 'adb version' failed! /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory [2012-06-06 17:35:56 - adb] Failed to parse the output of 'adb version': Standard Output was: Error Output was: /home/catia/android-sdks/platform-tools/adb: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory Can anyone help, please??

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  • Can't customize the application switcher

    - by Byron Hawkins
    I'm trying to change the shortcut for switching applications from Alt+Tab to Ctrl+Tab, but changes in the System Settings > Keyboard > Shortcuts > Navigation are being ignored. Even if I disable the Switch applications shortcut entirely, it still maps to Alt+Tab. At one point I had some keys remapped with xmodmap, but since then I have deleted that configuration and rebooted. My keyboard layout settings are all defaults. The OS is Ubuntu 12.04, with all software updated this afternoon. It would also be nice to have the variation of application switching that includes one icon per window, instead of one icon per application, since I am frequently switching between windows of an application and would rather not wait for the switcher to realize I want a different window of the current application. My other Ubuntu 12.04 install has the application switcher that I like, but I'm not sure how to choose between them on this install (which was set up by my university department). Thanks if anyone can help me with this.

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  • How to persist changes to instances in the cloud.

    - by Peter NUnn
    Hi folks, I must be missing something here, but can someone clue me in on how to persist changes (such as software installs etc) on machines in the cloud (either EC2 or my own Eucalyptus cloud). I have instances running.. can attach extra disks to them etc., but every time I terminate the instance, all of my changes are lost the next time I run them. Now, this sort of makes sense in that the instances are virtual, but, there must be some way to make these changes persist. I'm just missing how its done. Thanks. Peter.

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  • Can't access some websites with any browser

    - by Charles Kingsmill
    I'm running Windows 7 64-bit on a new Samsung laptop and accessing the internet okay via ethernet cable to my university's ISP. Some sites work fine (e.g. google.com) but I can't access others at all (microsoft.com, topshop.com). I can't connect to those sites in safe mode with networking. And ping and tracert both fail. There's no proxy. Other users can connect successfully to these sites using my cable and socket. I've tried all the following with no success: using various browsers (IE9, FF, Chrome) creating a new user updating drivers clearing the DNS cache using OpenDNS and Google's DNS turning off Avast tweaking the MTU running MS malicious software removal tool running Spybot S&D reviewing the hosts file disabling the IPv6 options repairing / resetting winsock settings disabling advanced javascript options I have run out of ideas... can anyone see anything I've missed??!

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  • My profile won't load!

    - by blsub6
    I can get into my Windows Server 2008 R2 primary domain controller via remote desktop just fine. It's my boss who's got his profile messed up. When he tries to log in, he gets the message The User Profile service failed the logon. User profile cannot be loaded. I've looked for his profile everywhere and cannot find it to delete or fix it. System Properties Advanced User Profiles shows my profile, the Administrator profile and the Default Profile. HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList only shows my profile and the Administrator profile. Everything that I've found on the internets points me to those locations. Help a brotha out?

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  • Can Linux works as 802.1X authenticator in bridge mode ?

    - by Kartoch
    I want to create a lab for my students with netkit (a network emulator based on 802.1X) to study 802.1X. I can create the authentication server (FreeRadius) and configure the client with XSupplicant connected by a switch (a Linux in bridge mode). I'm looking to a way to configure the switch as Authenticator, i.e.: when the client is connected, the switch only forwards EAP packets to the authentication server. then the switch lets the user access to the local network when the authentication server authorizes the client. At the present time there is a lot of documentation to do this with a wireless point but no one for a switch. Does anyone have an idea or know the good software for it ?

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  • Pressing an accent key (´ / ?) adds the character twice in most programs

    - by sh code
    This might seem as duplicate of Pressing key with accent character makes it enter twice but it is not: About three days ago, the issue started - I am using Slovak (Slovakia) keyboard, and the key for adding accents/diacritics (just left from backspace) acts strangely - it should "do nothing" upon pressing, and then when character key is pressed right after it, it should output that character with accent/diacritics. However, in most programs, pressing it once results in immediately outputting the accent itself twice (which under normal circumstances happens when you press the key twice). This issue doesn't happen in Visual Studio or any program I make in it, and Pidgin, it seems to happen everywhere else (firefox, notepad, MS OneNote, Windows Explorer itself). I am not aware of any software installations, driver changes or system updates between the time it worked properly and the time when it broke. What could be the problem and how do I solve it?

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  • Minimize useless tweaking of a numeric app

    - by Potatoswatter
    I'm developing a numeric application (nonlinear optimizer), with a zillion knobs to tweak and rising. It's not my first foray into this domain, but this time there are even more variables in the code and I'm on a tight schedule. Don't want to waste time fiddling. Days or even months can potentially be wasted adjusting variables, recompiling, and reprocessing benchmark datasets. The resulting data is viewed and trouble spots are checked. The overall quality of the solution is reported by the program but the meaning of the report could change over time. (Numeric units for the report are one thing I'm trying to nail down.) One main problem is organizing result files to identify each with specific code changes. Note taking can be a pain, is there software to help with this? Are there agreed best practices to making this kind of development cycle reliably move forward? The solver package converges to its optimal solution with mechanical determination, but I'm all too familiar with the way an excess of design decisions can mire development.

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