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• JavaOne Latin America Call for Papers Deadline Extended

  - by Tori Wieldt

  It may have gotten lost in the JavaOne San Francisco noise, but the JavaOne Latin America call for papers deadline has been extended to this Friday, October 12, at 11:59 pm local time.? We invite you to submit a paper to present at the JavaOne Latin America 2012 conference. We are looking for submissions from the community to present to the Latin American Java developer community in the following tracks: Core Java Platform JavaFX and Rich User Experiences  Java EE, Web Services, and the Cloud Java ME, Java Embedded, and Java Card Speakers on accepted submissions will receive a complimentary pass! The pass provides access to all conference sessions. (Acceptance of the pass must be in compliance with the policies of your employer, including conflict, ethics and gift policies. Oracle employee speakers do not qualify.) We look forward to hearing from you.

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• Begginer help: where to begin

  - by shad

  I want to learn how to program. A main stream programming languages like Java, C++/C# is my primary target. Current, i am a high school student and planning to take programming, Digital electronics courses next semester. My biggest problem is that I do not know where to start and I have no one to consult with. Should I take a course at my local community college this summer? and get some books or try learning from some internet websites? What would be the best option a book or website?

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• Is age a factor when looking for internships? [closed]

  - by user786362

  Possible Duplicate: Is it ever too old to learn how to become a programmer? I'm 30 years old going back to school for a 2nd degree in Computer Science. I will be transferring to my local state university this fall and would like to know if my age will be a factor when applying for internships. I have already read a few threads about age and careers: Is it too late to start your career as a programmer at the age of 30? Does it matter that you started developing at 26? While it is reassuring to know that people are getting entry-level programming jobs at 30+, what about internships? Should I even bother with bigger companies like Google, Microsoft, or Apple? I know we have laws against age-discrimination but lets not pretend we live in a perfect world where everyone follows the rules.

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• EC2 Auto-Scaling with Spot and On-Demand Instances?

  - by platforms

  I'm looking to optimize the cost of our auto-scaling EC2 groups by having them launch spot instances instead of on-demand instances. What I really want is to be able to keep some servers in the group as on-demand instances, regardless of what happens to the spot instance pricing market. Then I want any additional servers in the group, above my configured minimum, to be spot instances. I'm generally OK with the delay in adding servers via spot requests. I can't seem to find any way to do this and I've tried to scour the AWS documentation. It appears that an ASG can either be on-demand or spot, but not a hybrid. I could possibly manually add an on-demand instance to the Elastic Load Balancer assigned to the auto-scaling group, but then the load of that server would not be factored into the auto-scaling measurements and triggers. I suppose I could enter a ridiculously high bid price in order to ensure that I always get the servers I need, but then I look at the pricing history and see occasional large spikes. The AWS documentation is at odds with itself, since in one place it says that if you enter a server minimum, that number is "ensured" to be there. But then when you read about spot instances, there are no assurances. The price differential for spot is compelling, so I'd like to leverage that as much as I can while still maintaining an always-on baseline. Is this possible?

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• New Oracle Cloud support in OEPE

  - by gstachni

  Oracle Enterprise Pack for Eclipse 12c (12.1.1.1.1) includes updated support for development with the Java Cloud Service. Users can now do iterative development against their Java Cloud Service instance in addition to testing against local and remote WebLogic Server installations. Some details of the cloud tools are below: Templates and wizards to create projects and server configurations for Oracle Java Cloud Service Develop applications to run and deploy to the cloud, including Oracle ADF. Check cloud server runtime and deployment logs in new log analyzers Test applications before deployment with integrated whitelist scans. Whitelist tools support as-you-type validation, project build validation, and on demand scans to highlight coding violations. Errors are reported in application source, the Problems view, and a new Whitelist violations view. Access the Oracle Public Cloud administrative consoles directly from within Eclipse.

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• Microsoft met en garde contre l'exploitation de failles de sécurité dans Office et recommande d'effectuer au plus tôt la mise à jour de sécurité

  Microsoft met en garde contre l'exploitation de failles de sécurité dans Office Et recommande d'effectuer au plus tôt la mise à jour de sécurité Microsoft alerte sur une nouvelle vulnérabilité jugée critique dans le traitement de texte Microsoft Office Word. La faille permet l'exécution de code distant si un utilisateur ouvre ou pré-visualise un e-mail contenant des données RTF. L'exploitation de cette faille permet à un pirate d'obtenir les mêmes droits d'utilisateur que l'utilisateur local. La vulnérabilité avait déjà été corrigée dans un bulletin de sécurité (Pacht Tuesday) émis par Microsoft en novembre dernier. Mais une nouvelle exploitation de celle-ci sur internet v...

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• How to debug JavaScript in Visual studio 2010

  - by anirudha

  here is a little trick to debug the JavaScript inside Visual studio or express edition of VWD get all included office updates  from Microsoft updates install them. enable the script debugger for IE or others inside internet explorer go to IE > internet options > advance > browsing open a website in Visual studio or express put the breakpoint in JavaScript code and run them after setting as default browser internet explorer. when the breakpoint function called he automatically show you all about the code you breakpoint. you can also change them and find the result in browser. for advance debugging their are many option already known in visual studio work same as C# debugging like Advanced Window, Local  , watch you can use all these 3 window for JavaScript debugging.

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• Game getting progressively laggier?

  - by Valentin Krummenacher

  I have a small game in HTML5 that uses socket.io to communicate with a node.js server. Now my problem is that, eversince I did my last update on it it seems to have something "chunk up" in the background making it laggier and laggier the longer it runs. In the update were a few temporary local variables being defined with var(you know, variables that are only used during one function and then not needed anymore) alongside with alot of other changes, and I am not even sure if this update or something else is causing this. Might the "var" have caused it? Or what other reasons might this strange complication have?

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• Is it better to always copy and delete, rather than move?

  - by nbolton

  Generally speaking, I find myself panicking when I realise that if I cancel a file move, it could cause the target or source to be incomplete. This question applies to Windows and Unix-based platforms. I can never remember exactly how the move command works in either case. For example, if you're moving a directory; does it copy the entire directory, then delete it after, or does it copy then delete each file individually? I always realise after typing something like, mv verybigdir dest that I really should have typed cp -R verybigdir dest && rm verybigdir (where the && operator only moves to the next command if the first was successful) -- or is this pointless? What happens exactly when I press Ctrl+C half way through a move? Likewise, what exactly happens on Windows when I press the cancel button? I can't count the number of times I've moved something (the last time was when using svn) and had two directories, with split contents. I guess the answer is difficult, because not all applications move groups of files in the same way.

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• Wireless doesn't connect in Ubuntu 10.04 Lxde

  - by David

  Problem I have a Dell mini 9, and the wireless has worked without trouble in Ubuntu and Xubuntu versions 8.04 and 10.04. However, after installing lxde, the wireless doesnt connect. Network manager recognizes the local networks, and will say that it is connected, but ifconfig does not confirm the connection or the existance of a wlan0. I have another Ubuntu 10.04 notebook that works fine. My wireless device is Broadcom BCM4312 802.11b/g What I have tried I have tried to remove and install network-mananager and inxi but neither work, and sudo modprobe wl returns WARNING: All config files need .conf: /etc/modprobe.d/blacklist, it will be ignored in a future release.

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• Driven2Distraction &ndash; New South African Developer Podcast

  - by MarkPearl

  For those out there that are interested… I am now one of the hosts of the Driven2Distraction podcast. Being a fan of podcasts like .Net Rocks and Hanselminutes for years now, I have always wanted to be involved in the recording of a podcast and now that time has finally come. What makes the Driven2Distraction podcast different from all the others out there is its uniquely South African flair. It’s focus is towards Software Development in the Southern Africa – and has a mix of “what happening locally” episodes as well as proper “interview style” episodes of local developers and visitors from overseas. If you are interested you can follow the show on twitter on @d2dpodcast or visit the site

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• Fixing a broken toolbox (In Visual Studio 2010 SP1)

  - by mbcrump

  I was recently running into a situation where every time I opened Visual Studio 2010 SP1, the following message would appear for about 60 seconds or so: "Loading toolbox content from package Microsoft.VisualStudio.IDE.Toolbox.ControlInstaller.ToolboxInstallerPackage '{2C98B35-07DA-45F1-96A3-BE55D91C8D7A}'" After finally get fed up with the issue, I started researching it and decided that I’d share the steps that I took to resolve it below: I first made a complete backup of my registry. I then removed the following key: [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\10.0\Packages\{2c298b35-07da-45f1-96a3-be55d91c8d7a}] I went to the following directory: C:\Users\Your Name Here\AppData\Local\Microsoft\VisualStudio\10.0\ and created a folder called bk and moved the .tbd files to that folder (they are hidden so you will have to show all files). I then removed the .tbd files in the root directory. I then launched Visual Studio 2010 SP1 again and it recreated those files and the problem was gone. Anyways, I hope this helps someone with a similar problem. I created this blog partially for myself but it is always nice to help my fellow developer.  Thanks for reading. Subscribe to my feed

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• Google Apps Domain Level Shared Contacts?

  - by dkirk

  My firm just switched to Google Apps Premiere addition 2 weeks ago and aside from the way Google handles shared contacts, things are going quite well. Previously, on our Exchange server we had numerous shared contact lists set up in the shared folders. We had a separate list for vendors, sales agents, etc.. Is there not a way to set up lists or groups such as this on the domain level in Google Apps? I have found a ton of forums with users asking the same question but no good answers unless you purchase some third party app in the marketplace. I have toyed around with the "google-shared-contacts-client" here: http://code.google.com/p/google-shared-contacts-client/ and this almost does it but it falls short when trying to group contacts on the domain level or when trying to search for a contact by company name. Are either of these things possible? I am now looking to create a Google Doc spreadsheet to share with the domain just to have a separated defined list of contacts that is search-able by various fields... Anyone who could shed some light on domain level contact sharing relating to the points above, I would be most grateful...

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• How to secure a group of Amazon EC2 instances

  - by ks78

  I have several Amazon EC2 instances running Ubuntu 10.04 and I've recently started using Amazon's Route 53 as my DNS. The purpose of doing that was to allow the instances to refer to each other by name rather than private IP (which can change). I've pointed my domain name (via GoDaddy) to Amazon's name servers, allowing me to access my EC2 webservers. However, I noticed I can now access the EC2 instances which I don't want to be public, such as the dedicated MySQL Server. I was thinking Amazon's Security Groups would still be in effect when using Route 53, but that doesn't seem to be the case. Before I started using Route 53, I was thinking of having one instance run a reverse proxy, which would help protect the web servers behind it. Then IP-restrict all the other instances. I know IP restricting can be done using the firewall within each instance, but should I ever need to access them from another IP address, I'd need a way in. Amazon's control panel made it a breeze to open a port when necessary. Does anyone have any suggestions for keeping EC2 instances secure, but also accessible to their administrator? Also, what's the best topology for a group of EC2 instances, consisting of web servers and a dedicated database server, from a security perspective? Does having a reverse proxy server even make sense?

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• Is there a way I can sort traffic by page-type based upon URL structure in Google-Analytics or Google Webmaster Tools??

  - by Felix

  I have a local business directory site. I'm trying to segment my incoming traffic by page-type such that i can find out what percentage of traffic is going to zip code pages exclusively and what percentage is going to city/state level pages. I basically want to filter by URL structure to find out what percentage of total traffic zip code pages account for. The reason for doing this is to find out if Does Google Tag Manager help with this? Here are the two URL paths: http://www.example.com/ny/new-york/10011/ http://www.example.com/ny/new-york Thanks all!

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• Final steps in installing Matlab2012 on Ubuntu 12.04

  - by Mattia

  I have a problem with the MATLAB 2012 installation. After having installed it using alt+f2 and having used gksudo nautilus I have installed MATLAB in the correct folder which is: /usr/local/MATLAB/R2012a Then I inserted the license and the window told "activation complete" or something like that. This made me happy, but only for a while because as soon as I try to search for Matlab within the applications I cannot find it and neither if I try to run matlab into terminal it says: command not found Can someone help me!? Tanks in advance!

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• JDK 8 install in ubuntu

  - by maamaa

  I'm tring to install jdk 8 for weeks, but it fails.Following are some outputs, sudo update-alternatives --config java There is only one alternative in link group java (providing /usr/bin/java): /opt/java-oracle/jdk1.8.0/bin/java Nothing to configure. which java /usr/bin/java java bash: /usr/local/java/jdk1.7.0_51/bin/java: No such file or directory ls -l /usr/bin/java /usr/bin/java -> /etc/alternatives/java ls -l /etc/alternatives/java /etc/alternatives/java -> /opt/java-oracle/jdk1.8.0/bin/java sudo update-alternatives --config javac /opt/java-oracle/jdk1.8.0/bin/javac 1 manual mode javac Error: could not find libjava.so Error: Could not find Java SE Runtime Environment. If you can please give me a help to slove this problem. Thank You

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• Freelancers do you charge for going on site to do work?

  - by user35072

  I'm currently new to freelancing as a programmer and need to work what some of the "norms" are without making myself look like an amateur. I've already won some work from a local company doing C# development and already quoting an hourly rate for some work that i am doing from my office. However on one upcoming project I've been asked to come on-site (client office) to work a full week. Is it reasonable to charge more than my regular hourly rate for working on site? And how should i justify the extra charges?

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• Windows 8 : tout savoir sur le compte utilisateur connecté et ses différences avec un compte Windows classique

  Windows 8 : tout savoir sur le nouveau compte utilisateur connecté Et ses différences avec un compte Windows classique Le grand public risque d'être un peu perdu en lançant Windows 8 pour la première fois. Pas tellement avec la nouvelle interface (ex-Metro) qui sert de menu « Démarrer » (même si elle déroute un peu au début). Mais parce qu'avec le nouveau système de Microsoft, le "Cloud" devient une réalité plus que concrète. Dès le lancement, le système demande en effet de choisir entre un compte local ? à l'ancienne ? et un compte connecté. Nous ne reviendront pas sur le premier choix - un compte classique comme dans Windows 7, Vista et XP. ...

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• NDR for meeting requests

  - by Adam

  We've got a mailbox for each department (e.g [email protected] and [email protected]) and everyone in that department has access to it, access is granted using Exchange Management Console. If I send a calendar invite to [email protected], I get a Undeliverable report: Delivery has failed to these recipients or groups: User_A The e-mail address you entered couldn't be found. Check the address and try resending the message. If the problem continues, please contact your helpdesk. User_B The e-mail address you entered couldn't be found. Check the address and try resending the message. If the problem continues, please contact your helpdesk. User_C The e-mail address you entered couldn't be found. Check the address and try resending the message. If the problem continues, please contact your helpdesk. The users are no longer in AD or Exchange but we cannot find any mention of them within any deligates or permissions anywhere. We only started to get this problem AFTER we upgraded our DCs from Windows Server 2003 to Windows Server 2008 and Exchange server from Windows Server 2003, with Exchange 2005 to Windows Server 2008, with exchange 2010.

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• How do I read my PDFs and watch videos properly again?

  - by asp

  Whenever I watch videos, either online of local via Totem and/or open PDF files using evince. The system gets really, really bogged down. All apps get really slow, menus take forever to display, switching windows gives me time to make a coffee, etc. I have a couple of bug reports open on this, but what do I need to do to really troubleshoot the issue? I've purged Adobe Flash from the system, but YouTube HTML5 videos still have the issue. A bunch of PDFs saved locally trigger the problem. And to (temporarily) remove the slowness, I need to shutdown the computer, breath for a few minutes, then restart. A simple reboot does not do the trick. How can I identify the cause? This only started on 13.04. I've had Ubuntu on this machine for a year without a problem until "upgrading" to 13.04. I am not a programmer, but I suspect an issue with the Intel video driver.

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• Ubuntu 13.10 - How to disable LVM and cryptsetup? cryptsetup: evms_activate is not available

  - by NeverEndingQueue

  I am trying to remove whole drive encryption from my Ubuntu installation. I've run Ubuntu from Live CD, mounted crypt partition and copied it to another partition /dev/sda3. sudo cryptsetup luksOpen /dev/sda5 crypt1 sudo dd if=/dev/ubuntu-vg/root of=/dev/sda3 bs=1M After that I've run boot-repair: https://help.ubuntu.com/community/Boot-Repair Added entry to /etc/fstab: UUID=<uuid> / ext4 errors=remount-ro 0 1 Of course I've replaced with blkid result of my /dev/sda3. I've also deleted overlayfs and tmpfs lines from /etc/fstab. (I've just compared it to content of /etc/fstab in non-encrypted Ubuntu installation and could not find overlayfs and tmpfs). I've chrooted from LiveCD into my system and rebuilt initramfs: http://blog.leenix.co.uk/2012/07/evmsactivate-is-not-available-on-boot.html I've also removed cryptsetup using apt-get remove. Basically I can easily mount my system partition from Live CD (without setting up the encryption and LVM stuff), but can not boot from it. Instead I see: cryptsetup: evms_activate is not available When I've chosen the Recovery mode I've seen this: Begin: Mounting root file system ... Begin: Running /script/local-top ... Reading all physical volumes. This may take a while ... No volume groups found cryptsetup: evms_activate is not available Begin: Waiting for encrytpted source device ... My /etc/crypttab is empty. I am pretty sure that system tries to find encrypted partition, search for LVMs etc. Do you have ideas what could be the problem or how can I fix it? Thanks

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• Remote Desktop between Ubuntu Machines

  - by user19192

  My desktop and my laptop are connected to the same router. I want to be able to remote login from my laptop to my desktop. Laptop is 12.04 and desktop is 12.10. I tried putting xrdp on my desktop, but remmina wouldn't work with it. I also tried the default screen-sharing, but it was very slow. Also tried rdesktop but it was very slow. I am on 12.10, FreeNX looks like a good option but they don't have a 12.10 release. And when I tried to install the 12.04 release, I got errors about dependencies missing. How can I get local-feeling remote login speeds?

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• What is a good university for computer science and game development?

  - by DukeYore

  I am starting my computer science degree at a local community college in programming using C++. However, I will be transferring to a 4-year university. Does anyone have any insight on university programs? I know Cal State Fullerton has a degree with a minor in Game Development. however, is that as important as getting a degree from a really great school? If I could shoot for something like Cal Poly would that be better? Or even Stanford or SF State being so close to so many gaming companies up there in the Bay area?

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• backup dedicated server runing ubuntu 10.04 and plesk 11.01 prior to update os to uduntu 12.04

  - by timmob

  i would like to backup my dedicated server which is my web server hosting various sites and email, so that I can update the os to Ubuntu 12.04, and basically restore back to 10.04 if things go wrong. I have a local machine that I can install 12.04 onto an then I was going to rsinc between the two, but I am fairly clueless when it comes to linux. I can ssh into the remote server and gain root access. can anyone explain if i need to backup the whole server hard drive or just some of the files? Thanks Timmo.

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