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• Wifi works perfectly on Windows, but drops on Ubuntu

  - by alecRN

  I have a dual-boot computer with Windows XP on one partition and Ubuntu 10.10 on the other. In Windows XP I can connect to a hidden wireless network (WPA-PSK AES) perfectly, and I was finally able to install the driver for the adapter on Ubuntu (RNX-N180UBE, hardware id RTL8191SU). It works fine when I first boot the computer and log in, but then after a few minutes the network suddenly stops working completely. If I try to reconnect it, the network manager claims to have connected, but in actuality it's still down. At some points, I have been able to connect to a public network even while the private network didn't work, but that eventually wouldn't work at all either.

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• Ubuntu 13.10 - Black screen after logging in after installing nVidia drivers

  - by Javacow

  I recently installed Ubuntu 13.10 in a dual-boot with Windows 7, so I'm still quite new to using Linux. Most things were working fine, and I could log in normally (apart from the first login after install, which spent about 2 minutes on a black screen before going to the desktop). I installed the restricted Nvidia drivers with the command: sudo apt-get install nvidia-current Since then, after I enter my password and log in (the login screen itself works perfectly), I get a black screen with the cursor and nothing happens from that point onwards. Basically, what I would like to know is how to get back to the normal Ubuntu desktop and (hopefully) still be able to use Nvidia drivers.

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• Why dd is not a reliable command to write bootable .iso files to USB thumb drive?

  - by Samik

  As the answers here indicate Ubuntu .iso s are not expected to boot if copied with dd to a USB thumb drive. Now my question is why is so that some Linux distributions have the option to directly write their bootable .iso file to a thumb drive with dd but some (read Ubuntu) have not(for Ubuntu I think it has to be converted to .img first). Is it for some architectural difference in .isos? Or is it due to any limitation of dd itself?I don't know if it is off-topic here. I can move it to a more proper place if the community thinks so or suggests one. Some explanation would be appreciable.

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• ASP.NET MVC and Me in PragPub Magazine

  The June issue (also in pdf) of the online PragPub magazine, published by the Pragmatic Bookshelf has two articles on ASP.NET MVC. The first is called Agile Microsoft and is an introduction to ASP.NET MVC geared towards those whove never seen it. Its nice seeing ASP.NET MVC featured in this magazine which in its own words tends to cater to a non-Microsoft crowd. To some developers, Microsofts technologies are a given, the river they swim in. To others, not using Microsofts tools is the default....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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• Minerva in wine

  - by Klemik

  First of all, I've tried to install adobe air on ubuntu 13.10 64-bit without any success (yes, I've read the posts here, but none of them have helped (it's always some dependency that says "but it wont be installed"). Then I decided to try running it thru wine. Installed adobe air with no problems. Now the tricky part - how do I run it ? Adobe Air has only exes' to update itself, and the minerva has and .air extension. Ive tried even something like rundll32 Adobe Air.dll (with no success of course).

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• Do you think that in the future it'll be possible to develop games on OS X by using Python and the latest library "Sprite kit" made by Apple? [on hold]

  - by Cesco

  I don't understand a lot about game engines and modules for Python, even though I'm aware of the existance of PyGame and Pyglets, so please don't bash me too hard if I'll wrote something wrong in this question :-) When I upgraded my Mac to the latest version of OS X, I noticed for the first time that Apple is providing a library named Sprite kit for developing games on both iOS and OS X. It looks to me fairly complete, and the fact is managed by a big company gives me the impression of being well-supported for the time being; in summary, it looks... cool. Actually in order to take advantage of "Sprite kit" you need to code in Obj-C. Since I don't know Obj-C but only a little bit of Python, do you think that there's a chance that sooner or later someone will make a wrapper for Python ? Thank you very much and best regards

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• java or .net or xml, SOAP need carrer guidance

  - by s.nigam

  0 down vote favorite Share on Facebook Share on Twitter First of all let me thank you all for reading & devoting time for my question. I am developer with around 3.7 years of experience in .net. I recently discussed & visited some of the websites which states that java is better then .net, a I also discussed with some of the experience persons all suggested me to switch to java of course spring, struts etc. As Java developer is being paid high then .net one. I personally think I should go for web services SOAP, XML etc. thanks to all for response I also want to know if I can only move to webservices ex. WCF, SOAP, XML, XSLT etc. Kindly help me I am bit confused. Thanks

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• Sysprep a BizTalk Server VHD

  - by AbhishekLohani

  Hi All,   Sysprep creates a snapshot of a virtual machine with BizTalk Server 2010 installed for quick deployment on other virtual machines   Prerequisites Before using Sysprep, you should have some knowledge of using virtual machines with Hyper-V. You should also have a virtual machine with a clean, typical installation of BizTalk Server and all of its prerequisites. Sysprep will run on Windows Server 2008 and Windows Vista with SP1. Description Sysprep creates a VHD of a BizTalk Server 2010 installation (including the operating system and all prerequisites) for quick deployment on other virtual machines. An image created using Sysprep will choose a new computer name in order to join the domain the first time it starts. To get BizTalk Server running properly, it is necessary to update various instances of the computer name that are stored in the registry and databases. Please refer the Microsoft Links for Details :http://technet.microsoft.com/en-us/library/ee358636.aspx   Thanks Abhishek

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• Online Learning Library free BPM training for everybody partners, customers and freelancer!

  - by JuergenKress

  BPM Product Library - Special Topics Tab A portal to free resources to help you learn about Oracle BPM Employee Onboarding Process Accelerator Demo All organizations hire new employees, and helping new hires become productive immediately is important for the organization’s ROI and for the individual’s motivation as well. To do that, an organization needs to have a process in place to help determine what services the new hire needs, and to track that all of the activities needed to prepare for the new hire are performed on time. This video demonstrates how the Oracle BPM Employee Onboarding Process Accelerator helps ensure that new hires hit the ground running from their first day on the job SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Technorati Tags: BPM training,BPM education,process accelerator,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Single Responsibility Principle: Responsibility unknown

  - by lurkerbelow

  I store sessions in a SessionManager. The session manager has a dependency to ISessionPersister. SessionManager private readonly ISessionPersister sessionPersister; public SessionManager(ISessionPersister sessionPersister) { this.sessionPersister = sessionPersister; } ISessionPersister public interface ISessionPersister : IDisposable { void PersistSessions(Dictionary<string, ISession> sessions); } Q: If my application shuts down how / where do I call PersistSessions? Who is responsible? First Approach: Use Dispose in SessionManager protected virtual void Dispose(bool disposing) { if (disposing) { if (this.sessionPersister != null && this.sessionMap != null && this.sessionMap.Count > 0) { this.sessionPersister.PersistSessions(this.sessionMap); } } } Is that the way to go or are there any better solutions?

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• 12.04 usb install "boot error"

  - by kindahero

  I downloaded 12.04 64bit, I checked with md5. Seems okay. made bootable usb with usb creater. Now if try to boot up from live usb. I just get "boot error". Nothing else. nothing else. googled around. nothing comes out. UPDATE: some additional info. The usb manufacture is sony. it is fat32 partitioned. Most importantly I could install 12.04 on other systems by same usb. Yes, I definitely setup my Bios boot order to look for USB disk first.

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• how to modify another user's .profile from the recovery console?

  - by Pinpin

  Pretty much everything is in the title, really! ;) I installed a few components to compile go programs, and the last step was to add the go directory to the path. Being a total ubuntu noob, I added the line PATH="Path/To/Folder", after the one that was already there. After the first reboot I can no longer log into ubuntu (the screen black-out for a while and then I'm back to the login screen, and the same chime greets me.) I've been able to boot in recovery mode, open the root's profile with vi, but I cant find my other user's profile, nor pretty much anything.. Any hint would be greatly appreciated! Pascal

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• New 12.10 Install, Windows Not in Boot Menu

  - by Alex Samons

  I just installed Ubuntu 12.10 on my new computer alongside my previous Windows 7 installation. Upon booting for the first time (post install) my boot menu only lists Ubuntu. I installed using a liveCD, I had to set up my partitions myself because my Windows wasn't being detected (I set up the new partition out of free space on the drive.). I know Ubuntu did not overwrite my Windows because I can mount the Windows drive and access the files from here I also tried running boot-repair, as was recommended for people who didn't have Ubuntu showing up in the menu, but now I just have two different Ubuntu options. Still no windows. (if you require any additional data [logs, etc.], could you tell me how to find it, I am a bit new to this.) Any help is greatly appreciated, thank you.

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• Figuring out what object is closer to a certain point?

  - by user1157885

  I'm trying to create fog of war, I have the visual effect created but I'm not sure how to deal with the hiding of other players if they're within the fog of war. So right now the thing I'm trying to do is if another player is hiding behind a wall then not to render that player. I was thinking of doing it by sending a ray in the direction of all the players, and then creating a list of all the obstacles that ray collides with and then trying to figure out if an obstacle was closer than the player in order to predict the distance. But then I realized I'm not really sure how to figure out if the obstacle is infact closer or not because I have to account for all the dimensions, so I'm kind of stuck. First of all is this approach the correct way to go about it and secondly how would I calculate if the obstacle was infact closer taking into account the X Y and Z. Thanks

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• September issue of the Enterprise Manager Indepth Newsletter

  - by Javier Puerta

  The September issue of the Enterprise Manager Indepth Newsletter is now available here  Featured articles include: Oracle OpenWorld Preview: Don't-Miss Sessions, Hands-on Labs, and MoreBecause of the rapid and widespread adoption of Oracle Enterprise Manager 12c since its launch at Oracle OpenWorld 2011, conference organizers are expecting Oracle Enterprise Manager sessions to attract record crowds at Oracle OpenWorld 2012. Read More Oracle Cloud Builder Summit—Zero to Enterprise Cloud in Two HoursIn August, Oracle launched the worldwide Oracle Cloud Builder Summit series, an event where attendees learn firsthand how to plan, deploy, and manage an enterprise private cloud using Oracle Enterprise Manager 12c—all in a few hours. Read More WEBCASTS Reduce Database Testing Efforts While Maximizing ROIWatch this on-demand Webcast demonstrating how to manage database and system changes with confidence using Oracle Real Application Testing. Viewers will be among the first to hear results from Forrester Consulting's commissioned, multicustomer study, “Total Economic Impact of Oracle Real Application Testing.”

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• Why ~/.bash_profile is not getting sourced when opening a terminal in Ubuntu 11.04?

  - by Viriato

  Problem I have an Ubuntu 11.04 Virtual Machine and I wanted to set up my Java development environment. I did as follows sudo apt-get install openjdk-6-jdk Added the following entries to ~/.bash_profile export JAVA_HOME=/usr/lib/jvm/java-6-openjdk export PATH=$PATH:$JAVA_HOME/bin Save the changes and exit Open up a terminal again and typed the following echo $JAVA_HOME (blank) echo $PATH (displayed, but not the JAVA_HOME value) Nothing happened, like if the export of JAVA_HOME and it's addition to the PATH were never done. Solution I had to go to ~/.bashrc and add the following entry towards the end of file #Source bash_profile to set JAVA_HOME and add it to the PATH because for some reason is not being picked up . ~/.bash_profile Questions Why did I have to do that? I thought bash_profile, bash_login or profile in absence of those two get executed first before bashrc. Was in this case my terminal a non-login shell? If so, why when doing su after the terminal and putting the password it did not execute profile where I had also set the exports mentioned above?

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• Stuck at boot, both with wubi and USB

  - by Christoffer

  I have tried installing Ubuntu 12.04 through USB and with wubi interface. Nothing works. With USB, I will enter the main menu, doesn't matter what i choose, "install ubuntu on a hard drive" or "boot into ubuntu from USB". When I click on one of those it will scan my drives or something, and when it gets to the USB it gets stuck. It just stays there.... With wubi, the install goes fine, but when trying to boot for the first time to ubuntu it says "completing ubuntu installation"... NOTHING more happens, that cursor only blinks there. How can I get Ubuntu to work??? I got: 1TB HDD, 256GB HDD, 80GB SSD. I'm trying to install Ubuntu on my 256 GB HDD....

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• Rules of Holes #7: Some Will Look Down on You.

  - by ArnieRowland

  I've been extoling the Rules of Holes, hoping to give you both courage to get out of your Hole, and solace for having allowed yourself to get in a Hole in the first place. How about the others, the folks that see that you are up to your neck, the folks that could guide you out, the folks that are secretly glad that it is you down in the Hole instead of them. So this brings us to Rules of Holes #7: When you are in a hole, some will look down on you. Only a few will offer their hand, and of those,...(read more)

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• pulseaudio: no microphone configuration

  - by mitsch

  Updated Ubuntu to precise from oneiric on a Dell Inspirion Mini 10 (with an Intel HDA-Soundcard). I can't remember having any issues with the microphone. I didn't need it - I tried ekiga the first time in precise. I couldn't hear any sound in the echo test of ekiga, so I switched to the "System Preferences" and looked for the microphone to boost it. Surprisingly, the microphone input was greyed out - I couldn't mute or unmute, i couldn't even move the volume-slider. On the other hand: I could change the microphone-setting on console with alsamixer, so don't worry about that… :) I just wanted to ask, how to get pulseaudio back to the known, comfortable behaviour. Some newbies won't know the trick to use alsamixer… My soundcard (output of lspci): 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) Greets!

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• How do I optimize SEO in a multiblog WordPress install?

  - by user35585

  We are about to launch two product pages plus a corporate website. The goal is to keep a blog in all of the sites, but here it comes the question about how to do it in a way we get everything unified but do not mess with Google's web crawlers. We considered the following options: Putting a blog from which we retrieve two categories with custom CSS, so we have a blog that sub splits two category-dependent blogs; this way we can get the feeds and will point to it Putting two product blogs of which we retrieve their posts into a bigger, corporate blog Putting three independent blogs Despite I was for the first option, so we only have to address our content from the product pages, I would sincerely like to hear your opinion. We are afraid duplicate content or strange link games may make us lose PageRank. How would you do it?

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• Why can't dash search find a program by its full name?

  - by Peter De Maeyer

  For some applications, dash search comes up empty when searching by the application's full name. When typing the first couple of letters, it works. I wonder why... MuseScore is a fine example. When I search for "muse" in the dash search, MuseScore is found. When I search for "musescore", nothing is found. This behavior makes me distrustful of the dash search... I wonder how often it misses installed programs... I like to be able to trust the software tools I'm using.

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• Trouble updating metapackage

  - by jake

  I'm having trouble downloading xfce4 metapackage. I don't have a desktop yet just cmd line and this is my first time on linux. sudo apt-get install xfce4 brings back Unable to locate package xfce4 Does that with all packages, leads me to sudo apt-get update Leaves me with temporary failure resolving 'downloads-distro.mongodb.org' Read some solutions to fix this but it had me going in circles with no avail. Need to get this working from cmd prompt. So I'm having trouble updating and am lost here without a desktop client. If anyone can help that would be great.

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• How to give parallax backgrounds more depth

  - by user28015

  I have 3 tiled images of some sort of galaxy/space in the background of a 2D Game: The first one has an alpha of 100%, the second an alpha of 80% and the last one has an alpha of 60%. I scroll the the one in the background slower than the other ones of course. classic parallax. In the foreground I have some particles flying towards the player to simulate some dust / stars flying by. (I know that stars don't fly by, but I think we all have seen this in a lot of games). But I can't quite achieve the depth effect I am looking for. I want it to look "deeper". I did read something about using blending modes for the backgrounds, but that would require to render them as objects right? So the question is: What is a good technique to do a scrolling parallax background in GameMaker?

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• How can I use rhythm box and conky together?

  - by Ryuzaki

  I'm still fairly new at this and 12.04 LTS is my first hands on experience with Ubuntu all together. After spending a few weeks and trying to learn the in's and out's of the OS, I'm actually finding it easier to use in my off-time than Windows. However, my question today deals with the following: I need help in trying to pull information from Rhythm Box in order to display it using Conky. What I want is the following: » Album Title » Song Name » Artist » Album Picture Is there a way to pull these and display them so that they will change as the songs change? I tried my hardest but I'm still a noob when it comes to using terminal and coding.

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• Display Select in an ASP.NET DropDownList

  A purchaser of my book writes: I would like a drop down list to display the text: "-Select-" initially instead of the first value of the data it is bound to. Here you go   <%@ Page Language="VB" %> <script runat="server">...(read more)...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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