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• Why didn't virtual ubuntu halts clearly?

  - by Dims

  I am running Ubuntu 11.10 on Oracle Virtual Box 4.2.4 under Windows 7 x64. To stop guest system I often use halt command which works fine on physical machines. But it looks hanging on virtual ubunty. After halt it starts shutting down, Ubuntu logo appears with dots below flashing. After some cycles it just stops. VM manager does not feel machine is gone, so I need to power off it. P.S. The system stops Ok if I shutdown it via GUI.

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• Right-click acts too fast - No Fix Yet, Any Workaround?

  - by Aahan Krish

  When I click the right mouse button (anywhere, be it - desktop, browser, console, etc.), the right-click context menu pops up so quickly that the very *first* option in the menu gets clicked. This happens too often to take it easy. This issue has been brought up a couple of times on Ask Ubuntu, but with no fix whatsoever. This is a very low priority issue for the Ubuntu team, I believe? (How could they?!) Is there at least a workaround for the issue? Ubuntu is almost unusable for me as it is now. PS: I have a new mouse. So, please don't go about suggesting that I get a new one - - everything's working fine on Windows 7, so should be the case with ubuntu 11.10, which it is not.

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• Getting to math applications gradually

  - by den-javamaniac

  I'm currently getting a formal degree related to computation, in particular my current focus is numerical programming, scientific computing and machine learning. I'd love to apply that knowledge in game dev and expand it with statistics, probability theory, and graph theory (probably even linear algebra). The question is: which spheres of gamedev are filled with such math stuff, is it possible to advance in those without being a part of a group of people and how to get to it gradually? P.S.: I've got experience with commercial java dev and am getting my hands on C/C++ at the moment, however, I'm opened to go ahead and try Unity3D and etc.

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• Setting APPMENU_DISPLAY_BOTH for gnome applications does not work on Ubuntu 12.04 LTS

  - by Jack'

  To start the application with the menu enabled in the application and the panel, the following command has to be used: APPMENU_DISPLAY_BOTH=1 appname I recently discovered that this only works for non-gnome applications on Ubuntu 12.04 LTS, i.e. if you replace appname with applications such as gnome-terminal, gedit, evince, empathy, evolution, rhythmbox, nautilus, etc. only global menus will be displayed. However, if you start, for example, gimp or inkscape by using APPMENU_DISPLAY_BOTH, both global and local menus will be shown. The questions is: why is APPMENU_DISPLAY_BOTH not taken into account when starting such gnome applications? P.S. I know how to disable global menus in order to get the local ones (UBUNTU_MENUPROXY trick, removing appmenu-gtk/qt packages, removing the indicator-appmenu, etc.) Thanks for the help!

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• Why dhclient is still running when I choose static IP?

  - by user276851

  I modify dhcp to static in /etc/network/interfaces (like below). # The primary network interface auto eth0 iface eth0 inet static netmask 255.255.0.0 address 10.10.130.128 gateway 10.10.1.1 Then restart the interface. $ sudo ifdown eth0; sudo ifup eth0 ... $ ifconfig eth0 Link encap:Ethernet inet addr:10.10.130.128 Bcast:10.10.255.255 Mask:255.255.0.0 So the new address kicks in. But DHCP is still there? $ ps aux | grep dhc root ... dhclient3 -e IF_METRIC=100 -pf /var/run/dhclient.eth0.pid -lf /var/lib/dhcp/dhclient.eth0.leases -1 eth0 Is that normal? If not, how to restart interface in static IP while stop DHCP at the same time? Thanks a lot.

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• Regex to String generation

  - by Mifmif

  Let's say that we have a regex and an index i , if we suppose that the set of string that match our regex are sorted in a lexicographical order, how could we get the i element of this list ? Edit : I added this simple example for more explanation : input : regex="[a-c]{1,2}"; index=4; in this case the ordered list of string that matches this regex contains those elements : a aa ab ac b ba bb bc c ca cb cc output : the 4th element which is ac ps: it's known that the string list that match the regex have infinite element, this doesn't have an impact on the proccess of extracting the element in the given index.

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• Generating AdSense ad impression?

  - by Danny

  I owned two website. Let's say as example www.first.com and www.second.com. I have two apps in Google chrome-store whose app URL is: app1 URL = www.first.com/currency_converter.php app2 URL = www.first.com/currency_converter.php respectively. Currently if user lunch/click on first app URL then I am forwarding them to my first website homepage (www.first.com), where I have AdSense code with currency converter app. In this way I am generating Google ad impression and traffic for my first website (i.e www.first.com). So is this valid way? Does I am violating any Google AdSense rule? Please provide your reply or suggestions. P.S.: Please comment, if my question is not clear, I will try to write it in some other way.

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• Ubuntu 12.04 resolution issue ATI radeon x1600

  - by JP Hellemons

  I have a brand new Ubuntu 12.04 installation, but my resolution is set to 800*600 4:3 and my resolution using windows xp is 1440*900 but that option is unavailable for me. When I search for restricted drivers, there are none. So I searched the ati website and downloaded a .run file of about 80 mb. but that gave me an error when I tried to open it. I downloaded some fglrx thing from the repositories and now there are some widescreen options available but still no 1440*900 there is some ATI controlpanel installed, but when I try to open it, it fails telling me that there is now suitable driver. ps. my video card is a 512MB ATI Radeon Sapphire X1600 AGP

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• Unity 3D coding language, C# or JavaScript [on hold]

  - by hemantchhabra

  Hello to the gaming community. I am a budding game designer, learning to code for the first time in my life. I did learned c++ in school, 8 years back, so I sort of understand the logic when people are doing coding and I can suggest them the right route also, but to an extent I can't code. I am beginning to learn coding for Unity 3D. Which one do you suggest is more versatile and easier to work on for future, because I am a game designer not a coder, I would do coding until I don't have anyone else to code for me. It should be easy and fast to learn, functional and universal to apply, and innovative at the same time. C# or JavaScript ? Thank you for your time Ps- if you could suggest me steps to learn and tutorials to look for, that would be just awesome.

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• Google doesn't index a subdomain. What can be the problem and what can be done?

  - by fudge

  Hi! I have a domain, let's call it example.com, which has a subdomain, games.example.com. I maintain a games forum using phpbbseo which is located at games.example.com/forum. The problem is that the forum is not being crawled. I used Google's webmaster tools and tested that the page is seen by google. P.S. There is a link from games.example.com to games.example.com/forum. What can I do? How can I make google crawl my forum?

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• How to build a highload multithreaded web application in MVC3 or MVC4?

  - by IamStalker

  I need to build a highload multithreaded web application in ASP.NET MVC3 or MVC4, My question is how to design an architecture of an application? How to choose a DomainModel , use or not to use an ORM in this application? How to build a system that would be safe and if some error will happen, how to raise up a second level safety mechanism? Any examples with sources would be greatly appreciated. PS: don't kill the question if it's should be in any other SO places. Just tell me and i will place it there. Thank you very much in advance.

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• Boot windows from grub

  - by Parth Shah

  I had Windows 7 and Ubuntu on my hard disk. I had installed Ubuntu using Wubi. To uninstall Ubuntu I deleted the Ubuntu partitions from Windows 7 Disk Management. When I re-boot my computer it shows grub rescue. What do I need to do to re-gain access to Windows? I do not have a Windows 7 DVD. Commands like rootnoverify, chainloader do not work in grub rescue. I get an unknown command error. PS: I am posting this from another computer :)

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• How to script a reinstall (apt repo's and installed packages)

  - by Kurtosis

  I need to wipe my hard drive and reinstall Ubuntu. /home is on a separate partition, so I can back that up to a backup drive, then copy it back to the wiped drive, install ubuntu, and point it at the existing /home, no problem. However, I also want to script a reinstall of all my apt repo's and the packages I currently have installed, so I don't have to waste hours doing that manually. Anyone know a good way to do this? PS - At least, I'm pretty sure I have to wipe the drive. Need to install Windows 7, and only have an HP system restore disk that formats the whole drive, and not a legit Windows 7 install disk that lets me install on a single partition. If somebody know a way to trick the system restore disk to install only to a single partition, I'd love to hear it.

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• Why Google Analytics is displaying wrong landing pages?

  - by Salman

  I see all of my pages as Landing Pages in Google Analytics which cannot be true as I did not post those pages anywhere and I don't see any traffic hitting directly to that page. Also, I am using virtual page views on few buttons and I see those virtual pages as Landing pages too. For example, /click/request-a-quote 35000 views 35000 is too big a number to be ignored. Even if I ignore Virtual Pages Views, I see a lot of pages as Landing Pages that I am 100% sure that visitors ( atleast not so many users) are NOT hitting directly. Any advice, how to debug it? PS: I'm using the following code: var _gaq = _gaq || []; _gaq.push(['_setAccount', '<']); _gaq.push(['_setDomainName', 'none']); _gaq.push(['setLocalGifPath', '/images/_utm.gif']); _gaq.push(['_setAllowLinker', true]); _gaq.push(['_trackPageview','account/phase1']);

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• ubuntu booting problem with 12-04

  - by Jazzy

  i installed ubuntu through USB .. instillation was proper. but when i restarted my laptop it dint boot. so planed install it again when started selected install from USB. it booted ma previous installed ubuntu.. so after wen ubuntu boots no need of that pen drive.. so in short .. eveny time i want to start my pc i need that pendrive to boot .. so please help me out this. PS : sorry for the english

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• Control external monitor brightness

  - by remi

  Hello Ubuntu community, I can control the brightness of my DELL U2713HM connected with DisplayPort via the command: ddccontrol -p -r 0x10 -w 53 where in this example the number 53 represents the brightness level (range 0 to 100). But I don't know how to link the command to my brightness keys on my keyboard. I searched already, but just found answers to integrated laptop screens. In /sys/class/backlight is the folder acpi_video0 with some subfolders and files. The file actual_brightness contains a number from 0 to 20, which is changing when I press the brightness keys. How do I get my external monitor listed as a device in /sys/class/backlight ? PS: I am running a fresh Ubuntu 12.10 install with integrated graphics Intel HD4000.

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• How do I get a D-Link DWL-G520 working?

  - by human33

  I have Ubuntu 12.04 on an older desktop PC, and I am finding it much harder to connect to a wifi connection than it should be. I have an iPhone with which I want to tether to it with Mifi 4.0, but I need to install ipheth which I can't do without internet on that computer. I am typing from my other windows pc with which i can download and move hings with thumb drives, but haven't gotten keryx to work. I also found a D-Link DWL-G520 HIGH SPEED 2.4GHZ (802.11G) WIRELESS 108MBPS PCI ADAPTER which I installed, but can't find a driver to put on a flashdrive to use it. If anybody has any ideas, they are appreciated. I am a noob, and I don't want to have to move the comp. downstairs to plug into the modem. PS: I also have a netgear USB network adapter, which doesn't work with my Ubuntu.

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• New Exadata and Exalogic Public References

  - by Javier Puerta

  CUSTOMER SUCCESS STORIES & SPOTLIGHTS Godfrey Phillips (India) Exadata, EBS, BI, Agile Published: October 23, 2013 Cortal Sensors (Germany) Exadata Published: October 18, 2013 ASBIS (Slovakia – local language version) English version Exadata, Linux, Oracle Database Appliance, SPARC T4-1, SPARC T5-2, Oracle Solaris Published: October 17, 2013 National Instruments (US) Exadata, BI, EM12c Published: October 15, 2013 United Microelectronics Corporation (Taiwan) Exadata Published: October 14, 2013 Panasonic Information Systems (Japan - local language version] Exadata, Data Guard Published: October 8, 2013 Pinellas County (USA) Exalytics, OEM, OBIEE, Hyperion PS Planning/Budgeting, EBS, Financials Published: Oct. 8, 2013 Korea Enterprise Data (Korea) [in English] Oracle SuperCluster, Solaris 11, ZFS Storage, OEM, Database Published: October 03, 2013

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• problems with studying algorithms

  - by rookie

  hello everyone, I'm currently studying computer science at the Institute, and I have some problems with course which is named Algorithms, I've just begun to study it, but I'm already feeling, that I'm going to fail it, my problem is that while understanding different algorithms on graphs I need to keep in my mind a lot of info, and usually I can't do it, I forget some points of the exercise or can't proceed to final result, I'm very desperate about it cause I like programming very much. Did somebody feel the same while studying in the University? thanks in advance for any help P.S. I began to program only two years ago, may it be the problem?

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• wired connection not being recognised in ubuntu 10.04 lts

  - by arun

  I have windows7 installed on my C drive and ubuntu 10.04 lts on my D drive. When I plud the lan cable (ethernet cable) onto the ethernet card of my laptop, windows7 identifies the network correctly without the need for any manual settings and connects me to the network correctly. Unfortunately, in ubuntu, even after plugging in the cable, nothing happens (on the network side). It is only scanning for wireless networks it seems, and doesnt bother about the wired networks. I tried adding a new wired connection and manually entered the physical address which was displayed when i connected to the network using windows. i entered the phy address, and told it to use auto dhcp and saved the dialog bog in ubuntu network connection. Still there is no change, and ubuntu doesnt seem to recognise anything. please let me know how to work with wired connections using ubuntu, and why my wired cable is not being recognized in ubuntu. thanks. PS: I am pretty new to ubuntu/ linux :)

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• easy visualization of usage statistics (web app)

  - by sova

  I have some usage queries for my web app's database, the results of which I want to display graphically. Is there an easy-to-use api that exists for this purpose? I want to show things like average query-time per user (a small user-base), average query time per day, and things like that. I think it would be cool to show these on a two-axis graph. I am displaying this data on my site, so a jQuery/javascript/html solution for rendering information into graphs would be ideal. Thank you :) P.S. I wasn't sure if I should ask this on SO, but I am looking more for which product to use, not how to program with it.

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• ethernet doesn't work

  - by Grig Tanasescu

  I know that it may look pretty stupid, but that's it. I have a ethernet connection with my mom's computer, and is her's who's the source or anyway it is called. I'm new at linux, but i had before linux mint 13 and the ethernet didn't work 'till a friend went to network settings-options he clicked "add" somewhere and and introduced some numbers, after he looked somewhere in my mom's computer. I've tried neither linux nor ethernet until now. Please help and sorry for my english. P.S. I'm just 13 and I don't know much about computers so, please, talk to me as you would with a completely idiot. Thanks

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• How can I get the name of the current terminal from command-line?

  - by Xubu-Tur

  Is there a possibility to get the type of terminal with a command? If I'm using gnome-terminal the output should be gnome-terminal or something similar. It would be also nice to get the version of the terminal. Update ps -aux | grep `ps -p $$ -o ppid=` will output something like this: user 4239 0.0 0.7 292708 15744 pts/8 Sl 11:39 0:02 xfce4-terminal user 4800 0.0 0.0 6176 820 pts/0 S+ 12:23 0:00 grep --color=auto 4239 This will also work with xterm, but i don't know how to get only the name (xfce4-terminal in this case).

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• Google Chrome and Theora

  - by Michas

  I have problem with Google Chrome and Theora video. I have video that plays nice in Opera and Firefox. However, it doesn't play in Google browser and I don't know why. I've made this video in ogg2theora. Test sample: http://wwsi.edu.pl/video/enigma.html Does anyone know how should I encode to Theora that Google Chrome works? P.S. I am not interested in encoding in WebM or h.264, this time. I am not asking what is the best way to publish video on a website. I only do experiments with Ogg Theora. The test site has fallback for h.264 in video tag and WMV in WMP plugin.

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• Software consultancy or in-house developement?

  - by JefClaes

  What are the benefits and drawbacks of working as an in-house developer versus working as a consultant and vice versa? I am pretty sure both breeds can be found on these forums and I hope you are willing to share your experience. Edit: Let me clarify the question. I wonder how the experience is like being a developer. For example: Being an in-house developer, you are able to learn from your mistakes. Being a consultant is often more challenging, because there is more variety in the problems you have to solve. PS: Although I realise that this is a subjective question, I don't necessarily see it as one of those bad-subjective questions.

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