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• Start your journey into Big Data with the Oracle Academy today!

  - by KLaker

   Big Data has the power to change the way we work, live, and think. The datafication of everything will create unprecedented demand for data scientists, software developers and engineers who can derive value from unstructured data to transform the world. The Oracle Academy Big Data Resource Guide is a collection of articles, videos, and other resources organized to help you gain a deeper understanding of the exciting field of Big Data. To start your journey visit the Oracle Academy website here: https://academy.oracle.com/oa-web-big-data.html. This landing pad will guide through the whole area of big data using the following structure: What is “Big Data” Engineered Systems Integration Database and Data Analytics Advanced Information Supplemental Information This is great resource packed with must-see videos and must-read whitepapers and blog posts by industry leaders.  Enjoy Technorati Tags: Big Data, Data Warehousing, Oracle, Training

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• How do I run my XBOX XNA game without a network connection?

  - by Hugh

  I need to demo my XBOX XNA game in college. The college doesn't allow this type of device to connect to the network. I deployed my game to the Xbox and it is sitting in the games list along with my other games. It runs fine with a network connection but when its offline it comes up with an error message saying its needs a connection to run the game. This makes no sense, the game is deployed on the Xbox memory, it must be some security policy or something! Is there any way around this? The demo is on monday!

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• Is it possible to run the GNOME user manager from XFCE4?

  - by Chris Moore

  If I run 'gnome-control-center' and click on the 'User Accounts' icon, the gnome-control-center crashes. I built it from source to see what's going on, and it turns out it's doing a if (strcmp(getenv("XDG_CURRENT_DESKTOP"), "GNOME")) in panels/user-accounts/um-password-dialog.c, line 690. I don't have an environment variable "XDG_CURRENT_DESKTOP", so the getenv is returning NULL, and the strcmp is segfaulting Where is XDG_CURRENT_DESKTOP meant to be defined? And shouldn't gnome-control-center check the pointer returned by getenv before passing it to strcmp? Does xfce4 have its own 'User Accounts' tool for creating new users?

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• How do I start xterm with a headless system?

  - by NeViXa

  I'm running Ubuntu 12.04 and I want to boot directly and headless in the terminal (no GUI). After that I want to startx to start a program in xterm. When I boot 'headed', everything is working like supposed to, but: - When I boot headless, startx is not working (no screens found) I already tried to change xorg.conf to below, but it didn't not work: Section "Device" Identifier "VNC Device" Driver "vesa" EndSection Section "Screen" Identifier "VNC Screen" Device "VNC Device" Monitor "VNC Monitor" SubSection "Display" Modes "1280x1024" EndSubSection EndSection Section "Monitor" Identifier "VNC Monitor" HorizSync 30-70 VertRefresh 50-75 EndSection How can I boot headless and still be able to run startx? ANSWER: Adding the BusID to the Devices section in the xorg.conf above, fixed the problem for me. BusID "PCI:1:00:1"

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• Where is a good spot to start when writing a LWJGL game engine?

  - by Alcionic

  I'm starting work on a huge game and somewhere along my train of thought I decided it would be a good idea to write my own engine for the game. I was originally going to use JMonkeyEngine but there were some things about it that just didn't work well with me. I wanted full control over every aspect of the entire process. Where would a good place to start be when writing your own engine? I have no experience with LWJGL but I learn quick. Either advice or some place where there is good advice would be nice. Thanks!

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• Q&amp;A: Does it make sense to run a personal blog on the Windows Azure Platform?

  - by Eric Nelson

  I keep seeing people wanting to do this (or something very similar) and then being surprised at how much it might cost them if they went with Windows Azure. Time for a Q&A. Short answer: No, definitely not. Madness, sheer madness. (Hopefully that was clear enough) Longer answer: No because It would cost you a heck of a lot more than just about any other approach to running a blog. A site that can easily be run on a shared hosting solution (as many blogs do today) does not require the rich capabilities of Windows Azure. Capabilities such as simplified deployed and management, dedicated resources, elastic resources, “unlimited” storage etc. It is simply not the type of application the Windows Azure Platform has been designed for. Related Links: Q&A- How can I calculate the TCO and ROI when considering the Windows Azure Platform? Q&A- When do I get charged for compute hours on Windows Azure? Q&A- What are the UK prices for the Windows Azure Platform

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• How to copy existing movie files on ipad to watch?

  - by Rob Van Dam

  I have an iPad and a desktop running Ubuntu 12.04 with lots of movie files of various formats (avi, mp4, m4v, etc). Is it possible to transfer those files from within linux directly to the iPad (without using iTunes to sync) over USB and then play those movies on the iPad without reformatting/resizing all of them? I've used iTunes in a Windows XP virtualbox instance with other iOS mobile devices before but I would prefer a pure linux approach if possible. (I'm creating this question so that I can share the solution I found because I failed to find a simple, satisfactory answer elsewhere).

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• How can i run my .LÖVE game directly from the lua interpreter?

  - by jonathan

  I've just started with LOVE and LUA , i'm interested in LOVE because i want to play around with something different from my dayjob(i'm a webdeveloper) and since it uses LUA and is interpreted , i though it would be a great way to try out the API. but i couldn't find how to run my .LÖVE game directly from the lua interpreter? i'm finding it bothersome to package the game each time i make a little test with the API. since i couldn't find the answer i'm asking, but maybe i'm serching for the wrong terms, if this it is a simple matter like "import the library" or set the global, i'll gladly remove my question.

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• Is it possible to install and run Thunar 1.5.1 in Lubuntu 12.04?

  - by cipricus

  I hear that a new Thunar (with tabs!!) is ready - see this. I have added the PPA and run the update and upgrade commands but I still have Thunar 1.2.3 In Synaptic, Thunar looks ready for upgrade: It asks to uninstall some XFCE stuff that I might hope to reinstall later but then something is fishy Is this new version limited to the Xfce desktop? Also, now, when I try Update Manager, I get this: and ...unless I remove the xubuntu-dev/xfce-4.12 PPAs. So, removing Thunar in Synaptic and all that seems related to it, and then adding those PPAs, and trying to install Thunar, the following info emerges: What is to be done?

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• Where Do You Start Your Day: Facebook Or E-Mail?

  - by Gopinath

  EMails and Facebook are integral part of our digital lives. But where do we start our daily digital life can tell a lot about us, says a research firm. According to a research People who check email first tend to be motivated to interact with brands online for the sake of obtaining deals, promotions, or new product information People who initially check Facebook tend to become fans of brands for entertainment purposes or to show support-not to obtain deals. They’re more likely to seek promotions through email. Here is an info graphics that gives insights where is the first place go on net You can read more finding of the research over here Join us on Facebook to read all our stories right inside your Facebook news feed.

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• Why do Core Data sqlite table columns start with 'Z'?

  - by Dia

  I was looking at the sqlite table that Core Data generates and noticed that all table columns start with 'Z'. I realize this is an implementation detail, but I was curious as to why that's the case and if there was a design decision involved in this. Anyone happen to know or guess why? Here's a sample schema output of Core Data sqlite database: sqlite .schema CREATE TABLE ZPOST ( Z_PK INTEGER PRIMARY KEY, Z_ENT INTEGER, Z_OPT INTEGER, ZPOSTID INTEGER, ZUSER INTEGER, ZCREATEDAT TIMESTAMP, ZTEXT VARCHAR ); CREATE TABLE ZUSER ( Z_PK INTEGER PRIMARY KEY, Z_ENT INTEGER, Z_OPT INTEGER, ZUSERID INTEGER, ZAVATARIMAGEURLSTRING VARCHAR, ZUSERNAME VARCHAR ); CREATE TABLE Z_METADATA (Z_VERSION INTEGER PRIMARY KEY, Z_UUID VARCHAR(255), Z_PLIST BLOB); CREATE TABLE Z_PRIMARYKEY (Z_ENT INTEGER PRIMARY KEY, Z_NAME VARCHAR, Z_SUPER INTEGER, Z_MAX INTEGER);

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• How do I start working as a programmer - what do I need?

  - by giorgo

  i am currently learning Java and PHP as I have some projects from university, which require me to apply both languages. Specifically, a Java GUI application, connecting to a MySQL database and a web application that will be implemented in PHP/MySQL. I have started learning the MVC pattern, Struts, Spring and I am also learning PHP with zend. My first question is: How can I find employment as a programmer/software engineer? The reason I ask is because I have sent my CV into many companys, but all of them stated that I required work experience. I really need some guidance on how to improve my career opportunites. At present, I work on my own and haven't worked in collaboration with anyone on a particular project. I'm assuming most people create projects and submit them along with their CVs. My second question is: Everyone has to make a start from somewhere, but what if this somewhere doesn't come? What do I need to do to create the circumstances where I can easily progress forward? Thanks

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• Which tools helps to start Ubuntu GUI when boot?

  - by Vimal Kumar

  I am on the way to create a Live CD from scratch. I used Virtual Box for this purpose. I installed Ubuntu base from ubuntumini.iso and installed gnome-shell. And installed Remastersys and created a backup.iso. Burned in a CD and boot from a PC. It end in CLI. Not lead to GUI. I tried the same ISO in VirtualBox. But it work properly there. I think I missed some packages which help to start GUI. Can you help me to identify the packages missed to include in the CD?

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• How can I run Tellme more software on Ubuntu 14.04 LTS?

  - by Alex Walker

  I'm new to Ubuntu and I've been loving it so far, I have it on my 2 computers and I think everyone should try it. I run an English Laboratory in a University (Our PC's are old and slow) so I want to install Ubuntu on all of them so the students can have a better experience here, the problem is tha we NEED Tell me more Software which I believe it's only for windiws. How can I install it in ubuntu? do I need wine or a virtual machine with Windows? please help! and thank you so much!!

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• How to set up offline manifest for a web app to run in Safari in iOS?

  - by ahmd1

  I'm currently trying to set up an offline.manifest file for my web app to be used offline on an iOS device. For testing purposes I have a very simple HTML page that I'm trying to add to a home screen. I'm testing it on a live iPhone 4, but after the page is added to the home screen and I put the iPhone in the airplane mode and try to start my web app I get this error: "Turn Off Airplane Mode or Use Wi-Fi to Access Data" and then if I click OK I get: "Cannot Open Web App Name" "Web App Name could not be opened because it is not connected to the Internet" The following is added to the HTML file: <!DOCTYPE html> <html lang="en" manifest="scrts/offline.manifest"> and the offline.manifest is composed as such: CACHE MANIFEST ../pics/bkgnd_iphn_settings.png ../pics/mbl_btn_fb.png ../pics/mbl_btn_twt.png ../pics/icon_57_57_bg.png ../pics/icon_72_72_bg.png ../pics/icon_114_114_bg.png ../pics/icon_144_144_bg.png ../pics/splash_320_460_bg.png ../pics/splash_768_1004_bg.png ../pics/splash_1004_768_bg.png I got all instructions on composing it from here I also adjusted the .htaccess file to add this line: AddType text/cache-manifest .manifest Any idea what am I not doing right?

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• Why ubuntu 13.10 always show "access prompt" when start?

  - by Davuz

  After my Ubuntu PC update from 13.04 to 13.10, when start up, an access prompt always show and ask me password for "[email protected]". I was input password for email or another services, which registed with "[email protected]", but it's still "incorect". I can close but next time, it appears again. It never appeared before 13.10. What is application show that prompt? How can I turn off this? Here is access prompt?

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• Can I run Ubuntu Live from a USB flash-drive without destroying the data on it?

  - by Lucian

  I already have a number of files on a flash drive (8 gb) that I would prefer to keep, but I would like to try Ubuntu even if merely for the aesthetics. I use Windows XP. I know that it's definitely possible to run Ubuntu from a bootable drive like my flash drive to try Ubuntu but I would much rather keep my files intact not only on my flash drive but also my hard drive, if that's possible. I also want to know if it's entirely possible that while running Ubuntu from the USB if I can switch back to Windows while my computer is still on. If I'm missing something, please let me know. I'm very grateful for any assistance in this matter.

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• How do I run Cisco Packet Tracer 6.0.1?

  - by user186296

  I have a problem running Packet tracer 6.0.1 on Ubuntu 13.04. I have a downloaded file from Cisco Netspace - this file had not extension. I added the extension tar.gz to this file and I could unpack it to a location with other folders and files, there was a file install too. This was a .bin file and I used sudo chmod +x on this file and I used ./filename and installation has been launched I had to accept licence and so on. After successfully installation I tried to launch Packet Tracer and nothing happened. Please help me, how can I correctly install and run Packet Tracer. Note that I'm new in using Linux.

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• Netbeans IDE did work after installation, but doesn't start after restart.

  - by ubuntumazze

  i installed Netbeans on Ubuntu 11.10 following these instructions: http://pasindudps.blogspot.com/2011/10/installing-netbeans-ide-in-ubuntu-1110.html. It worked perfectly fine (creating projects, open projects, compile, run...) but after restarting netbeans started normally and it is shown as a running application in unity-panel but I can't access the programm. I uninstalled and reinstalled it, it worked once but failed after restart. Has anyone an idea what might be the problem here? Thanks in advance. Regards

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• Where to start, to develop an online Backgammon game?

  - by Matt V.

  I would like to develop a backgammon game to play against other players online, as a way of learning more Javascript/jQuery and a little game development. I'm a web developer and most of my experience is in PHP. I have minimal Javascript experience and no game development experience. Where should I start? Are there any particular books, tutorials, libraries, or frameworks that would help give me a jumpstart? As a beginner, am I better of using the DOM or Canvas?

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• E-learning, VPN décentralisé et voitures connectées gagnent le concours de start-ups de l'Epitech : bravo aux jeunes développeurs

  E-learning, VPN décentralisé et voitures connectées gagnent le concours 2012 de start-ups de l'Epitech Créées par de jeunes développeurs Chaque année, l'Epitech organise un concours de création d'entreprise (baptisé EIP) auquel participent ses étudiants en 4ème et 5ème année. Le but est de leur mettre le pied à l'étrier et de leur faire toucher du doigt tous les impératifs (marketing, communication, partenariat, etc.) qu'ils seront amenés à gérer dans le monde du travail et des affaires. A la clef, en moyenne 15% des étudiants deviennent de « vrais » entrepreneurs. Pour l'école il s'agit évidemment d'une formidable vitrine pour rappeler que l'esprit d'initiative est au coeur de sa pédagogi...

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• Where does a file copy to when I scp it?

  - by user2413

  Hi forum, i have this file myfirst.txt located on a cluster of computers down the hall, i.e.: myname@login1:~> ls myfirst.txt which i want to download to the home directory: scp [email protected]:myfirst.txt . to which i get: myfirst.txt 100% 1828 1.8KB/s 00:00 now where (on my home computer) is this myfirst.txt file ? i can't find it. It's not visible when i click 'show hidden files' either. Tia,

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• Unable to start GRUB2 on Triple boot Macbook Pro with OS X Lion, Windows 7 and Ubuntu

  - by Shravan

  I installed Windows 7 using Bootcamp. Then I created a partition from the empty space in the Windows partition and another 4GB partition for the linux swap using GParted. I installed Ubuntu 12.04 LTS in the the newly created partition from the Windows partition. Now GRUB2 does not load and I can only see the blinking cursor on the top right when selecting "Windows HD" from the 'option' key at the start up. OS X works fine but nothing else. Could someone please help me fix this? I am attaching the boot-info from the boot-repair tool. http://paste.ubuntu.com/1040169/

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• Trying to turn an old computer into a server. Where do I start?

  - by Stanton.Sculpture

  My old computer is a mac powerbook g4 that I am considering turning into an Ubuntu Server for my house of eight to share movies and music and whatever. I've never even thought about doing this kind of stuff before so I don't even know where to start. Can someone point me in the right direction? My Concerns: Most of my house mates have macs. Will there be compatibility issues? Can I make it a wireless network? My old powerbook g4 might not have the balls. Money Thanks!

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• Dell M6800 with Windos 8.1 on part-1, cannot run if Ubuntu and Fedora are 2nd and 3rd OSsen?

  - by user289334

  On a Dell M6800 machine that has Windows 8 pre-installed, I upgraded to 8.1, then I loaded Ubuntu 14.04 then Fedora 20 the only way I could, that is in "Legacy" BIOS Mode. BTW the Ubuntu install was unable to complete but Fedora did, and left all working, 2 bootable OSsen, with Grub2 from Fedora doing the boots, but Windows 8.1 is now "invisible". I have run Boot-Repair but info is not useful. It tells me to switch to UEFI which, on M6800, doesn't work with this (too long-winded to explain why here). I need to have the Grub2 configs "see" the original Windows 8.1 partition, with BIOS switched to "Legacy". BTW various posts have said make switch to UEFI to boot from, say, USB-stick or DVD; this is wrong, you can't - UEFI mode only allows boot from the Windows partition, which it says has a Windows 8.1 on it, which doesn't boot. Basically, if you have actually succeeded in loading Ubuntu 14.04 or Fedora 20 on an M6800, which comes with pre-loaded Windows 8, you will know how I fix this.

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